001 /** 002 * 003 * Copyright 2004 Protique Ltd 004 * 005 * Licensed under the Apache License, Version 2.0 (the "License"); 006 * you may not use this file except in compliance with the License. 007 * You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 * 017 **/ 018 package org.activemq.transport.http; 019 020 import org.apache.commons.logging.Log; 021 import org.apache.commons.logging.LogFactory; 022 import org.activemq.io.TextWireFormat; 023 import org.activemq.io.WireFormat; 024 import org.activemq.transport.TransportChannel; 025 import org.activemq.transport.TransportChannelFactorySupport; 026 import org.activemq.transport.xstream.XStreamWireFormat; 027 import org.activemq.util.JMSExceptionHelper; 028 029 import javax.jms.JMSException; 030 import java.net.MalformedURLException; 031 import java.net.URI; 032 import java.net.URISyntaxException; 033 034 /** 035 * @version $Revision$ 036 */ 037 public class HttpTransportChannelFactory extends TransportChannelFactorySupport { 038 private static final Log log = LogFactory.getLog(HttpTransportChannelFactory.class); 039 040 public TransportChannel create(WireFormat wireFormat, URI remoteLocation) throws JMSException { 041 try { 042 return create(wireFormat, remoteLocation, new URI("http://localhost:0")); 043 } 044 catch (URISyntaxException e) { 045 throw JMSExceptionHelper.newJMSException(e.getMessage(), e); 046 } 047 } 048 049 public TransportChannel create(WireFormat wireFormat, URI remoteLocation, URI localLocation) throws JMSException { 050 try { 051 HttpTransportChannel channel = new HttpTransportChannel(asTextWireFormat(wireFormat), remoteLocation.toString()); 052 return populateProperties(channel, remoteLocation); 053 } 054 catch (MalformedURLException e) { 055 throw JMSExceptionHelper.newJMSException(e.getMessage(), e); 056 } 057 } 058 059 protected TextWireFormat asTextWireFormat(WireFormat wireFormat) { 060 if (wireFormat instanceof TextWireFormat) { 061 return (TextWireFormat) wireFormat; 062 } 063 log.trace("Not created with a TextWireFromat: " + wireFormat); 064 return new XStreamWireFormat(); 065 } 066 067 public boolean requiresEmbeddedBroker() { 068 return false; 069 } 070 071 }