1 files changed, 139 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/0.99-incubating/modules/binding-jms/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSResourceFactoryActiveMQImpl.java b/sca-java-1.x/tags/0.99-incubating/modules/binding-jms/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSResourceFactoryActiveMQImpl.java
new file mode 100644
index 0000000000..8d9a0ef210
--- /dev/null
+++ b/sca-java-1.x/tags/0.99-incubating/modules/binding-jms/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSResourceFactoryActiveMQImpl.java
@@ -0,0 +1,139 @@
+/*
+ * 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.tuscany.sca.binding.jms.provider;
+
+import java.util.Properties;
+
+import javax.jms.Connection;
+import javax.jms.ConnectionFactory;
+import javax.jms.Destination;
+import javax.jms.JMSException;
+import javax.jms.Session;
+import javax.naming.Context;
+import javax.naming.InitialContext;
+import javax.naming.NamingException;
+
+import org.apache.tuscany.sca.binding.jms.impl.JMSBinding;
+
+/**
+ * Abstracts away any JMS provide specific feature from the JMS binding
+ *
+ * @version $Rev$ $Date$
+ */
+public class JMSResourceFactoryActiveMQImpl implements JMSResourceFactory {
+
+    private JMSBinding jmsBinding;
+    private Connection connection;
+    private Context    context;
+    private boolean    isConnectionStarted;
+
+    public JMSResourceFactoryActiveMQImpl(JMSBinding jmsBinding) {
+        this.jmsBinding = jmsBinding;
+    }
+
+    /*
+     * This is a simple implementation where a connection is created per binding
+     * Ideally the resource factory should be able to leverage the host
+     * environment to provide connection pooling if it can. E.g. if Tuscany is
+     * running inside an AppServer Then we could leverage the JMS resources it
+     * provides
+     * 
+     * @see org.apache.tuscany.binding.jms.JMSResourceFactory#getConnection()
+     */
+    public Connection getConnection() throws NamingException, JMSException {
+        if (connection == null) {
+            createConnection();
+        }
+        return connection;
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.apache.tuscany.binding.jms.JMSResourceFactory#createSession()
+     */
+    public Session createSession() throws JMSException, NamingException {
+        return getConnection().createSession(false, Session.AUTO_ACKNOWLEDGE);
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.apache.tuscany.binding.jms.JMSResourceFactory#startConnection()
+     */
+    public void startConnection() throws JMSException, NamingException {
+        if (!isConnectionStarted) {
+            getConnection().start();
+            isConnectionStarted = true;
+        }
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.apache.tuscany.binding.jms.JMSResourceFactory#closeConnection()
+     */
+    public void closeConnection() throws JMSException, NamingException {
+        if (connection != null) {
+            connection.close();
+        }
+    }
+
+    private void createConnection() throws NamingException, JMSException {
+        if (context == null) {
+            createInitialContext();
+        }
+        ConnectionFactory connectionFactory = (ConnectionFactory)context.lookup(jmsBinding.getConnectionFactoryName());
+        connection = connectionFactory.createConnection();
+    }
+
+    private void createInitialContext() throws NamingException {
+        Properties props = new Properties();
+        props.setProperty(Context.INITIAL_CONTEXT_FACTORY, 
+                          jmsBinding.getInitialContextFactoryName().trim());
+        props.setProperty(Context.PROVIDER_URL, 
+                          jmsBinding.getJndiURL().trim());
+
+        context = new InitialContext(props);
+    }
+
+    public Destination lookupDestination(String jndiName) throws NamingException {
+        if (context == null) {
+            createInitialContext();
+        }
+        
+        Destination dest = null;
+        
+        try {
+            dest = (Destination)context.lookup(jndiName);
+        } catch(NamingException ex){
+            
+        }   
+        return dest;
+    }
+
+    /**
+     * You can create a destination in ActiveMQ (and have it appear in JNDI)
+     * by putting "dynamicQueues/" in front of the queue name being looked up
+     * 
+     */
+    public Destination createDestination(String jndiName) throws NamingException {
+        return lookupDestination("dynamicQueues/" + jndiName);   
+    }
+}