/* 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.webservice;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.activiti.engine.impl.bpmn.webservice.MessageDefinition;
import org.activiti.engine.impl.bpmn.webservice.MessageInstance;
import org.activiti.engine.impl.bpmn.webservice.Operation;
import org.activiti.engine.impl.bpmn.webservice.OperationImplementation;
/**
* Represents a WS implementation of a {@link Operation}
*
* @author Esteban Robles Luna
*/
public class WSOperation implements OperationImplementation {
private static final Logger LOGGER = Logger.getLogger(WSOperation.class.getName());
protected String id;
protected String name;
protected WSService service;
public WSOperation(String id, String operationName, WSService service) {
this.id = id;
this.name = operationName;
this.service = service;
}
/**
* {@inheritDoc}
*/
public String getId() {
return this.id;
}
/**
* {@inheritDoc}
*/
public String getName() {
return this.name;
}
/**
* {@inheritDoc}
*/
public MessageInstance sendFor(MessageInstance message, Operation operation) {
Object[] arguments = this.getArguments(message);
Object[] results = this.safeSend(arguments);
return this.createResponseMessage(results, operation);
}
private Object[] getArguments(MessageInstance message) {
return message.getStructureInstance().toArray();
}
private Object[] safeSend(Object[] arguments) {
Object[] results = null;
try {
results = this.service.getClient().send(this.name, arguments);
} catch (Exception e) {
LOGGER.log(Level.WARNING, "Error calling WS " + this.service.getName(), e);
}
if (results == null) {
results = new Object[] {};
}
return results;
}
private MessageInstance createResponseMessage(Object[] results, Operation operation) {
MessageInstance message = null;
MessageDefinition outMessage = operation.getOutMessage();
if (outMessage != null) {
message = outMessage.createInstance();
message.getStructureInstance().loadFrom(results);
}
return message;
}
public WSService getService() {
return this.service;
}
}