001 /** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. 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 package org.apache.activemq.transport.http; 018 019 import java.io.IOException; 020 import java.net.URI; 021 import java.util.Map; 022 023 import org.apache.activemq.transport.Transport; 024 import org.apache.activemq.transport.TransportFactory; 025 import org.apache.activemq.transport.TransportLoggerFactory; 026 import org.apache.activemq.transport.TransportServer; 027 import org.apache.activemq.transport.util.TextWireFormat; 028 import org.apache.activemq.transport.xstream.XStreamWireFormat; 029 import org.apache.activemq.wireformat.WireFormat; 030 import org.apache.commons.logging.Log; 031 import org.apache.commons.logging.LogFactory; 032 033 /** 034 * @author David Martin Clavo david(dot)martin(dot)clavo(at)gmail.com (logging improvement modifications) 035 * @version $Revision$ 036 */ 037 public class HttpTransportFactory extends TransportFactory { 038 039 private static final Log LOG = LogFactory.getLog(HttpTransportFactory.class); 040 041 public TransportServer doBind(URI location) throws IOException { 042 return new HttpTransportServer(location); 043 } 044 045 protected TextWireFormat asTextWireFormat(WireFormat wireFormat) { 046 if (wireFormat instanceof TextWireFormat) { 047 return (TextWireFormat)wireFormat; 048 } 049 LOG.trace("Not created with a TextWireFormat: " + wireFormat); 050 return new XStreamWireFormat(); 051 } 052 053 protected String getDefaultWireFormatType() { 054 return "xstream"; 055 } 056 057 protected Transport createTransport(URI location, WireFormat wf) throws IOException { 058 TextWireFormat textWireFormat = asTextWireFormat(wf); 059 return new HttpClientTransport(textWireFormat, location); 060 } 061 062 public Transport compositeConfigure(Transport transport, WireFormat format, Map options) { 063 HttpClientTransport httpTransport = (HttpClientTransport) super.compositeConfigure(transport, format, options); 064 transport = httpTransport; 065 if( httpTransport.isTrace() ) { 066 try { 067 transport = TransportLoggerFactory.getInstance().createTransportLogger(transport); 068 } catch (Throwable e) { 069 LOG.error("Could not create TransportLogger object for: " + TransportLoggerFactory.defaultLogWriterName + ", reason: " + e, e); 070 } 071 } 072 return transport; 073 } 074 075 }