/* 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.engine.impl.bpmn.parser.handler;
import org.activiti.bpmn.model.DataAssociation;
import org.activiti.bpmn.model.FlowNode;
import org.activiti.engine.delegate.Expression;
import org.activiti.engine.impl.bpmn.data.AbstractDataAssociation;
import org.activiti.engine.impl.bpmn.data.Assignment;
import org.activiti.engine.impl.bpmn.data.SimpleDataInputAssociation;
import org.activiti.engine.impl.bpmn.data.TransformationDataOutputAssociation;
import org.activiti.engine.impl.bpmn.parser.BpmnParse;
import org.activiti.engine.impl.bpmn.webservice.MessageImplicitDataInputAssociation;
import org.activiti.engine.impl.bpmn.webservice.MessageImplicitDataOutputAssociation;
import org.apache.commons.lang3.StringUtils;
/**
* @author Joram Barrez
*/
public abstract class AbstractExternalInvocationBpmnParseHandler<T extends FlowNode> extends AbstractActivityBpmnParseHandler<T> {
public AbstractDataAssociation createDataInputAssociation(BpmnParse bpmnParse, DataAssociation dataAssociationElement) {
if (dataAssociationElement.getAssignments().isEmpty()) {
return new MessageImplicitDataInputAssociation(dataAssociationElement.getSourceRef(), dataAssociationElement.getTargetRef());
} else {
SimpleDataInputAssociation dataAssociation = new SimpleDataInputAssociation(
dataAssociationElement.getSourceRef(), dataAssociationElement.getTargetRef());
for (org.activiti.bpmn.model.Assignment assigmentElement : dataAssociationElement.getAssignments()) {
if (StringUtils.isNotEmpty(assigmentElement.getFrom()) && StringUtils.isNotEmpty(assigmentElement.getTo())) {
Expression from = bpmnParse.getExpressionManager().createExpression(assigmentElement.getFrom());
Expression to = bpmnParse.getExpressionManager().createExpression(assigmentElement.getTo());
Assignment assignment = new Assignment(from, to);
dataAssociation.addAssignment(assignment);
}
}
return dataAssociation;
}
}
public AbstractDataAssociation createDataOutputAssociation(BpmnParse bpmnParse, DataAssociation dataAssociationElement) {
if (StringUtils.isNotEmpty(dataAssociationElement.getSourceRef())) {
return new MessageImplicitDataOutputAssociation(dataAssociationElement.getTargetRef(), dataAssociationElement.getSourceRef());
} else {
Expression transformation = bpmnParse.getExpressionManager().createExpression(dataAssociationElement.getTransformation());
AbstractDataAssociation dataOutputAssociation = new TransformationDataOutputAssociation(null, dataAssociationElement.getTargetRef(), transformation);
return dataOutputAssociation;
}
}
}