provide access to encoding stuff in unzip, hide it in untar

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@799730 13f79535-47bb-0310-9956-ffa450edef68

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

@@ -439,12 +439,30 @@ public class Expand extends Task {
      * @since Ant 1.6
      */
     public void setEncoding(String encoding) {
+        internalSetEncoding(encoding);
+    }
+
+    /**
+     * Supports grand-children that want to support the attribute
+     * where the child-class doesn't (i.e. Unzip in the compress
+     * Antlib).
+     *
+     * @since Ant 1.8.0
+     */
+    protected void internalSetEncoding(String encoding) {
         if (NATIVE_ENCODING.equals(encoding)) {
             encoding = null;
         }
         this.encoding = encoding;
     }
 
+    /**
+     * @since Ant 1.8.0
+     */
+    public String getEncoding() {
+        return encoding;
+    }
+
     /**
      * Whether leading path separators should be stripped.
      *
@@ -460,6 +478,25 @@ public class Expand extends Task {
      * @since Ant 1.8.0
      */
     public void setScanForUnicodeExtraFields(boolean b) {
+        internalSetScanForUnicodeExtraFields(b);
+    }
+
+    /**
+     * Supports grand-children that want to support the attribute
+     * where the child-class doesn't (i.e. Unzip in the compress
+     * Antlib).
+     *
+     * @since Ant 1.8.0
+     */
+    protected void internalSetScanForUnicodeExtraFields(boolean b) {
         scanForUnicodeExtraFields = b;
     }
+
+    /**
+     * @since Ant 1.8.0
+     */
+    public boolean getScanForUnicodeExtraFields() {
+        return scanForUnicodeExtraFields;
+    }
+
 }

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

@@ -42,7 +42,7 @@ import org.apache.tools.tar.TarInputStream;
  * <p>PatternSets are used to select files to extract
  * <I>from</I> the archive.  If no patternset is used, all files are extracted.
  * </p>
- * <p>FileSet>s may be used to select archived files
+ * <p>FileSets may be used to select archived files
  * to perform unarchival upon.
  * </p>
  * <p>File permissions will not be restored on extracted files.</p>
@@ -86,6 +86,17 @@ public class Untar extends Expand {
                                  + " attribute", getLocation());
     }
 
+    /**
+     * No unicode extra fields in tar.
+     *
+     * @since Ant 1.8.0
+     */
+    public void setScanForUnicodeExtraFields(boolean b) {
+        throw new BuildException("The " + getTaskName()
+                                 + " task doesn't support the encoding"
+                                 + " attribute", getLocation());
+    }
+
     /**
      * @see Expand#expandFile(FileUtils, File, File)
      */