org.activiti.engine.impl.bpmn.parser.BpmnParseHandlers Maven / Gradle / Ivy
/* 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.activiti.engine.impl.bpmn.parser;
import org.activiti.bpmn.model.BaseElement;
import org.activiti.bpmn.model.DataObject;
import org.activiti.bpmn.model.FlowElement;
import org.activiti.engine.parse.BpmnParseHandler;
import org.slf4j.Logger;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
*/
public class BpmnParseHandlers {
private static final Logger LOGGER = org.slf4j.LoggerFactory.getLogger(BpmnParseHandlers.class);
protected Map, List> parseHandlers;
public BpmnParseHandlers() {
this.parseHandlers = new HashMap, List>();
}
public List getHandlersFor(Class clazz) {
return parseHandlers.get(clazz);
}
public void addHandlers(List bpmnParseHandlers) {
for (BpmnParseHandler bpmnParseHandler : bpmnParseHandlers) {
addHandler(bpmnParseHandler);
}
}
public void addHandler(BpmnParseHandler bpmnParseHandler) {
for (Class type : bpmnParseHandler.getHandledTypes()) {
List handlers = parseHandlers.get(type);
if (handlers == null) {
handlers = new ArrayList();
parseHandlers.put(type, handlers);
}
handlers.add(bpmnParseHandler);
}
}
public void parseElement(BpmnParse bpmnParse, BaseElement element) {
if (element instanceof DataObject) {
// ignore DataObject elements because they are processed on Process
// and Sub process level
return;
}
if (element instanceof FlowElement) {
bpmnParse.setCurrentFlowElement((FlowElement) element);
}
// Execute parse handlers
List handlers = parseHandlers.get(element.getClass());
if (handlers == null) {
LOGGER.warn("Could not find matching parse handler for + " + element.getId() + " this is likely a bug.");
} else {
for (BpmnParseHandler handler : handlers) {
handler.parse(bpmnParse, element);
}
}
}
}