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/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999 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
* <http://www.apache.org/>.
*/
package org.apache.fop.tools.anttasks;
//package org.apache.tools.ant.taskdefs;
import org.apache.tools.ant.taskdefs.MatchingTask;
import org.apache.tools.ant.DirectoryScanner;
import java.net.*;
import java.io.*;
import java.util.*;
import org.xml.sax.SAXException;
//fop
import org.apache.fop.layout.hyphenation.HyphenationTree;
import org.apache.fop.layout.hyphenation.HyphenationException;
/**
* SerializeHyphPattern
*/
public class SerializeHyphPattern extends MatchingTask {
private File sourceDir, targetDir;
private boolean errorDump = false;
/**
* Main method, which is called by ant.
*/
public void execute () throws org.apache.tools.ant.BuildException {
DirectoryScanner ds = this.getDirectoryScanner(sourceDir);
String[] files = ds.getIncludedFiles();
for (int i = 0; i < files.length ; i++) {
processFile(files[i].substring(0, files[i].length() - 4));
}
} //end execute
/**
* Sets the source directory
*
*/
public void setSourceDir (String sourceDir) {
File dir = new File(sourceDir);
if (!dir.exists()) {
System.err.println("Fatal Error: source directory " +
sourceDir + " for hyphenation files doesn't exist.");
System.exit(1);
}
this.sourceDir = dir;
}
/**
* Sets the target directory
*
*/
public void setTargetDir (String targetDir) {
File dir = new File(targetDir);
this.targetDir = dir;
}
/**
* more error information
*
*/
public void setErrorDump (boolean errorDump) {
this.errorDump = errorDump;
}
/*
* checks whether input or output files exists or the latter is older than input file
* and start build if necessary
*/
private void processFile (String filename) {
File infile = new File (sourceDir , filename + ".xml");
File outfile = new File(targetDir , filename + ".hyp");
long outfileLastModified = outfile.lastModified();
boolean startProcess = true;
startProcess = rebuild(infile, outfile);
if (startProcess) {
buildPatternFile(infile, outfile);
}
}
/*
* serializes pattern files
*/
private void buildPatternFile (File infile, File outfile) {
System.out.println("Processing " + infile);
HyphenationTree hTree = new HyphenationTree();
try {
hTree.loadPatterns(infile.toString());
if (errorDump) {
System.out.println("Stats: ");
hTree.printStats();
}
} catch (HyphenationException ex) {
System.err.println("Can't load patterns from xml file " +
infile + " - Maybe hyphenation.dtd is missing?");
if (errorDump) {
System.err.println(ex.toString());
}
}
//serialize class
try {
ObjectOutputStream out = new ObjectOutputStream (
new FileOutputStream(outfile));
out.writeObject(hTree);
out.close();
} catch (IOException ioe) {
System.err.println("Can't write compiled pattern file: " +
outfile);
System.err.println(ioe);
}
}
/**
* Checks for existence of output file and compares
* dates with input and stylesheet file
*/
private boolean rebuild (File infile, File outfile) {
if (outfile.exists()) {
//checks whether output file is older than input file
if (outfile.lastModified() < infile.lastModified()) {
return true;
}
} else {
//if output file does not exist, start process
return true;
}
return false;
} //end rebuild
/*
//quick access for debugging
public static void main (String args[]) {
SerializeHyphPattern ser = new SerializeHyphPattern();
ser.setIncludes("*.xml");
ser.setSourceDir("\\xml-fop\\hyph\\");
ser.setTargetDir("\\xml-fop\\hyph\\");
ser.execute();
}
*/
}
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