Java Is Open Source Programming Language You Can Download From Java and Java Libraries From http://www.oracle.com.
We provide this code related to title for you to solve your developing problem easily. Libraries which is import in this program you can download from http://www.oracle.com.
EJB Tutorial from JBoss: resource reference
File: TestENC.java
/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This 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 software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.tutorial.jboss_resource_ref.bean;
import java.rmi.RemoteException;
import javax.naming.NamingException;
/**
@author Scott.Stark@jboss.org
@version $Revision: 57207 $
*/
public interface TestENC
{
public void accessENC() throws NamingException;
public void remove();
}
File: TestENCBean.java
/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This 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 software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.tutorial.jboss_resource_ref.bean;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.ejb.Remove;
import org.apache.log4j.Logger;
import org.jboss.ejb3.Container;
/** A bean that does nothing but access resources from the ENC
to test ENC usage.
@author Scott.Stark@jboss.org
@version $Revision: 57207 $
*/
public class TestENCBean implements TestENC
{
Logger log = Logger.getLogger(getClass());
public void accessENC() throws NamingException
{
// Obtain the enterprise beans environment naming context.
Context initCtx = new InitialContext();
Context myEnv = (Context) initCtx.lookup(Container.ENC_CTX_NAME + "/env");
// This bean should have the full ENC setup of the ENCBean
testJdbcDataSource(initCtx, myEnv);
testMail(initCtx, myEnv);
testJMS(initCtx, myEnv);
testResourceEnvEntries(initCtx, myEnv);
}
private void testJdbcDataSource(Context initCtx, Context myEnv) throws NamingException
{
// JDBC DataSource
Object obj = myEnv.lookup("jdbc/DefaultDS");
if ((obj instanceof javax.sql.DataSource) == false)
throw new NamingException("jdbc/DefaultDS is not a javax.sql.DataSource");
log.info("Found data source resource ref");
}
private void testMail(Context initCtx, Context myEnv) throws NamingException
{
// JavaMail Session
Object obj = myEnv.lookup("mail/DefaultMail");
if ((obj instanceof javax.mail.Session) == false)
throw new NamingException("DefaultMail is not a javax.mail.Session");
log.info("Found mail resource ref");
}
private void testJMS(Context initCtx, Context myEnv) throws NamingException
{
// JavaMail Session
Object obj = myEnv.lookup("jms/QueFactory");
if ((obj instanceof javax.jms.QueueConnectionFactory) == false)
throw new NamingException("mail/DefaultMail is not a javax.jms.QueueConnectionFactory");
log.info("Found jms queue resource ref");
}
private void testResourceEnvEntries(Context initCtx, Context myEnv) throws NamingException
{
Object obj = myEnv.lookup("res/aQueue");
if ((obj instanceof javax.jms.Queue) == false)
throw new NamingException("res/aQueue is not a javax.jms.Queue");
log.info("Found jms queue resource env ref");
}
@Remove
public void remove()
{
}
}
File: Client.java
/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This 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 software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.tutorial.jboss_resource_ref.client;
import javax.naming.InitialContext;
import org.jboss.tutorial.jboss_resource_ref.bean.TestENC;
/**
* Comment
*
* @author <a href="mailto:bill@jboss.org">Bill Burke</a>
* @version $Revision: 57207 $
*/
public class Client
{
public static void main(String[] args) throws Exception
{
TestENC bean = (TestENC)new InitialContext().lookup("ENCBean");
bean.accessENC();
System.out.println("Successfully accessed bean resource references");
bean.remove();
}
}
