Is there any way to configure jms transport for axis2 client programatically? - axis2

Question

I know how to configure jms transport within axis2.xml, but i need to configure it with my specific application properties that could be changed in runtime.

Answer 1

I found solution, hope it will be helpful
package com.mycompany.client.config;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;
import javax.naming.Context;
import org.apache.axiom.om.OMAbstractFactory;
import org.apache.axiom.om.OMAttribute;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMFactory;
import org.apache.axiom.om.OMNode;
import org.apache.axis2.AxisFault;
import org.apache.axis2.context.ConfigurationContext;
import org.apache.axis2.context.ConfigurationContextFactory;
import org.apache.axis2.description.Parameter;
import org.apache.axis2.description.ParameterInclude;
import org.apache.axis2.description.TransportInDescription;
import org.apache.axis2.description.TransportOutDescription;
import org.apache.axis2.engine.AxisConfiguration;
import org.apache.axis2.transport.TransportListener;
import org.apache.axis2.transport.TransportSender;
import org.apache.axis2.transport.jms.JMSConstants;
import org.apache.axis2.transport.jms.JMSListener;
import org.apache.axis2.transport.jms.JMSSender;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import com.mycompany.client.config.exceptions.ConfigurationException;
import com.mycompany.client.jms.JMSWebServiceClient;
import com.mycompany.stub.FtthRequestStub;
public class ConfigurationManager {
static Log log = LogFactory.getLog(ConfigurationManager.class);
private static final String DEFAULT_TRANSPORT_PARAMETER_NAME = "default";
public JMSWebServiceClient configureJMSClient() throws Exception {
FtthRequestStub stub;
ConfigurationContext ctx;
boolean isAuthenticationEnabled = false;
Map<String,String> jmsTransportProps = getAxisTransportConfiguration(isAuthenticationEnabled);
String url = buildUrlFromMap(jmsTransportProps);
ctx = ConfigurationContextFactory.createDefaultConfigurationContext();
//transport in
TransportListener tl = new JMSListener();
TransportInDescription transportIn = new TransportInDescription("jms");
addParameterToTransport(jmsTransportProps,transportIn);
transportIn.setReceiver(tl);
// transport out
TransportSender transportSender = new JMSSender();
TransportOutDescription transportOut = new TransportOutDescription("jms");
addParameterToTransport(jmsTransportProps, transportOut);
transportOut.setSender(transportSender);
transportSender.init(ctx, transportOut); //very important call because transport senders are not initialized during createDefaultConfigurationContext() invocation.
AxisConfiguration axisConfiguration = ctx.getAxisConfiguration();
axisConfiguration.addTransportIn(transportIn);
axisConfiguration.addTransportOut(transportOut);
stub = new FtthRequestStub(ctx,url);
String replyTo = getReplyDestination();
if(StringUtils.isNotEmpty(replyTo)) {
stub._getServiceClient().getServiceContext().setProperty(JMSConstants.JMS_REPLY_TO, replyTo);
}
JMSWebServiceClient client = new JMSWebServiceClient(stub);
return client;
}
private void addParameterToTransport(Map<String,String> jmsTransportProps,
ParameterInclude transportInOut) throws ConfigurationException {
try {
Parameter parameter = new Parameter();
parameter.setName(DEFAULT_TRANSPORT_PARAMETER_NAME);
parameter.setValue(buildParameterOMElementFromMap(DEFAULT_TRANSPORT_PARAMETER_NAME, jmsTransportProps, false));
transportInOut.addParameter(parameter);
} catch (AxisFault e) {
throw new ConfigurationException(e.getMessage());
}
}
private static OMElement createRootParameterOMElement(String name) {
OMFactory omFactory = OMAbstractFactory.getOMFactory();
OMElement defaultReceiverParameter = omFactory.createOMElement(new javax.xml.namespace.QName("parameter"));
OMAttribute nameAttribute = omFactory.createOMAttribute("name", null, name);
defaultReceiverParameter.addAttribute(nameAttribute);
return defaultReceiverParameter;
}
private static OMElement buildParameterOMElementFromMap(String rootElementName, Map<String,String> properties, boolean rootIsLocked) {
OMFactory omFactory = OMAbstractFactory.getOMFactory();
//creating root <parameter>
OMElement root = omFactory.createOMElement(new javax.xml.namespace.QName("parameter"));
OMAttribute attribute = omFactory.createOMAttribute("name", null, rootElementName);
root.addAttribute(attribute);
attribute = omFactory.createOMAttribute("locked", null, String.valueOf(rootIsLocked));
root.addAttribute(attribute);
//creating child <parameter> elements
for(String key : properties.keySet())
{
OMElement child = omFactory.createOMElement(new javax.xml.namespace.QName("parameter"));
attribute = omFactory.createOMAttribute("name", null, key);
child.addAttribute(attribute);
attribute = omFactory.createOMAttribute("locked", null, Boolean.FALSE.toString());
child.addAttribute(attribute);
OMNode text = omFactory.createOMText(properties.get(key));
child.addChild(text);
root.addChild(child);
}
return root;
}
private static String buildUrlFromMap(Map<String,String> properties) {
StringBuffer url = new StringBuffer();
url.append(JMSConstants.JMS_PREFIX);
url.append(getDestination()).append("?"); //send destination
for(String key : properties.keySet()) {
url.append(key).append("=").append(properties.get(key)).append("&");
}
return StringUtils.chop(url.toString());
}
private static String getDestination() {
return "testQueue";
}
private static String getReplyDestination() {
return "replyQueue";
}
private Map<String,String> getAxisTransportConfiguration(boolean authenticationEnabled) {
Map<String,String> properties = new HashMap<String,String>();
properties.put(JMSConstants.PARAM_CONFAC_JNDI_NAME, "QueueConnectionFactory");
properties.put(Context.INITIAL_CONTEXT_FACTORY, "org.apache.activemq.jndi.ActiveMQInitialContextFactory");
properties.put(Context.PROVIDER_URL, "tcp://localhost:61616");
if(authenticationEnabled) {
properties.put(JMSConstants.PARAM_JMS_USERNAME, "username");
properties.put(JMSConstants.PARAM_JMS_PASSWORD, "password");
}
return properties;
}
}