Apache CXF example source code file (HWSoapMessageDocProvider.java)

This example Apache CXF source code file (HWSoapMessageDocProvider.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Apache CXF tags/keywords

annotation, continuation, continuationprovider, dom, exception, exception, hwsoapmessagedocprovider, io, node, qname, qname, resource, runtimeexception, runtimeexception, soapmessage, soapmessage, webserviceprovider, xml

The Apache CXF HWSoapMessageDocProvider.java source code

/**
 * 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.cxf.systest.jms.continuations;

import java.io.InputStream;

import javax.annotation.Resource;
import javax.xml.namespace.QName;
import javax.xml.soap.MessageFactory;
import javax.xml.soap.SOAPBody;
import javax.xml.soap.SOAPMessage;
import javax.xml.ws.Provider;
import javax.xml.ws.Service;
import javax.xml.ws.ServiceMode;
import javax.xml.ws.WebServiceContext;
import javax.xml.ws.WebServiceProvider;
import javax.xml.ws.handler.MessageContext;
import javax.xml.ws.soap.SOAPFaultException;

import org.w3c.dom.Element;
import org.w3c.dom.Node;

import org.apache.cxf.continuations.Continuation;
import org.apache.cxf.continuations.ContinuationProvider;
import org.apache.cxf.helpers.DOMUtils;



@WebServiceProvider(serviceName = "HelloWorldService", 
            portName = "HelloWorldPort",
            targetNamespace = "http://cxf.apache.org/hello_world_jms",
            wsdlLocation = "/org/apache/cxf/systest/jms/continuations/jms_test.wsdl")
@ServiceMode(value = Service.Mode.MESSAGE)
public class HWSoapMessageDocProvider implements Provider<SOAPMessage> {

    private static QName sayHi = new QName("http://apache.org/hello_world_soap_http", "sayHi");
    private static QName greetMe = new QName("http://apache.org/hello_world_soap_http", "greetMe");
    
    @Resource 
    WebServiceContext ctx;
    
    private SOAPMessage sayHiResponse;
    private SOAPMessage greetMeResponse;
    
    public HWSoapMessageDocProvider() {
       
        try {
            MessageFactory factory = MessageFactory.newInstance();            
            InputStream is = getClass().getResourceAsStream("resources/GreetMeDocLiteralResp.xml");
            greetMeResponse =  factory.createMessage(null, is);
            is.close();
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
    
    public SOAPMessage invoke(SOAPMessage request) {
        try {
            final MessageContext messageContext = ctx.getMessageContext();

            ContinuationProvider contProvider = 
                (ContinuationProvider) messageContext.get(ContinuationProvider.class.getName());
            final Continuation continuation = contProvider.getContinuation();
            
            if (continuation.isNew()) {
                continuation.suspend(5000);
                new Thread(new Runnable() {
                    public void run() {
                        try {
                            continuation.resume();
                        } catch (Exception e) {
                            e.printStackTrace();
                        }
                    }
                }).start();
                return null;
            } else if (!continuation.isResumed()) {
                continuation.reset();
                throw new RuntimeException("time out");
            } else {
                return resumeMessage(request);
            }
        } catch (SOAPFaultException e) {
            throw e;
        } 
        
    }
    
    public SOAPMessage resumeMessage(SOAPMessage request) {
        if (IncomingMessageCounterInterceptor.getMessageCount() != 1) {
            throw new RuntimeException("IncomingMessageCounterInterceptor get invoked twice");
        }
        QName qn = (QName)ctx.getMessageContext().get(MessageContext.WSDL_OPERATION);
        if (qn == null) {
            throw new RuntimeException("No Operation Name");
        }
        
        SOAPMessage response = null;        
        try {
            SOAPBody body = request.getSOAPBody();
            Node n = body.getFirstChild();

            while (n.getNodeType() != Node.ELEMENT_NODE) {
                n = n.getNextSibling();
            }
            if (n.getLocalName().equals(sayHi.getLocalPart())) {
                response = sayHiResponse;
            } else if (n.getLocalName().equals(greetMe.getLocalPart())) {
                Element el = DOMUtils.getFirstElement(n);
                String v = DOMUtils.getContent(el);
                if (v.contains("Return sayHi")) {
                    response = sayHiResponse;
                } else {
                    response = greetMeResponse;
                }
            }
        } catch (Exception ex) {
            ex.printStackTrace();
        }
        return response;
    }
}