/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.servicemix.examples.cxf.soaphandler;
import java.util.Map;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBElement;
import javax.xml.bind.JAXBException;
import javax.xml.transform.Source;
import javax.xml.ws.LogicalMessage;
import javax.xml.ws.ProtocolException;
import javax.xml.ws.WebServiceException;
import javax.xml.ws.handler.LogicalHandler;
import javax.xml.ws.handler.LogicalMessageContext;
import javax.xml.ws.handler.MessageContext;
import org.apache.handlers.types.AddNumbers;
import org.apache.handlers.types.AddNumbersResponse;
import org.apache.handlers.types.ObjectFactory;
/**
* handles addition of small numbers.
*/
public class SmallNumberHandler implements LogicalHandler<LogicalMessageContext> {
// Implementation of javax.xml.ws.handler.Handler
public final boolean handleMessage(LogicalMessageContext messageContext) {
System.out.println("LogicalMessageHandler handleMessage called");
try {
boolean outbound = (Boolean)messageContext.get(MessageContext.MESSAGE_OUTBOUND_PROPERTY);
if (outbound) {
// get the LogicalMessage from our context
//
LogicalMessage msg = messageContext.getMessage();
// check the payload, if its an AddNumbers request, we'll intervene
//
JAXBContext jaxbContext = JAXBContext.newInstance(ObjectFactory.class);
Object payload = msg.getPayload(jaxbContext);
if (payload instanceof JAXBElement) {
payload = ((JAXBElement)payload).getValue();
}
if (payload instanceof AddNumbers) {
AddNumbers req = (AddNumbers)payload;
// now, if the arguments are small, let's do the calculation here
//
int a = req.getArg0();
int b = req.getArg1();
if (isSmall(a) && isSmall(b)) {
int answer = a + b;
//System.out.printf("SmallNumberHandler addNumbers(%d, %d) == %d\n", a, b, answer);
// ok, we've done the calculation, so build the
// response and set it as the payload of the message
AddNumbersResponse resp = new AddNumbersResponse();
resp.setReturn(answer);
msg.setPayload(new ObjectFactory().createAddNumbersResponse(resp),
jaxbContext);
Source src = msg.getPayload();
msg.setPayload(src);
payload = msg.getPayload(jaxbContext);
if (payload instanceof JAXBElement) {
payload = ((JAXBElement)payload).getValue();
}
AddNumbersResponse resp2 = (AddNumbersResponse)payload;
if (resp2 == resp) {
throw new WebServiceException("Shouldn't be the same object");
}
// finally, return false, indicating that request
// processing stops here and our answer will be
// returned to the client
return false;
}
}
}
return true;
} catch (JAXBException ex) {
throw new ProtocolException(ex);
}
}
public final boolean handleFault(LogicalMessageContext messageContext) {
System.out.println("LogicalMessageHandler handleFault called");
System.out.println(messageContext);
return true;
}
public void close(MessageContext ctx) {
System.out.println("LogicalHandler close called");
}
public void init(Map config) {
System.out.println("LogicalHandler init called");
}
public void destroy() {
System.out.println("LogicalHandler close called");
}
private boolean isSmall(int i) {
return i > 0 && i <= 10;
}
}