/***
    * Redistribution and use of this software and associated documentation
    * ("Software"), with or without modification, are permitted provided
    * that the following conditions are met:
    *
    * 1. Redistributions of source code must retain copyright
    *    statements and notices.  Redistributions must also contain a
    *    copy of this document.
    *
   * 2. Redistributions in binary form must reproduce the
   *    above copyright notice, this list of conditions and the
   *    following disclaimer in the documentation and/or other
   *    materials provided with the distribution.
   *
   * 3. The name "Exolab" must not be used to endorse or promote
   *    products derived from this Software without prior written
   *    permission of Exoffice Technologies.  For written permission,
   *    please contact info@exolab.org.
   *
   * 4. Products derived from this Software may not be called "Exolab"
   *    nor may "Exolab" appear in their names without prior written
   *    permission of Exoffice Technologies. Exolab is a registered
   *    trademark of Exoffice Technologies.
   *
   * 5. Due credit should be given to the Exolab Project
   *    (http://www.exolab.org/).
   *
   * THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS
   * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
   * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
   * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
   * EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
   * OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   * Copyright 2000-2003 (C) Exoffice Technologies Inc. All Rights Reserved.
   *
   * $Id: HttpJmsServer.java,v 1.7 2003/09/25 12:37:56 tanderson Exp $
   */
  
  package org.exolab.jms.server.http;
  
  import java.net.InetAddress;
  import java.net.UnknownHostException;
  import java.util.Hashtable;
  
  import javax.naming.Context;
  import javax.naming.NamingException;
  
  import org.exolab.jms.client.http.HttpJmsConstants;
  import org.exolab.jms.client.mipc.IpcJmsConstants;
  import org.exolab.jms.config.Configuration;
  import org.exolab.jms.config.ConfigurationManager;
  import org.exolab.jms.config.Connector;
  import org.exolab.jms.config.ConnectorHelper;
  import org.exolab.jms.config.ConnectorResource;
  import org.exolab.jms.config.HttpConfigurationType;
  import org.exolab.jms.config.ServerConfiguration;
  import org.exolab.jms.config.TcpConfigurationType;
  import org.exolab.jms.config.types.SchemeType;
  import org.exolab.jms.server.ConnectionFactoryHelper;
  import org.exolab.jms.server.JmsServerIfc;
  import org.exolab.jms.server.ServerException;
  
  
  /***
   * This class enables clients to connect to the JMS server via
   * a HTTP server.
   * It must be used in conjunction with the TCP connector.
   *
   * @version     $Revision: 1.7 $ $Date: 2003/09/25 12:37:56 $
   * @author      <a href="mailto:mourikis@intalio.com">Jim Mourikis</a>
   */
  public class HttpJmsServer implements JmsServerIfc {
  
      /***
       * Construct a new <code>HttpJmsServer</code>
       */
      public HttpJmsServer() {
      }
  
      /***
       * Initialise the server
       */
      public void init() throws ServerException {
          HttpConfigurationType config =
              ConfigurationManager.getConfig().getHttpConfiguration();
  
          if (config.getProxyHost() != null) {
              System.setProperty("http.proxyHost", config.getProxyHost());
          }
          if (config.hasProxyPort()) {
              System.setProperty("http.proxyPort",
                  Integer.toString(config.getProxyPort()));
         }
     }
 
     // implementation of JmsServerIfc.bindConnectionFactories
     public void bindConnectionFactories(Context context)
         throws NamingException, ServerException {
 
         Configuration config = ConfigurationManager.getConfig();
 
         // retrieve the configuration information from the configuration
         // manager
         ServerConfiguration server = config.getServerConfiguration();
         TcpConfigurationType tcp = config.getTcpConfiguration();
         String host = normalizeHost(server.getHost());
         String internalHost = normalizeHost(tcp.getInternalHost());
 
         // we need to put together a list of parameters that the
         // connection factories will need to use to connect
         // to this server
         Hashtable env = new Hashtable();
         env.put(getHttpServerProperty(), getHttpServerURL());
         env.put(IpcJmsConstants.IPC_SERVER_HOST, host);
         env.put(IpcJmsConstants.IPC_SERVER_PORT,
             Integer.toString(tcp.getPort()));
         if (internalHost != null) {
             env.put(IpcJmsConstants.IPC_INTERNAL_SERVER_HOST, internalHost);
         }
         Connector connector = ConfigurationManager.getConnector(getScheme());
         ConnectorResource resource =
             ConnectorHelper.getConnectorResource(getScheme());
 
         Class proxy;
         String className = resource.getServer().getProxyClass();
         try {
             proxy = Class.forName(className);
         } catch (ClassNotFoundException exception) {
             throw new ServerException(
                 "Failed to locate the server proxy class: " + className);
         }
 
         ConnectionFactoryHelper.bind(
             context, connector.getConnectionFactories(), proxy, env);
     }
 
     /***
      * Returns the connector scheme for this server.
      */
     protected SchemeType getScheme() {
         return SchemeType.HTTP;
     }
 
     /***
      * Returns the HTTP configuration
      */
     protected HttpConfigurationType getHttpConfiguration() {
         return ConfigurationManager.getConfig().getHttpConfiguration();
     }
 
     /***
      * Returns the HTTP server URL property name, used in the construction
      * of connection factories
      */
     protected String getHttpServerProperty() {
         return HttpJmsConstants.HTTP_SERVER_URL;
     }
 
     /***
      * Returns the HTTP server URL, used in the construction of connection
      * factories
      */
     protected String getHttpServerURL() {
         HttpConfigurationType config = getHttpConfiguration();
         String host = config.getHost(); 
         // NOTE: host should not be converted to an IP address
         // refer to bug 806377 - HTTPS connector shouldn't convert host
         // names
         int port = config.getPort();
         String url = getScheme() + "://" + host + ":" + port;
         String path = config.getServerServlet();
         if (!path.startsWith("/")) {
             url += "/" + path;
         } else {
             url += path;
         }
         return url;
     }
 
     /***
      * This method will normalize the host name. If the host is localhost then
      * it will be converted to the corresponding IP address
      *
      * @param host - the raw host name
      * @return the normalized IP address
      */
     protected String normalizeHost(String host) {
         String server = host;
 
         // ensure that the host is not null
         if (host == null) {
             return host;
         }
 
         if (host.equals("localhost")) {
             try {
                 server = InetAddress.getLocalHost().getHostAddress();
             } catch (UnknownHostException ignore) {
                 // ignore
             }
         }
 
         return server;
     }
 
 } //-- HttpJmsServer