/*
* $Id: SerializeHyphPattern.java,v 1.2.2.1 2003/02/25 15:19:58 jeremias Exp $
* ============================================================================
* The Apache Software License, Version 1.1
* ============================================================================
*
* Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modifica-
* tion, 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 acknowledgment: "This product includes software
* developed by the Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself, if
* and wherever such third-party acknowledgments normally appear.
*
* 4. The names "FOP" 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 name, without prior written permission of the
* Apache Software Foundation.
*
* 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 (INCLU-
* DING, 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 and was originally created by
* James Tauber <jtauber@jtauber.com>. For more information on the Apache
* Software Foundation, please see <http://www.apache.org/>.
*/
package org.apache.fop.tools.anttasks;
import java.io.*;
import org.apache.tools.ant.taskdefs.MatchingTask;
import org.apache.tools.ant.DirectoryScanner;
// 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();
* }
*/
}