/*
* Copyright 2001-2004 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.commons.betwixt;
import java.io.FileInputStream;
import java.io.InputStream;
import java.net.URL;
import org.apache.commons.betwixt.io.BeanReader;
import org.apache.commons.betwixt.io.BeanWriter;
import org.apache.commons.digester.rss.Channel;
import org.apache.commons.digester.rss.RSSDigester;
/** Reads an RSS file using Betwixt's auto-digester rules then
* outputs it again.
*
* @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
* @version $Revision: 1.4 $
*/
public class RSSBeanReader extends AbstractTestCase {
/**
* The set of public identifiers, and corresponding resource names,
* for the versions of the DTDs that we know about.
*/
protected static final String registrations[] = {
"-//Netscape Communications//DTD RSS 0.9//EN",
"/org/apache/commons/digester/rss/rss-0.9.dtd",
"-//Netscape Communications//DTD RSS 0.91//EN",
"/org/apache/commons/digester/rss/rss-0.91.dtd",
};
public RSSBeanReader(String testName) {
super(testName);
}
public static void main(String[] args) throws Exception {
RSSBeanReader sample = new RSSBeanReader("RSS");
sample.run( args );
}
public void run(String[] args) throws Exception {
BeanReader reader = new BeanReader();
reader.registerBeanClass( Channel.class );
// Register local copies of the DTDs we understand
for (int i = 0; i < registrations.length; i += 2) {
URL url = RSSDigester.class.getResource(registrations[i + 1]);
if (url != null) {
reader.register(registrations[i], url.toString());
}
}
Object bean = null;
if ( args.length > 0 ) {
bean = reader.parse( args[0] );
}
else {
InputStream in = new FileInputStream( getTestFile("src/test/org/apache/commons/betwixt/rss-example.xml") );
bean = reader.parse( in );
in.close();
}
write( bean );
}
public void write(Object bean) throws Exception {
if ( bean == null ) {
throw new Exception( "No bean read from the XML document!" );
}
BeanWriter writer = new BeanWriter();
writer.getXMLIntrospector().setAttributesForPrimitives(false);
writer.enablePrettyPrint();
writer.write( bean );
}
}