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Pesky windows locking 

Can't rename a file that is open or where the destination exists


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@269455 13f79535-47bb-0310-9956-ffa450edef68
master
Conor MacNeill 24 years ago
parent
ac1664c3fd
commit
70b420621b
1 changed files with 292 additions and 275 deletions
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  1. +292
    -275
      src/main/org/apache/tools/ant/taskdefs/FixCRLF.java

+ 292
- 275
src/main/org/apache/tools/ant/taskdefs/FixCRLF.java View File

@@ -149,8 +149,8 @@ public class FixCRLF extends MatchingTask {
*/
public FixCRLF () {
tabs = ASIS;
if (System.getProperty("path.separator").equals(":")) {
ctrlz = REMOVE;
if (System.getProperty("path.separator").equals(":")) {
ctrlz = REMOVE;
if (System.getProperty("os.name").indexOf("Mac") > -1) {
eol = CR;
eolstr = "\r";
@@ -158,12 +158,12 @@ public class FixCRLF extends MatchingTask {
eol = LF;
eolstr = "\n";
}
}
else {
ctrlz = ASIS;
}
else {
ctrlz = ASIS;
eol = CRLF;
eolstr = "\r\n";
}
}
}

/**
@@ -211,7 +211,7 @@ public class FixCRLF extends MatchingTask {
eol = LF;
eolstr = "\n";
} else {
// Must be "crlf"
// Must be "crlf"
eol = CRLF;
eolstr = "\r\n";
}
@@ -276,13 +276,13 @@ public class FixCRLF extends MatchingTask {
public void setTablength(int tlength) throws BuildException {
if (tlength < 2 || tlength >80) {
throw new BuildException("tablength must be between 2 and 80",
location);
location);
}
tablength = tlength;
StringBuffer sp = new StringBuffer();
for (int i = 0; i < tablength; i++) {
sp.append(' ');
}
for (int i = 0; i < tablength; i++) {
sp.append(' ');
}
spaces = sp.toString();
}

@@ -335,7 +335,7 @@ public class FixCRLF extends MatchingTask {
// log options used
log("options:" +
" eol=" +
(eol==ASIS ? "asis" : eol==CR ? "cr" : eol==LF ? "lf" : "crlf") +
(eol==ASIS ? "asis" : eol==CR ? "cr" : eol==LF ? "lf" : "crlf") +
" tab=" + (tabs==TABS ? "add" : tabs==ASIS ? "asis" : "remove") +
" eof=" + (ctrlz==ADD ? "add" : ctrlz==ASIS ? "asis" : "remove") +
" tablength=" + tablength,
@@ -345,7 +345,7 @@ public class FixCRLF extends MatchingTask {
String[] files = ds.getIncludedFiles();

for (int i = 0; i < files.length; i++) {
processFile(files[i]);
processFile(files[i]);
}
}

@@ -363,12 +363,12 @@ public class FixCRLF extends MatchingTask {
}

private void processFile(String file) throws BuildException {
File srcFile = new File(srcDir, file);
File tmpFile = null;
File srcFile = new File(srcDir, file);
File tmpFile = null;
BufferedWriter outWriter;
OneLiner.BufferLine line;

// read the contents of the file
// read the contents of the file
OneLiner lines = new OneLiner(srcFile);

try {
@@ -507,17 +507,34 @@ public class FixCRLF extends MatchingTask {
File destFile = new File(destDir == null ? srcDir : destDir,
file);

try {
lines.close();
lines = null;
}
catch (IOException e) {
throw new BuildException("Unable to close source file " + srcFile);
}
if (destFile.exists()) {
if (!destFile.delete()) {
throw new BuildException("Unable to delete " + destFile);
}
}
if (!tmpFile.renameTo(destFile)) {
throw new BuildException("Failed to transform " + srcFile
+ " to " + destFile
+ ". Couldn't rename temporary file.");
+ ". Couldn't rename temporary file: " + tmpFile);
} else {
tmpFile = null;
}

} finally {
try {
lines.close();
if (lines != null) {
lines.close();
}
} catch (IOException io) {
log("Error closing "+srcFile, Project.MSG_ERR);
} // end of catch
@@ -596,13 +613,13 @@ public class FixCRLF extends MatchingTask {
* before the terminator is found.
*/
private void endOfCharConst(OneLiner.BufferLine bufline, char terminator)
throws BuildException
throws BuildException
{
int ptr = bufline.getNext();
int eol = bufline.length();
int eol = bufline.length();
char c;
ptr++; // skip past initial quote
while (ptr < eol) {
ptr++; // skip past initial quote
while (ptr < eol) {
if ((c = bufline.getChar(ptr++)) == '\\') {
ptr++;
}
@@ -612,9 +629,9 @@ public class FixCRLF extends MatchingTask {
return;
}
}
} // end of while (ptr < eol)
// Must have fallen through to the end of the line
throw new BuildException("endOfCharConst: unterminated char constant");
} // end of while (ptr < eol)
// Must have fallen through to the end of the line
throw new BuildException("endOfCharConst: unterminated char constant");
}


@@ -630,64 +647,64 @@ public class FixCRLF extends MatchingTask {
* @param BufferedWriter outWriter Sink for the processed string
*/
private void notInConstant(OneLiner.BufferLine bufline, int end,
BufferedWriter outWriter)
BufferedWriter outWriter)
{
// N.B. both column and string index are zero-based
// Process a string not part of a constant;
// i.e. convert tabs<->spaces as required
// This is NOT called for ASIS tab handling
int nextTab;
// N.B. both column and string index are zero-based
// Process a string not part of a constant;
// i.e. convert tabs<->spaces as required
// This is NOT called for ASIS tab handling
int nextTab;
int nextStop;
int tabspaces;
String line = bufline.substring(bufline.getNext(), end);
int place = 0; // Zero-based
int col = bufline.getColumn(); // Zero-based
// process sequences of white space
// first convert all tabs to spaces
linebuf.setLength(0);
while ((nextTab = line.indexOf((int) '\t', place)) >= 0) {
linebuf.append(line.substring(place, nextTab)); // copy to the TAB
col += nextTab - place;
tabspaces = tablength - (col % tablength);
linebuf.append(spaces.substring(0, tabspaces));
col += tabspaces;
place = nextTab + 1;
} // end of while
linebuf.append(line.substring(place, line.length()));
// if converting to spaces, all finished
String linestring = new String(linebuf.toString());
if (tabs == REMOVE) {
String line = bufline.substring(bufline.getNext(), end);
int place = 0; // Zero-based
int col = bufline.getColumn(); // Zero-based
// process sequences of white space
// first convert all tabs to spaces
linebuf.setLength(0);
while ((nextTab = line.indexOf((int) '\t', place)) >= 0) {
linebuf.append(line.substring(place, nextTab)); // copy to the TAB
col += nextTab - place;
tabspaces = tablength - (col % tablength);
linebuf.append(spaces.substring(0, tabspaces));
col += tabspaces;
place = nextTab + 1;
} // end of while
linebuf.append(line.substring(place, line.length()));
// if converting to spaces, all finished
String linestring = new String(linebuf.toString());
if (tabs == REMOVE) {
try {
outWriter.write(linestring);
} catch (IOException e) {
throw new BuildException(e);
} // end of try-catch
}
else { // tabs == ADD
}
else { // tabs == ADD
int tabCol;
linebuf2.setLength(0);
place = 0;
col = bufline.getColumn();
int placediff = col - 0;
// for the length of the string, cycle through the tab stop
// positions, checking for a space preceded by at least one
// other space at the tab stop. if so replace the longest possible
// preceding sequence of spaces with a tab.
nextStop = col + (tablength - col % tablength);
if (nextStop - col < 2) {
linebuf2.setLength(0);
place = 0;
col = bufline.getColumn();
int placediff = col - 0;
// for the length of the string, cycle through the tab stop
// positions, checking for a space preceded by at least one
// other space at the tab stop. if so replace the longest possible
// preceding sequence of spaces with a tab.
nextStop = col + (tablength - col % tablength);
if (nextStop - col < 2) {
linebuf2.append(linestring.substring(
place, nextStop - placediff));
place = nextStop - placediff;
nextStop += tablength;
}
for ( ; nextStop - placediff <= linestring.length()
; nextStop += tablength)
{
for (tabCol = nextStop;
nextStop += tablength;
}
for ( ; nextStop - placediff <= linestring.length()
; nextStop += tablength)
{
for (tabCol = nextStop;
--tabCol - placediff >= place
&& linestring.charAt(tabCol - placediff) == ' '
&& linestring.charAt(tabCol - placediff) == ' '
;)
{
; // Loop for the side-effects
@@ -707,8 +724,8 @@ public class FixCRLF extends MatchingTask {
place = nextStop - placediff;
} // end of for (nextStop ... )

// pick up that last bit, if any
linebuf2.append(linestring.substring(place, linestring.length()));
// pick up that last bit, if any
linebuf2.append(linestring.substring(place, linestring.length()));

try {
outWriter.write(linebuf2.toString());
@@ -716,11 +733,11 @@ public class FixCRLF extends MatchingTask {
throw new BuildException(e);
} // end of try-catch
} // end of else tabs == ADD
} // end of else tabs == ADD

// Set column position as modified by this method
bufline.setColumn(bufline.getColumn() + linestring.length());
bufline.setNext(end);
// Set column position as modified by this method
bufline.setColumn(bufline.getColumn() + linestring.length());
bufline.setNext(end);

}

@@ -730,101 +747,101 @@ public class FixCRLF extends MatchingTask {
private int state = javafiles ? LOOKING : NOTJAVA;

private StringBuffer eolStr = new StringBuffer(LINEBUFLEN);
private StringBuffer eofStr = new StringBuffer();
private StringBuffer eofStr = new StringBuffer();

private BufferedReader reader;
private String line;
private BufferedReader reader;
private String line;

public OneLiner(File srcFile)
public OneLiner(File srcFile)
throws BuildException
{
try {
reader = new BufferedReader
(new FileReader(srcFile), INBUFLEN);
nextLine();
} catch (IOException e) {
throw new BuildException(e);
}
}
protected void nextLine()
throws BuildException {
int ch;
int eolcount = 0;
eolStr.setLength(0);
try {
int linelen;
reader.mark(INBUFLEN);
line = reader.readLine();
if (line == null) {
// Eof has been reached
linelen = 0;
}
else {
linelen = line.length();
}
// Find the EOL character(s)
reader.reset();
// an IOException will be thrown
reader.skip((long)linelen);
reader.mark(INBUFLEN);
ch = reader.read();
switch ((char) ch) {
case '\r':
// Check for \r, \r\n and \r\r\n
// Regard \r\r not followed by \n as two lines
++eolcount;
eolStr.append('\r');
switch ((char)(ch = reader.read())) {
case '\r':
if ((char)(ch = reader.read()) == '\n') {
eolcount += 2;
eolStr.append("\r\n");
}
break;
case '\n':
++eolcount;
eolStr.append('\n');
break;
} // end of switch ((char)(ch = reader.read()))
break;
case '\n':
++eolcount;
eolStr.append('\n');
break;
} // end of switch ((char) ch)
// Reset the position of the file reader
reader.reset();
reader.skip((long)eolcount);
// if at eolcount == 0 and trailing characters of string
// are CTRL-Zs, set eofStr
if (line != null && eolcount == 0) {
int i = linelen;
while (--i >= 0 && line.charAt(i) == CTRLZ) {}
if (i < linelen - 1) {
// Trailing characters are ^Zs
// Construct new line and eofStr
eofStr.append(line.substring(i + 1));
line = i < 0 ? null : line.substring(0, i + 1);
}
} // end of if (eolcount == 0)
} catch (IOException e) {
throw new BuildException(e);
}
}
{
try {
reader = new BufferedReader
(new FileReader(srcFile), INBUFLEN);
nextLine();
} catch (IOException e) {
throw new BuildException(e);
}
}
protected void nextLine()
throws BuildException {
int ch;
int eolcount = 0;
eolStr.setLength(0);
try {
int linelen;
reader.mark(INBUFLEN);
line = reader.readLine();
if (line == null) {
// Eof has been reached
linelen = 0;
}
else {
linelen = line.length();
}
// Find the EOL character(s)
reader.reset();
// an IOException will be thrown
reader.skip((long)linelen);
reader.mark(INBUFLEN);
ch = reader.read();
switch ((char) ch) {
case '\r':
// Check for \r, \r\n and \r\r\n
// Regard \r\r not followed by \n as two lines
++eolcount;
eolStr.append('\r');
switch ((char)(ch = reader.read())) {
case '\r':
if ((char)(ch = reader.read()) == '\n') {
eolcount += 2;
eolStr.append("\r\n");
}
break;
case '\n':
++eolcount;
eolStr.append('\n');
break;
} // end of switch ((char)(ch = reader.read()))
break;
case '\n':
++eolcount;
eolStr.append('\n');
break;
} // end of switch ((char) ch)
// Reset the position of the file reader
reader.reset();
reader.skip((long)eolcount);
// if at eolcount == 0 and trailing characters of string
// are CTRL-Zs, set eofStr
if (line != null && eolcount == 0) {
int i = linelen;
while (--i >= 0 && line.charAt(i) == CTRLZ) {}
if (i < linelen - 1) {
// Trailing characters are ^Zs
// Construct new line and eofStr
eofStr.append(line.substring(i + 1));
line = i < 0 ? null : line.substring(0, i + 1);
}
} // end of if (eolcount == 0)
} catch (IOException e) {
throw new BuildException(e);
}
}

public String getEofStr() {
return eofStr.toString();
@@ -838,22 +855,22 @@ public class FixCRLF extends MatchingTask {
this.state = state;
}

public boolean hasMoreElements()
{
return line != null;
}
public Object nextElement()
throws NoSuchElementException
{
if (! hasMoreElements()) {
throw new NoSuchElementException("OneLiner");
}
BufferLine tmpLine =
new BufferLine(line, eolStr.toString());
nextLine();
return tmpLine;
}
public boolean hasMoreElements()
{
return line != null;
}
public Object nextElement()
throws NoSuchElementException
{
if (! hasMoreElements()) {
throw new NoSuchElementException("OneLiner");
}
BufferLine tmpLine =
new BufferLine(line, eolStr.toString());
nextLine();
return tmpLine;
}

public void close() throws IOException {
if (reader != null) {
@@ -861,94 +878,94 @@ public class FixCRLF extends MatchingTask {
}
}

class BufferLine {
private int next = 0;
private int column = 0;
private int lookahead = UNDEF;
private String line;
private String eolStr;
public BufferLine(String line, String eolStr)
throws BuildException
{
next = 0;
column = 0;
this.line = line;
this.eolStr = eolStr;
}
public int getNext() {
return next;
}
public void setNext(int next) {
this.next = next;
}
public int getLookahead() {
return lookahead;
}
public void setLookahead(int lookahead) {
this.lookahead = lookahead;
}
public char getChar(int i) {
return line.charAt(i);
}
public char getNextChar() {
return getChar(next);
}
public char getNextCharInc() {
return getChar(next++);
}
public int getColumn() {
return column;
}
public void setColumn(int col) {
column = col;
}
public int incColumn() {
return column++;
}
public int length() {
return line.length();
}
public int getEolLength() {
return eolStr.length();
}
public String getLineString() {
return line;
}
public String getEol() {
return eolStr;
}
public String substring(int begin) {
return line.substring(begin);
}
public String substring(int begin, int end) {
return line.substring(begin, end);
}
public void setState(int state) {
OneLiner.this.setState(state);
}
public int getState() {
return OneLiner.this.getState();
}
}
class BufferLine {
private int next = 0;
private int column = 0;
private int lookahead = UNDEF;
private String line;
private String eolStr;
public BufferLine(String line, String eolStr)
throws BuildException
{
next = 0;
column = 0;
this.line = line;
this.eolStr = eolStr;
}
public int getNext() {
return next;
}
public void setNext(int next) {
this.next = next;
}
public int getLookahead() {
return lookahead;
}
public void setLookahead(int lookahead) {
this.lookahead = lookahead;
}
public char getChar(int i) {
return line.charAt(i);
}
public char getNextChar() {
return getChar(next);
}
public char getNextCharInc() {
return getChar(next++);
}
public int getColumn() {
return column;
}
public void setColumn(int col) {
column = col;
}
public int incColumn() {
return column++;
}
public int length() {
return line.length();
}
public int getEolLength() {
return eolStr.length();
}
public String getLineString() {
return line;
}
public String getEol() {
return eolStr;
}
public String substring(int begin) {
return line.substring(begin);
}
public String substring(int begin, int end) {
return line.substring(begin, end);
}
public void setState(int state) {
OneLiner.this.setState(state);
}
public int getState() {
return OneLiner.this.getState();
}
}
}

/**
@@ -964,9 +981,9 @@ public class FixCRLF extends MatchingTask {
* Enumerated attribute with the values "asis", "cr", "lf" and "crlf".
*/
public static class CrLf extends EnumeratedAttribute {
public String[] getValues() {
return new String[] {"asis", "cr", "lf", "crlf"};
}
public String[] getValues() {
return new String[] {"asis", "cr", "lf", "crlf"};
}
}

}

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