/* 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.bpmn.converter.export;
import java.util.List;
import javax.xml.stream.XMLStreamWriter;
import org.activiti.bpmn.constants.BpmnXMLConstants;
import org.activiti.bpmn.model.BpmnModel;
import org.activiti.bpmn.model.FlowElement;
import org.activiti.bpmn.model.GraphicInfo;
import org.activiti.bpmn.model.MessageFlow;
import org.activiti.bpmn.model.SubProcess;
import org.apache.commons.lang3.StringUtils;
public class BPMNDIExport implements BpmnXMLConstants {
public static void writeBPMNDI(BpmnModel model, XMLStreamWriter xtw) throws Exception {
// BPMN DI information
xtw.writeStartElement(BPMNDI_PREFIX, ELEMENT_DI_DIAGRAM, BPMNDI_NAMESPACE);
String processId = null;
if(!model.getPools().isEmpty()) {
processId = "Collaboration";
} else {
processId = model.getMainProcess().getId();
}
xtw.writeAttribute(ATTRIBUTE_ID, "BPMNDiagram_" + processId);
xtw.writeStartElement(BPMNDI_PREFIX, ELEMENT_DI_PLANE, BPMNDI_NAMESPACE);
xtw.writeAttribute(ATTRIBUTE_DI_BPMNELEMENT, processId);
xtw.writeAttribute(ATTRIBUTE_ID, "BPMNPlane_" + processId);
for (String elementId : model.getLocationMap().keySet()) {
if (model.getFlowElement(elementId) != null || model.getArtifact(elementId) != null ||
model.getPool(elementId) != null || model.getLane(elementId) != null) {
xtw.writeStartElement(BPMNDI_PREFIX, ELEMENT_DI_SHAPE, BPMNDI_NAMESPACE);
xtw.writeAttribute(ATTRIBUTE_DI_BPMNELEMENT, elementId);
xtw.writeAttribute(ATTRIBUTE_ID, "BPMNShape_" + elementId);
GraphicInfo graphicInfo = model.getGraphicInfo(elementId);
FlowElement flowElement = model.getFlowElement(elementId);
if (flowElement instanceof SubProcess && graphicInfo.getExpanded() != null) {
xtw.writeAttribute(ATTRIBUTE_DI_IS_EXPANDED, String.valueOf(graphicInfo.getExpanded()));
}
xtw.writeStartElement(OMGDC_PREFIX, ELEMENT_DI_BOUNDS, OMGDC_NAMESPACE);
xtw.writeAttribute(ATTRIBUTE_DI_HEIGHT, "" + graphicInfo.getHeight());
xtw.writeAttribute(ATTRIBUTE_DI_WIDTH, "" + graphicInfo.getWidth());
xtw.writeAttribute(ATTRIBUTE_DI_X, "" + graphicInfo.getX());
xtw.writeAttribute(ATTRIBUTE_DI_Y, "" + graphicInfo.getY());
xtw.writeEndElement();
xtw.writeEndElement();
}
}
for (String elementId : model.getFlowLocationMap().keySet()) {
if (model.getFlowElement(elementId) != null || model.getArtifact(elementId) != null ||
model.getMessageFlow(elementId) != null) {
xtw.writeStartElement(BPMNDI_PREFIX, ELEMENT_DI_EDGE, BPMNDI_NAMESPACE);
xtw.writeAttribute(ATTRIBUTE_DI_BPMNELEMENT, elementId);
xtw.writeAttribute(ATTRIBUTE_ID, "BPMNEdge_" + elementId);
List<GraphicInfo> graphicInfoList = model.getFlowLocationGraphicInfo(elementId);
for (GraphicInfo graphicInfo : graphicInfoList) {
xtw.writeStartElement(OMGDI_PREFIX, ELEMENT_DI_WAYPOINT, OMGDI_NAMESPACE);
xtw.writeAttribute(ATTRIBUTE_DI_X, "" + graphicInfo.getX());
xtw.writeAttribute(ATTRIBUTE_DI_Y, "" + graphicInfo.getY());
xtw.writeEndElement();
}
GraphicInfo labelGraphicInfo = model.getLabelGraphicInfo(elementId);
FlowElement flowElement = model.getFlowElement(elementId);
MessageFlow messageFlow = null;
if (flowElement == null) {
messageFlow = model.getMessageFlow(elementId);
}
boolean hasName = false;
if (flowElement != null && StringUtils.isNotEmpty(flowElement.getName())) {
hasName = true;
} else if (messageFlow != null && StringUtils.isNotEmpty(messageFlow.getName())) {
hasName = true;
}
if (labelGraphicInfo != null && hasName) {
xtw.writeStartElement(BPMNDI_PREFIX, ELEMENT_DI_LABEL, BPMNDI_NAMESPACE);
xtw.writeStartElement(OMGDC_PREFIX, ELEMENT_DI_BOUNDS, OMGDC_NAMESPACE);
xtw.writeAttribute(ATTRIBUTE_DI_HEIGHT, "" + labelGraphicInfo.getHeight());
xtw.writeAttribute(ATTRIBUTE_DI_WIDTH, "" + labelGraphicInfo.getWidth());
xtw.writeAttribute(ATTRIBUTE_DI_X, "" + labelGraphicInfo.getX());
xtw.writeAttribute(ATTRIBUTE_DI_Y, "" + labelGraphicInfo.getY());
xtw.writeEndElement();
xtw.writeEndElement();
}
xtw.writeEndElement();
}
}
// end BPMN DI elements
xtw.writeEndElement();
xtw.writeEndElement();
}
}