/**
* Copyright 1996-2014 FoxBPM ORG.
*
* 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.
*
* @author yangguangftlp
*/
package org.foxbpm.bpmn.converter;
import java.util.ArrayList;
import java.util.Iterator;
import org.dom4j.Element;
import org.dom4j.dom.DOMCDATA;
import org.foxbpm.bpmn.constants.BpmnXMLConstants;
import org.foxbpm.bpmn.converter.util.BpmnXMLUtil;
import org.foxbpm.bpmn.converter.util.UniqueIDUtil;
import org.foxbpm.model.BaseElement;
import org.foxbpm.model.Event;
import org.foxbpm.model.EventDefinition;
import org.foxbpm.model.TerminateEventDefinition;
import org.foxbpm.model.TimerEventDefinition;
/**
* 事件转换处理类
*
* @author yangguangftlp
* @date 2014年10月15日
*/
public abstract class EventXMLConverter extends FlowNodeXMLConverter {
@SuppressWarnings("rawtypes")
@Override
public void convertXMLToModel(Element element, BaseElement baseElement) {
Event event = (Event) baseElement;
Element childElem = null;
String nodeName = null;
for (Iterator iterator = element.elements().iterator(); iterator.hasNext();) {
childElem = (Element) iterator.next();
nodeName = childElem.getName();
if (BpmnXMLConstants.ELEMENT_TERMINATEEVENTDEFINITION.equalsIgnoreCase(nodeName)
|| BpmnXMLConstants.ELEMENT_TIMEREVENTDEFINITION.equalsIgnoreCase(nodeName)) {
if (null == event.getEventDefinitions()) {
event.setEventDefinitions(new ArrayList<EventDefinition>());
}
event.getEventDefinitions().add(convertEventDefinition(childElem));
}
}
super.convertXMLToModel(element, baseElement);
}
@SuppressWarnings("unchecked")
private EventDefinition convertEventDefinition(Element element) {
String nodeName = element.getName();
TimerEventDefinition timerEventDefinition = null;
TerminateEventDefinition terminateEventDefinition = null;
if (BpmnXMLConstants.ELEMENT_TERMINATEEVENTDEFINITION.equalsIgnoreCase(nodeName)) {
terminateEventDefinition = new TerminateEventDefinition();
terminateEventDefinition.setId(element.attributeValue(BpmnXMLConstants.ATTRIBUTE_ID));
return terminateEventDefinition;
} else if (BpmnXMLConstants.ELEMENT_TIMEREVENTDEFINITION.equalsIgnoreCase(nodeName)) {
timerEventDefinition = new TimerEventDefinition();
timerEventDefinition.setId(element.attributeValue(BpmnXMLConstants.ATTRIBUTE_ID));
Element elem = null;
for (Iterator<Element> iterator = element.elements().iterator(); iterator.hasNext();) {
elem = (Element) iterator.next();
nodeName = elem.getName();
if (BpmnXMLConstants.ELEMENT_TIMEDATE.equalsIgnoreCase(nodeName)) {
timerEventDefinition.setTimeDate(BpmnXMLUtil.parseExpression(elem));
} else if (BpmnXMLConstants.ELEMENT_TIMEDURATION.equalsIgnoreCase(nodeName)) {
timerEventDefinition.setTimeDuration(BpmnXMLUtil.parseExpression(elem));
} else if (BpmnXMLConstants.ELEMENT_TIMECYCLE.equalsIgnoreCase(nodeName)) {
timerEventDefinition.setTimeCycle(BpmnXMLUtil.parseExpression(elem));
}
}
return timerEventDefinition;
}
return null;
}
@Override
public void convertModelToXML(Element element, BaseElement baseElement) {
Event event = (Event) baseElement;
if (null != event.getEventDefinitions()) {
EventDefinition eventDefinition = null;
TimerEventDefinition timerEventDefinition = null;
TerminateEventDefinition terminateEventDefinition = null;
Element childElem = null;
Element nodeElem = null;
for (Iterator<EventDefinition> iterator = event.getEventDefinitions().iterator(); iterator.hasNext();) {
eventDefinition = iterator.next();
// 处理时间
if (eventDefinition instanceof TimerEventDefinition) {
timerEventDefinition = (TimerEventDefinition) eventDefinition;
childElem = element.addElement(BpmnXMLConstants.BPMN2_PREFIX + ':'
+ BpmnXMLConstants.ELEMENT_TIMEREVENTDEFINITION);
childElem.addAttribute(BpmnXMLConstants.ATTRIBUTE_ID, timerEventDefinition.getId());
if (null != timerEventDefinition.getTimeCycle()) {
nodeElem = childElem.addElement(BpmnXMLConstants.BPMN2_PREFIX + ':'
+ BpmnXMLConstants.ELEMENT_TIMECYCLE);
nodeElem.addAttribute(BpmnXMLConstants.XSI_PREFIX + ':' + BpmnXMLConstants.TYPE, BpmnXMLConstants.BPMN2_PREFIX
+ ':' + BpmnXMLConstants.TYPE_FORMALEXPRESSION);
nodeElem.addAttribute(BpmnXMLConstants.ATTRIBUTE_ID, UniqueIDUtil.getInstance().generateElementID(BpmnXMLConstants.FORMALEXPRESSION));
nodeElem.addAttribute(BpmnXMLConstants.FOXBPM_PREFIX + ':' + BpmnXMLConstants.ATTRIBUTE_NAME, BpmnXMLUtil.interceptStr(timerEventDefinition.getTimeCycle()));
nodeElem.add(new DOMCDATA(timerEventDefinition.getTimeCycle()));
}
if (null != timerEventDefinition.getTimeDuration()) {
nodeElem = childElem.addElement(BpmnXMLConstants.BPMN2_PREFIX + ':'
+ BpmnXMLConstants.ELEMENT_TIMEDURATION);
nodeElem.addAttribute(BpmnXMLConstants.XSI_PREFIX + ':' + BpmnXMLConstants.TYPE, BpmnXMLConstants.BPMN2_PREFIX
+ ':' + BpmnXMLConstants.TYPE_FORMALEXPRESSION);
nodeElem.addAttribute(BpmnXMLConstants.ATTRIBUTE_ID, UniqueIDUtil.getInstance().generateElementID(BpmnXMLConstants.FORMALEXPRESSION));
nodeElem.addAttribute(BpmnXMLConstants.FOXBPM_PREFIX + ':' + BpmnXMLConstants.ATTRIBUTE_NAME, BpmnXMLUtil.interceptStr(timerEventDefinition.getTimeDuration()));
nodeElem.add(new DOMCDATA(timerEventDefinition.getTimeDuration()));
}
if (null != timerEventDefinition.getTimeDate()) {
nodeElem = childElem.addElement(BpmnXMLConstants.BPMN2_PREFIX + ':'
+ BpmnXMLConstants.ELEMENT_TIMEDATE);
nodeElem.addAttribute(BpmnXMLConstants.XSI_PREFIX + ':' + BpmnXMLConstants.TYPE, BpmnXMLConstants.BPMN2_PREFIX
+ ':' + BpmnXMLConstants.TYPE_FORMALEXPRESSION);
nodeElem.addAttribute(BpmnXMLConstants.ATTRIBUTE_ID, UniqueIDUtil.getInstance().generateElementID(BpmnXMLConstants.FORMALEXPRESSION));
nodeElem.addAttribute(BpmnXMLConstants.FOXBPM_PREFIX + ':' + BpmnXMLConstants.ATTRIBUTE_NAME, BpmnXMLUtil.interceptStr(timerEventDefinition.getTimeDate()));
nodeElem.add(new DOMCDATA(timerEventDefinition.getTimeDate()));
}
} else if (eventDefinition instanceof TerminateEventDefinition) {
terminateEventDefinition = (TerminateEventDefinition) eventDefinition;
childElem = element.addElement(BpmnXMLConstants.BPMN2_PREFIX + ':'
+ BpmnXMLConstants.ELEMENT_TERMINATEEVENTDEFINITION);
childElem.addAttribute(BpmnXMLConstants.ATTRIBUTE_ID, terminateEventDefinition.getId());
}
}
}
super.convertModelToXML(element, baseElement);
}
}