reduce GC pressure by replacing File(In|Out)putStream

WHATSNEW

@@ -25,6 +25,9 @@ Other changes:
  * added "regexp" attribute to <linecontainsregexp>
    Bugzilla Report 60968
 
+ * reduced GC pressure by replacing all usage of FileInputStream and
+   FileOutputStream.
+
 Changes from Ant 1.10.0 TO Ant 1.10.1
 =====================================
 

src/main/org/apache/tools/ant/AntClassLoader.java

@@ -20,12 +20,12 @@ package org.apache.tools.ant;
 import java.io.ByteArrayOutputStream;
 import java.io.Closeable;
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.lang.reflect.Constructor;
 import java.net.MalformedURLException;
 import java.net.URL;
+import java.nio.file.Files;
 import java.security.CodeSource;
 import java.security.ProtectionDomain;
 import java.security.cert.Certificate;
@@ -787,7 +787,7 @@ public class AntClassLoader extends ClassLoader implements SubBuildListener, Clo
             if (jarFile == null && file.isDirectory()) {
                 final File resource = new File(file, resourceName);
                 if (resource.exists()) {
-                    return new FileInputStream(resource);
+                    return Files.newInputStream(resource.toPath());
                 }
             } else {
                 if (jarFile == null) {
@@ -1579,7 +1579,7 @@ public class AntClassLoader extends ClassLoader implements SubBuildListener, Clo
     }
 
     private static boolean readFully(final File f, final byte[] b) throws IOException {
-        try (FileInputStream fis = new FileInputStream(f)) {
+        try (InputStream fis = Files.newInputStream(f.toPath())) {
             final int len = b.length;
             int count = 0, x = 0;
             while (count != len) {

src/main/org/apache/tools/ant/Diagnostics.java

@@ -18,15 +18,15 @@
 package org.apache.tools.ant;
 
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
 import java.io.FilenameFilter;
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.OutputStream;
 import java.io.PrintStream;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.net.URL;
+import java.nio.file.Files;
 import java.util.Calendar;
 import java.util.Enumeration;
 import java.util.Properties;
@@ -576,12 +576,12 @@ public final class Diagnostics {
         //create the file
         long now = System.currentTimeMillis();
         File tempFile = null;
-        FileOutputStream fileout = null;
-        FileInputStream filein = null;
+        OutputStream fileout = null;
+        InputStream filein = null;
         try {
             tempFile = File.createTempFile("diag", "txt", tempDirectory);
             //do some writing to it
-            fileout = new FileOutputStream(tempFile);
+            fileout = Files.newOutputStream(tempFile.toPath());
             byte[] buffer = new byte[KILOBYTE];
             for (int i = 0; i < TEST_FILE_SIZE; i++) {
                 fileout.write(buffer);
@@ -591,7 +591,7 @@ public final class Diagnostics {
 
             // read to make sure the file has been written completely
             Thread.sleep(1000);
-            filein = new FileInputStream(tempFile);
+            filein = Files.newInputStream(tempFile.toPath());
             int total = 0;
             int read = 0;
             while ((read = filein.read(buffer, 0, KILOBYTE)) > 0) {

src/main/org/apache/tools/ant/Main.java

@@ -19,11 +19,11 @@
 package org.apache.tools.ant;
 
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.PrintStream;
+import java.nio.file.Files;
+import java.nio.file.Paths;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
@@ -355,10 +355,10 @@ public class Main implements AntMain {
                 try {
                     final File logFile = new File(args[i + 1]);
                     i++;
-                    // life-cycle of FileOutputStream is controlled by
+                    // life-cycle of OutputStream is controlled by
                     // logTo which becomes "out" and is closed in
                     // handleLogfile
-                    logTo = new PrintStream(new FileOutputStream(logFile)); //NOSONAR
+                    logTo = new PrintStream(Files.newOutputStream(logFile.toPath())); //NOSONAR
                     isLogFileUsed = true;
                 } catch (final IOException ioe) {
                     final String msg = "Cannot write on the specified log file. "
@@ -656,9 +656,9 @@ public class Main implements AntMain {
     private void loadPropertyFiles() {
         for (final String filename : propertyFiles) {
             final Properties props = new Properties();
-            FileInputStream fis = null;
+            InputStream fis = null;
             try {
-                fis = new FileInputStream(filename);
+                fis = Files.newInputStream(Paths.get(filename));
                 props.load(fis);
             } catch (final IOException e) {
                 System.out.println("Could not load property file "

src/main/org/apache/tools/ant/XmlLogger.java

@@ -17,12 +17,13 @@
  */
 package org.apache.tools.ant;
 
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.io.OutputStreamWriter;
 import java.io.PrintStream;
 import java.io.Writer;
+import java.nio.file.Files;
+import java.nio.file.Paths;
 import java.util.Enumeration;
 import java.util.Hashtable;
 import java.util.Stack;
@@ -185,7 +186,7 @@ public class XmlLogger implements BuildLogger {
             // up everything
             OutputStream stream = outStream;
             if (stream == null) {
-                stream = new FileOutputStream(outFilename);
+                stream = Files.newOutputStream(Paths.get(outFilename));
             }
             out = new OutputStreamWriter(stream, "UTF8");
             out.write("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");

src/main/org/apache/tools/ant/helper/ProjectHelper2.java

@@ -18,13 +18,13 @@
 package org.apache.tools.ant.helper;
 
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.UnsupportedEncodingException;
 import java.net.URL;
 import java.net.URLConnection;
+import java.nio.file.Files;
 import java.util.HashMap;
 import java.util.Hashtable;
 import java.util.Map;
@@ -247,7 +247,7 @@ public class ProjectHelper2 extends ProjectHelper {
             String uri = null;
             if (buildFile != null) {
                 uri = FILE_UTILS.toURI(buildFile.getAbsolutePath());
-                inputStream = new FileInputStream(buildFile);
+                inputStream = Files.newInputStream(buildFile.toPath());
             } else {
                 uri = url.toString();
                 int pling = -1;
@@ -538,10 +538,10 @@ public class ProjectHelper2 extends ProjectHelper {
                 }
                 context.getProject().log("file=" + file, Project.MSG_DEBUG);
                 try {
-                    InputSource inputSource = new InputSource(new FileInputStream(file));
+                    InputSource inputSource = new InputSource(Files.newInputStream(file.toPath()));
                     inputSource.setSystemId(FILE_UTILS.toURI(file.getAbsolutePath()));
                     return inputSource;
-                } catch (FileNotFoundException fne) {
+                } catch (IOException fne) {
                     context.getProject().log(file.getAbsolutePath() + " could not be found",
                                              Project.MSG_WARN);
                 }

src/main/org/apache/tools/ant/helper/ProjectHelperImpl.java

@@ -18,10 +18,11 @@
 package org.apache.tools.ant.helper;
 
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.IOException;
+import java.io.InputStream;
 import java.io.UnsupportedEncodingException;
+import java.nio.file.Files;
 import java.util.Locale;
 
 import org.apache.tools.ant.BuildException;
@@ -110,7 +111,7 @@ public class ProjectHelperImpl extends ProjectHelper {
                 + "default plugin");
         }
         File bFile = (File) source;
-        FileInputStream inputStream = null;
+        InputStream inputStream = null;
         InputSource inputSource = null;
 
         this.project = project;
@@ -124,7 +125,7 @@ public class ProjectHelperImpl extends ProjectHelper {
                 parser = new XMLReaderAdapter(JAXPUtils.getXMLReader());
             }
             String uri = FILE_UTILS.toURI(bFile.getAbsolutePath());
-            inputStream = new FileInputStream(bFile);
+            inputStream = Files.newInputStream(bFile.toPath());
             inputSource = new InputSource(inputStream);
             inputSource.setSystemId(uri);
             project.log("parsing buildfile " + bFile + " with URI = " + uri, Project.MSG_VERBOSE);
@@ -302,10 +303,10 @@ public class ProjectHelperImpl extends ProjectHelper {
                             + "' for compliance with other XML tools", Project.MSG_WARN);
                 }
                 try {
-                    InputSource inputSource = new InputSource(new FileInputStream(file));
+                    InputSource inputSource = new InputSource(Files.newInputStream(file.toPath()));
                     inputSource.setSystemId(FILE_UTILS.toURI(file.getAbsolutePath()));
                     return inputSource;
-                } catch (FileNotFoundException fne) {
+                } catch (IOException fne) {
                     helperImpl.project.log(file.getAbsolutePath() + " could not be found",
                             Project.MSG_WARN);
                 }

src/main/org/apache/tools/ant/input/PropertyFileInputHandler.java

@@ -18,8 +18,9 @@
 
 package org.apache.tools.ant.input;
 
-import java.io.FileInputStream;
 import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Paths;
 import java.util.Properties;
 
 import org.apache.tools.ant.BuildException;
@@ -82,7 +83,7 @@ public class PropertyFileInputHandler implements InputHandler {
             props = new Properties();
 
             try {
-                props.load(new FileInputStream(propsFile));
+                props.load(Files.newInputStream(Paths.get(propsFile)));
             } catch (IOException e) {
                 throw new BuildException("Couldn't load " + propsFile, e);
             }

src/main/org/apache/tools/ant/listener/AnsiColorLogger.java

@@ -17,10 +17,11 @@
  */
 package org.apache.tools.ant.listener;
 
-import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.PrintStream;
+import java.nio.file.Files;
+import java.nio.file.Paths;
 import java.util.Properties;
 
 import org.apache.tools.ant.DefaultLogger;
@@ -162,7 +163,7 @@ public class AnsiColorLogger extends DefaultLogger {
             Properties prop = new Properties();
 
             if (userColorFile != null) {
-                in = new FileInputStream(userColorFile);
+                in = Files.newInputStream(Paths.get(userColorFile));
             } else {
                 in = getClass().getResourceAsStream(systemColorFile);
             }

src/main/org/apache/tools/ant/listener/MailLogger.java

@@ -18,10 +18,11 @@
 package org.apache.tools.ant.listener;
 
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.PrintStream;
+import java.nio.file.Files;
+import java.nio.file.Paths;
 import java.util.Enumeration;
 import java.util.Hashtable;
 import java.util.Properties;
@@ -119,7 +120,7 @@ public class MailLogger extends DefaultLogger {
         if (filename != null) {
             InputStream is = null;
             try {
-                is = new FileInputStream(filename);
+                is = Files.newInputStream(Paths.get(filename));
                 fileProperties.load(is);
             } catch (IOException ioe) {
                 // ignore because properties file is not required

src/main/org/apache/tools/ant/taskdefs/AbstractCvsTask.java

@@ -20,10 +20,10 @@ package org.apache.tools.ant.taskdefs;
 
 import java.io.BufferedOutputStream;
 import java.io.File;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.io.PrintStream;
+import java.nio.file.Paths;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Vector;
@@ -201,8 +201,7 @@ public abstract class AbstractCvsTask extends Task {
                 try {
                     setOutputStream(new PrintStream(
                                         new BufferedOutputStream(
-                                            new FileOutputStream(output
-                                                                 .getPath(),
+                                            FileUtils.newOutputStream(Paths.get(output.getPath()),
                                                                  append))));
                 } catch (IOException e) {
                     throw new BuildException(e, getLocation());
@@ -241,7 +240,7 @@ public abstract class AbstractCvsTask extends Task {
                 try {
                     setErrorStream(new PrintStream(
                                        new BufferedOutputStream(
-                                           new FileOutputStream(error.getPath(),
+                                           FileUtils.newOutputStream(Paths.get(error.getPath()),
                                                                 append))));
                 } catch (IOException e) {
                     throw new BuildException(e, getLocation());

src/main/org/apache/tools/ant/taskdefs/Ant.java

@@ -19,10 +19,10 @@
 package org.apache.tools.ant.taskdefs;
 
 import java.io.File;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.PrintStream;
 import java.lang.reflect.Method;
+import java.nio.file.Files;
 import java.util.Enumeration;
 import java.util.HashSet;
 import java.util.Hashtable;
@@ -206,7 +206,7 @@ public class Ant extends Task {
                 outfile = getProject().resolveFile(output);
             }
             try {
-                out = new PrintStream(new FileOutputStream(outfile));
+                out = new PrintStream(Files.newOutputStream(outfile.toPath()));
                 DefaultLogger logger = new DefaultLogger();
                 logger.setMessageOutputLevel(Project.MSG_INFO);
                 logger.setOutputPrintStream(out);

src/main/org/apache/tools/ant/taskdefs/AntStructure.java

@@ -19,12 +19,13 @@
 package org.apache.tools.ant.taskdefs;
 
 import java.io.File;
-import java.io.FileOutputStream;
 import java.io.FileWriter;
 import java.io.IOException;
+import java.io.OutputStream;
 import java.io.OutputStreamWriter;
 import java.io.PrintWriter;
 import java.io.UnsupportedEncodingException;
+import java.nio.file.Files;
 import java.util.Enumeration;
 import java.util.Hashtable;
 import java.util.Vector;
@@ -85,9 +86,9 @@ public class AntStructure extends Task {
 
         PrintWriter out = null;
         try {
-            FileOutputStream fos = null;
+            OutputStream fos = null;
             try {
-                fos = new FileOutputStream(output);
+                fos = Files.newOutputStream(output.toPath());
                 out = new PrintWriter(new OutputStreamWriter(fos, "UTF8"));
             } catch (final UnsupportedEncodingException ue) {
                 FileUtils.close(fos);

src/main/org/apache/tools/ant/taskdefs/BUnzip2.java

@@ -20,9 +20,10 @@ package org.apache.tools.ant.taskdefs;
 
 
 import java.io.BufferedInputStream;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.OutputStream;
+import java.nio.file.Files;
 
 import org.apache.tools.ant.BuildException;
 import org.apache.tools.ant.util.FileUtils;
@@ -60,12 +61,12 @@ public class BUnzip2 extends Unpack {
             log("Expanding " + srcResource.getName() + " to "
                 + dest.getAbsolutePath());
 
-            FileOutputStream out = null;
+            OutputStream out = null;
             CBZip2InputStream zIn = null;
             InputStream fis = null;
             BufferedInputStream bis = null;
             try {
-                out = new FileOutputStream(dest);
+                out = Files.newOutputStream(dest.toPath());
                 fis = srcResource.getInputStream();
                 bis = new BufferedInputStream(fis);
                 int b = bis.read();

src/main/org/apache/tools/ant/taskdefs/BZip2.java

@@ -20,8 +20,9 @@ package org.apache.tools.ant.taskdefs;
 
 
 import java.io.BufferedOutputStream;
-import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.OutputStream;
+import java.nio.file.Files;
 
 import org.apache.tools.ant.BuildException;
 import org.apache.tools.ant.util.FileUtils;
@@ -44,7 +45,7 @@ public class BZip2 extends Pack {
         CBZip2OutputStream zOut = null;
         try {
             BufferedOutputStream bos =
-                new BufferedOutputStream(new FileOutputStream(zipFile));
+                new BufferedOutputStream(Files.newOutputStream(zipFile.toPath()));
             bos.write('B');
             bos.write('Z');
             zOut = new CBZip2OutputStream(bos);

src/main/org/apache/tools/ant/taskdefs/BuildNumber.java

@@ -18,9 +18,10 @@
 package org.apache.tools.ant.taskdefs;
 
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.nio.file.Files;
 import java.util.Properties;
 
 import org.apache.tools.ant.BuildException;
@@ -84,10 +85,10 @@ public class BuildNumber
             String.valueOf(buildNumber + 1));
 
         // Write the properties file back out
-        FileOutputStream output = null;
+        OutputStream output = null;
 
         try {
-            output = new FileOutputStream(myFile);
+            output = Files.newOutputStream(myFile.toPath());
 
             final String header = "Build Number for ANT. Do not edit!";
 
@@ -144,12 +145,12 @@ public class BuildNumber
      */
     private Properties loadProperties()
          throws BuildException {
-        FileInputStream input = null;
+        InputStream input = null;
 
         try {
             final Properties properties = new Properties();
 
-            input = new FileInputStream(myFile);
+            input = Files.newInputStream(myFile.toPath());
             properties.load(input);
             return properties;
         } catch (final IOException ioe) {

src/main/org/apache/tools/ant/taskdefs/Checksum.java

@@ -19,10 +19,11 @@ package org.apache.tools.ant.taskdefs;
 
 import java.io.BufferedReader;
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
 import java.io.FileReader;
 import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.nio.file.Files;
 import java.security.DigestInputStream;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
@@ -471,8 +472,8 @@ public class Checksum extends MatchingTask implements Condition {
      */
     private boolean generateChecksums() throws BuildException {
         boolean checksumMatches = true;
-        FileInputStream fis = null;
-        FileOutputStream fos = null;
+        InputStream fis = null;
+        OutputStream fos = null;
         byte[] buf = new byte[readBufferSize];
         try {
             for (Map.Entry<File, Object> e : includeFileMap.entrySet()) {
@@ -481,7 +482,7 @@ public class Checksum extends MatchingTask implements Condition {
                 if (!isCondition) {
                     log("Calculating " + algorithm + " checksum for " + src, Project.MSG_VERBOSE);
                 }
-                fis = new FileInputStream(src);
+                fis = Files.newInputStream(src.toPath());
                 DigestInputStream dis = new DigestInputStream(fis,
                                                               messageDigest);
                 while (dis.read(buf, 0, readBufferSize) != -1) {
@@ -523,7 +524,7 @@ public class Checksum extends MatchingTask implements Condition {
                         }
                     } else {
                         File dest = (File) destination;
-                        fos = new FileOutputStream(dest);
+                        fos = Files.newOutputStream(dest.toPath());
                         fos.write(format.format(new Object[] {
                                                     checksum,
                                                     src.getName(),

src/main/org/apache/tools/ant/taskdefs/Concat.java

@@ -19,7 +19,6 @@ package org.apache.tools.ant.taskdefs;
 
 import java.io.BufferedReader;
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.FileReader;
 import java.io.IOException;
 import java.io.InputStream;
@@ -27,6 +26,7 @@ import java.io.InputStreamReader;
 import java.io.Reader;
 import java.io.StringReader;
 import java.io.Writer;
+import java.nio.file.Files;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.Iterator;
@@ -139,7 +139,7 @@ public class Concat extends Task implements ResourceCollection {
                     reader = new BufferedReader(new FileReader(file));
                 } else {
                     reader = new BufferedReader(
-                        new InputStreamReader(new FileInputStream(file),
+                        new InputStreamReader(Files.newInputStream(file.toPath()),
                                               this.encoding));
                 }
                 value = FileUtils.safeReadFully(reader);

src/main/org/apache/tools/ant/taskdefs/EchoXML.java

@@ -18,7 +18,6 @@
 package org.apache.tools.ant.taskdefs;
 
 import java.io.File;
-import java.io.FileOutputStream;
 import java.io.OutputStream;
 
 import org.apache.tools.ant.BuildException;
@@ -83,7 +82,7 @@ public class EchoXML extends XMLFragment {
         OutputStream os = null;
         try {
             if (file != null) {
-                os = new FileOutputStream(file.getAbsolutePath(), append);
+                os = FileUtils.newOutputStream(file.toPath(), append);
             } else {
                 os = new LogOutputStream(this, Project.MSG_INFO);
             }

src/main/org/apache/tools/ant/taskdefs/Expand.java

@@ -20,9 +20,10 @@ package org.apache.tools.ant.taskdefs;
 
 import java.io.File;
 import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.OutputStream;
+import java.nio.file.Files;
 import java.util.Date;
 import java.util.Enumeration;
 import java.util.HashSet;
@@ -350,9 +351,9 @@ public class Expand extends Task {
             } else {
                 byte[] buffer = new byte[BUFFER_SIZE];
                 int length = 0;
-                FileOutputStream fos = null;
+                OutputStream fos = null;
                 try {
-                    fos = new FileOutputStream(f);
+                    fos = Files.newOutputStream(f.toPath());
 
                     while ((length =
                             compressedInputStream.read(buffer)) >= 0) {

src/main/org/apache/tools/ant/taskdefs/FixCRLF.java

@@ -20,11 +20,11 @@ package org.apache.tools.ant.taskdefs;
 
 import java.io.BufferedReader;
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.FileReader;
 import java.io.IOException;
 import java.io.InputStreamReader;
 import java.io.Reader;
+import java.nio.file.Files;
 import java.util.Enumeration;
 import java.util.NoSuchElementException;
 import java.util.Vector;
@@ -421,7 +421,7 @@ public class FixCRLF extends MatchingTask implements ChainableReader {
                 reader = new BufferedReader(
                     ((encoding == null) ? new FileReader(srcFile)
                     : new InputStreamReader(
-                    new FileInputStream(srcFile), encoding)), INBUFLEN);
+                    Files.newInputStream(srcFile.toPath()), encoding)), INBUFLEN);
 
                 nextLine();
             } catch (IOException e) {

src/main/org/apache/tools/ant/taskdefs/GUnzip.java

@@ -18,9 +18,10 @@
 
 package org.apache.tools.ant.taskdefs;
 
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.OutputStream;
+import java.nio.file.Files;
 import java.util.zip.GZIPInputStream;
 
 import org.apache.tools.ant.BuildException;
@@ -56,11 +57,11 @@ public class GUnzip extends Unpack {
             log("Expanding " + srcResource.getName() + " to "
                         + dest.getAbsolutePath());
 
-            FileOutputStream out = null;
+            OutputStream out = null;
             GZIPInputStream zIn = null;
             InputStream fis = null;
             try {
-                out = new FileOutputStream(dest);
+                out = Files.newOutputStream(dest.toPath());
                 fis = srcResource.getInputStream();
                 zIn = new GZIPInputStream(fis);
                 byte[] buffer = new byte[BUFFER_SIZE];

src/main/org/apache/tools/ant/taskdefs/GZip.java

@@ -18,8 +18,9 @@
 
 package org.apache.tools.ant.taskdefs;
 
-import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.OutputStream;
+import java.nio.file.Files;
 import java.util.zip.GZIPOutputStream;
 
 import org.apache.tools.ant.BuildException;
@@ -41,7 +42,7 @@ public class GZip extends Pack {
     protected void pack() {
         GZIPOutputStream zOut = null;
         try {
-            zOut = new GZIPOutputStream(new FileOutputStream(zipFile));
+            zOut = new GZIPOutputStream(Files.newOutputStream(zipFile.toPath()));
             zipResource(getSrcResource(), zOut);
         } catch (IOException ioe) {
             String msg = "Problem creating gzip " + ioe.getMessage();

src/main/org/apache/tools/ant/taskdefs/Get.java

@@ -20,7 +20,6 @@ package org.apache.tools.ant.taskdefs;
 
 import java.io.File;
 import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
@@ -28,6 +27,7 @@ import java.io.PrintStream;
 import java.net.HttpURLConnection;
 import java.net.URL;
 import java.net.URLConnection;
+import java.nio.file.Files;
 import java.util.Date;
 import java.util.zip.GZIPInputStream;
 
@@ -852,7 +852,7 @@ public class Get extends Task {
                 is = new GZIPInputStream(is);
             }
 
-            os = new FileOutputStream(dest);
+            os = Files.newOutputStream(dest.toPath());
             progress.beginDownload();
             boolean finished = false;
             try {

src/main/org/apache/tools/ant/taskdefs/Jar.java

@@ -21,7 +21,6 @@ package org.apache.tools.ant.taskdefs;
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
@@ -29,6 +28,7 @@ import java.io.OutputStreamWriter;
 import java.io.PrintWriter;
 import java.io.Reader;
 import java.io.UnsupportedEncodingException;
+import java.nio.file.Files;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;
@@ -303,10 +303,10 @@ public class Jar extends Zip {
     private Manifest getManifest(File manifestFile) {
 
         Manifest newManifest = null;
-        FileInputStream fis = null;
+        InputStream fis = null;
         InputStreamReader isr = null;
         try {
-            fis = new FileInputStream(manifestFile);
+            fis = Files.newInputStream(manifestFile.toPath());
             if (manifestEncoding == null) {
                 isr = new InputStreamReader(fis);
             } else {

src/main/org/apache/tools/ant/taskdefs/Javac.java

@@ -20,9 +20,9 @@ package org.apache.tools.ant.taskdefs;
 
 import java.io.File;
 import java.io.FileFilter;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
+import java.nio.file.Files;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashMap;
@@ -1471,7 +1471,7 @@ public class Javac extends MatchingTask {
                 continue;
             }
             log("Creating empty " + pkgInfoClass);
-            try (OutputStream os = new FileOutputStream(pkgInfoClass)) {
+            try (OutputStream os = Files.newOutputStream(pkgInfoClass.toPath())) {
                 os.write(PACKAGE_INFO_CLASS_HEADER);
                 final byte[] name = pkg.getBytes("UTF-8");
                 final int length = name.length + /* "/package-info" */ 13;

src/main/org/apache/tools/ant/taskdefs/Javadoc.java

@@ -20,18 +20,18 @@ package org.apache.tools.ant.taskdefs;
 import java.io.BufferedReader;
 import java.io.BufferedWriter;
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
 import java.io.FileReader;
 import java.io.FileWriter;
 import java.io.FilenameFilter;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
+import java.io.OutputStream;
 import java.io.OutputStreamWriter;
 import java.net.MalformedURLException;
 import java.net.URL;
+import java.nio.file.Files;
 import java.util.ArrayList;
 import java.util.Enumeration;
 import java.util.HashSet;
@@ -2516,7 +2516,7 @@ public class Javadoc extends Task {
             : FILE_UTILS.getDefaultEncoding();
         // we load the whole file as one String (toc/index files are
         // generally small, because they only contain frameset declaration):
-        final InputStream fin = new FileInputStream(file);
+        final InputStream fin = Files.newInputStream(file.toPath());
         String fileContents;
         try {
             fileContents =
@@ -2532,7 +2532,7 @@ public class Javadoc extends Task {
             // we need to patch the file!
             final String patchedFileContents = patchContent(fileContents, fixData);
             if (!patchedFileContents.equals(fileContents)) {
-                final FileOutputStream fos = new FileOutputStream(file);
+                final OutputStream fos = Files.newOutputStream(file.toPath());
                 try {
                     final OutputStreamWriter w = new OutputStreamWriter(fos, enc);
                     w.write(patchedFileContents);

src/main/org/apache/tools/ant/taskdefs/ManifestTask.java

@@ -19,12 +19,13 @@
 package org.apache.tools.ant.taskdefs;
 
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.InputStream;
 import java.io.InputStreamReader;
+import java.io.OutputStream;
 import java.io.OutputStreamWriter;
 import java.io.PrintWriter;
+import java.nio.file.Files;
 import java.util.Enumeration;
 
 import org.apache.tools.ant.BuildException;
@@ -227,10 +228,10 @@ public class ManifestTask extends Task {
         BuildException error = null;
 
         if (manifestFile.exists()) {
-            FileInputStream fis = null;
+            InputStream fis = null;
             InputStreamReader isr = null;
             try {
-                fis = new FileInputStream(manifestFile);
+                fis = Files.newInputStream(manifestFile.toPath());
                 if (encoding == null) {
                     isr = new InputStreamReader(fis, "UTF-8");
                 } else {
@@ -276,7 +277,7 @@ public class ManifestTask extends Task {
 
         PrintWriter w = null;
         try {
-            FileOutputStream fos = new FileOutputStream(manifestFile);
+            OutputStream fos = Files.newOutputStream(manifestFile.toPath());
             OutputStreamWriter osw = new OutputStreamWriter(fos, Manifest.JAR_ENCODING);
             w = new PrintWriter(osw);
             toWrite.write(w, flattenClassPaths);

src/main/org/apache/tools/ant/taskdefs/Property.java

@@ -18,10 +18,10 @@
 package org.apache.tools.ant.taskdefs;
 
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.URL;
+import java.nio.file.Files;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.Map;
@@ -575,9 +575,9 @@ public class Property extends Task {
         log("Loading " + file.getAbsolutePath(), Project.MSG_VERBOSE);
         try {
             if (file.exists()) {
-                FileInputStream  fis = null;
+                InputStream  fis = null;
                 try {
-                    fis = new FileInputStream(file);
+                    fis = Files.newInputStream(file.toPath());
                     loadProperties(props, fis, file.getName().endsWith(".xml"));
                 } finally {
                     FileUtils.close(fis);

src/main/org/apache/tools/ant/taskdefs/RecorderEntry.java

@@ -17,9 +17,9 @@
  */
 package org.apache.tools.ant.taskdefs;
 
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.PrintStream;
+import java.nio.file.Paths;
 
 import org.apache.tools.ant.BuildEvent;
 import org.apache.tools.ant.BuildException;
@@ -27,6 +27,7 @@ import org.apache.tools.ant.BuildLogger;
 import org.apache.tools.ant.DefaultLogger;
 import org.apache.tools.ant.Project;
 import org.apache.tools.ant.SubBuildListener;
+import org.apache.tools.ant.util.FileUtils;
 import org.apache.tools.ant.util.StringUtils;
 
 /**
@@ -356,7 +357,7 @@ public class RecorderEntry implements BuildLogger, SubBuildListener {
     private void openFileImpl(boolean append) throws BuildException {
         if (out == null) {
             try {
-                out = new PrintStream(new FileOutputStream(filename, append));
+                out = new PrintStream(FileUtils.newOutputStream(Paths.get(filename), append));
             } catch (IOException ioe) {
                 throw new BuildException("Problems opening file using a "
                                          + "recorder entry", ioe);

src/main/org/apache/tools/ant/taskdefs/Replace.java

@@ -21,8 +21,6 @@ package org.apache.tools.ant.taskdefs;
 import java.io.BufferedReader;
 import java.io.BufferedWriter;
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
@@ -30,6 +28,7 @@ import java.io.OutputStream;
 import java.io.OutputStreamWriter;
 import java.io.Reader;
 import java.io.Writer;
+import java.nio.file.Files;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;
@@ -369,7 +368,7 @@ public class Replace extends MatchingTask {
         FileInput(File source) throws IOException {
             outputBuffer = new StringBuffer();
             buffer = new char[BUFF_SIZE];
-            is = new FileInputStream(source);
+            is = Files.newInputStream(source.toPath());
             try {
                 reader = new BufferedReader(encoding != null ? new InputStreamReader(is, encoding) : new InputStreamReader(is));
             } finally {
@@ -429,7 +428,7 @@ public class Replace extends MatchingTask {
          * @throws IOException When the file cannot be read from.
          */
         FileOutput(File out) throws IOException {
-            os = new FileOutputStream(out);
+            os = Files.newOutputStream(out.toPath());
             try {
                 writer = new BufferedWriter(encoding != null ? new OutputStreamWriter(os, encoding) : new OutputStreamWriter(os));
             } finally {

src/main/org/apache/tools/ant/taskdefs/SQLExec.java

@@ -20,7 +20,6 @@ package org.apache.tools.ant.taskdefs;
 import java.io.BufferedOutputStream;
 import java.io.BufferedReader;
 import java.io.File;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
@@ -651,7 +650,7 @@ public class SQLExec extends JDBCTask {
                         FileProvider fp =
                             output.as(FileProvider.class);
                         if (fp != null) {
-                            os = new FileOutputStream(fp.getFile(), append);
+                            os = FileUtils.newOutputStream(fp.getFile().toPath(), append);
                         } else {
                             if (append) {
                                 Appendable a =

src/main/org/apache/tools/ant/taskdefs/Tar.java

@@ -20,12 +20,12 @@ package org.apache.tools.ant.taskdefs;
 
 import java.io.BufferedOutputStream;
 import java.io.File;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.lang.reflect.Constructor;
 import java.lang.reflect.InvocationTargetException;
+import java.nio.file.Files;
 import java.util.Collection;
 import java.util.HashMap;
 import java.util.HashSet;
@@ -327,7 +327,7 @@ public class Tar extends MatchingTask {
                 tOut = new TarOutputStream(
                     compression.compress(
                         new BufferedOutputStream(
-                            new FileOutputStream(tarFile))),
+                            Files.newOutputStream(tarFile.toPath()))),
                     encoding);
                 tOut.setDebug(true);
                 if (longFileMode.isTruncateMode()) {

src/main/org/apache/tools/ant/taskdefs/Untar.java

@@ -20,11 +20,11 @@ package org.apache.tools.ant.taskdefs;
 
 import java.io.BufferedInputStream;
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.lang.reflect.Constructor;
 import java.lang.reflect.InvocationTargetException;
+import java.nio.file.Files;
 import java.util.zip.GZIPInputStream;
 
 import org.apache.tools.ant.BuildException;
@@ -97,7 +97,7 @@ public class Untar extends Expand {
      */
     /** {@inheritDoc} */
     protected void expandFile(FileUtils fileUtils, File srcF, File dir) {
-        FileInputStream fis = null;
+        InputStream fis = null;
         if (!srcF.exists()) {
             throw new BuildException("Unable to untar "
                     + srcF
@@ -105,7 +105,7 @@ public class Untar extends Expand {
                     getLocation());
         }
         try {
-            fis = new FileInputStream(srcF);
+            fis = Files.newInputStream(srcF.toPath());
             expandStream(srcF.getPath(), fis, dir);
         } catch (IOException ioe) {
             throw new BuildException("Error while expanding " + srcF.getPath()

src/main/org/apache/tools/ant/taskdefs/Zip.java

@@ -20,11 +20,10 @@ package org.apache.tools.ant.taskdefs;
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
+import java.nio.file.Files;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
@@ -1177,7 +1176,7 @@ public class Zip extends MatchingTask {
         }
         OutputStream os = null;
         try {
-            os = new FileOutputStream(zipFile);
+            os = Files.newOutputStream(zipFile.toPath());
             // CheckStyle:MagicNumber OFF
             // Cf. PKZIP specification.
             final byte[] empty = new byte[22];
@@ -1915,7 +1914,7 @@ public class Zip extends MatchingTask {
                                      getLocation());
         }
 
-        try (FileInputStream fIn = new FileInputStream(file)) {
+        try (InputStream fIn = Files.newInputStream(file.toPath())) {
             // ZIPs store time with a granularity of 2 seconds, round up
             zipFile(fIn, zOut, vPath,
                     file.lastModified() + (roundUp ? ROUNDUP_MILLIS : 0),

src/main/org/apache/tools/ant/taskdefs/cvslib/ChangeLogTask.java

@@ -18,12 +18,12 @@
 package org.apache.tools.ant.taskdefs.cvslib;
 
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.OutputStream;
 import java.io.OutputStreamWriter;
 import java.io.PrintWriter;
 import java.io.UnsupportedEncodingException;
+import java.nio.file.Files;
 import java.text.SimpleDateFormat;
 import java.util.Date;
 import java.util.Enumeration;
@@ -386,7 +386,7 @@ public class ChangeLogTask extends AbstractCvsTask {
          throws BuildException {
         if (null != usersFile) {
             try {
-                userList.load(new FileInputStream(usersFile));
+                userList.load(Files.newInputStream(usersFile.toPath()));
             } catch (final IOException ioe) {
                 throw new BuildException(ioe.toString(), ioe);
             }
@@ -462,10 +462,10 @@ public class ChangeLogTask extends AbstractCvsTask {
      */
     private void writeChangeLog(final CVSEntry[] entrySet)
          throws BuildException {
-        FileOutputStream output = null;
+        OutputStream output = null;
 
         try {
-            output = new FileOutputStream(destFile);
+            output = Files.newOutputStream(destFile.toPath());
 
             final PrintWriter writer =
                 new PrintWriter(new OutputStreamWriter(output, "UTF-8"));

src/main/org/apache/tools/ant/taskdefs/cvslib/CvsTagDiff.java

@@ -19,12 +19,13 @@ package org.apache.tools.ant.taskdefs.cvslib;
 
 import java.io.BufferedReader;
 import java.io.File;
-import java.io.FileOutputStream;
 import java.io.FileReader;
 import java.io.IOException;
+import java.io.OutputStream;
 import java.io.OutputStreamWriter;
 import java.io.PrintWriter;
 import java.io.UnsupportedEncodingException;
+import java.nio.file.Files;
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
@@ -417,9 +418,9 @@ public class CvsTagDiff extends AbstractCvsTask {
      * @exception BuildException if an error occurs
      */
     private void writeTagDiff(CvsTagEntry[] entries) throws BuildException {
-        FileOutputStream output = null;
+        OutputStream output = null;
         try {
-            output = new FileOutputStream(mydestfile);
+            output = Files.newOutputStream(mydestfile.toPath());
             PrintWriter writer = new PrintWriter(
                                      new OutputStreamWriter(output, "UTF-8"));
             writer.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");

src/main/org/apache/tools/ant/taskdefs/email/Message.java

@@ -20,13 +20,14 @@ package org.apache.tools.ant.taskdefs.email;
 import java.io.BufferedReader;
 import java.io.BufferedWriter;
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.FileReader;
 import java.io.IOException;
+import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.OutputStreamWriter;
 import java.io.PrintStream;
 import java.io.Reader;
+import java.nio.file.Files;
 
 import org.apache.tools.ant.ProjectComponent;
 
@@ -185,7 +186,7 @@ public class Message extends ProjectComponent {
 
     private Reader getReader(File f) throws IOException {
         if (inputEncoding != null) {
-            FileInputStream fis = new FileInputStream(f);
+            InputStream fis = Files.newInputStream(f.toPath());
             try {
                 return new InputStreamReader(fis, inputEncoding);
             } catch (IOException ex) {

src/main/org/apache/tools/ant/taskdefs/email/PlainMailer.java

@@ -19,9 +19,10 @@ package org.apache.tools.ant.taskdefs.email;
 
 import java.io.BufferedInputStream;
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.IOException;
+import java.io.InputStream;
 import java.io.PrintStream;
+import java.nio.file.Files;
 import java.util.Enumeration;
 
 import org.apache.tools.ant.BuildException;
@@ -148,7 +149,7 @@ class PlainMailer extends Mailer {
         final int maxBuf = 1024;
         byte[] buf = new byte[maxBuf];
 
-        try (FileInputStream finstr = new FileInputStream(file);
+        try (InputStream finstr = Files.newInputStream(file.toPath());
              BufferedInputStream in = new BufferedInputStream(finstr, buf.length)) {
 
             while ((length = in.read(buf)) != -1) {

src/main/org/apache/tools/ant/taskdefs/email/UUMailer.java

@@ -19,9 +19,10 @@ package org.apache.tools.ant.taskdefs.email;
 
 import java.io.BufferedInputStream;
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.IOException;
+import java.io.InputStream;
 import java.io.PrintStream;
+import java.nio.file.Files;
 
 import org.apache.tools.ant.BuildException;
 import org.apache.tools.ant.util.UUEncoder;
@@ -40,7 +41,7 @@ class UUMailer extends PlainMailer {
                  + "readable.");
         }
 
-        try (FileInputStream finstr = new FileInputStream(file);
+        try (InputStream finstr = Files.newInputStream(file.toPath());
              BufferedInputStream in = new BufferedInputStream(finstr)) {
             UUEncoder encoder = new UUEncoder(file.getName());
 

src/main/org/apache/tools/ant/taskdefs/optional/EchoProperties.java

@@ -19,13 +19,13 @@ package org.apache.tools.ant.taskdefs.optional;
 
 import java.io.ByteArrayOutputStream;
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.InputStream;
 import java.io.OutputStream;
 import java.io.OutputStreamWriter;
 import java.io.Writer;
+import java.nio.file.Files;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;
@@ -290,9 +290,9 @@ public class EchoProperties extends Task {
                 return;
             }
 
-            FileInputStream in = null;
+            InputStream in = null;
             try {
-                in = new FileInputStream(inFile);
+                in = Files.newInputStream(inFile.toPath());
                 Properties props = new Properties();
                 props.load(in);
                 allProps.putAll(props);
@@ -352,7 +352,7 @@ public class EchoProperties extends Task {
                     }
                     return;
                 }
-                os = new FileOutputStream(this.destfile);
+                os = Files.newOutputStream(this.destfile.toPath());
                 saveProperties(allProps, os);
             }
         } catch (IOException ioe) {

src/main/org/apache/tools/ant/taskdefs/optional/PropertyFile.java

@@ -21,10 +21,10 @@ package org.apache.tools.ant.taskdefs.optional;
 import java.io.BufferedInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.InputStream;
 import java.io.OutputStream;
+import java.nio.file.Files;
 import java.text.DateFormat;
 import java.text.DecimalFormat;
 import java.text.ParseException;
@@ -192,15 +192,15 @@ public class PropertyFile extends Task {
             if (propertyfile.exists()) {
                 log("Updating property file: "
                     + propertyfile.getAbsolutePath());
-                try (FileInputStream fis = new FileInputStream(propertyfile);
+                try (InputStream fis = Files.newInputStream(propertyfile.toPath());
                      BufferedInputStream bis = new BufferedInputStream(fis)) {
                     properties.load(bis);
                 }
             } else {
                 log("Creating new property file: "
                     + propertyfile.getAbsolutePath());
-                try (FileOutputStream out =
-                     new FileOutputStream(propertyfile.getAbsolutePath())) {
+                try (OutputStream out =
+                     Files.newOutputStream(propertyfile.toPath())) {
                     out.flush();
                 }
             }
@@ -249,7 +249,7 @@ public class PropertyFile extends Task {
             throw new BuildException(x, getLocation());
         }
         try {
-            OutputStream os = new FileOutputStream(propertyfile); //NOSONAR
+            OutputStream os = Files.newOutputStream(propertyfile.toPath()); //NOSONAR
             try {
                 try {
                     os.write(baos.toByteArray());

src/main/org/apache/tools/ant/taskdefs/optional/ReplaceRegExp.java

@@ -20,8 +20,6 @@ package org.apache.tools.ant.taskdefs.optional;
 import java.io.BufferedReader;
 import java.io.BufferedWriter;
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
@@ -29,6 +27,7 @@ import java.io.OutputStream;
 import java.io.OutputStreamWriter;
 import java.io.Reader;
 import java.io.Writer;
+import java.nio.file.Files;
 
 import org.apache.tools.ant.BuildException;
 import org.apache.tools.ant.Project;
@@ -356,8 +355,8 @@ public class ReplaceRegExp extends Task {
         try {
             boolean changes = false;
 
-            try (InputStream is = new FileInputStream(f);
-                 OutputStream os = new FileOutputStream(temp)) {
+            try (InputStream is = Files.newInputStream(f.toPath());
+                 OutputStream os = Files.newOutputStream(temp.toPath())) {
                 Reader r = null;
                 Writer w = null;
                 try {

src/main/org/apache/tools/ant/taskdefs/optional/Rpm.java

@@ -19,10 +19,10 @@ package org.apache.tools.ant.taskdefs.optional;
 
 import java.io.BufferedOutputStream;
 import java.io.File;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.io.PrintStream;
+import java.nio.file.Files;
 import java.util.Map;
 
 import org.apache.tools.ant.BuildException;
@@ -149,9 +149,9 @@ public class Rpm extends Task {
             }
         } else {
             if (output != null) {
-                FileOutputStream fos = null;
+                OutputStream fos = null;
                 try {
-                    fos = new FileOutputStream(output); //NOSONAR
+                    fos = Files.newOutputStream(output.toPath()); //NOSONAR
                     BufferedOutputStream bos = new BufferedOutputStream(fos);
                     outputstream = new PrintStream(bos);
                 } catch (IOException e) {
@@ -164,9 +164,9 @@ public class Rpm extends Task {
                 outputstream = new LogOutputStream(this, Project.MSG_DEBUG);
             }
             if (error != null) {
-                FileOutputStream fos = null;
+                OutputStream fos = null;
                 try {
-                    fos = new FileOutputStream(error);
+                    fos = Files.newOutputStream(error.toPath());
                     BufferedOutputStream bos = new BufferedOutputStream(fos);
                     errorstream = new PrintStream(bos);
                 }  catch (IOException e) {

src/main/org/apache/tools/ant/taskdefs/optional/TraXLiaison.java

@@ -21,13 +21,12 @@ package org.apache.tools.ant.taskdefs.optional;
 import java.io.BufferedInputStream;
 import java.io.BufferedOutputStream;
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.lang.reflect.Field;
 import java.net.URL;
+import java.nio.file.Files;
 import java.util.ArrayList;
 import java.util.Enumeration;
 import java.util.HashMap;
@@ -191,8 +190,8 @@ public class TraXLiaison implements XSLTLiaison4, ErrorListener, XSLTLoggerAware
         InputStream fis = null;
         OutputStream fos = null;
         try {
-            fis = new BufferedInputStream(new FileInputStream(infile));
-            fos = new BufferedOutputStream(new FileOutputStream(outfile));
+            fis = new BufferedInputStream(Files.newInputStream(infile.toPath()));
+            fos = new BufferedOutputStream(Files.newOutputStream(outfile.toPath()));
             final StreamResult res = new StreamResult(fos);
             // not sure what could be the need of this...
             res.setSystemId(JAXPUtils.getSystemId(outfile));

src/main/org/apache/tools/ant/taskdefs/optional/XMLValidateTask.java

@@ -18,8 +18,8 @@
 package org.apache.tools.ant.taskdefs.optional;
 
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.IOException;
+import java.nio.file.Files;
 import java.util.Vector;
 
 import org.apache.tools.ant.AntClassLoader;
@@ -550,7 +550,7 @@ public class XMLValidateTask extends Task {
         try {
             log("Validating " + afile.getName() + "... ", Project.MSG_VERBOSE);
             errorHandler.init(afile);
-            InputSource is = new InputSource(new FileInputStream(afile));
+            InputSource is = new InputSource(Files.newInputStream(afile.toPath()));
             String uri = FILE_UTILS.toURI(afile.getAbsolutePath());
             is.setSystemId(uri);
             xmlReader.parse(is);

src/main/org/apache/tools/ant/taskdefs/optional/depend/AntAnalyzer.java

@@ -18,9 +18,10 @@
 package org.apache.tools.ant.taskdefs.optional.depend;
 
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.nio.file.Files;
+import java.nio.file.Paths;
 import java.util.Enumeration;
 import java.util.Hashtable;
 import java.util.Vector;
@@ -80,7 +81,7 @@ public class AntAnalyzer extends AbstractAnalyzer {
                     InputStream inStream = null;
                     try {
                         if (container.getName().endsWith(".class")) {
-                            inStream = new FileInputStream(container.getPath());
+                            inStream = Files.newInputStream(Paths.get(container.getPath()));
                         } else {
                             zipFile = new ZipFile(container.getPath());
                             String entryName

src/main/org/apache/tools/ant/taskdefs/optional/depend/DirectoryIterator.java

@@ -18,8 +18,9 @@
 package org.apache.tools.ant.taskdefs.optional.depend;
 
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.IOException;
+import java.io.InputStream;
+import java.nio.file.Files;
 import java.util.Enumeration;
 import java.util.Stack;
 import java.util.Vector;
@@ -130,8 +131,8 @@ public class DirectoryIterator implements ClassFileIterator {
                     } else {
 
                         // we have a file. create a stream for it
-                        try (FileInputStream inFileStream
-                             = new FileInputStream(element)) {
+                        try (InputStream inFileStream
+                             = Files.newInputStream(element.toPath())) {
                             if (element.getName().endsWith(".class")) {
 
                                 // create a data input stream from the jar

src/main/org/apache/tools/ant/taskdefs/optional/ejb/DescriptorHandler.java

@@ -19,11 +19,10 @@
 package org.apache.tools.ant.taskdefs.optional.ejb;
 
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.URL;
+import java.nio.file.Files;
 import java.util.Hashtable;
 
 import org.apache.tools.ant.Project;
@@ -192,8 +191,8 @@ public class DescriptorHandler extends org.xml.sax.HandlerBase {
             try {
                 owningTask.log("Resolved " + publicId + " to local file "
                     + dtdFile, Project.MSG_VERBOSE);
-                return new InputSource(new FileInputStream(dtdFile));
-            } catch (FileNotFoundException ex) {
+                return new InputSource(Files.newInputStream(dtdFile.toPath()));
+            } catch (IOException ex) {
                 // ignore
             }
         }

src/main/org/apache/tools/ant/taskdefs/optional/ejb/GenericDeploymentTool.java

@@ -18,10 +18,9 @@
 package org.apache.tools.ant.taskdefs.optional.ejb;
 
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.nio.file.Files;
 import java.util.Enumeration;
 import java.util.HashSet;
 import java.util.Hashtable;
@@ -327,10 +326,10 @@ public class GenericDeploymentTool implements EJBDeploymentTool {
                                 File inputFile,
                                 String logicalFilename)
         throws BuildException {
-        FileInputStream iStream = null;
+        InputStream iStream = null;
         try {
             if (!addedfiles.contains(logicalFilename)) {
-                iStream = new FileInputStream(inputFile);
+                iStream = Files.newInputStream(inputFile.toPath());
                 // Create the zip entry and add it to the jar file
                 ZipEntry zipEntry = new ZipEntry(logicalFilename.replace('\\', '/'));
                 jStream.putNextEntry(zipEntry);
@@ -514,7 +513,7 @@ public class GenericDeploymentTool implements EJBDeploymentTool {
      */
     protected Hashtable parseEjbFiles(String descriptorFileName, SAXParser saxParser)
                             throws IOException, SAXException {
-        FileInputStream descriptorStream = null;
+        InputStream descriptorStream = null;
         Hashtable ejbFiles = null;
 
         try {
@@ -524,7 +523,7 @@ public class GenericDeploymentTool implements EJBDeploymentTool {
              * get hold of all the classfile names for the descriptor.
              */
             descriptorStream
-                = new FileInputStream(new File(config.descriptorDir, descriptorFileName));
+                = Files.newInputStream(new File(config.descriptorDir, descriptorFileName).toPath());
             saxParser.parse(new InputSource(descriptorStream), handler);
 
             ejbFiles = handler.getFiles();
@@ -776,7 +775,7 @@ public class GenericDeploymentTool implements EJBDeploymentTool {
             try {
                 File manifestFile = (File) files.get(MANIFEST);
                 if (manifestFile != null && manifestFile.exists()) {
-                    in = new FileInputStream(manifestFile);
+                    in = Files.newInputStream(manifestFile.toPath());
                 } else {
                     String defaultManifest = "/org/apache/tools/ant/defaultManifest.mf";
                     in = this.getClass().getResourceAsStream(defaultManifest);
@@ -797,7 +796,7 @@ public class GenericDeploymentTool implements EJBDeploymentTool {
 
             // Create the streams necessary to write the jarfile
 
-            jarStream = new JarOutputStream(new FileOutputStream(jarfile), manifest);
+            jarStream = new JarOutputStream(Files.newOutputStream(jarfile.toPath()), manifest);
             jarStream.setMethod(JarOutputStream.DEFLATED);
 
             // Loop through all the class files found and add them to the jar

src/main/org/apache/tools/ant/taskdefs/optional/ejb/IPlanetEjbc.java

@@ -20,10 +20,11 @@ package org.apache.tools.ant.taskdefs.optional.ejb;
 
 import java.io.BufferedReader;
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
+import java.nio.file.Files;
+import java.nio.file.Paths;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.HashMap;
@@ -729,7 +730,7 @@ public class IPlanetEjbc {
                     location = (String) fileDtds.get(publicId);
                     if (location != null) {
                         // closed when the InputSource is closed
-                        inputStream = new FileInputStream(location); //NOSONAR
+                        inputStream = Files.newInputStream(Paths.get(location)); //NOSONAR
                     }
                 }
             } catch (IOException e) {

src/main/org/apache/tools/ant/taskdefs/optional/ejb/WeblogicDeploymentTool.java

@@ -18,10 +18,9 @@
 package org.apache.tools.ant.taskdefs.optional.ejb;
 
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.nio.file.Files;
 import java.util.Enumeration;
 import java.util.Hashtable;
 import java.util.Iterator;
@@ -496,9 +495,8 @@ public class WeblogicDeploymentTool extends GenericDeploymentTool {
                 DescriptorHandler handler
                     = getWeblogicDescriptorHandler(ejbDescriptor.getParentFile());
 
-                saxParser.parse(new InputSource
-                    (new FileInputStream(weblogicDD)),
-                        handler);
+                saxParser.parse(new InputSource(Files.newInputStream(weblogicDD.toPath())),
+                                handler);
 
                 Hashtable ht = handler.getFiles();
                 Enumeration e = ht.keys();
@@ -810,7 +808,7 @@ public class WeblogicDeploymentTool extends GenericDeploymentTool {
                         newWLJarFile.delete();
                     }
 
-                    newJarStream = new JarOutputStream(new FileOutputStream(newWLJarFile));
+                    newJarStream = new JarOutputStream(Files.newOutputStream(newWLJarFile.toPath()));
                     newJarStream.setLevel(0);
 
                     //Copy files from old weblogic jar

src/main/org/apache/tools/ant/taskdefs/optional/ejb/WebsphereDeploymentTool.java

@@ -18,9 +18,9 @@
 package org.apache.tools.ant.taskdefs.optional.ejb;
 
 import java.io.File;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.nio.file.Files;
 import java.util.Enumeration;
 import java.util.Hashtable;
 import java.util.Iterator;
@@ -775,7 +775,7 @@ public class WebsphereDeploymentTool extends GenericDeploymentTool {
                         newwasJarFile.delete();
                     }
 
-                    newJarStream = new JarOutputStream(new FileOutputStream(newwasJarFile));
+                    newJarStream = new JarOutputStream(Files.newOutputStream(newwasJarFile.toPath()));
                     newJarStream.setLevel(0);
 
                     //Copy files from old websphere jar

src/main/org/apache/tools/ant/taskdefs/optional/extension/JarLibManifestTask.java

@@ -18,8 +18,9 @@
 package org.apache.tools.ant.taskdefs.optional.extension;
 
 import java.io.File;
-import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.OutputStream;
+import java.nio.file.Files;
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.jar.Attributes;
@@ -214,9 +215,9 @@ public final class JarLibManifestTask extends Task {
      * @throws IOException if error writing file
      */
     private void writeManifest(final Manifest manifest) throws IOException {
-        FileOutputStream output = null;
+        OutputStream output = null;
         try {
-            output = new FileOutputStream(destFile);
+            output = Files.newOutputStream(destFile.toPath());
             manifest.write(output);
             output.flush();
         } finally {

src/main/org/apache/tools/ant/taskdefs/optional/i18n/Translate.java

@@ -20,11 +20,12 @@ package org.apache.tools.ant.taskdefs.optional.i18n;
 import java.io.BufferedReader;
 import java.io.BufferedWriter;
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.InputStream;
 import java.io.InputStreamReader;
+import java.io.OutputStream;
 import java.io.OutputStreamWriter;
+import java.nio.file.Files;
 import java.util.Hashtable;
 import java.util.Locale;
 import java.util.Vector;
@@ -407,9 +408,9 @@ public class Translate extends MatchingTask {
     private void processBundle(final String bundleFile, final int i,
                                final boolean checkLoaded) throws BuildException {
         final File propsFile = getProject().resolveFile(bundleFile + ".properties");
-        FileInputStream ins = null;
+        InputStream ins = null;
         try {
-            ins = new FileInputStream(propsFile);
+            ins = Files.newInputStream(propsFile.toPath());
             loaded = true;
             bundleLastModified[i] = propsFile.lastModified();
             log("Using " + propsFile, Project.MSG_DEBUG);
@@ -429,7 +430,7 @@ public class Translate extends MatchingTask {
      * Load resourceMap with key value pairs.  Values of existing keys
      * are not overwritten.  Bundle's encoding scheme is used.
      */
-    private void loadResourceMap(FileInputStream ins) throws BuildException {
+    private void loadResourceMap(InputStream ins) throws BuildException {
         try {
             BufferedReader in = null;
             InputStreamReader isr = new InputStreamReader(ins, bundleEncoding);
@@ -551,9 +552,9 @@ public class Translate extends MatchingTask {
         BufferedWriter out = null;
         BufferedReader in = null;
         try {
-            FileOutputStream fos = new FileOutputStream(dest);
+            OutputStream fos = Files.newOutputStream(dest.toPath());
             out = new BufferedWriter(new OutputStreamWriter(fos, destEncoding));
-            FileInputStream fis = new FileInputStream(src);
+            InputStream fis = Files.newInputStream(src.toPath());
             in = new BufferedReader(new InputStreamReader(fis, srcEncoding));
             String line;
             LineTokenizer lineTokenizer = new LineTokenizer();

src/main/org/apache/tools/ant/taskdefs/optional/image/Image.java

@@ -18,8 +18,9 @@
 package org.apache.tools.ant.taskdefs.optional.image;
 
 import java.io.File;
-import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.OutputStream;
+import java.nio.file.Files;
 import java.util.Locale;
 import java.util.Vector;
 
@@ -316,9 +317,9 @@ public class Image extends MatchingTask {
                 newFile.delete();
             }
 
-            FileOutputStream stream = null;
+            OutputStream stream = null;
             try {
-                stream = new FileOutputStream(newFile);
+                stream = Files.newOutputStream(newFile.toPath());
 
                 JAI.create("encode", image, stream,
                            str_encoding.toUpperCase(Locale.ENGLISH),

src/main/org/apache/tools/ant/taskdefs/optional/jlink/jlink.java

@@ -24,10 +24,10 @@ package org.apache.tools.ant.taskdefs.optional.jlink;
 
 import java.io.BufferedInputStream;
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.nio.file.Files;
+import java.nio.file.Paths;
 import java.util.Enumeration;
 import java.util.Vector;
 import java.util.zip.CRC32;
@@ -145,7 +145,7 @@ public class jlink {
      * @throws Exception on error.
      */
     public void link() throws Exception { //NOSONAR
-        ZipOutputStream output = new ZipOutputStream(new FileOutputStream(outfile));
+        ZipOutputStream output = new ZipOutputStream(Files.newOutputStream(Paths.get(outfile)));
 
         if (compression) {
             output.setMethod(ZipOutputStream.DEFLATED);
@@ -303,7 +303,7 @@ public class jlink {
             // see if the file is in fact a .class file, and determine its actual name.
             InputStream input = null;
             try {
-                input = new FileInputStream(file);
+                input = Files.newInputStream(file.toPath());
                 String className = ClassNameReader.getClassName(input);
 
                 if (className != null) {
@@ -337,7 +337,7 @@ public class jlink {
         if (!compress) {
             entry.setCrc(calcChecksum(file));
         }
-        FileInputStream input = new FileInputStream(file);
+        InputStream input = Files.newInputStream(file.toPath());
 
         addToOutputStream(output, input, entry);
     }
@@ -422,7 +422,7 @@ public class jlink {
      * is not compressed.
      */
     private long calcChecksum(File f) throws IOException {
-        BufferedInputStream in = new BufferedInputStream(new FileInputStream(f));
+        BufferedInputStream in = new BufferedInputStream(Files.newInputStream(f.toPath()));
 
         return calcChecksum(in);
     }

src/main/org/apache/tools/ant/taskdefs/optional/junit/AggregateTransformer.java

@@ -18,11 +18,11 @@
 package org.apache.tools.ant.taskdefs.optional.junit;
 
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.URL;
+import java.nio.file.Files;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Vector;
@@ -176,7 +176,7 @@ public class AggregateTransformer {
     protected void setXmlfile(File xmlfile) throws BuildException {
         try {
             DocumentBuilder builder = privateDBFactory.newDocumentBuilder();
-            try (InputStream in = new FileInputStream(xmlfile)) {
+            try (InputStream in = Files.newInputStream(xmlfile.toPath())) {
                 Document doc = builder.parse(in);
                 setXmlDocument(doc);
             }

src/main/org/apache/tools/ant/taskdefs/optional/junit/FormatterElement.java

@@ -20,12 +20,12 @@ package org.apache.tools.ant.taskdefs.optional.junit;
 
 import java.io.BufferedOutputStream;
 import java.io.File;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.lang.reflect.Field;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
+import java.nio.file.Files;
 
 import org.apache.tools.ant.BuildException;
 import org.apache.tools.ant.Project;
@@ -378,7 +378,7 @@ public class FormatterElement {
         public void write(int b) throws IOException {
             synchronized (this) {
                 if (outputStream == null) {
-                    outputStream = new BufferedOutputStream(new FileOutputStream(file));
+                    outputStream = new BufferedOutputStream(Files.newOutputStream(file.toPath()));
                 }
             }
             outputStream.write(b);

src/main/org/apache/tools/ant/taskdefs/optional/junit/JUnitTask.java

@@ -21,7 +21,6 @@ package org.apache.tools.ant.taskdefs.optional.junit;
 import java.io.BufferedReader;
 import java.io.BufferedWriter;
 import java.io.File;
-import java.io.FileOutputStream;
 import java.io.FileReader;
 import java.io.FileWriter;
 import java.io.IOException;
@@ -29,6 +28,7 @@ import java.io.OutputStream;
 import java.io.PrintStream;
 import java.lang.reflect.Constructor;
 import java.net.URL;
+import java.nio.file.Files;
 import java.security.AccessController;
 import java.security.PrivilegedAction;
 import java.util.ArrayList;
@@ -1243,7 +1243,7 @@ public class JUnitTask extends Task {
             props.put(key, p.get(key));
         }
         try {
-            final FileOutputStream outstream = new FileOutputStream(propsFile);
+            final OutputStream outstream = Files.newOutputStream(propsFile.toPath());
             props.store(outstream, "Ant JUnitTask generated properties file");
             outstream.close();
         } catch (final java.io.IOException e) {
@@ -1953,7 +1953,7 @@ public class JUnitTask extends Task {
                         final File outFile = getOutput(fe, test);
                         if (outFile != null) {
                             try {
-                                out = new FileOutputStream(outFile);
+                                out = Files.newOutputStream(outFile.toPath());
                             } catch (final IOException e) {
                                 // ignore
                             }

src/main/org/apache/tools/ant/taskdefs/optional/junit/JUnitTestRunner.java

@@ -22,15 +22,17 @@ import java.io.BufferedReader;
 import java.io.BufferedWriter;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.FileWriter;
 import java.io.IOException;
+import java.io.InputStream;
 import java.io.OutputStream;
 import java.io.PrintStream;
 import java.io.StringReader;
 import java.io.StringWriter;
 import java.lang.reflect.Method;
 import java.lang.reflect.Modifier;
+import java.nio.file.Files;
+import java.nio.file.Paths;
 import java.util.Enumeration;
 import java.util.Hashtable;
 import java.util.Properties;
@@ -940,8 +942,8 @@ public class JUnitTestRunner implements TestListener, JUnitTaskMirror.JUnitTestR
                     System.exit(ERRORS);
                 }
             } else if (args[i].startsWith(Constants.PROPSFILE)) {
-                final FileInputStream in = new FileInputStream(args[i]
-                                                         .substring(Constants.PROPSFILE.length()));
+                final InputStream in = Files.newInputStream(Paths.get(args[i]
+                                                     .substring(Constants.PROPSFILE.length())));
                 props.load(in);
                 in.close();
             } else if (args[i].startsWith(Constants.SHOWOUTPUT)) {

src/main/org/apache/tools/ant/taskdefs/optional/junit/XMLResultAggregator.java

@@ -19,11 +19,11 @@ package org.apache.tools.ant.taskdefs.optional.junit;
 
 import java.io.BufferedOutputStream;
 import java.io.File;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.io.OutputStreamWriter;
 import java.io.PrintWriter;
+import java.nio.file.Files;
 import java.util.Enumeration;
 import java.util.Vector;
 
@@ -213,7 +213,7 @@ public class XMLResultAggregator extends Task implements XMLConstants {
      * @throws IOException thrown if there is an error while writing the content.
      */
     protected void writeDOMTree(Document doc, File file) throws IOException {
-        try (OutputStream os = new FileOutputStream(file);
+        try (OutputStream os = Files.newOutputStream(file.toPath());
              PrintWriter wri = new PrintWriter(new OutputStreamWriter(new BufferedOutputStream(os), "UTF8"))) {
             wri.write("<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n");
             (new DOMElementWriter()).write(doc.getDocumentElement(), wri, 0, "  ");

src/main/org/apache/tools/ant/taskdefs/optional/native2ascii/BuiltinNative2Ascii.java

@@ -20,14 +20,13 @@ package org.apache.tools.ant.taskdefs.optional.native2ascii;
 import java.io.BufferedReader;
 import java.io.BufferedWriter;
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
 import java.io.FileReader;
 import java.io.FileWriter;
 import java.io.IOException;
 import java.io.InputStreamReader;
 import java.io.OutputStreamWriter;
 import java.io.Writer;
+import java.nio.file.Files;
 
 import org.apache.tools.ant.BuildException;
 import org.apache.tools.ant.taskdefs.optional.Native2Ascii;
@@ -61,7 +60,7 @@ public class BuiltinNative2Ascii implements Native2AsciiAdapter {
                                      boolean reverse) throws IOException {
         if (!reverse && encoding != null) {
             return new BufferedReader(new InputStreamReader(
-                new FileInputStream(srcFile), encoding));
+                Files.newInputStream(srcFile.toPath()), encoding));
         }
         return new BufferedReader(new FileReader(srcFile));
     }
@@ -73,7 +72,7 @@ public class BuiltinNative2Ascii implements Native2AsciiAdapter {
         }
         if (encoding != null) {
             return new BufferedWriter(
-                new OutputStreamWriter(new FileOutputStream(destFile),
+                new OutputStreamWriter(Files.newOutputStream(destFile.toPath()),
                                        encoding));
         }
         return new BufferedWriter(new FileWriter(destFile));

src/main/org/apache/tools/ant/taskdefs/optional/net/FTP.java

@@ -21,12 +21,11 @@ import java.io.BufferedInputStream;
 import java.io.BufferedOutputStream;
 import java.io.BufferedWriter;
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
 import java.io.FileWriter;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
+import java.nio.file.Files;
 import java.text.SimpleDateFormat;
 import java.util.Collection;
 import java.util.Date;
@@ -1957,7 +1956,7 @@ public class FTP extends Task implements FTPTaskConfig {
             // create a local temporary file
             FILE_UTILS.createNewFile(tempFile);
             long localTimeStamp = tempFile.lastModified();
-            BufferedInputStream instream = new BufferedInputStream(new FileInputStream(tempFile));
+            BufferedInputStream instream = new BufferedInputStream(Files.newInputStream(tempFile.toPath()));
             ftp.storeFile(tempFile.getName(), instream);
             instream.close();
             boolean success = FTPReply.isPositiveCompletion(ftp.getReplyCode());
@@ -2148,7 +2147,7 @@ public class FTP extends Task implements FTPTaskConfig {
                 log("transferring " + file.getAbsolutePath());
             }
 
-            instream = new BufferedInputStream(new FileInputStream(file));
+            instream = new BufferedInputStream(Files.newInputStream(file.toPath()));
 
             createParents(ftp, filename);
 
@@ -2278,7 +2277,7 @@ public class FTP extends Task implements FTPTaskConfig {
             if (!pdir.exists()) {
                 pdir.mkdirs();
             }
-            outstream = new BufferedOutputStream(new FileOutputStream(file));
+            outstream = new BufferedOutputStream(Files.newOutputStream(file.toPath()));
             ftp.retrieveFile(resolveFile(filename), outstream);
 
             if (!FTPReply.isPositiveCompletion(ftp.getReplyCode())) {

src/main/org/apache/tools/ant/taskdefs/optional/net/FTPTaskMirrorImpl.java

@@ -21,12 +21,11 @@ import java.io.BufferedInputStream;
 import java.io.BufferedOutputStream;
 import java.io.BufferedWriter;
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
 import java.io.FileWriter;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
+import java.nio.file.Files;
 import java.text.SimpleDateFormat;
 import java.util.Date;
 import java.util.Enumeration;
@@ -1346,7 +1345,7 @@ public class FTPTaskMirrorImpl implements FTPTaskMirror {
             // create a local temporary file
             FILE_UTILS.createNewFile(tempFile);
             long localTimeStamp = tempFile.lastModified();
-            BufferedInputStream instream = new BufferedInputStream(new FileInputStream(tempFile));
+            BufferedInputStream instream = new BufferedInputStream(Files.newInputStream(tempFile.toPath()));
             ftp.storeFile(tempFile.getName(), instream);
             instream.close();
             boolean success = FTPReply.isPositiveCompletion(ftp.getReplyCode());
@@ -1535,7 +1534,7 @@ public class FTPTaskMirrorImpl implements FTPTaskMirror {
                 task.log("transferring " + file.getAbsolutePath());
             }
 
-            instream = new BufferedInputStream(new FileInputStream(file));
+            instream = new BufferedInputStream(Files.newInputStream(file.toPath()));
 
             createParents(ftp, filename);
 
@@ -1666,7 +1665,7 @@ public class FTPTaskMirrorImpl implements FTPTaskMirror {
             if (!pdir.exists()) {
                 pdir.mkdirs();
             }
-            outstream = new BufferedOutputStream(new FileOutputStream(file));
+            outstream = new BufferedOutputStream(Files.newOutputStream(file.toPath()));
             ftp.retrieveFile(resolveFile(filename), outstream);
 
             if (!FTPReply.isPositiveCompletion(ftp.getReplyCode())) {

src/main/org/apache/tools/ant/taskdefs/optional/pvcs/Pvcs.java

@@ -21,10 +21,11 @@ import java.io.BufferedReader;
 import java.io.BufferedWriter;
 import java.io.File;
 import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
 import java.io.FileReader;
 import java.io.FileWriter;
 import java.io.IOException;
+import java.io.OutputStream;
+import java.nio.file.Files;
 import java.text.MessageFormat;
 import java.text.ParseException;
 import java.util.Enumeration;
@@ -198,7 +199,7 @@ public class Pvcs extends org.apache.tools.ant.Task {
         try {
             Random rand = new Random(System.currentTimeMillis());
             tmp = new File("pvcs_ant_" + rand.nextLong() + ".log");
-            FileOutputStream fos = new FileOutputStream(tmp);
+            OutputStream fos = Files.newOutputStream(tmp.toPath());
             tmp2 = new File("pvcs_ant_" + rand.nextLong() + ".log");
             log(commandLine.describeCommand(), Project.MSG_VERBOSE);
             try {

src/main/org/apache/tools/ant/taskdefs/optional/ssh/SSHExec.java

@@ -22,13 +22,13 @@ import java.io.BufferedReader;
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.FileWriter;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.OutputStream;
 import java.io.StringReader;
+import java.nio.file.Files;
 
 import org.apache.tools.ant.BuildException;
 import org.apache.tools.ant.Project;
@@ -360,7 +360,7 @@ public class SSHExec extends SSHBase {
         InputStream istream = null;
         if (inputFile != null) {
             try {
-                istream = new FileInputStream(inputFile);
+                istream = Files.newInputStream(inputFile.toPath());
             } catch (final IOException e) {
                 // because we checked the existence before, this one
                 // shouldn't happen What if the file exists, but there

src/main/org/apache/tools/ant/taskdefs/optional/ssh/ScpFromMessage.java

@@ -21,10 +21,10 @@ package org.apache.tools.ant.taskdefs.optional.ssh;
 import java.io.ByteArrayOutputStream;
 import java.io.EOFException;
 import java.io.File;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
+import java.nio.file.Files;
 
 import org.apache.tools.ant.util.FileUtils;
 
@@ -262,7 +262,7 @@ public class ScpFromMessage extends AbstractSshMessage {
         sendAck(out);
 
         // read a content of lfile
-        final FileOutputStream fos = new FileOutputStream(localFile);
+        final OutputStream fos = Files.newOutputStream(localFile.toPath());
         int length;
         long totalLength = 0;
         final long startTime = System.currentTimeMillis();

src/main/org/apache/tools/ant/taskdefs/optional/ssh/ScpToMessage.java

@@ -19,10 +19,10 @@
 package org.apache.tools.ant.taskdefs.optional.ssh;
 
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
+import java.nio.file.Files;
 import java.util.Iterator;
 import java.util.List;
 
@@ -363,7 +363,7 @@ public class ScpToMessage extends AbstractSshMessage {
         waitForAck(in);
 
         // send a content of lfile
-        final FileInputStream fis = new FileInputStream(localFile);
+        final InputStream fis = Files.newInputStream(localFile.toPath());
         final byte[] buf = new byte[BUFFER_SIZE];
         final long startTime = System.currentTimeMillis();
         long totalLength = 0;

src/main/org/apache/tools/ant/taskdefs/optional/unix/Symlink.java

@@ -32,12 +32,12 @@ package org.apache.tools.ant.taskdefs.optional.unix;
 import java.io.BufferedInputStream;
 import java.io.BufferedOutputStream;
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.OutputStream;
 import java.io.PrintStream;
+import java.nio.file.Files;
 import java.util.HashSet;
 import java.util.Hashtable;
 import java.util.Iterator;
@@ -437,7 +437,7 @@ public class Symlink extends DispatchTask {
         BufferedOutputStream bos = null;
         try {
             bos = new BufferedOutputStream(
-                new FileOutputStream(new File(dir, linkFileName)));
+                Files.newOutputStream(new File(dir, linkFileName).toPath()));
             properties.store(bos, "Symlinks from " + dir);
         } catch (IOException ioe) {
             throw new BuildException(ioe, getLocation());
@@ -567,7 +567,7 @@ public class Symlink extends DispatchTask {
                 Properties lnks = new Properties();
                 InputStream is = null;
                 try {
-                    is = new BufferedInputStream(new FileInputStream(inc));
+                    is = new BufferedInputStream(Files.newInputStream(inc.toPath()));
                     lnks.load(is);
                     pf = pf.getCanonicalFile();
                 } catch (FileNotFoundException fnfe) {

src/main/org/apache/tools/ant/taskdefs/optional/xz/Unxz.java

@@ -18,9 +18,10 @@
 
 package org.apache.tools.ant.taskdefs.optional.xz;
 
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.OutputStream;
+import java.nio.file.Files;
 
 import org.apache.tools.ant.BuildException;
 import org.apache.tools.ant.taskdefs.Unpack;
@@ -57,11 +58,11 @@ public class Unxz extends Unpack {
             log("Expanding " + srcResource.getName() + " to "
                         + dest.getAbsolutePath());
 
-            FileOutputStream out = null;
+            OutputStream out = null;
             XZInputStream zIn = null;
             InputStream fis = null;
             try {
-                out = new FileOutputStream(dest);
+                out = Files.newOutputStream(dest.toPath());
                 fis = srcResource.getInputStream();
                 zIn = new XZInputStream(fis);
                 byte[] buffer = new byte[BUFFER_SIZE];

src/main/org/apache/tools/ant/taskdefs/optional/xz/Xz.java

@@ -19,8 +19,8 @@
 package org.apache.tools.ant.taskdefs.optional.xz;
 
 import java.io.BufferedOutputStream;
-import java.io.FileOutputStream;
 import java.io.IOException;
+import java.nio.file.Files;
 
 import org.apache.tools.ant.BuildException;
 import org.apache.tools.ant.util.FileUtils;
@@ -44,7 +44,7 @@ public class Xz extends Pack {
     protected void pack() {
         XZOutputStream zOut = null;
         try {
-            zOut = new XZOutputStream(new FileOutputStream(zipFile),
+            zOut = new XZOutputStream(Files.newOutputStream(zipFile.toPath()),
                                       new LZMA2Options());
             zipResource(getSrcResource(), zOut);
         } catch (IOException ioe) {

src/main/org/apache/tools/ant/types/FilterSet.java

@@ -18,7 +18,8 @@
 package org.apache.tools.ant.types;
 
 import java.io.File;
-import java.io.FileInputStream;
+import java.io.InputStream;
+import java.nio.file.Files;
 import java.util.Enumeration;
 import java.util.Hashtable;
 import java.util.Map;
@@ -367,10 +368,10 @@ public class FilterSet extends DataType implements Cloneable {
         }
         if (filtersFile.isFile()) {
            log("Reading filters from " + filtersFile, Project.MSG_VERBOSE);
-           FileInputStream in = null;
+           InputStream in = null;
            try {
               Properties props = new Properties();
-              in = new FileInputStream(filtersFile);
+              in = Files.newInputStream(filtersFile.toPath());
               props.load(in);
 
               Enumeration<?> e = props.propertyNames();

src/main/org/apache/tools/ant/types/XMLCatalog.java

@@ -19,13 +19,13 @@
 package org.apache.tools.ant.types;
 
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.lang.reflect.Method;
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.net.URLConnection;
+import java.nio.file.Files;
 import java.util.Stack;
 import java.util.Vector;
 
@@ -677,7 +677,7 @@ public class XMLCatalog extends DataType
                 File resFile = new File(fileName);
                 if (resFile.exists() && resFile.canRead()) {
                     try {
-                        source = new InputSource(new FileInputStream(resFile));
+                        source = new InputSource(Files.newInputStream(resFile.toPath()));
                         String sysid = JAXPUtils.getSystemId(resFile);
                         source.setSystemId(sysid);
                         log("catalog entry matched a readable file: '"

src/main/org/apache/tools/ant/types/resources/FileResource.java

@@ -18,11 +18,10 @@
 package org.apache.tools.ant.types.resources;
 
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
+import java.nio.file.Files;
 
 import org.apache.tools.ant.BuildException;
 import org.apache.tools.ant.Project;
@@ -216,7 +215,7 @@ public class FileResource extends Resource implements Touchable, FileProvider,
     public InputStream getInputStream() throws IOException {
         return isReference()
             ? ((Resource) getCheckedRef()).getInputStream()
-            : new FileInputStream(getNotNullFile());
+            : Files.newInputStream(getNotNullFile().toPath());
     }
 
     /**
@@ -256,7 +255,7 @@ public class FileResource extends Resource implements Touchable, FileProvider,
                 p.mkdirs();
             }
         }
-        return append ? new FileOutputStream(f.getAbsolutePath(), true) : new FileOutputStream(f);
+        return FileUtils.newOutputStream(f.toPath(), append);
     }
 
     /**

src/main/org/apache/tools/ant/types/selectors/modifiedselector/ChecksumAlgorithm.java

@@ -20,7 +20,8 @@ package org.apache.tools.ant.types.selectors.modifiedselector;
 
 import java.io.BufferedInputStream;
 import java.io.File;
-import java.io.FileInputStream;
+import java.io.InputStream;
+import java.nio.file.Files;
 import java.security.NoSuchAlgorithmException;
 import java.util.Locale;
 import java.util.zip.Adler32;
@@ -121,7 +122,7 @@ public class ChecksumAlgorithm implements Algorithm {
         try {
             if (file.canRead()) {
                  checksum.reset();
-                 FileInputStream fis = new FileInputStream(file);
+                 InputStream fis = Files.newInputStream(file.toPath());
                  CheckedInputStream check = new CheckedInputStream(fis, checksum);
                  BufferedInputStream in = new BufferedInputStream(check);
                  while (in.read() != -1) {

src/main/org/apache/tools/ant/types/selectors/modifiedselector/DigestAlgorithm.java

@@ -20,7 +20,8 @@ package org.apache.tools.ant.types.selectors.modifiedselector;
 
 
 import java.io.File;
-import java.io.FileInputStream;
+import java.io.InputStream;
+import java.nio.file.Files;
 import java.security.DigestInputStream;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
@@ -158,12 +159,12 @@ public class DigestAlgorithm implements Algorithm {
             if (!file.canRead()) {
                 return null;
             }
-            FileInputStream fis = null;
+            InputStream fis = null;
 
             byte[] buf = new byte[readBufferSize];
             try {
                 messageDigest.reset();
-                fis = new FileInputStream(file);
+                fis = Files.newInputStream(file.toPath());
                 DigestInputStream dis = new DigestInputStream(fis,
                                                               messageDigest);
                 while (dis.read(buf, 0, readBufferSize) != -1) {

src/main/org/apache/tools/ant/types/selectors/modifiedselector/PropertiesfileCache.java

@@ -22,8 +22,9 @@ package org.apache.tools.ant.types.selectors.modifiedselector;
 import java.io.BufferedInputStream;
 import java.io.BufferedOutputStream;
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.nio.file.Files;
 import java.util.Enumeration;
 import java.util.Iterator;
 import java.util.Properties;
@@ -133,7 +134,7 @@ public class PropertiesfileCache implements Cache {
         if ((cachefile != null) && cachefile.isFile() && cachefile.canRead()) {
             try {
                 BufferedInputStream bis = new BufferedInputStream(
-                    new FileInputStream(cachefile));
+                    Files.newInputStream(cachefile.toPath()));
                 cache.load(bis);
                 bis.close();
             } catch (Exception e) {
@@ -159,7 +160,7 @@ public class PropertiesfileCache implements Cache {
         if ((cachefile != null) && cache.propertyNames().hasMoreElements()) {
             try {
                 BufferedOutputStream bos = new BufferedOutputStream(
-                      new FileOutputStream(cachefile));
+                      Files.newOutputStream(cachefile.toPath()));
                 cache.store(bos, null);
                 bos.flush();
                 bos.close();

src/main/org/apache/tools/ant/util/ConcatFileInputStream.java

@@ -20,9 +20,9 @@ package org.apache.tools.ant.util;
 
 import java.io.BufferedInputStream;
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.nio.file.Files;
 
 import org.apache.tools.ant.Project;
 import org.apache.tools.ant.ProjectComponent;
@@ -119,7 +119,7 @@ public class ConcatFileInputStream extends InputStream {
             log("Opening " + file[index], Project.MSG_VERBOSE);
             try {
                 currentStream = new BufferedInputStream(
-                    new FileInputStream(file[index]));
+                    Files.newInputStream(file[index].toPath()));
             } catch (IOException eyeOhEx) {
                 log("Failed to open " + file[index], Project.MSG_ERR);
                 throw eyeOhEx;

src/main/org/apache/tools/ant/util/FileUtils.java

@@ -31,6 +31,9 @@ import java.net.MalformedURLException;
 import java.net.URL;
 import java.net.URLConnection;
 import java.nio.channels.Channel;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.StandardOpenOption;
 import java.text.DecimalFormat;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -1707,4 +1710,20 @@ public class FileUtils {
             close(is);
         }
     }
+
+    /**
+     * Opens a new OutputStream for the given Path.
+     * @param path the path of the file
+     * @param whether to append to or a replace an existing file
+     * @return a stream ready to write to the file
+     * @since Ant 1.10.2
+     */
+    public static OutputStream newOutputStream(Path path, boolean append) throws IOException {
+        if (append) {
+            return Files.newOutputStream(path, StandardOpenOption.CREATE, StandardOpenOption.APPEND,
+                StandardOpenOption.WRITE);
+        } else {
+            return Files.newOutputStream(path);
+        }
+    }
 }

src/main/org/apache/tools/ant/util/LayoutPreservingProperties.java

@@ -20,7 +20,6 @@ package org.apache.tools.ant.util;
 import java.io.BufferedReader;
 import java.io.ByteArrayInputStream;
 import java.io.File;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
@@ -28,6 +27,7 @@ import java.io.OutputStream;
 import java.io.OutputStreamWriter;
 import java.io.PrintStream;
 import java.io.PushbackReader;
+import java.nio.file.Files;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Iterator;
@@ -250,7 +250,7 @@ public class LayoutPreservingProperties extends Properties {
      * @param dest the file to write to
      */
     public void saveAs(final File dest) throws IOException {
-        final FileOutputStream fos = new FileOutputStream(dest);
+        final OutputStream fos = Files.newOutputStream(dest.toPath());
         store(fos, null);
         fos.close();
     }

src/main/org/apache/tools/ant/util/LazyFileOutputStream.java

@@ -18,9 +18,9 @@
 package org.apache.tools.ant.util;
 
 import java.io.File;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
+import org.apache.tools.ant.util.FileUtils;
 
 /**
  * Class that delays opening the output file until the first bytes
@@ -31,7 +31,7 @@ import java.io.OutputStream;
  */
 public class LazyFileOutputStream extends OutputStream {
 
-    private FileOutputStream fos;
+    private OutputStream fos;
     private File file;
     private boolean append;
     private boolean alwaysCreate;
@@ -155,7 +155,7 @@ public class LazyFileOutputStream extends OutputStream {
         }
 
         if (!opened) {
-            fos = new FileOutputStream(file.getAbsolutePath(), append);
+            fos = FileUtils.newOutputStream(file.toPath(), append);
             opened = true;
         }
     }

src/main/org/apache/tools/ant/util/ResourceUtils.java

@@ -21,8 +21,6 @@ import java.io.BufferedInputStream;
 import java.io.BufferedReader;
 import java.io.BufferedWriter;
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
@@ -30,6 +28,7 @@ import java.io.OutputStream;
 import java.io.OutputStreamWriter;
 import java.io.Reader;
 import java.nio.channels.FileChannel;
+import java.nio.file.StandardOpenOption;
 import java.util.Arrays;
 import java.util.Vector;
 
@@ -777,17 +776,13 @@ public class ResourceUtils {
                                   + " for " + destFile);
         }
 
-        FileInputStream in = null;
-        FileOutputStream out = null;
         FileChannel srcChannel = null;
         FileChannel destChannel = null;
 
         try {
-            in = new FileInputStream(sourceFile);
-            out = new FileOutputStream(destFile);
-
-            srcChannel = in.getChannel();
-            destChannel = out.getChannel();
+            srcChannel = FileChannel.open(sourceFile.toPath(), StandardOpenOption.READ);
+            destChannel = FileChannel.open(destFile.toPath(), StandardOpenOption.CREATE,
+                StandardOpenOption.TRUNCATE_EXISTING, StandardOpenOption.WRITE);
 
             long position = 0;
             final long count = srcChannel.size();
@@ -799,8 +794,6 @@ public class ResourceUtils {
         } finally {
             FileUtils.close(srcChannel);
             FileUtils.close(destChannel);
-            FileUtils.close(out);
-            FileUtils.close(in);
         }
     }
 

src/main/org/apache/tools/ant/util/ScriptRunnerBase.java

@@ -19,13 +19,12 @@ package org.apache.tools.ant.util;
 
 import java.io.BufferedReader;
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.Reader;
 import java.nio.charset.Charset;
+import java.nio.file.Files;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.Map;
@@ -233,8 +232,8 @@ public abstract class ScriptRunnerBase {
 
         InputStream in = null;
         try {
-            in = new FileInputStream(file);
-        } catch (FileNotFoundException e) {
+            in = Files.newInputStream(file.toPath());
+        } catch (IOException e) {
             //this can only happen if the file got deleted a short moment ago
             throw new BuildException("file " + filename + " not found.");
         }

src/main/org/apache/tools/zip/ZipOutputStream.java

@@ -31,12 +31,12 @@ import static org.apache.tools.zip.ZipShort.putShort;
 
 import java.io.ByteArrayOutputStream;
 import java.io.File;
-import java.io.FileOutputStream;
 import java.io.FilterOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.io.RandomAccessFile;
 import java.nio.ByteBuffer;
+import java.nio.file.Files;
 import java.util.Calendar;
 import java.util.Date;
 import java.util.HashMap;
@@ -355,7 +355,7 @@ public class ZipOutputStream extends FilterOutputStream {
                 }
                 _raf = null;
             }
-            out = new FileOutputStream(file);
+            out = Files.newOutputStream(file.toPath());
         }
         raf = _raf;
     }