org.foxbpm.bpmn.converter.SequenceFlowXMLConverter.java Source code

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Here is the source code for org.foxbpm.bpmn.converter.SequenceFlowXMLConverter.java

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/**
 * 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 org.dom4j.DocumentFactory;
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.FlowElement;
import org.foxbpm.model.SequenceFlow;

/**
 * ?
 * 
 * @author yangguangftlp
 * @date 20141015
 */
public class SequenceFlowXMLConverter extends FlowElementXMLConverter {

    public FlowElement cretateFlowElement() {
        return new SequenceFlow();
    }

    @Override
    public Class<? extends BaseElement> getBpmnElementType() {
        return SequenceFlow.class;
    }

    @Override
    public void convertXMLToModel(Element element, BaseElement baseElement) {
        SequenceFlow sequenceFlow = (SequenceFlow) baseElement;
        sequenceFlow.setSourceRefId(element.attributeValue(BpmnXMLConstants.ATTRIBUTE_SOURCEREF));
        sequenceFlow.setTargetRefId(element.attributeValue(BpmnXMLConstants.ATTRIBUTE_TARGETREF));
        Element conditionElement = element.element("conditionExpression");
        if (conditionElement != null) {
            sequenceFlow.setFlowCondition(BpmnXMLUtil.parseExpression(conditionElement));
        }
        super.convertXMLToModel(element, baseElement);
    }

    @Override
    public void convertModelToXML(Element element, BaseElement baseElement) {
        SequenceFlow sequenceFlow = (SequenceFlow) baseElement;
        element.addAttribute(BpmnXMLConstants.ATTRIBUTE_SOURCEREF, sequenceFlow.getSourceRefId());
        element.addAttribute(BpmnXMLConstants.ATTRIBUTE_TARGETREF, sequenceFlow.getTargetRefId());
        if (null != sequenceFlow.getFlowCondition()) {
            String condition = sequenceFlow.getFlowCondition();
            Element childElem = element
                    .addElement(BpmnXMLConstants.BPMN2_PREFIX + ':' + BpmnXMLConstants.ELEMENT_CONDITIONEXPRESSION);
            childElem.addAttribute(BpmnXMLConstants.XSI_PREFIX + ':' + BpmnXMLConstants.TYPE,
                    BpmnXMLConstants.BPMN2_PREFIX + ':' + BpmnXMLConstants.TYPE_FORMALEXPRESSION);
            childElem.addAttribute(BpmnXMLConstants.ATTRIBUTE_ID,
                    UniqueIDUtil.getInstance().generateElementID(BpmnXMLConstants.TYPE_FORMALEXPRESSION));
            childElem.addAttribute(BpmnXMLConstants.FOXBPM_PREFIX + ':' + BpmnXMLConstants.ATTRIBUTE_NAME,
                    BpmnXMLUtil.interceptStr(condition));
            childElem.add(new DOMCDATA(condition));
        }
        super.convertModelToXML(element, baseElement);
    }

    @Override
    public String getXMLElementName() {
        return BpmnXMLConstants.ELEMENT_SEQUENCEFLOW;
    }

    public Element cretateXMLElement() {
        return DocumentFactory.getInstance().createElement(
                BpmnXMLConstants.BPMN2_PREFIX + ':' + BpmnXMLConstants.ELEMENT_SEQUENCEFLOW,
                BpmnXMLConstants.BPMN2_NAMESPACE);
    }

}