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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* $Id$ */
package org.apache.fop.tools;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import javax.xml.transform.Result;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.URIResolver;
import javax.xml.transform.dom.DOMResult;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.sax.SAXTransformerFactory;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;
import org.w3c.dom.Node;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.DirectoryScanner;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.Task;
import org.apache.tools.ant.types.FileSet;
import org.apache.tools.ant.types.selectors.FilenameSelector;
public class EventProducerCollectorTask extends Task {
private List filesets = new java.util.ArrayList();
private File modelFile;
private File translationFile;
/** {@inheritDoc} */
public void execute() throws BuildException {
try {
EventProducerCollector collector = new EventProducerCollector();
processFileSets(collector);
getModelFile().getParentFile().mkdirs();
collector.saveModelToXML(getModelFile());
log("Event model written to " + getModelFile());
if (getTranslationFile() != null) {
updateTranslationFile();
}
} catch (ClassNotFoundException e) {
throw new BuildException(e);
} catch (EventConventionException ece) {
throw new BuildException(ece);
} catch (IOException ioe) {
throw new BuildException(ioe);
}
}
private static final String MODEL2TRANSLATION = "model2translation.xsl";
private static final String MERGETRANSLATION = "merge-translation.xsl";
protected void updateTranslationFile() throws IOException {
try {
boolean resultExists = getTranslationFile().exists();
SAXTransformerFactory tFactory
= (SAXTransformerFactory)SAXTransformerFactory.newInstance();
//Generate fresh generated translation file as template
Source src = new StreamSource(getModelFile());
StreamSource xslt1 = new StreamSource(
getClass().getResourceAsStream(MODEL2TRANSLATION));
if (xslt1.getInputStream() == null) {
throw new FileNotFoundException(MODEL2TRANSLATION + " not found");
}
DOMResult domres = new DOMResult();
Transformer transformer = tFactory.newTransformer(xslt1);
transformer.transform(src, domres);
final Node generated = domres.getNode();
Node sourceDocument;
if (resultExists) {
//Load existing translation file into memory (because we overwrite it later)
src = new StreamSource(getTranslationFile());
domres = new DOMResult();
transformer = tFactory.newTransformer();
transformer.transform(src, domres);
sourceDocument = domres.getNode();
} else {
//Simply use generated as source document
sourceDocument = generated;
}
//Generate translation file (with potentially new translations)
src = new DOMSource(sourceDocument);
Result res = new StreamResult(getTranslationFile());
StreamSource xslt2 = new StreamSource(
getClass().getResourceAsStream(MERGETRANSLATION));
if (xslt2.getInputStream() == null) {
throw new FileNotFoundException(MERGETRANSLATION + " not found");
}
transformer = tFactory.newTransformer(xslt2);
transformer.setURIResolver(new URIResolver() {
public Source resolve(String href, String base) throws TransformerException {
if ("my:dom".equals(href)) {
return new DOMSource(generated);
}
return null;
}
});
if (resultExists) {
transformer.setParameter("generated-url", "my:dom");
}
transformer.transform(src, res);
if (resultExists) {
log("Translation file updated: " + getTranslationFile());
} else {
log("Translation file generated: " + getTranslationFile());
}
} catch (TransformerException te) {
throw new IOException(te.getMessage());
}
}
protected void processFileSets(EventProducerCollector collector)
throws IOException, EventConventionException, ClassNotFoundException {
Iterator iter = filesets.iterator();
while (iter.hasNext()) {
FileSet fs = (FileSet)iter.next();
DirectoryScanner ds = fs.getDirectoryScanner(getProject());
String[] srcFiles = ds.getIncludedFiles();
File directory = fs.getDir(getProject());
for (int i = 0, c = srcFiles.length; i < c; i++) {
String filename = srcFiles[i];
File src = new File(directory, filename);
collector.scanFile(src, filename);
}
}
}
public void addFileset(FileSet set) {
filesets.add(set);
}
public void setModelFile(File f) {
this.modelFile = f;
}
public File getModelFile() {
return this.modelFile;
}
public void setTranslationFile(File f) {
this.translationFile = f;
}
public File getTranslationFile() {
return this.translationFile;
}
public static void main(String[] args) {
try {
Project project = new Project();
EventProducerCollectorTask generator = new EventProducerCollectorTask();
generator.setProject(project);
project.setName("Test");
FileSet fileset = new FileSet();
fileset.setDir(new File("test/java"));
FilenameSelector selector = new FilenameSelector();
selector.setName("**/*.java");
fileset.add(selector);
generator.addFileset(fileset);
File targetDir = new File("build/codegen1");
targetDir.mkdirs();
generator.setModelFile(new File("D:/out.xml"));
generator.setTranslationFile(new File("D:/out1.xml"));
generator.execute();
} catch (Exception e) {
e.printStackTrace();
}
}
}
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