View Javadoc

    1   /*
    2    * $Id: ControllerSupport.java 471754 2006-11-06 14:55:09Z husted $
    3    *
    4    * Licensed to the Apache Software Foundation (ASF) under one
    5    * or more contributor license agreements.  See the NOTICE file
    6    * distributed with this work for additional information
    7    * regarding copyright ownership.  The ASF licenses this file
    8    * to you under the Apache License, Version 2.0 (the
    9    * "License"); you may not use this file except in compliance
    10   * with the License.  You may obtain a copy of the License at
    11   *
    12   *  http://www.apache.org/licenses/LICENSE-2.0
    13   *
    14   * Unless required by applicable law or agreed to in writing,
    15   * software distributed under the License is distributed on an
    16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    17   * KIND, either express or implied.  See the License for the
    18   * specific language governing permissions and limitations
    19   * under the License.
    20   */
    21
    22  package org.apache.struts.tiles;
    23
    24  import java.io.IOException;
    25
    26  import javax.servlet.ServletContext;
    27  import javax.servlet.ServletException;
    28  import javax.servlet.http.HttpServletRequest;
    29  import javax.servlet.http.HttpServletResponse;
    30
    31  /**
    32   * Basic implementation of Controller.  Implementations can extend this class
    33   * to insulate themselves from changes in the <code>Controller</code>
    34   * interface.
    35   */
    36  public class ControllerSupport implements Controller {
    37
    38      /**
    39       * Method associated to a tile and called immediately before tile is
    40       * included. This implementation does nothing.
    41       *
    42       * @param tileContext    Current tile context.
    43       * @param request        Current request
    44       * @param response       Current response
    45       * @param servletContext Current servlet context
    46       * @deprecated Use execute() instead.  This will be removed after
    47       *             Struts 1.2.
    48       */
    49      public void perform(
    50              ComponentContext tileContext,
    51              HttpServletRequest request,
    52              HttpServletResponse response,
    53              ServletContext servletContext)
    54              throws ServletException, IOException {
    55      }
    56
    57      /**
    58       * @see org.apache.struts.tiles.Controller#execute(org.apache.struts.tiles.ComponentContext, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, javax.servlet.ServletContext)
    59       */
    60      public void execute(
    61              ComponentContext tileContext,
    62              HttpServletRequest request,
    63              HttpServletResponse response,
    64              ServletContext servletContext)
    65              throws Exception {
    66
    67          perform(tileContext, request, response, servletContext);
    68      }
    69  }