/* 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.camunda.bpm.model.bpmn.impl.instance.camunda;
import java.util.List;
import org.camunda.bpm.model.bpmn.impl.instance.BpmnModelElementInstanceImpl;
import org.camunda.bpm.model.bpmn.instance.BpmnModelElementInstance;
import org.camunda.bpm.model.bpmn.instance.camunda.CamundaGenericValueElement;
import org.camunda.bpm.model.xml.impl.instance.ModelTypeInstanceContext;
import org.camunda.bpm.model.xml.impl.util.ModelUtil;
import org.camunda.bpm.model.xml.instance.DomElement;
/**
* A helper interface for camunda extension elements which
* hold a generic child element like camunda:inputParameter,
* camunda:outputParameter and camunda:entry.
*
* @author Sebastian Menski
*/
public class CamundaGenericValueElementImpl extends BpmnModelElementInstanceImpl implements CamundaGenericValueElement {
public CamundaGenericValueElementImpl(ModelTypeInstanceContext instanceContext) {
super(instanceContext);
}
@SuppressWarnings("unchecked")
public <T extends BpmnModelElementInstance> T getValue() {
List<DomElement> childElements = getDomElement().getChildElements();
if (childElements.isEmpty()) {
return null;
}
else {
return (T) ModelUtil.getModelElement(childElements.get(0), modelInstance);
}
}
public void removeValue() {
DomElement domElement = getDomElement();
List<DomElement> childElements = domElement.getChildElements();
for (DomElement childElement : childElements) {
domElement.removeChild(childElement);
}
}
public <T extends BpmnModelElementInstance> void setValue(T value) {
removeValue();
getDomElement().appendChild(value.getDomElement());
}
}