Package sandesha2.samples.userguide

Source Code of sandesha2.samples.userguide.SyncEchoClient$TestCallback

/*
* Copyright 2004,2005 The Apache Software Foundation.
*
* 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 sandesha2.samples.userguide;

import java.io.File;

import javax.xml.namespace.QName;

import org.apache.axiom.om.OMAbstractFactory;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMFactory;
import org.apache.axiom.om.OMNamespace;
import org.apache.axiom.soap.SOAPBody;
import org.apache.axis2.Constants;
import org.apache.axis2.addressing.EndpointReference;
import org.apache.axis2.client.Options;
import org.apache.axis2.client.ServiceClient;
import org.apache.axis2.client.async.AsyncResult;
import org.apache.axis2.client.async.Callback;
import org.apache.axis2.context.ConfigurationContext;
import org.apache.axis2.context.ConfigurationContextFactory;
import org.apache.sandesha2.client.SandeshaClientConstants;


public class SyncEchoClient {

  private final static String applicationNamespaceName = "http://tempuri.org/";
  private final static String echoString = "echoString";
  private final static String Text = "Text";
  private final static String Sequence = "Sequence";
  private final static String echoStringResponse = "echoStringResponse";
  private final static String EchoStringReturn = "EchoStringReturn";
 
  private String toIP = "127.0.0.1";
 
  private String toPort = "8070";
 
  private String toEPR = "http://" + toIP +  ":" + toPort + "/axis2/services/RMSampleService";

  private static String SANDESHA2_HOME = "<SANDESHA2_HOME>"; //Change this to ur path.
 
  private static String AXIS2_CLIENT_PATH = SANDESHA2_HOME + File.separator + "target" + File.separator +"repos" + File.separator + "client" + File.separator;   //this will be available after a maven build
 
  public static void main(String[] args) throws Exception {
   
    String axisClientRepo = null;
    if (args!=null && args.length>0)
      axisClientRepo = args[0];
   
    if (axisClientRepo!=null && !"".equals(axisClientRepo)) {
      AXIS2_CLIENT_PATH = axisClientRepo;
      SANDESHA2_HOME = "";
    }
   
    new SyncEchoClient().run();
  }
 
  private void run () throws Exception {
    if ("<SANDESHA2_HOME>".equals(SANDESHA2_HOME)){
      System.out.println("ERROR: Please change <SANDESHA2_HOME> to your Sandesha2 installation directory.");
      return;
    }
   
    String axis2_xml = AXIS2_CLIENT_PATH + "client_axis2.xml";
    ConfigurationContext configContext = ConfigurationContextFactory.createConfigurationContextFromFileSystem(AXIS2_CLIENT_PATH,axis2_xml);

    ServiceClient serviceClient = new ServiceClient (configContext,null);
   
//    serviceClient.engageModule(new QName ("sandesha2"));
   
    Options clientOptions = new Options ();
   
    clientOptions.setTo(new EndpointReference (toEPR));
   
    String sequenceKey = "sequence3";
    clientOptions.setProperty(SandeshaClientConstants.SEQUENCE_KEY,sequenceKey);

    //You must set the following two properties in the request-reply case.
    clientOptions.setTransportInProtocol(Constants.TRANSPORT_HTTP);
    clientOptions.setUseSeparateListener(true);
    clientOptions.setAction("urn:wsrm:EchoString");
   
//    clientOptions.setProperty(MessageContextConstants.CHUNKED,Constants.VALUE_FALSE);   //uncomment this to send messages without chunking.
//    clientOptions.setSoapVersionURI(SOAP12Constants.SOAP_ENVELOPE_NAMESPACE_URI);   //uncomment this to send messages in SOAP 1.2
//    clientOptions.setProperty(SandeshaClient.RM_SPEC_VERSION,Sandesha2Constants.SPEC_VERSIONS.v1_1);  //uncomment this to send the messages according to the v1_1 spec.
//    clientOptions.setProperty(SandeshaClient.OFFERED_SEQUENCE_ID,SandeshaUtil.getUUID());  //Uncomment this to offer a sequenceID for the incoming sequence.
   
    serviceClient.setOptions(clientOptions);
   
    Callback callback1 = new TestCallback ("Callback 1");
    serviceClient.sendReceiveNonBlocking(getEchoOMBlock("echo1",sequenceKey),callback1);
   
    clientOptions.setAction("urn:wsrm:EchoString");
    Callback callback2 = new TestCallback ("Callback 2");
    serviceClient.sendReceiveNonBlocking(getEchoOMBlock("echo2",sequenceKey),callback2);
   
    clientOptions.setAction("urn:wsrm:EchoString");
   
    clientOptions.setProperty(SandeshaClientConstants.LAST_MESSAGE, "true");
    Callback callback3 = new TestCallback ("Callback 3");
    serviceClient.sendReceiveNonBlocking(getEchoOMBlock("echo3",sequenceKey),callback3);
   
        while (!callback3.isComplete()) {
            Thread.sleep(1000);
        }
  }

  private static OMElement getEchoOMBlock(String text, String sequenceKey) {   
    OMFactory fac = OMAbstractFactory.getOMFactory();
    OMNamespace applicationNamespace = fac.createOMNamespace(applicationNamespaceName,"ns1");
    OMElement echoStringElement = fac.createOMElement(echoString, applicationNamespace);
    OMElement textElem = fac.createOMElement(Text,applicationNamespace);
    OMElement sequenceElem = fac.createOMElement(Sequence,applicationNamespace);
   
    textElem.setText(text);
    sequenceElem.setText(sequenceKey);
    echoStringElement.addChild(textElem);
    echoStringElement.addChild(sequenceElem);

    return echoStringElement;
  }

  private class TestCallback extends Callback {

    String name = null;
   
    public TestCallback (String name) {
      this.name = name;
    }
   
    public String toString () {
      return name;
    }
   
    public void onComplete(AsyncResult result) {
      //System.out.println("On Complete Called for " + text);
      SOAPBody body = result.getResponseEnvelope().getBody();
     
      OMElement echoStringResponseElem = body.getFirstChildWithName(new QName (applicationNamespaceName,echoStringResponse));
      if (echoStringResponseElem==null) {
        System.out.println("Error: SOAPBody does not have a 'echoStringResponse' child");
        return;
      }
     
      OMElement echoStringReturnElem = echoStringResponseElem.getFirstChildWithName(new QName (applicationNamespaceName,EchoStringReturn));
      if (echoStringReturnElem==null) {
        System.out.println("Error: 'echoStringResponse' element does not have a 'EchoStringReturn' child");
        return;
      }
     
      String resultStr = echoStringReturnElem.getText();
      System.out.println("Callback '" + name +  "' got result:" + resultStr);
     
    }

    public void onError(Exception e) {
      // TODO Auto-generated method stub
      System.out.println("Error reported for test call back");
    }
  }
 
}
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