/*
* 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.
*/
package dom.serialization;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import org.w3c.dom.Document;
import org.xml.sax.SAXException;
import dom.ParserWrapper;
/**
* A java serialization test. This sample program parses a
* document, then serializes out to a file, then reloads
* it from the file. The intent is to have zero exceptions
* in the process.
*
* @author <a href="mailto:sanders@apache.org">Scott Sanders</a>
* @version $Id: Test.java 447697 2006-09-19 03:08:27Z mrglavas $
*/
public class Test {
protected static final String NAMESPACES_FEATURE_ID = "http://xml.org/sax/features/namespaces";
protected static final String DEFAULT_PARSER_NAME = "dom.wrappers.Xerces";
public static void main(String args[]) {
if (args.length != 2) {
System.out.println("Usage: serialize.Test input.xml output.xml");
System.exit(1);
}
ParserWrapper parser = null;
try {
parser = (ParserWrapper) Class.forName(DEFAULT_PARSER_NAME).newInstance();
} catch (Exception e) {
System.err.println("error: Unable to instantiate parser (" + DEFAULT_PARSER_NAME + ")");
}
try {
parser.setFeature(NAMESPACES_FEATURE_ID, true);
} catch (SAXException e) {
System.err.println("warning: Parser does not support feature (" + NAMESPACES_FEATURE_ID + ")");
}
try {
Document document = null;
parser.setFeature("http://xml.org/sax/features/validation", true);
parser.setFeature("http://apache.org/xml/features/validation/schema", true);
document = parser.parse(args[0]);
document.getDocumentElement().setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns:foo", "boo");
serialize(document, args[1]);
Document newDocument = deserialize(args[1]);
Document emptyDoc = new org.apache.xerces.dom.DocumentImpl();
emptyDoc.importNode(newDocument.getDocumentElement(), true);
System.out.println("done.");
} catch (Exception e) {
System.err.println("error: Error occurred - " + e.getMessage());
Exception se = e;
if (e instanceof SAXException) {
se = ((SAXException) e).getException();
}
if (se != null)
se.printStackTrace(System.err);
else
e.printStackTrace(System.err);
}
}
public static void serialize(Document document, String filename) throws Exception {
System.out.println("Serializing parsed document");
ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(filename));
out.writeObject(document);
out.close();
}
public static Document deserialize(String filename) throws Exception {
System.out.println("De-Serializing parsed document");
ObjectInputStream in = new ObjectInputStream(new FileInputStream(filename));
Document result = (Document) in.readObject();
return result;
}
}