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    1   /***
    2    *
    3    * Copyright 2004 Protique Ltd
    4    *
    5    * Licensed under the Apache License, Version 2.0 (the "License");
    6    * you may not use this file except in compliance with the License.
    7    * You may obtain a copy of the License at
    8    *
    9    * http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   *
    17   **/
    18  package org.codehaus.activemq.transport.http;
    19
    20  import org.apache.commons.logging.Log;
    21  import org.apache.commons.logging.LogFactory;
    22  import org.codehaus.activemq.message.TextWireFormat;
    23  import org.codehaus.activemq.message.WireFormat;
    24  import org.codehaus.activemq.transport.TransportChannel;
    25  import org.codehaus.activemq.transport.TransportChannelFactorySupport;
    26  import org.codehaus.activemq.transport.xstream.XStreamWireFormat;
    27  import org.codehaus.activemq.util.JMSExceptionHelper;
    28
    29  import javax.jms.JMSException;
    30  import java.net.MalformedURLException;
    31  import java.net.URI;
    32  import java.net.URISyntaxException;
    33
    34  /***
    35   * @version $Revision: 1.2 $
    36   */
    37  public class HttpTransportChannelFactory extends TransportChannelFactorySupport {
    38      private static final Log log = LogFactory.getLog(HttpTransportChannelFactory.class);
    39
    40      public TransportChannel create(WireFormat wireFormat, URI remoteLocation) throws JMSException {
    41          try {
    42              return create(wireFormat, remoteLocation, new URI("http://localhost:0"));
    43          }
    44          catch (URISyntaxException e) {
    45              throw JMSExceptionHelper.newJMSException(e.getMessage(), e);
    46          }
    47      }
    48
    49      public TransportChannel create(WireFormat wireFormat, URI remoteLocation, URI localLocation) throws JMSException {
    50          try {
    51              HttpTransportChannel channel = new HttpTransportChannel(asTextWireFormat(wireFormat), remoteLocation.toString());
    52              return populateProperties(channel, remoteLocation);
    53          }
    54          catch (MalformedURLException e) {
    55              throw JMSExceptionHelper.newJMSException(e.getMessage(), e);
    56          }
    57      }
    58
    59      protected TextWireFormat asTextWireFormat(WireFormat wireFormat) {
    60          if (wireFormat instanceof TextWireFormat) {
    61              return (TextWireFormat) wireFormat;
    62          }
    63          log.trace("Not created with a TextWireFromat: " + wireFormat);
    64          return new XStreamWireFormat();
    65      }
    66
    67      public boolean requiresEmbeddedBroker() {
    68          return false;
    69      }
    70
    71  }