    1   /*
    2    * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//httpclient/src/test/org/apache/commons/httpclient/server/HttpRequestHandler.java,v 1.4 2004/02/27 19:01:33 olegk Exp $
    3    * $Revision: 480424 $
    4    * $Date: 2006-11-29 06:56:49 +0100 (Wed, 29 Nov 2006) $
    5    *
    6    * ====================================================================
    7    *
    8    *  Licensed to the Apache Software Foundation (ASF) under one or more
    9    *  contributor license agreements.  See the NOTICE file distributed with
    10   *  this work for additional information regarding copyright ownership.
    11   *  The ASF licenses this file to You under the Apache License, Version 2.0
    12   *  (the "License"); you may not use this file except in compliance with
    13   *  the License.  You may obtain a copy of the License at
    14   *
    15   *      http://www.apache.org/licenses/LICENSE-2.0
    16   *
    17   *  Unless required by applicable law or agreed to in writing, software
    18   *  distributed under the License is distributed on an "AS IS" BASIS,
    19   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    20   *  See the License for the specific language governing permissions and
    21   *  limitations under the License.
    22   * ====================================================================
    23   *
    24   * This software consists of voluntary contributions made by many
    25   * individuals on behalf of the Apache Software Foundation.  For more
    26   * information on the Apache Software Foundation, please see
    27   * <http://www.apache.org/>.
    28   *
    29   * [Additional notices, if required by prior licensing conditions]
    30   *
    31   */
    32
    33  package org.apache.commons.httpclient.server;
    34
    35  import java.io.IOException;
    36
    37  /**
    38   * Defines an HTTP request handler for the SimpleHttpServer
    39   *
    40   * @author Christian Kohlschuetter
    41   * @author Oleg Kalnichevski
    42   */
    43  public interface HttpRequestHandler {
    44      /**
    45       * The request handler is asked to process this request.
    46       *
    47       * If it is not capable/interested in processing it, this call should
    48       * be simply ignored.
    49       *
    50       * Any modification of the output stream (via <code>conn.getWriter()</code>)
    51       * by this request handler will stop the execution chain and return the output
    52       * to the client.
    53       *
    54       * The handler may also rewrite the request parameters (this is useful in
    55       * {@link HttpRequestHandlerChain} structures).
    56       *
    57       * @param conn          The Connection object to which this request belongs to.
    58       * @param request       The request object.
    59       * @return true if this handler handled the request and no other handlers in the
    60       * chain should be called, false otherwise.
    61       * @throws IOException
    62       */
    63      public boolean processRequest(
    64          final SimpleHttpServerConnection conn,
    65          final SimpleRequest request) throws IOException;
    66  }