/* 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.constants.BpmnXMLConstants;
import org.activiti.bpmn.converter.util.BpmnXMLUtil;
import org.activiti.bpmn.model.Assignment;
import org.activiti.bpmn.model.DataAssociation;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class DataAssociationParser implements BpmnXMLConstants {
protected static final Logger LOGGER = LoggerFactory.getLogger(DataAssociationParser.class.getName());
public static void parseDataAssociation(DataAssociation dataAssociation, String elementName, XMLStreamReader xtr) {
boolean readyWithDataAssociation = false;
Assignment assignment = null;
try {
dataAssociation.setId(xtr.getAttributeValue(null, "id"));
while (readyWithDataAssociation == false && xtr.hasNext()) {
xtr.next();
if (xtr.isStartElement() && ELEMENT_SOURCE_REF.equals(xtr.getLocalName())) {
String sourceRef = xtr.getElementText();
if (StringUtils.isNotEmpty(sourceRef)) {
dataAssociation.setSourceRef(sourceRef.trim());
}
} else if (xtr.isStartElement() && ELEMENT_TARGET_REF.equals(xtr.getLocalName())) {
String targetRef = xtr.getElementText();
if (StringUtils.isNotEmpty(targetRef)) {
dataAssociation.setTargetRef(targetRef.trim());
}
} else if (xtr.isStartElement() && ELEMENT_TRANSFORMATION.equals(xtr.getLocalName())) {
String transformation = xtr.getElementText();
if (StringUtils.isNotEmpty(transformation)) {
dataAssociation.setTransformation(transformation.trim());
}
} else if (xtr.isStartElement() && ELEMENT_ASSIGNMENT.equals(xtr.getLocalName())) {
assignment = new Assignment();
BpmnXMLUtil.addXMLLocation(assignment, xtr);
} else if (xtr.isStartElement() && ELEMENT_FROM.equals(xtr.getLocalName())) {
String from = xtr.getElementText();
if (assignment != null && StringUtils.isNotEmpty(from)) {
assignment.setFrom(from.trim());
}
} else if (xtr.isStartElement() && ELEMENT_TO.equals(xtr.getLocalName())) {
String to = xtr.getElementText();
if (assignment != null && StringUtils.isNotEmpty(to)) {
assignment.setTo(to.trim());
}
} else if (xtr.isEndElement() && ELEMENT_ASSIGNMENT.equals(xtr.getLocalName())) {
if (StringUtils.isNotEmpty(assignment.getFrom()) && StringUtils.isNotEmpty(assignment.getTo())) {
dataAssociation.getAssignments().add(assignment);
}
} else if (xtr.isEndElement() && elementName.equals(xtr.getLocalName())) {
readyWithDataAssociation = true;
}
}
} catch (Exception e) {
LOGGER.warn("Error parsing data association child elements", e);
}
}
}