/**
* Copyright 2010 Intalio 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.ArrayList;
import java.util.HashSet;
import java.util.List;
import org.drools.definition.process.Process;
import org.drools.xml.BaseAbstractHandler;
import org.drools.xml.ExtensibleXmlParser;
import org.drools.xml.Handler;
import org.jbpm.bpmn2.core.Association;
import org.jbpm.bpmn2.core.Definitions;
import org.jbpm.bpmn2.core.Lane;
import org.jbpm.bpmn2.core.SequenceFlow;
import org.jbpm.process.core.context.variable.Variable;
import org.jbpm.workflow.core.Node;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
/**
* @author <a href="mailto:atoulme@intalio.com">Antoine Toulme</a>
*
*/
public class AssociationHandler extends BaseAbstractHandler implements Handler {
public AssociationHandler() {
if ((this.validParents == null) && (this.validPeers == null)) {
this.validParents = new HashSet<Class<?>>();
this.validParents.add(Process.class);
this.validPeers = new HashSet<Class<?>>();
this.validPeers.add(null);
this.validPeers.add(Lane.class);
this.validPeers.add(Variable.class);
this.validPeers.add(Node.class);
this.validPeers.add(SequenceFlow.class);
this.validPeers.add(Lane.class);
this.validPeers.add(Association.class);
this.allowNesting = false;
}
}
public Object start(final String uri, final String localName,
final Attributes attrs, final ExtensibleXmlParser parser)
throws SAXException {
parser.startElementBuilder(localName, attrs);
Association association = new Association();
association.setId(attrs.getValue("id"));
association.setSourceRef(attrs.getValue("sourceRef"));
association.setTargetRef(attrs.getValue("targetRef"));
Process parent = (Process) parser.getParent();
Definitions definitions = (Definitions)
parent.getMetaData().get("Definitions");
// FIXME for now associations are stored under the definitions node
// we will move them under process and subprocesses when it becomes possible ?
List<Association> associations = definitions.getAssociations();
if (associations == null) {
associations = new ArrayList<Association>();
definitions.setAssociations(associations);
}
associations.add(association);
return association;
}
public Object end(final String uri, final String localName,
final ExtensibleXmlParser parser) throws SAXException {
parser.endElementBuilder();
return parser.getCurrent();
}
public Class<?> generateNodeFor() {
return Association.class;
}
}