/**
* EasyBeans
* Copyright (C) 2009 Bull S.A.S.
* Contact: easybeans@objectweb.org
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
* USA
*
* --------------------------------------------------------------------------
* $Id: RemoteEasyBeansPluginServer.java 5369 2010-02-24 14:58:19Z benoitf $
* --------------------------------------------------------------------------
*/
package org.ow2.easybeans.mavenplugin.server;
import java.io.IOException;
import javax.management.MBeanServerConnection;
import javax.management.MBeanServerInvocationHandler;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import javax.management.remote.JMXConnector;
import javax.management.remote.JMXConnectorFactory;
import javax.management.remote.JMXServiceURL;
import org.ow2.easybeans.api.EZBServer;
import org.ow2.easybeans.deployer.IRemoteDeployer;
import org.ow2.easybeans.deployer.management.RemoteDeployerIdentifier;
import org.ow2.easybeans.server.management.EmbeddedIdentifier;
/**
* Implementation of IRemotePluginServer interface.
* Provide access of remote EasyBeans instance and operations.
* @author Vincent Michaud
* @author Alexandre Deneux
*/
public class RemoteEasyBeansPluginServer extends AbstractEasyBeansPluginServer {
/**
* Prefix for the JMX service URL.
*/
private static final String PREFIX_JMX_URL = "service:jmx:rmi:///jndi/rmi://";
/**
* Suffix for the JMX service URL.
*/
private static final String SUFFIX_JMX_URL = "/EasyBeansConnector";
/**
* Prefix name for JMX component.
*/
private static final String PREFIX_NAME = "EasyBeans:";
/**
* Name of the EasyBeans server instance.
*/
private static final String SERVER_NAME = "EasyBeans_0";
/**
* The remote deployer.
*/
private IRemoteDeployer rd = null;
/**
* The connection with the server.
*/
private MBeanServerConnection mbsc;
/**
* The name of the MBean server.
*/
private ObjectName serverName;
/**
* Get an instance of launched remote EasyBeans server.
* @param hostname Domaine name used to contact EasyBeans.
* @param numPort Port number used to contact EasyBeans.
* @throws IOException When not any EasyBeans server instance found
*/
public RemoteEasyBeansPluginServer(final String hostname, final int numPort) throws IOException {
if (!localServerFound()) {
try {
// If no server was found, check for a remote server.
JMXServiceURL url = new JMXServiceURL(PREFIX_JMX_URL + hostname + ":" + numPort + SUFFIX_JMX_URL);
serverName = newJMXServerObjectName();
JMXConnector jmxc = JMXConnectorFactory.connect(url, null);
mbsc = jmxc.getMBeanServerConnection();
setServer((EZBServer) MBeanServerInvocationHandler.newProxyInstance(this.mbsc, this.serverName,
EZBServer.class, false));
ObjectName deployerName = newJMXDeployerObjectName();
this.rd = (IRemoteDeployer) MBeanServerInvocationHandler.newProxyInstance(this.mbsc, deployerName,
IRemoteDeployer.class, false);
} catch (MalformedObjectNameException ex) {
getLog().error(ex);
} catch (NullPointerException ex) {
getLog().error(ex);
}
}
}
/**
* Deploy an EJB or an EAR.
* @param filename Name of deployable file
*/
@Override
public synchronized void deployArchive(final String filename) {
if (localServerFound()) {
super.deployArchive(filename);
} else {
this.rd.deploy(filename);
}
}
/**
* Undeploy a deployed EJB or EAR.
* @param filename A deployable deployed on EasyBeans
*/
@Override
public synchronized void undeployArchive(final String filename) {
if (localServerFound()) {
super.undeployArchive(filename);
} else {
this.rd.undeploy(filename);
}
}
/**
* Determine if the server is a remote instance.
* @return True if server is a remote instance.
*/
public boolean isRemoteInstance() {
return !localServerFound();
}
/**
* Get the version of EasyBeans server.
* @return The version
*/
public String getVersion() {
try {
String version = (String) mbsc.getAttribute(serverName, "serverVersion");
return Version.removeRevision(version);
} catch (Exception ex) {
return "";
}
}
/**
* Get the JMX ObjectName of the EasyBeans server component.
* @return The ObjectName
* @exception MalformedObjectNameException If the name is malformed
*/
private ObjectName newJMXServerObjectName() throws MalformedObjectNameException {
StringBuffer buffer = new StringBuffer();
EmbeddedIdentifier ei = new EmbeddedIdentifier();
buffer.append(PREFIX_NAME);
buffer.append(ei.getTypeProperty());
buffer.append(",name=");
buffer.append(SERVER_NAME);
return new ObjectName(buffer.toString());
}
/**
* Get the JMX ObjectName of the EasyBeans deployer component.
* @return The ObjectName
* @exception MalformedObjectNameException If the name is malformed
*/
private ObjectName newJMXDeployerObjectName() throws MalformedObjectNameException {
StringBuffer buffer = new StringBuffer();
RemoteDeployerIdentifier rdi = new RemoteDeployerIdentifier();
buffer.append(PREFIX_NAME);
buffer.append(rdi.getTypeProperty());
buffer.append(",name=");
buffer.append(rdi.getNamePropertyValue(null));
return new ObjectName(buffer.toString());
}
}