diff --git a/WHATSNEW b/WHATSNEW index ac41aa882..d202a74d5 100644 --- a/WHATSNEW +++ b/WHATSNEW @@ -12,7 +12,7 @@ Other changes: * A GUI Frontend: Antidote -* New tasks: propertyfile, depend, antlr, telnet, csc, ilasm +* New tasks: propertyfile, depend, antlr, telnet, csc, ilasm, transform * Added output attribute to . diff --git a/src/main/org/apache/tools/ant/taskdefs/Transform.java b/src/main/org/apache/tools/ant/taskdefs/Transform.java new file mode 100644 index 000000000..4573358fe --- /dev/null +++ b/src/main/org/apache/tools/ant/taskdefs/Transform.java @@ -0,0 +1,246 @@ +/* + * The Apache Software License, Version 1.1 + * + * Copyright (c) 2000 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", "Tomcat", 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 + * . + */ + +package org.apache.tools.ant.taskdefs; + +import java.io.File; +import java.util.Hashtable; +import java.util.Vector; + +import org.apache.tools.ant.*; +import org.apache.tools.ant.types.*; +import org.apache.tools.ant.util.*; + +/** + * Executes a given command, supplying a set of files as arguments. + * + *

Only those files that are newer than their corresponding target + * files will be handeled, the rest will be ignored.

+ * + * @author Stefan Bodewig + */ +public class Transform extends ExecuteOn { + + protected Commandline.Marker targetFilePos = null; + protected Mapper mapperElement = null; + protected FileNameMapper mapper = null; + protected File destDir = null; + + /** + * Has <srcfile> been specified before <targetfile> + */ + protected boolean srcIsFirst = true; + + /** + * Set the destination directory. + */ + public void setDest(File destDir) { + this.destDir = destDir; + } + + /** + * Marker that indicates where the name of the target file should + * be put on the command line. + */ + public Commandline.Marker createTargetfile() { + if (targetFilePos != null) { + throw new BuildException(taskType + " doesn\'t support multiple targetfile elements.", + location); + } + targetFilePos = cmdl.createMarker(); + srcIsFirst = (srcFilePos != null); + return targetFilePos; + } + + /** + * 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; + } + + protected void checkConfiguration() { + super.checkConfiguration(); + if (mapperElement == null) { + throw new BuildException("no mapper specified", location); + } + if (destDir == null) { + throw new BuildException("no dest attribute specified", location); + } + + mapper = mapperElement.getImplementation(); + } + + /** + * Return the list of files from this DirectoryScanner that should + * be included on the command line - i.e. only those that are + * newer than the corresponding target files. + */ + protected String[] getFiles(File baseDir, DirectoryScanner ds) { + SourceFileScanner sfs = new SourceFileScanner(this); + return sfs.restrict(ds.getIncludedFiles(), baseDir, destDir, mapper); + } + + /** + * Return the list of Directories from this DirectoryScanner that + * should be included on the command line - i.e. only those that + * are newer than the corresponding target files. + */ + protected String[] getDirs(File baseDir, DirectoryScanner ds) { + SourceFileScanner sfs = new SourceFileScanner(this); + return sfs.restrict(ds.getIncludedDirectories(), baseDir, destDir, + mapper); + } + + /** + * Construct the command line for parallel execution. + * + * @param srcFiles The filenames to add to the commandline + * @param baseDir filenames are relative to this dir + */ + protected String[] getCommandline(String[] srcFiles, File baseDir) { + if (targetFilePos == null) { + return super.getCommandline(srcFiles, baseDir); + } + + Vector targets = new Vector(); + Hashtable addedFiles = new Hashtable(); + for (int i=0; i srcIndex + System.arraycopy(orig, 0, result, 0, srcIndex); + + // srcIndex --> targetIndex + System.arraycopy(orig, srcIndex, result, + srcIndex + srcFiles.length, + targetIndex - srcIndex); + + // targets are already absolute file names + System.arraycopy(targetFiles, 0, result, + targetIndex + srcFiles.length, + targetFiles.length); + + // targetIndex --> end + System.arraycopy(orig, targetIndex, result, + targetIndex + srcFiles.length + targetFiles.length, + orig.length - targetIndex); + } else { + // 0 --> targetIndex + System.arraycopy(orig, 0, result, 0, targetIndex); + + // targets are already absolute file names + System.arraycopy(targetFiles, 0, result, + targetIndex, + targetFiles.length); + + // targetIndex --> srcIndex + System.arraycopy(orig, targetIndex, result, + targetIndex + targetFiles.length, + srcIndex - targetIndex); + + // srcIndex --> end + System.arraycopy(orig, srcIndex, result, + srcIndex + srcFiles.length + targetFiles.length, + orig.length - srcIndex); + srcIndex += targetFiles.length; + } + + + for (int i=0; i < srcFiles.length; i++) { + result[srcIndex+i] = + (new File(baseDir, srcFiles[i])).getAbsolutePath(); + } + return result; + + } + + /** + * Construct the command line for serial execution. + * + * @param srcFile The filename to add to the commandline + * @param baseDir filename is relative to this dir + */ + protected String[] getCommandline(String srcFile, File baseDir) { + return getCommandline(new String[] {srcFile}, baseDir); + } + +}