/**
* Copyright (c) 2000-2005 Liferay, LLC. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package com.liferay.util.xml;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.StringReader;
import com.dotcms.repackage.org.dom4j.Document;
import com.dotcms.repackage.org.dom4j.DocumentException;
import com.dotcms.repackage.org.dom4j.io.OutputFormat;
import com.dotcms.repackage.org.dom4j.io.SAXReader;
import com.dotcms.repackage.org.dom4j.io.XMLWriter;
import com.liferay.util.FileUtil;
import com.liferay.util.StringUtil;
import com.liferay.util.Validator;
import com.liferay.util.xml.descriptor.XMLDescriptor;
/**
* <a href="XMLMergerRunner.java.html"><b><i>View Source</i></b></a>
*
* @author Jorge Ferrer
* @version $Revision: 1.6 $
*
*/
public class XMLMergerRunner {
public static void main(String[] args)
throws ClassNotFoundException, DocumentException,
IllegalAccessException, InstantiationException, IOException {
if ((args != null) && (args.length == 4)) {
XMLMergerRunner runner = new XMLMergerRunner(args[3]);
runner.mergeAndSave(args[0], args[1], args[2]);
}
else {
throw new IllegalArgumentException();
}
}
public XMLMergerRunner(String descriptorClassName) {
if (Validator.isNotNull(descriptorClassName)) {
_descriptorClassName = descriptorClassName;
}
}
public void mergeAndSave(
String masterFile, String slaveFile, String mergedFile)
throws ClassNotFoundException, DocumentException,
IllegalAccessException, InstantiationException, IOException {
mergeAndSave(
new File(masterFile), new File(slaveFile), new File(mergedFile));
}
public void mergeAndSave(File masterFile, File slaveFile, File mergedFile)
throws ClassNotFoundException, DocumentException,
IllegalAccessException, InstantiationException, IOException {
String xml1 = FileUtil.read(masterFile);
String xml2 = FileUtil.read(slaveFile);
String mergedXml = _merge(xml1, xml2);
FileUtil.write(mergedFile, mergedXml);
}
private String _documentToString(Document doc, String docType)
throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
OutputFormat format = OutputFormat.createPrettyPrint();
format.setIndent("\t");
format.setLineSeparator("\n");
XMLWriter writer = new XMLWriter(baos, format);
writer.write(doc);
String xml = baos.toString();
int pos = xml.indexOf("<?");
String header = xml.substring(pos, xml.indexOf("?>", pos) + 2);
xml = StringUtil.replace(xml, header, "");
xml = header + "\n" + docType + "\n" + xml;
return xml;
}
private String _merge(String masterXml, String slaveXml)
throws ClassNotFoundException, DocumentException,
IllegalAccessException, InstantiationException, IOException {
int pos = masterXml.indexOf("<!DOCTYPE");
String masterDoctype = "";
if (pos >= 0) {
masterDoctype = masterXml.substring(
pos, masterXml.indexOf(">", pos) + 1);
masterXml = StringUtil.replace(masterXml, masterDoctype, "");
}
pos = slaveXml.indexOf("<!DOCTYPE");
String slaveDoctype = "";
if (pos >= 0) {
slaveDoctype = slaveXml.substring(
pos, slaveXml.indexOf(">", pos) + 1);
slaveXml = StringUtil.replace(slaveXml, slaveDoctype, "");
}
String doctype = null;
if (Validator.isNotNull(masterDoctype)) {
doctype = masterDoctype;
}
else {
doctype = slaveDoctype;
}
SAXReader reader = new SAXReader();
Document masterDoc = reader.read(new StringReader(masterXml));
Document slaveDoc = reader.read(new StringReader(slaveXml));
XMLDescriptor descriptor = null;
if (_descriptorClassName.equals(_AUTO_DESCRIPTOR)) {
descriptor = XMLTypeDetector.determineType(doctype, masterDoc);
}
else {
descriptor = (XMLDescriptor)Class.forName(
_descriptorClassName).newInstance();
}
XMLMerger merger = new XMLMerger(descriptor);
Document mergedDoc = merger.merge(masterDoc, slaveDoc);
return _documentToString(mergedDoc, doctype);
}
private static final String _AUTO_DESCRIPTOR = "auto";
private String _descriptorClassName = _AUTO_DESCRIPTOR;
}