src/main/org/apache/tools/ant/taskdefs/optional/Native2Ascii.java - ant - Git at Google

 /*
  * 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.optional;

 import org.apache.tools.ant.BuildException;
 import org.apache.tools.ant.DirectoryScanner;
 import org.apache.tools.ant.Project;
 import org.apache.tools.ant.taskdefs.MatchingTask;
 import org.apache.tools.ant.types.Commandline;
 import org.apache.tools.ant.types.Mapper;
 import org.apache.tools.ant.util.FileNameMapper;
 import org.apache.tools.ant.util.IdentityMapper;
 import org.apache.tools.ant.util.SourceFileScanner;

 import java.io.File;

 /**
  * Converts files from native encodings to ASCII.
  *
  * @author <a href="asudell@acm.org">Drew Sudell</a>
  * @author <a href="mailto:stefan.bodewig@epost.de">Stefan Bodewig</a>
  * @since Ant 1.2
  */
 public class Native2Ascii extends MatchingTask {

     private boolean reverse = false;  // convert from ascii back to native
     private String encoding = null;   // encoding to convert to/from
     private File srcDir = null;       // Where to find input files
     private File destDir = null;      // Where to put output files
     private String extension = null;  // Extension of output files if different

     private Mapper mapper;

     /**
      * Flag the conversion to run in the reverse sense,
      * that is Ascii to Native encoding.
      *
      * @param reverse True if the conversion is to be reversed,
      *                otherwise false;
      */
     public void setReverse(boolean reverse){
         this.reverse = reverse;
     }

     /**
      * Set the encoding to translate to/from.
      * If unset, the default encoding for the JVM is used.
      *
      * @param encoding String containing the name of the Native
      *                 encoding to convert from or to.
      */
     public void setEncoding(String encoding){
         this.encoding = encoding;
     }

     /**
      * Set the source directory in which to find files to convert.
      *
      * @param srcDir directory to find input file in.
      */
     public void setSrc(File srcDir){
         this.srcDir = srcDir;
     }


     /**
      * Set the destination directory to place converted files into.
      *
      * @param destDir directory to place output file into.
      */
     public void setDest(File destDir){
         this.destDir = destDir;
     }

     /**
      * Set the extension which converted files should have.
      * If unset, files will not be renamed.
      *
      * @param ext File extension to use for converted files.
      */
     public void setExt(String ext){
         this.extension = ext;
     }

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

     public void execute() throws BuildException {

         Commandline baseCmd = null;      // the common portion of our cmd line
         DirectoryScanner scanner = null; // Scanner to find our inputs
         String[] files;                  // list of files to process

         // default srcDir to basedir
         if (srcDir == null){
             srcDir = project.resolveFile(".");
         }

         // Require destDir
         if (destDir == null){
             throw new BuildException("The dest attribute must be set.");
         }

         // if src and dest dirs are the same, require the extension
         // to be set, so we don't stomp every file.  One could still
         // include a file with the same extension, but ....
         if (srcDir.equals(destDir) && extension == null && mapper == null){
             throw new BuildException("The ext attribute or a mapper must be set if"
                                      + " src and dest dirs are the same.");
         }

         FileNameMapper m = null;
         if (mapper == null) {
             if (extension == null) {
                 m = new IdentityMapper();
             } else {
                 m = new ExtMapper();
             }
         } else {
             m = mapper.getImplementation();
         }

         scanner = getDirectoryScanner(srcDir);
         files = scanner.getIncludedFiles();
         SourceFileScanner sfs = new SourceFileScanner(this);
         files = sfs.restrict(files, srcDir, destDir, m);
         int count = files.length;
         if (count == 0) {
             return;
         }
         String message = "Converting " + count + " file"
             + (count != 1 ? "s" : "") + " from ";
         log(message + srcDir + " to " + destDir);
         for (int i = 0; i < files.length; i++){
             convert(files[i], m.mapFileName(files[i])[0]);
         }
     }

     /**
      * Convert a single file.
      *
      * @param srcName name of the input file.
      * @param destName name of the input file.
      */
     private void convert(String srcName, String destName) throws BuildException {

         Commandline cmd = new Commandline();  // Command line to run
         File srcFile;                         // File to convert
         File destFile;                        // where to put the results

         // Set up the basic args (this could be done once, but
         // it's cleaner here)
         if (reverse){
             cmd.createArgument().setValue("-reverse");
         }

         if (encoding != null){
             cmd.createArgument().setValue("-encoding");
             cmd.createArgument().setValue(encoding);
         }

         // Build the full file names
         srcFile = new File(srcDir, srcName);
         destFile = new File(destDir, destName);

         cmd.createArgument().setFile(srcFile);
         cmd.createArgument().setFile(destFile);
         // Make sure we're not about to clobber something
         if (srcFile.equals(destFile)){
             throw new BuildException("file " + srcFile
                                      + " would overwrite its self");
         }

         // Make intermediate directories if needed
         // XXX JDK 1.1 dosen't have File.getParentFile,
         String parentName = destFile.getParent();
         if (parentName != null){
             File parentFile = new File(parentName);

             if ((!parentFile.exists()) && (!parentFile.mkdirs())){
                 throw new BuildException("cannot create parent directory "
                                          + parentName);
             }
         }

         log("converting " + srcName, Project.MSG_VERBOSE);
         sun.tools.native2ascii.Main n2a
             = new sun.tools.native2ascii.Main();
         if (!n2a.convert(cmd.getArguments())){
             throw new BuildException("conversion failed");
         }
     }

     private class ExtMapper implements FileNameMapper {

         public void setFrom(String s) {}
         public void setTo(String s) {}

         public String[] mapFileName(String fileName) {
             int lastDot = fileName.lastIndexOf('.');
             if (lastDot >= 0) {
                 return new String[] {fileName.substring(0, lastDot)
                                          + extension};
             } else {
                 return new String[] {fileName + extension};
             }
         }
     }
 }
	/*
	* 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.optional;

	import org.apache.tools.ant.BuildException;
	import org.apache.tools.ant.DirectoryScanner;
	import org.apache.tools.ant.Project;
	import org.apache.tools.ant.taskdefs.MatchingTask;
	import org.apache.tools.ant.types.Commandline;
	import org.apache.tools.ant.types.Mapper;
	import org.apache.tools.ant.util.FileNameMapper;
	import org.apache.tools.ant.util.IdentityMapper;
	import org.apache.tools.ant.util.SourceFileScanner;

	import java.io.File;

	/**
	* Converts files from native encodings to ASCII.
	*
	* @author <a href="asudell@acm.org">Drew Sudell</a>
	* @author <a href="mailto:stefan.bodewig@epost.de">Stefan Bodewig</a>
	* @since Ant 1.2
	*/
	public class Native2Ascii extends MatchingTask {

	private boolean reverse = false; // convert from ascii back to native
	private String encoding = null; // encoding to convert to/from
	private File srcDir = null; // Where to find input files
	private File destDir = null; // Where to put output files
	private String extension = null; // Extension of output files if different

	private Mapper mapper;

	/**
	* Flag the conversion to run in the reverse sense,
	* that is Ascii to Native encoding.
	*
	* @param reverse True if the conversion is to be reversed,
	* otherwise false;
	*/
	public void setReverse(boolean reverse){
	this.reverse = reverse;
	}

	/**
	* Set the encoding to translate to/from.
	* If unset, the default encoding for the JVM is used.
	*
	* @param encoding String containing the name of the Native
	* encoding to convert from or to.
	*/
	public void setEncoding(String encoding){
	this.encoding = encoding;
	}

	/**
	* Set the source directory in which to find files to convert.
	*
	* @param srcDir directory to find input file in.
	*/
	public void setSrc(File srcDir){
	this.srcDir = srcDir;
	}


	/**
	* Set the destination directory to place converted files into.
	*
	* @param destDir directory to place output file into.
	*/
	public void setDest(File destDir){
	this.destDir = destDir;
	}

	/**
	* Set the extension which converted files should have.
	* If unset, files will not be renamed.
	*
	* @param ext File extension to use for converted files.
	*/
	public void setExt(String ext){
	this.extension = ext;
	}

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

	public void execute() throws BuildException {

	Commandline baseCmd = null; // the common portion of our cmd line
	DirectoryScanner scanner = null; // Scanner to find our inputs
	String[] files; // list of files to process

	// default srcDir to basedir
	if (srcDir == null){
	srcDir = project.resolveFile(".");
	}

	// Require destDir
	if (destDir == null){
	throw new BuildException("The dest attribute must be set.");
	}

	// if src and dest dirs are the same, require the extension
	// to be set, so we don't stomp every file. One could still
	// include a file with the same extension, but ....
	if (srcDir.equals(destDir) && extension == null && mapper == null){
	throw new BuildException("The ext attribute or a mapper must be set if"
	+ " src and dest dirs are the same.");
	}

	FileNameMapper m = null;
	if (mapper == null) {
	if (extension == null) {
	m = new IdentityMapper();
	} else {
	m = new ExtMapper();
	}
	} else {
	m = mapper.getImplementation();
	}

	scanner = getDirectoryScanner(srcDir);
	files = scanner.getIncludedFiles();
	SourceFileScanner sfs = new SourceFileScanner(this);
	files = sfs.restrict(files, srcDir, destDir, m);
	int count = files.length;
	if (count == 0) {
	return;
	}
	String message = "Converting " + count + " file"
	+ (count != 1 ? "s" : "") + " from ";
	log(message + srcDir + " to " + destDir);
	for (int i = 0; i < files.length; i++){
	convert(files[i], m.mapFileName(files[i])[0]);
	}
	}

	/**
	* Convert a single file.
	*
	* @param srcName name of the input file.
	* @param destName name of the input file.
	*/
	private void convert(String srcName, String destName) throws BuildException {

	Commandline cmd = new Commandline(); // Command line to run
	File srcFile; // File to convert
	File destFile; // where to put the results

	// Set up the basic args (this could be done once, but
	// it's cleaner here)
	if (reverse){
	cmd.createArgument().setValue("-reverse");
	}

	if (encoding != null){
	cmd.createArgument().setValue("-encoding");
	cmd.createArgument().setValue(encoding);
	}

	// Build the full file names
	srcFile = new File(srcDir, srcName);
	destFile = new File(destDir, destName);

	cmd.createArgument().setFile(srcFile);
	cmd.createArgument().setFile(destFile);
	// Make sure we're not about to clobber something
	if (srcFile.equals(destFile)){
	throw new BuildException("file " + srcFile
	+ " would overwrite its self");
	}

	// Make intermediate directories if needed
	// XXX JDK 1.1 dosen't have File.getParentFile,
	String parentName = destFile.getParent();
	if (parentName != null){
	File parentFile = new File(parentName);

	if ((!parentFile.exists()) && (!parentFile.mkdirs())){
	throw new BuildException("cannot create parent directory "
	+ parentName);
	}
	}

	log("converting " + srcName, Project.MSG_VERBOSE);
	sun.tools.native2ascii.Main n2a
	= new sun.tools.native2ascii.Main();
	if (!n2a.convert(cmd.getArguments())){
	throw new BuildException("conversion failed");
	}
	}

	private class ExtMapper implements FileNameMapper {

	public void setFrom(String s) {}
	public void setTo(String s) {}

	public String[] mapFileName(String fileName) {
	int lastDot = fileName.lastIndexOf('.');
	if (lastDot >= 0) {
	return new String[] {fileName.substring(0, lastDot)
	+ extension};
	} else {
	return new String[] {fileName + extension};
	}
	}
	}
	}