/*
* Copyright 2000-2002,2004 The Apache Software Foundation
*
* Licensed 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.
*
*/
package org.apache.tools.ant.taskdefs.optional;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import org.apache.tools.ant.taskdefs.XSLTLiaison;
import org.apache.xalan.xslt.XSLTInputSource;
import org.apache.xalan.xslt.XSLTProcessor;
import org.apache.xalan.xslt.XSLTProcessorFactory;
import org.apache.xalan.xslt.XSLTResultTarget;
/**
* Concrete liaison for Xalan 1.x API.
*
* @author <a href="mailto:rubys@us.ibm.com">Sam Ruby</a>
* @author <a href="mailto:sbailliez@apache.org">Stephane Bailliez</a>
* @since Ant 1.1
*/
public class XalanLiaison implements XSLTLiaison {
protected XSLTProcessor processor;
protected File stylesheet;
public XalanLiaison() throws Exception {
processor = XSLTProcessorFactory.getProcessor();
}
public void setStylesheet(File stylesheet) throws Exception {
this.stylesheet = stylesheet;
}
public void transform(File infile, File outfile) throws Exception {
FileInputStream fis = null;
FileOutputStream fos = null;
FileInputStream xslStream = null;
try {
xslStream = new FileInputStream(stylesheet);
fis = new FileInputStream(infile);
fos = new FileOutputStream(outfile);
// systemid such as file:/// + getAbsolutePath() are considered
// invalid here...
XSLTInputSource xslSheet = new XSLTInputSource(xslStream);
xslSheet.setSystemId(stylesheet.getAbsolutePath());
XSLTInputSource src = new XSLTInputSource(fis);
src.setSystemId(infile.getAbsolutePath());
XSLTResultTarget res = new XSLTResultTarget(fos);
processor.process(src, xslSheet, res);
} finally {
// make sure to close all handles, otherwise the garbage
// collector will close them...whenever possible and
// Windows may complain about not being able to delete files.
try {
if (xslStream != null) {
xslStream.close();
}
} catch (IOException ignored) {
//ignore
}
try {
if (fis != null) {
fis.close();
}
} catch (IOException ignored) {
//ignore
}
try {
if (fos != null) {
fos.close();
}
} catch (IOException ignored) {
//ignore
}
}
}
public void addParam(String name, String value) {
processor.setStylesheetParam(name, value);
}
} //-- XalanLiaison