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    1   /***
    2    * @(#)ServiceLoaderServlet.java
    3    *
    4    * JFoxSOAF, Service-Oriented Application Framework
    5    *
    6    * Copyright(c) JFoxSOAF Team
    7    *
    8    * Licensed under the GNU LGPL, Version 2.1 (the "License");
    9    * you may not use this file except in compliance with the License.
    10   * You may obtain a copy of the License at
    11   *
    12   * http://www.gnu.org/copyleft/lesser.html
    13   *
    14   * Unless required by applicable law or agreed to in writing, software
    15   * distributed under the License is distributed on an "AS IS" BASIS,
    16   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    17   * See the License for the specific language governing permissions and
    18   * limitations under the License.
    19   *
    20   * For more information, please visit:
    21   * http://www.jfox.cn/confluence/display/JFoxSOAF/Home
    22   * http://www.huihoo.org/jfox/jfoxsoaf
    23   */
    24
    25  package org.huihoo.jfox.soaf.util.web;
    26
    27  import java.io.IOException;
    28
    29  import javax.servlet.ServletContext;
    30  import javax.servlet.ServletException;
    31  import javax.servlet.http.HttpServlet;
    32  import javax.servlet.http.HttpServletRequest;
    33  import javax.servlet.http.HttpServletResponse;
    34
    35  import org.huihoo.jfox.soaf.container.ServiceLoader;
    36
    37  /***
    38   * <p>
    39   * Service loader initialization servlet.
    40   * </p>
    41   *
    42   * @author <a href="mailto:founder_chen@yahoo.com.cn">Peter Cheng </a>
    43   * @version $Revision: 1.2 $ $Date: 2005/05/22 06:51:12 $
    44   * @version Revision: 1.0
    45   */
    46
    47  public class ServiceLoaderServlet extends HttpServlet {
    48
    49      public static final String WEB_CONFIG = "config";
    50
    51      private ServletContext servletContext;
    52
    53      private ServiceLoader serviceLoader = ServiceLoader.getInstance();
    54
    55      /***
    56       * Initialize the service context.
    57       */
    58      public void init() throws ServletException {
    59          servletContext = getServletContext();
    60          serviceLoader.initService(servletContext
    61                  .getResourceAsStream(servletContext
    62                          .getInitParameter(WEB_CONFIG)));
    63      }
    64
    65      /***
    66       * Http request should never be send to this servlet.
    67       */
    68      public void service(HttpServletRequest request, HttpServletResponse response)
    69              throws IOException {
    70      }
    71
    72      /***
    73       * Destory services.
    74       */
    75      public void destroy() {
    76      }
    77
    78  }