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Made <copy> and <move> filterchain aware. Existing <filterset> elements can live together with <filterchain> elements. However, all <filterset>s will only be processed *after* all <filterchain>s have been. 

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@271671 13f79535-47bb-0310-9956-ffa450edef68
master
Magesh Umasankar 24 years ago
parent
9a5aa0943a
commit
6885f5ccad
3 changed files with 897 additions and 4 deletions
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  1. +514
    -0
      proposal/sandbox/filterreaders/src/main/org/apache/tools/ant/taskdefs/Copy.java
  2. +312
    -0
      proposal/sandbox/filterreaders/src/main/org/apache/tools/ant/taskdefs/Move.java
  3. +71
    -4
      proposal/sandbox/filterreaders/src/main/org/apache/tools/ant/util/FileUtils.java

+ 514
- 0
proposal/sandbox/filterreaders/src/main/org/apache/tools/ant/taskdefs/Copy.java View File

@@ -0,0 +1,514 @@
/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000-2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Ant", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/

package org.apache.tools.ant.taskdefs;

import org.apache.tools.ant.Task;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.DirectoryScanner;
import org.apache.tools.ant.types.FileSet;
import org.apache.tools.ant.types.Mapper;
import org.apache.tools.ant.types.FilterChain;
import org.apache.tools.ant.types.FilterSet;
import org.apache.tools.ant.types.FilterSetCollection;
import org.apache.tools.ant.util.FileUtils;
import org.apache.tools.ant.util.FileNameMapper;
import org.apache.tools.ant.util.FlatFileNameMapper;
import org.apache.tools.ant.util.IdentityMapper;
import org.apache.tools.ant.util.SourceFileScanner;

import java.io.File;
import java.io.IOException;
import java.util.Vector;
import java.util.Hashtable;
import java.util.Enumeration;

/**
* A consolidated copy task. Copies a file or directory to a new file
* or directory. Files are only copied if the source file is newer
* than the destination file, or when the destination file does not
* exist. It is possible to explicitly overwrite existing files.</p>
*
* <p>This implementation is based on Arnout Kuiper's initial design
* document, the following mailing list discussions, and the
* copyfile/copydir tasks.</p>
*
* @author Glenn McAllister <a href="mailto:glennm@ca.ibm.com">glennm@ca.ibm.com</a>
* @author <a href="mailto:stefan.bodewig@epost.de">Stefan Bodewig</a>
* @author <A href="gholam@xtra.co.nz">Michael McCallum</A>
* @author <a href="mailto:umagesh@rediffmail.com">Magesh Umasankar</a>
*
* @version $Revision$
*
* @ant:task category="filesystem"
*/
public class Copy extends Task {
protected File file = null; // the source file
protected File destFile = null; // the destination file
protected File destDir = null; // the destination directory
protected Vector filesets = new Vector();

protected boolean filtering = false;
protected boolean preserveLastModified = false;
protected boolean forceOverwrite = false;
protected boolean flatten = false;
protected int verbosity = Project.MSG_VERBOSE;
protected boolean includeEmpty = true;

protected Hashtable fileCopyMap = new Hashtable();
protected Hashtable dirCopyMap = new Hashtable();
protected Hashtable completeDirMap = new Hashtable();

protected Mapper mapperElement = null;
private Vector filterChains = new Vector();
private Vector filterSets = new Vector();
private FileUtils fileUtils;
private String encoding = null;

public Copy() {
fileUtils = FileUtils.newFileUtils();
}

protected FileUtils getFileUtils() {return fileUtils;}

/**
* Sets a single source file to copy.
*/
public void setFile(File file) {
this.file = file;
}

/**
* Sets the destination file.
*/
public void setTofile(File destFile) {
this.destFile = destFile;
}

/**
* Sets the destination directory.
*/
public void setTodir(File destDir) {
this.destDir = destDir;
}

/**
* Create a nested filterchain
*/
public FilterChain createFilterChain() {
FilterChain filterChain = new FilterChain();
filterChains.addElement(filterChain);
return filterChain;
}

/**
* Create a nested filterset
*/
public FilterSet createFilterSet() {
FilterSet filterSet = new FilterSet();
filterSets.addElement(filterSet);
return filterSet;
}

/**
* Give the copied files the same last modified time as the original files.
* @deprecated setPreserveLastModified(String) has been deprecated and
* replaced with setPreserveLastModified(boolean) to
* consistently let the Introspection mechanism work.
*/
public void setPreserveLastModified(String preserve) {
setPreserveLastModified(Project.toBoolean(preserve));
}

/**
* Give the copied files the same last modified time as the original files.
*/
public void setPreserveLastModified(boolean preserve) {
preserveLastModified = preserve;
}

/**
* Whether to give the copied files the same last modified time as
* the original files.
*
* @since 1.32, Ant 1.5
*/
public boolean getPreserveLastModified() {
return preserveLastModified;
}

/**
* Get the filtersets being applied to this operation.
*
* @return a vector of FilterSet objects
*/
protected Vector getFilterSets() {
return filterSets;
}

/**
* Get the filterchains being applied to this operation.
*
* @return a vector of FilterChain objects
*/
protected Vector getFilterChains() {
return filterChains;
}

/**
* Sets filtering.
*/
public void setFiltering(boolean filtering) {
this.filtering = filtering;
}

/**
* Overwrite any existing destination file(s).
*/
public void setOverwrite(boolean overwrite) {
this.forceOverwrite = overwrite;
}

/**
* When copying directory trees, the files can be "flattened"
* into a single directory. If there are multiple files with
* the same name in the source directory tree, only the first
* file will be copied into the "flattened" directory, unless
* the forceoverwrite attribute is true.
*/
public void setFlatten(boolean flatten) {
this.flatten = flatten;
}

/**
* Used to force listing of all names of copied files.
*/
public void setVerbose(boolean verbose) {
if (verbose) {
this.verbosity = Project.MSG_INFO;
} else {
this.verbosity = Project.MSG_VERBOSE;
}
}

/**
* Used to copy empty directories.
*/
public void setIncludeEmptyDirs(boolean includeEmpty) {
this.includeEmpty = includeEmpty;
}

/**
* Adds a set of files (nested fileset attribute).
*/
public void addFileset(FileSet set) {
filesets.addElement(set);
}

/**
* Defines the FileNameMapper to use (nested mapper element).
*/
public Mapper createMapper() throws BuildException {
if (mapperElement != null) {
throw new BuildException("Cannot define more than one mapper",
location);
}
mapperElement = new Mapper(project);
return mapperElement;
}

/**
* Sets the character encoding
*
* @since 1.32, Ant 1.5
*/
public void setEncoding (String encoding) {
this.encoding = encoding;
}

/**
* @return the character encoding, <code>null</code> if not set.
*
* @since 1.32, Ant 1.5
*/
public String getEncoding() {
return encoding;
}

/**
* Performs the copy operation.
*/
public void execute() throws BuildException {
// make sure we don't have an illegal set of options
validateAttributes();

// deal with the single file
if (file != null) {
if (file.exists()) {
if (destFile == null) {
destFile = new File(destDir, file.getName());
}

if (forceOverwrite ||
(file.lastModified() > destFile.lastModified())) {
fileCopyMap.put(file.getAbsolutePath(), destFile.getAbsolutePath());
} else {
log(file + " omitted as " + destFile + " is up to date.",
Project.MSG_VERBOSE);
}
} else {
String message = "Could not find file "
+ file.getAbsolutePath() + " to copy.";
log(message);
throw new BuildException(message);
}
}

// deal with the filesets
for (int i=0; i<filesets.size(); i++) {
FileSet fs = (FileSet) filesets.elementAt(i);
DirectoryScanner ds = fs.getDirectoryScanner(project);
File fromDir = fs.getDir(project);

String[] srcFiles = ds.getIncludedFiles();
String[] srcDirs = ds.getIncludedDirectories();
boolean isEverythingIncluded = ds.isEverythingIncluded();
if (isEverythingIncluded
&& !flatten && mapperElement == null) {
completeDirMap.put(fromDir, destDir);
}
scan(fromDir, destDir, srcFiles, srcDirs);
}

// do all the copy operations now...
doFileOperations();

// clean up destDir again - so this instance can be used a second
// time without throwing an exception
if (destFile != null) {
destDir = null;
}
fileCopyMap.clear();
dirCopyMap.clear();
completeDirMap.clear();
}

//************************************************************************
// protected and private methods
//************************************************************************

/**
* Ensure we have a consistent and legal set of attributes, and set
* any internal flags necessary based on different combinations
* of attributes.
*/
protected void validateAttributes() throws BuildException {
if (file == null && filesets.size() == 0) {
throw new BuildException("Specify at least one source - a file or a fileset.");
}

if (destFile != null && destDir != null) {
throw new BuildException("Only one of tofile and todir may be set.");
}

if (destFile == null && destDir == null) {
throw new BuildException("One of tofile or todir must be set.");
}

if (file != null && file.exists() && file.isDirectory()) {
throw new BuildException("Use a fileset to copy directories.");
}

if (destFile != null && filesets.size() > 0) {
if (filesets.size() > 1) {
throw new BuildException(
"Cannot concatenate multiple files into a single file.");
} else {
FileSet fs = (FileSet) filesets.elementAt(0);
DirectoryScanner ds = fs.getDirectoryScanner(project);
String[] srcFiles = ds.getIncludedFiles();

if (srcFiles.length > 0) {
if (file == null) {
file = new File(ds.getBasedir(), srcFiles[0]);
filesets.removeElementAt(0);
} else {
throw new BuildException(
"Cannot concatenate multiple files into a single file.");
}
} else {
throw new BuildException(
"Cannot perform operation from directory to file.");
}
}
}

if (destFile != null) {
destDir = new File(destFile.getParent()); // be 1.1 friendly
}

}

/**
* Compares source files to destination files to see if they should be
* copied.
*/
protected void scan(File fromDir, File toDir, String[] files, String[] dirs) {
FileNameMapper mapper = null;
if (mapperElement != null) {
mapper = mapperElement.getImplementation();
} else if (flatten) {
mapper = new FlatFileNameMapper();
} else {
mapper = new IdentityMapper();
}

buildMap(fromDir, toDir, files, mapper, fileCopyMap);

if (includeEmpty) {
buildMap(fromDir, toDir, dirs, mapper, dirCopyMap);
}
}

protected void buildMap(File fromDir, File toDir, String[] names,
FileNameMapper mapper, Hashtable map) {

String[] toCopy = null;
if (forceOverwrite) {
Vector v = new Vector();
for (int i=0; i<names.length; i++) {
if (mapper.mapFileName(names[i]) != null) {
v.addElement(names[i]);
}
}
toCopy = new String[v.size()];
v.copyInto(toCopy);
} else {
SourceFileScanner ds = new SourceFileScanner(this);
toCopy = ds.restrict(names, fromDir, toDir, mapper);
}

for (int i = 0; i < toCopy.length; i++) {
File src = new File(fromDir, toCopy[i]);
File dest = new File(toDir, mapper.mapFileName(toCopy[i])[0]);
map.put( src.getAbsolutePath(), dest.getAbsolutePath() );
}
}

/**
* Actually does the file (and possibly empty directory) copies.
* This is a good method for subclasses to override.
*/
protected void doFileOperations() {
if (fileCopyMap.size() > 0) {
log("Copying " + fileCopyMap.size() +
" file" + (fileCopyMap.size() == 1 ? "" : "s") +
" to " + destDir.getAbsolutePath() );

Enumeration e = fileCopyMap.keys();
while (e.hasMoreElements()) {
String fromFile = (String) e.nextElement();
String toFile = (String) fileCopyMap.get(fromFile);

if( fromFile.equals( toFile ) ) {
log("Skipping self-copy of " + fromFile, verbosity);
continue;
}

try {
log("Copying " + fromFile + " to " + toFile, verbosity);

FilterSetCollection executionFilters = new FilterSetCollection();
if (filtering) {
executionFilters.addFilterSet(project.getGlobalFilterSet());
}
for (Enumeration filterEnum = filterSets.elements(); filterEnum.hasMoreElements();) {
executionFilters.addFilterSet((FilterSet)filterEnum.nextElement());
}
fileUtils.copyFile(fromFile, toFile, executionFilters, filterChains,
forceOverwrite, preserveLastModified,
encoding, project);
} catch (IOException ioe) {
String msg = "Failed to copy " + fromFile + " to " + toFile
+ " due to " + ioe.getMessage();
throw new BuildException(msg, ioe, location);
}
}
}

if (includeEmpty) {
Enumeration e = dirCopyMap.elements();
int count = 0;
while (e.hasMoreElements()) {
File d = new File((String)e.nextElement());
if (!d.exists()) {
if (!d.mkdirs()) {
log("Unable to create directory " + d.getAbsolutePath(), Project.MSG_ERR);
} else {
count++;
}
}
}

if (count > 0) {
log("Copied " + count +
" empty director" +
(count==1?"y":"ies") +
" to " + destDir.getAbsolutePath());
}
}
}

}

+ 312
- 0
proposal/sandbox/filterreaders/src/main/org/apache/tools/ant/taskdefs/Move.java View File

@@ -0,0 +1,312 @@
/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000-2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Ant", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/

package org.apache.tools.ant.taskdefs;

import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.types.FilterSetCollection;
import org.apache.tools.ant.types.FilterSet;
import org.apache.tools.ant.types.FileSet;

import java.io.File;
import java.io.IOException;
import java.util.Enumeration;
import java.util.Vector;

/**
* Moves a file or directory to a new file or directory. By default,
* the destination is overwriten when existing. When overwrite is
* turned off, then files are only moved if the source file is
* newer than the destination file, or when the destination file does
* not exist.</p>
*
* <p>Source files and directories are only deleted when the file or
* directory has been copied to the destination successfully. Filtering
* also works.</p>
*
* <p>This implementation is based on Arnout Kuiper's initial design
* document, the following mailing list discussions, and the
* copyfile/copydir tasks.</p>
*
* @author Glenn McAllister <a href="mailto:glennm@ca.ibm.com">glennm@ca.ibm.com</a>
* @author <a href="mailto:umagesh@rediffmail.com">Magesh Umasankar</a>
* @version $Revision$
*
* @ant:task category="filesystem"
*/
public class Move extends Copy {

private Vector filterSets = null;
private Vector filterChains = null;

public Move() {
super();
forceOverwrite = true;
}

//************************************************************************
// protected and private methods
//************************************************************************

protected void doFileOperations() {
filterSets = getFilterSets();
filterChains = getFilterChains();

//Attempt complete directory renames, if any, first.
if (completeDirMap.size() > 0) {
Enumeration e = completeDirMap.keys();
while (e.hasMoreElements()) {
File fromDir = (File) e.nextElement();
File toDir = (File) completeDirMap.get(fromDir);
try {
log("Attempting to rename dir: " + fromDir +
" to " + toDir, verbosity);
renameFile(fromDir, toDir, filtering, forceOverwrite);
} catch (IOException ioe) {
String msg = "Failed to rename dir " + fromDir
+ " to " + toDir
+ " due to " + ioe.getMessage();
throw new BuildException(msg, ioe, location);
}
}
}
if (fileCopyMap.size() > 0) { // files to move
log("Moving " + fileCopyMap.size() + " files to " +
destDir.getAbsolutePath() );

Enumeration e = fileCopyMap.keys();
while (e.hasMoreElements()) {
String fromFile = (String) e.nextElement();
String toFile = (String) fileCopyMap.get(fromFile);

if( fromFile.equals( toFile ) ) {
log("Skipping self-move of " + fromFile, verbosity);
continue;
}

boolean moved = false;
File f = new File(fromFile);

if (f.exists()) { //Is this file still available to be moved?
File d = new File(toFile);

try {
log("Attempting to rename: " + fromFile +
" to " + toFile, verbosity);
moved = renameFile(f, d, filtering, forceOverwrite);
} catch (IOException ioe) {
String msg = "Failed to rename " + fromFile
+ " to " + toFile
+ " due to " + ioe.getMessage();
throw new BuildException(msg, ioe, location);
}

if (!moved) {
try {
log("Moving " + fromFile + " to " + toFile, verbosity);

FilterSetCollection executionFilters = new FilterSetCollection();
if (filtering) {
executionFilters.addFilterSet(project.getGlobalFilterSet());
}
for (Enumeration filterEnum = getFilterSets().elements(); filterEnum.hasMoreElements();) {
executionFilters.addFilterSet((FilterSet)filterEnum.nextElement());
}
getFileUtils().copyFile(f, d, executionFilters, filterChains,
forceOverwrite,
getPreserveLastModified(),
getEncoding(), project);

f = new File(fromFile);
if (!f.delete()) {
throw new BuildException("Unable to delete file "
+ f.getAbsolutePath());
}
} catch (IOException ioe) {
String msg = "Failed to copy " + fromFile + " to "
+ toFile
+ " due to " + ioe.getMessage();
throw new BuildException(msg, ioe, location);
}
}
}
}
}

if (includeEmpty) {
Enumeration e = dirCopyMap.elements();
int count = 0;
while (e.hasMoreElements()) {
File d = new File((String)e.nextElement());
if (!d.exists()) {
if (!d.mkdirs()) {
log("Unable to create directory " + d.getAbsolutePath(), Project.MSG_ERR);
} else {
count++;
}
}
}

if (count > 0) {
log("Moved " + count + " empty directories to " + destDir.getAbsolutePath());
}
}

if (filesets.size() > 0) {
Enumeration e = filesets.elements();
while (e.hasMoreElements()) {
FileSet fs = (FileSet)e.nextElement();
File dir = fs.getDir(project);

if (okToDelete(dir)) {
deleteDir(dir);
}
}
}
}

/**
* Its only ok to delete a directory tree if there are
* no files in it.
*/
protected boolean okToDelete(File d) {
String[] list = d.list();
if (list == null) {
return false;
} // maybe io error?

for (int i = 0; i < list.length; i++) {
String s = list[i];
File f = new File(d, s);
if (f.isDirectory()) {
if (!okToDelete(f)) {
return false;
}
} else {
return false; // found a file
}
}

return true;
}

/**
* Go and delete the directory tree.
*/
protected void deleteDir(File d) {
String[] list = d.list();
if (list == null) {
return;
} // on an io error list() can return null

for (int i = 0; i < list.length; i++) {
String s = list[i];
File f = new File(d, s);
if (f.isDirectory()) {
deleteDir(f);
} else {
throw new BuildException("UNEXPECTED ERROR - The file " + f.getAbsolutePath() + " should not exist!");
}
}
log("Deleting directory " + d.getAbsolutePath(), verbosity);
if (!d.delete()) {
throw new BuildException("Unable to delete directory " + d.getAbsolutePath());
}
}

/**
* Attempts to rename a file from a source to a destination.
* If overwrite is set to true, this method overwrites existing file
* even if the destination file is newer. Otherwise, the source file is
* renamed only if the destination file is older than it.
* Method then checks if token filtering is used. If it is, this method
* returns false assuming it is the responsibility to the copyFile method.
*
* @throws IOException
*/
protected boolean renameFile(File sourceFile, File destFile,
boolean filtering, boolean overwrite)
throws IOException, BuildException {

boolean renamed = true;
if ((filterSets != null && filterSets.size() > 0) ||
(filterChains != null && filterChains.size() > 0)) {
renamed = false;
} else {
if (!filtering) {
// ensure that parent dir of dest file exists!
// not using getParentFile method to stay 1.1 compat
String parentPath = destFile.getParent();
if (parentPath != null) {
File parent = new File(parentPath);
if (!parent.exists()) {
parent.mkdirs();
}
}

if (destFile.exists()) {
if (!destFile.delete()) {
throw new BuildException("Unable to remove existing file "
+ destFile);
}
}
renamed = sourceFile.renameTo(destFile);
} else {
renamed = false;
}
}
return renamed;
}
}

+ 71
- 4
proposal/sandbox/filterreaders/src/main/org/apache/tools/ant/util/FileUtils.java View File

@@ -73,9 +73,11 @@ import java.text.DecimalFormat;
import java.util.Random; import java.util.Random;
import java.util.Stack; import java.util.Stack;
import java.util.StringTokenizer; import java.util.StringTokenizer;
import java.util.Vector;


import org.apache.tools.ant.BuildException; import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project; import org.apache.tools.ant.Project;
import org.apache.tools.ant.filters.util.ChainReaderHelper;
import org.apache.tools.ant.types.FilterSetCollection; import org.apache.tools.ant.types.FilterSetCollection;


/** /**
@@ -87,6 +89,7 @@ import org.apache.tools.ant.types.FilterSetCollection;
* @author duncan@x180.com * @author duncan@x180.com
* @author <a href="mailto:conor@apache.org">Conor MacNeill</a> * @author <a href="mailto:conor@apache.org">Conor MacNeill</a>
* @author <a href="mailto:stefan.bodewig@epost.de">Stefan Bodewig</a> * @author <a href="mailto:stefan.bodewig@epost.de">Stefan Bodewig</a>
* @author <a href="mailto:umagesh@apache.org">Magesh Umasankar</a>
* *
* @version $Revision$ * @version $Revision$
*/ */
@@ -178,6 +181,28 @@ public class FileUtils {
overwrite, preserveLastModified, encoding); overwrite, preserveLastModified, encoding);
} }


/**
* Convienence method to copy a file from a source to a
* destination specifying if token filtering must be used, if
* filter chains must be used, if source files may overwrite
* newer destination files and the last modified time of
* <code>destFile</code> file should be made equal
* to the last modified time of <code>sourceFile</code>.
*
* @throws IOException
*
* @since 1.15, Ant 1.5
*/
public void copyFile(String sourceFile, String destFile,
FilterSetCollection filters, Vector filterChains,
boolean overwrite, boolean preserveLastModified,
String encoding, Project project)
throws IOException {
copyFile(new File(sourceFile), new File(destFile), filters,
filterChains, overwrite, preserveLastModified,
encoding, project);
}

/** /**
* Convienence method to copy a file from a source to a destination. * Convienence method to copy a file from a source to a destination.
* No filtering is performed. * No filtering is performed.
@@ -243,6 +268,27 @@ public class FileUtils {
FilterSetCollection filters, boolean overwrite, FilterSetCollection filters, boolean overwrite,
boolean preserveLastModified, String encoding) boolean preserveLastModified, String encoding)
throws IOException { throws IOException {
copyFile(sourceFile, destFile, filters, null, overwrite,
preserveLastModified, encoding, null);
}

/**
* Convienence method to copy a file from a source to a
* destination specifying if token filtering must be used, if
* filter chains must be used, if source files may overwrite
* newer destination files and the last modified time of
* <code>destFile</code> file should be made equal
* to the last modified time of <code>sourceFile</code>.
*
* @throws IOException
*
* @since 1.15, Ant 1.5
*/
public void copyFile(File sourceFile, File destFile,
FilterSetCollection filters, Vector filterChains,
boolean overwrite, boolean preserveLastModified,
String encoding, Project project)
throws IOException {


if (overwrite || !destFile.exists() || if (overwrite || !destFile.exists() ||
destFile.lastModified() < sourceFile.lastModified()) { destFile.lastModified() < sourceFile.lastModified()) {
@@ -258,7 +304,12 @@ public class FileUtils {
parent.mkdirs(); parent.mkdirs();
} }


if (filters != null && filters.hasFilters()) {
final boolean filterSetsAvailable = (filters != null
&& filters.hasFilters());
final boolean filterChainsAvailable = (filterChains != null
&& filterChains.size() > 0);

if (filterSetsAvailable || filterChainsAvailable) {
BufferedReader in = null; BufferedReader in = null;
BufferedWriter out = null; BufferedWriter out = null;


@@ -266,8 +317,20 @@ public class FileUtils {
in = new BufferedReader(new FileReader(sourceFile)); in = new BufferedReader(new FileReader(sourceFile));
out = new BufferedWriter(new FileWriter(destFile)); out = new BufferedWriter(new FileWriter(destFile));
} else { } else {
in = new BufferedReader(new InputStreamReader(new FileInputStream(sourceFile), encoding));
out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(destFile), encoding));
in = new BufferedReader(new InputStreamReader(
new FileInputStream(sourceFile), encoding));
out = new BufferedWriter(new OutputStreamWriter(
new FileOutputStream(destFile), encoding));
}

if (filterChainsAvailable) {
ChainReaderHelper crh = new ChainReaderHelper();
crh.setBufferSize(8192);
crh.setPrimaryReader(in);
crh.setFilterChains(filterChains);
crh.setProject(project);
Reader rdr = crh.getAssembledReader();
in = new BufferedReader(rdr);
} }


int length; int length;
@@ -277,7 +340,11 @@ public class FileUtils {
if (line.length() == 0) { if (line.length() == 0) {
out.newLine(); out.newLine();
} else { } else {
newline = filters.replaceTokens(line);
if (filterSetsAvailable) {
newline = filters.replaceTokens(line);
} else {
newline = line;
}
out.write(newline); out.write(newline);
out.newLine(); out.newLine();
} }


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