/**
* 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.jbpm.bpmn2.xml;
import java.util.HashSet;
import org.drools.core.xml.BaseAbstractHandler;
import org.drools.core.xml.ExtensibleXmlParser;
import org.drools.core.xml.Handler;
import org.jbpm.workflow.core.impl.NodeImpl;
import org.w3c.dom.Element;
import org.w3c.dom.Text;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
public class DocumentationHandler extends BaseAbstractHandler implements Handler {
@SuppressWarnings("unchecked")
public DocumentationHandler() {
if ((this.validParents == null) && (this.validPeers == null)) {
this.validParents = new HashSet();
this.validParents.add(Object.class);
this.validPeers = new HashSet();
this.validPeers.add(null);
this.validPeers.add(Object.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 );
return null;
}
public Object end(final String uri, final String localName,
final ExtensibleXmlParser parser) throws SAXException {
Element element = parser.endElementBuilder();
Object parent = parser.getParent();
if (parent instanceof NodeImpl) {
String text = ((Text)element.getChildNodes().item( 0 )).getWholeText();
if (text != null) {
text = text.trim();
if ("".equals(text)) {
text = null;
}
}
((NodeImpl) parent).getMetaData().put("Documentation", text);
}
return parser.getCurrent();
}
public Class<?> generateNodeFor() {
return null;
}
}