org.jbpm.bpmn2.xml.ImportHandler Maven / Gradle / Ivy
/*
* Copyright 2015 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.
*
* 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.HashMap;
import java.util.HashSet;
import java.util.Map;
import org.drools.core.xml.BaseAbstractHandler;
import org.drools.core.xml.ExtensibleXmlParser;
import org.drools.core.xml.Handler;
import org.jbpm.workflow.core.impl.WorkflowProcessImpl;
import org.kie.api.definition.process.Process;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
public class ImportHandler extends BaseAbstractHandler implements Handler {
public ImportHandler() {
if ((this.validParents == null) && (this.validPeers == null)) {
this.validParents = new HashSet();
this.validParents.add(Process.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);
WorkflowProcessImpl process = (WorkflowProcessImpl) parser.getParent();
final String name = attrs.getValue("name");
final String type = attrs.getValue("importType");
final String location = attrs.getValue("location");
final String namespace = attrs.getValue("namespace");
emptyAttributeCheck(localName, "name", name, parser);
if (type != null && location != null && namespace != null) {
Map typedImports = (Map) process.getMetaData(type);
if (typedImports == null) {
typedImports = new HashMap();
process.setMetaData(type, typedImports);
}
typedImports.put(namespace, location);
} else {
java.util.Set list = process.getImports();
if (list == null) {
list = new HashSet();
process.setImports(list);
}
list.add(name);
}
return null;
}
public Object end(final String uri, final String localName,
final ExtensibleXmlParser parser) throws SAXException {
parser.endElementBuilder();
return null;
}
public Class generateNodeFor() {
return null;
}
}