ActiveMQ example source code file (JNDIConfiguration.java)

This example ActiveMQ source code file (JNDIConfiguration.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 - ActiveMQ tags/keywords

connectionfactory, connectionfactory, illegalargumentexception, initialcontext, jms-url, jndi_jms_url, jndiconfiguration, jndiconfiguration, namenotfoundexception, naming, namingexception, namingexception, runtimeexception, string, string, util

The ActiveMQ JNDIConfiguration.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.activemq.web.config;

import java.util.Collection;

import javax.jms.ConnectionFactory;
import javax.management.remote.JMXServiceURL;
import javax.naming.InitialContext;
import javax.naming.NameNotFoundException;
import javax.naming.NamingException;

/**
 * Configuration based on JNDI values.
 *
 * 
 */
public class JNDIConfiguration extends AbstractConfiguration {

    private static final String JNDI_JMS_CONNECTION_FACTORY = "java:comp/env/jms/connectionFactory";
    private static final String JNDI_JMS_URL = "java:comp/env/jms/url";
    private static final String JNDI_JMS_USER = "java:comp/env/jms/user";
    private static final String JNDI_JMS_PASSWORD = "java:comp/env/jms/password";

    private static final String JNDI_JMX_URL = "java:comp/env/jmx/url";
    private static final String JNDI_JMX_USER = "java:comp/env/jmx/user";
    private static final String JNDI_JMX_PASSWORD = "java:comp/env/jmx/password";

    private InitialContext context;

    public JNDIConfiguration() throws NamingException {
        this.context = new InitialContext();
    }

    public JNDIConfiguration(InitialContext context) {
        this.context = context;
    }

    public ConnectionFactory getConnectionFactory() {
        try {
            ConnectionFactory connectionFactory = (ConnectionFactory) this.context
                    .lookup(JNDI_JMS_CONNECTION_FACTORY);
            return connectionFactory;
        } catch (NameNotFoundException e) {
            // try to find an url
        } catch (NamingException e) {
            throw new RuntimeException(e);
        }

        try {
            String jmsUrl = (String) this.context.lookup(JNDI_JMS_URL);
            if (jmsUrl == null) {
                throw new IllegalArgumentException(
                        "A JMS-url must be specified (system property "
                                + JNDI_JMS_URL);
            }

            String jmsUser = getJndiString(JNDI_JMS_USER);
            String jmsPassword = getJndiString(JNDI_JMS_PASSWORD);
            return makeConnectionFactory(jmsUrl, jmsUser, jmsPassword);
        } catch (NameNotFoundException e) {
            throw new IllegalArgumentException(
                    "Neither a ConnectionFactory nor a JMS-url were specified");
        } catch (NamingException e) {
            throw new RuntimeException(e);
        }
    }

    protected String getJndiString(String name) {
        try {
            return (String) this.context.lookup(name);
        } catch (NamingException e) {
            return null;
        }
    }

    public Collection<JMXServiceURL> getJmxUrls() {
        String jmxUrls = getJndiString(JNDI_JMX_URL);
        return makeJmxUrls(jmxUrls);
    }

    public String getJmxPassword() {
        return getJndiString(JNDI_JMX_PASSWORD);
    }

    public String getJmxUser() {
        return getJndiString(JNDI_JMX_USER);
    }

}