| /* |
| * 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.Destination; |
| 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; |
| |
| /** Creates a Destination object from a String name. |
| * |
| * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> |
| * @version $Revision: 1.5 $ |
| */ |
| public class DestinationTag extends TagSupport { |
| |
| /** The variable name to create */ |
| private String var; |
| |
| /** Stores the name of the map entry */ |
| private String name; |
| |
| // Tag interface |
| //------------------------------------------------------------------------- |
| public void doTag(XMLOutput output) throws JellyTagException { |
| ConnectionContext messengerTag = (ConnectionContext) findAncestorWithClass( ConnectionContext.class ); |
| if ( messengerTag == null ) { |
| throw new JellyTagException("<jms:destination> tag must be within a <jms:connection> or <jms:send> or <jms:receive> tag"); |
| } |
| |
| Destination destination = null; |
| try { |
| Messenger messenger = messengerTag.getConnection(); |
| if (messenger == null) { |
| throw new JellyTagException("No JMS Connection could be found!" ); |
| } |
| String subject = (name != null) ? name : getBodyText(); |
| destination = messenger.getDestination( subject ); |
| } |
| catch (JMSException e) { |
| throw new JellyTagException(e); |
| } |
| |
| if ( var != null ) { |
| context.setVariable( var, destination ); |
| } |
| else { |
| MessageOperationTag tag = (MessageOperationTag) findAncestorWithClass( MessageOperationTag.class ); |
| if ( tag == null ) { |
| throw new JellyTagException("<jms:destination> tag must be within a <jms:send> or <jms:receive> tag or the 'var' attribute should be specified"); |
| } |
| tag.setDestination( destination ); |
| } |
| } |
| |
| |
| // Properties |
| //------------------------------------------------------------------------- |
| |
| /** Sets the name of the Destination |
| */ |
| public void setName(String name) { |
| this.name = name; |
| } |
| |
| /** Sets the variable name to use for the Destination |
| */ |
| public void setVar(String var) { |
| this.var = var; |
| } |
| } |