/**
* 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.parser;
import java.util.ArrayList;
import java.util.Iterator;
import org.dom4j.Element;
import org.foxbpm.bpmn.constants.BpmnXMLConstants;
import org.foxbpm.bpmn.converter.LaneSetXmlConverter;
import org.foxbpm.bpmn.converter.util.BpmnXMLUtil;
import org.foxbpm.model.BpmnModel;
import org.foxbpm.model.DataVariableDefinition;
import org.foxbpm.model.FlowContainer;
import org.foxbpm.model.LaneSet;
import org.foxbpm.model.PotentialStarter;
import org.foxbpm.model.Process;
/**
*
* 常量类
*
* @author yangguangftlp
* @date 2014年10月15日
*/
public class ProcessParser extends BpmnParser {
/**
* 处理扩展节点
*
* @param process
* 当前流程
* @param element
* 流程下扩展元素
*/
@SuppressWarnings("rawtypes")
private void parseExtElements(Process process, Element element) {
String parentNodeName = element.getName();
String nodeName = null;
String expression = null;
String documentation = null;
Element elem = null;
// 处理子节点
for (Iterator iterator = element.elements().iterator(); iterator.hasNext();) {
elem = (Element) iterator.next();
nodeName = elem.getName();
if (BpmnXMLConstants.ELEMENT_FORMURI.equalsIgnoreCase(nodeName)
|| BpmnXMLConstants.ELEMENT_FORMURIVIEW.equalsIgnoreCase(nodeName)
|| BpmnXMLConstants.ELEMENT_DATAVARIABLE.equalsIgnoreCase(nodeName)
|| BpmnXMLConstants.ELEMENT_TASKSUBJECT.equalsIgnoreCase(nodeName)
|| BpmnXMLConstants.ELEMENT_POTENTIALSTARTER.equals(nodeName)) {
parseExtElements(process, elem);
// 继续下一个
continue;
}
if (BpmnXMLConstants.ELEMENT_EXPRESSION.equalsIgnoreCase(nodeName)) {
// 表达式解析
expression = BpmnXMLUtil.parseExpression(elem);
} else if (BpmnXMLConstants.ELEMENT_DOCUMENTATION.equalsIgnoreCase(nodeName)) {
documentation = elem.getText();
} else /** 处理连接器 **/
if (BpmnXMLConstants.ELEMENT_CONNECTORINSTANCE_ELEMENTS.equalsIgnoreCase(nodeName)) {
process.setConnector(BpmnXMLUtil.parserConnectorElement(elem));
}
/** 处理表单url */
if (BpmnXMLConstants.ELEMENT_FORMURI.equalsIgnoreCase(parentNodeName)) {
process.setFormUri(expression);
} else /** 处理表单视图 */
if (BpmnXMLConstants.ELEMENT_FORMURIVIEW.equalsIgnoreCase(parentNodeName)) {
process.setFormUriView(expression);
} else /** 处理任务主题 */
if (BpmnXMLConstants.ELEMENT_TASKSUBJECT.equalsIgnoreCase(parentNodeName)) {
process.setSubject(expression);
}
}
// 处理数据变量
if (BpmnXMLConstants.ELEMENT_DATAVARIABLE.equalsIgnoreCase(parentNodeName)) {
DataVariableDefinition dataVariable = new DataVariableDefinition();
dataVariable.setId(element.attributeValue(BpmnXMLConstants.ATTRIBUTE_ID));
dataVariable.setBizType(element.attributeValue(BpmnXMLConstants.ATTRIBUTE_BIZTYPE));
dataVariable.setDataType(element.attributeValue(BpmnXMLConstants.ATTRIBUTE_DATATYPE));
dataVariable.setFieldName(element.attributeValue(BpmnXMLConstants.ATTRIBUTE_FIELDNAME));
dataVariable.setPersistence(BpmnXMLUtil.parseBoolean(element.attributeValue(BpmnXMLConstants.ATTRIBUTE_ISPERSISTENCE)));
dataVariable.setExpression(expression);
dataVariable.setDocumentation(documentation);
if (null == process.getDataVariables()) {
process.setDataVariables(new ArrayList<DataVariableDefinition>());
}
process.getDataVariables().add(dataVariable);
}
// 处理启动人
if (BpmnXMLConstants.ELEMENT_POTENTIALSTARTER.equalsIgnoreCase(parentNodeName)) {
PotentialStarter potentialStarter = new PotentialStarter();
potentialStarter.setId(element.attributeValue(BpmnXMLConstants.ATTRIBUTE_ID));
potentialStarter.setResourceType(element.attributeValue(BpmnXMLConstants.ATTRIBUTE_RESOURCETYPE));
potentialStarter.setDocumentation(element.attributeValue(BpmnXMLConstants.ATTRIBUTE_DESCRIPTION));
potentialStarter.setExpression(expression);
if (null == process.getPotentialStarters()) {
process.setPotentialStarters(new ArrayList<PotentialStarter>());
}
process.getPotentialStarters().add(potentialStarter);
}
}
@SuppressWarnings("rawtypes")
public Process parser(Element element) {
// 处理流程
Process process = new Process();
process.setId(element.attributeValue(BpmnXMLConstants.ATTRIBUTE_ID));
process.setName(element.attributeValue(BpmnXMLConstants.ATTRIBUTE_NAME));
process.setCategory(element.attributeValue(BpmnXMLConstants.ATTRIBUTE_CATEGORY));
process.setSubject(element.attributeValue(BpmnXMLConstants.ATTRIBUTE_SUBJECT));
process.setKey(element.attributeValue(BpmnXMLConstants.ATTRIBUTE_KEY));
process.setPersistence(BpmnXMLUtil.parseBoolean(element.attributeValue(BpmnXMLConstants.ATTRIBUTE_ISPERSISTENCE)));
// end
// 扩展元素
Element elem = null;
String name = null;
for (Iterator iterator = element.elements().iterator(); iterator.hasNext();) {
elem = (Element) iterator.next();
name = elem.getName();
if (BpmnXMLConstants.ELEMENT_EXTENSION_ELEMENTS.equalsIgnoreCase(name)) {
parseExtElements(process, elem);
} else if (BpmnXMLConstants.ELEMENT_DOCUMENTATION.equalsIgnoreCase(name)) {
process.setDocumentation(elem.getText());
} else if (BpmnXMLConstants.ELEMENT_LANESET.equalsIgnoreCase(name)) {
LaneSet laneSet = new LaneSet();
LaneSetXmlConverter laneSetXmlConverter = new LaneSetXmlConverter();
laneSetXmlConverter.convertXMLToModel(elem, laneSet);
process.getLaneSets().add(laneSet);
}
}
// 处理流程容器
if (process instanceof FlowContainer) {
BpmnXMLUtil.parseFlowContainer(element, process);
}
return process;
}
@Override
public void parse(Element element, BpmnModel model) throws Exception {
}
}