| /* |
| * Copyright 2002,2004 The Apache Software Foundation. |
| * |
| * Licensed 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.commons.jelly.tags.jms; |
| |
| import javax.jms.JMSException; |
| |
| import org.apache.commons.jelly.JellyTagException; |
| import org.apache.commons.jelly.TagSupport; |
| import org.apache.commons.jelly.XMLOutput; |
| import org.apache.commons.messenger.Messenger; |
| import org.apache.commons.messenger.MessengerManager; |
| |
| /** Defines a JMS connection for use by other JMS tags. |
| * |
| * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> |
| * @version $Revision: 1.5 $ |
| */ |
| public class ConnectionTag extends TagSupport implements ConnectionContext { |
| |
| /** The variable name to create */ |
| private String var; |
| |
| /** Stores the name of the map entry */ |
| private String name; |
| |
| /** The Messenger */ |
| private Messenger connection; |
| |
| // ConnectionContext interface |
| //------------------------------------------------------------------------- |
| public Messenger getConnection() { |
| return connection; |
| } |
| |
| // Tag interface |
| //------------------------------------------------------------------------- |
| public void doTag(XMLOutput output) throws JellyTagException { |
| |
| try { |
| connection = MessengerManager.get( name ); |
| } |
| catch (JMSException e) { |
| throw new JellyTagException(e); |
| } |
| |
| if (connection == null) { |
| throw new JellyTagException( "Could not find a JMS connection called: " + name ); |
| } |
| |
| if ( var != null ) { |
| context.setVariable( var, connection ); |
| } |
| |
| invokeBody(output); |
| } |
| |
| // Properties |
| //------------------------------------------------------------------------- |
| |
| /** Sets the name of the Messenger (JMS connection pool) to use |
| */ |
| public void setName(String name) { |
| this.name = name; |
| } |
| |
| /** Sets the variable name to use for the exported Messenger (JMS connection pool) |
| */ |
| public void setVar(String var) { |
| this.var = var; |
| } |
| } |