org.drools.core.xml.changeset.ChangeSetHandler Maven / Gradle / Ivy
/*
* Copyright 2010 Red Hat, Inc. and/or its affiliates.
*
* 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.drools.core.xml.changeset;
import java.util.HashSet;
import org.drools.core.io.impl.ChangeSetImpl;
import org.drools.core.xml.BaseAbstractHandler;
import org.drools.core.xml.ExtensibleXmlParser;
import org.drools.core.xml.Handler;
import org.w3c.dom.Element;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
public class ChangeSetHandler extends BaseAbstractHandler
implements
Handler {
public ChangeSetHandler() {
if ( (this.validParents == null) && (this.validPeers == null) ) {
this.validParents = new HashSet(1);
this.validParents.add(null );
this.validPeers = new HashSet(1);
this.validPeers.add( null );
this.allowNesting = true;
}
}
public Object start(String uri,
String localName,
Attributes attrs,
ExtensibleXmlParser parser) throws SAXException {
parser.startElementBuilder( localName,
attrs );
ChangeSetImpl changeSet = new ChangeSetImpl();
parser.setData( changeSet );
return changeSet;
}
public Object end(String uri,
String localName,
ExtensibleXmlParser parser) throws SAXException {
final Element element = parser.endElementBuilder();
final ChangeSetImpl changeSet = (ChangeSetImpl) parser.getCurrent();
return changeSet;
}
public Class< ? > generateNodeFor() {
return ChangeSetImpl.class;
}
}