/* 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.child;
import javax.xml.stream.XMLStreamReader;
import org.activiti.bpmn.converter.util.BpmnXMLUtil;
import org.activiti.bpmn.model.Activity;
import org.activiti.bpmn.model.BaseElement;
import org.activiti.bpmn.model.BpmnModel;
import org.activiti.bpmn.model.DataSpec;
import org.activiti.bpmn.model.IOSpecification;
import org.activiti.bpmn.model.Process;
import org.apache.commons.lang3.StringUtils;
/**
* @author Tijs Rademakers
*/
public class IOSpecificationParser extends BaseChildElementParser {
public String getElementName() {
return ELEMENT_IOSPECIFICATION;
}
public void parseChildElement(XMLStreamReader xtr, BaseElement parentElement, BpmnModel model) throws Exception {
if (parentElement instanceof Activity == false && parentElement instanceof Process == false) return;
IOSpecification ioSpecification = new IOSpecification();
BpmnXMLUtil.addXMLLocation(ioSpecification, xtr);
boolean readyWithIOSpecification = false;
try {
while (readyWithIOSpecification == false && xtr.hasNext()) {
xtr.next();
if (xtr.isStartElement() && ELEMENT_DATA_INPUT.equalsIgnoreCase(xtr.getLocalName())) {
DataSpec dataSpec = new DataSpec();
BpmnXMLUtil.addXMLLocation(dataSpec, xtr);
dataSpec.setId(xtr.getAttributeValue(null, ATTRIBUTE_ID));
dataSpec.setName(xtr.getAttributeValue(null, ATTRIBUTE_NAME));
dataSpec.setItemSubjectRef(parseItemSubjectRef(xtr.getAttributeValue(null, ATTRIBUTE_ITEM_SUBJECT_REF), model));
ioSpecification.getDataInputs().add(dataSpec);
} else if (xtr.isStartElement() && ELEMENT_DATA_OUTPUT.equalsIgnoreCase(xtr.getLocalName())) {
DataSpec dataSpec = new DataSpec();
BpmnXMLUtil.addXMLLocation(dataSpec, xtr);
dataSpec.setId(xtr.getAttributeValue(null, ATTRIBUTE_ID));
dataSpec.setName(xtr.getAttributeValue(null, ATTRIBUTE_NAME));
dataSpec.setItemSubjectRef(parseItemSubjectRef(xtr.getAttributeValue(null, ATTRIBUTE_ITEM_SUBJECT_REF), model));
ioSpecification.getDataOutputs().add(dataSpec);
} else if (xtr.isStartElement() && ELEMENT_DATA_INPUT_REFS.equalsIgnoreCase(xtr.getLocalName())) {
String dataInputRefs = xtr.getElementText();
if (StringUtils.isNotEmpty(dataInputRefs)) {
ioSpecification.getDataInputRefs().add(dataInputRefs.trim());
}
} else if (xtr.isStartElement() && ELEMENT_DATA_OUTPUT_REFS.equalsIgnoreCase(xtr.getLocalName())) {
String dataOutputRefs = xtr.getElementText();
if (StringUtils.isNotEmpty(dataOutputRefs)) {
ioSpecification.getDataOutputRefs().add(dataOutputRefs.trim());
}
} else if (xtr.isEndElement() && getElementName().equalsIgnoreCase(xtr.getLocalName())) {
readyWithIOSpecification = true;
}
}
} catch (Exception e) {
LOGGER.warn("Error parsing ioSpecification child elements", e);
}
if (parentElement instanceof Process) {
((Process) parentElement).setIoSpecification(ioSpecification);
} else {
((Activity) parentElement).setIoSpecification(ioSpecification);
}
}
protected String parseItemSubjectRef(String itemSubjectRef, BpmnModel model) {
String result = null;
if (StringUtils.isNotEmpty(itemSubjectRef)) {
int indexOfP = itemSubjectRef.indexOf(':');
if (indexOfP != -1) {
String prefix = itemSubjectRef.substring(0, indexOfP);
String resolvedNamespace = model.getNamespace(prefix);
result = resolvedNamespace + ":" + itemSubjectRef.substring(indexOfP + 1);
} else {
result = model.getTargetNamespace() + ":" + itemSubjectRef;
}
}
return result;
}
}