/**
* Copyright 2010 JBoss Inc
*
* 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.jbpm.bpmn2.xml;
import java.util.HashSet;
import java.util.Map;
import org.drools.xml.BaseAbstractHandler;
import org.drools.xml.ExtensibleXmlParser;
import org.drools.xml.Handler;
import org.jbpm.bpmn2.core.Interface.Operation;
import org.jbpm.bpmn2.core.Message;
import org.jbpm.compiler.xml.ProcessBuildData;
import org.w3c.dom.Element;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
public class InMessageRefHandler extends BaseAbstractHandler implements Handler {
@SuppressWarnings("unchecked")
public InMessageRefHandler() {
if ((this.validParents == null) && (this.validPeers == null)) {
this.validParents = new HashSet();
this.validParents.add(Operation.class);
this.validPeers = new HashSet();
this.validPeers.add(null);
this.allowNesting = false;
}
}
public Object start(final String uri, final String localName,
final Attributes attrs, final ExtensibleXmlParser parser)
throws SAXException {
parser.startElementBuilder(localName, attrs);
return null;
}
@SuppressWarnings("unchecked")
public Object end(final String uri, final String localName,
final ExtensibleXmlParser parser) throws SAXException {
Element element = parser.endElementBuilder();
String messageId = element.getTextContent();
Map<String, Message> messages = (Map<String, Message>)
((ProcessBuildData) parser.getData()).getMetaData("Messages");
if (messages == null) {
throw new IllegalArgumentException("No messages found");
}
Message message = messages.get(messageId);
if (message == null) {
throw new IllegalArgumentException("Could not find message " + messageId);
}
Operation operation = (Operation) parser.getParent();
operation.setMessage(message);
return parser.getCurrent();
}
public Class<?> generateNodeFor() {
return Message.class;
}
}