ProcessValidatorAction xref

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    1   /*
    2    * $Id: ProcessValidatorAction.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 examples.validator;
    23
    24  import javax.servlet.http.HttpServletRequest;
    25  import javax.servlet.http.HttpServletResponse;
    26
    27  import org.apache.struts.action.Action;
    28  import org.apache.struts.action.ActionForm;
    29  import org.apache.struts.action.ActionForward;
    30  import org.apache.struts.action.ActionMapping;
    31
    32  /**
    33   * Retrieve and process data from the submitted form
    34   *
    35   * @version $Rev: 471754 $ $Date: 2006-11-06 08:55:09 -0600 (Mon, 06 Nov 2006) $
    36   */
    37  public class ProcessValidatorAction extends Action {
    38
    39      // ------------------------------------------------------------ Constructors
    40
    41      /**
    42       * Constructor for ProcessOptionsAction.
    43       */
    44      public ProcessValidatorAction() {
    45          super();
    46      }
    47
    48      // ---------------------------------------------------------- Action Methods
    49
    50      /**
    51       * Process the request and return an <code>ActionForward</code> instance
    52       * describing where and how control should be forwarded, or
    53       * <code>null</code>if the response has already been completed.
    54       *
    55       * @param mapping The ActionMapping used to select this instance
    56       * @param form The optional ActionForm bean for this request (if any)
    57       * @param request The HTTP request we are processing
    58       * @param response The HTTP response we are creating
    59       *
    60       * @exception Exception if the application logic throws an exception
    61       *
    62       * @return the ActionForward for the next view
    63       */
    64      public ActionForward execute(
    65          ActionMapping mapping,
    66          ActionForm form,
    67          HttpServletRequest request,
    68          HttpServletResponse response)
    69          throws Exception {
    70
    71          // If user pressed 'Cancel' button,
    72          // return to home page
    73          if (isCancelled(request)) {
    74              return mapping.findForward("home");
    75          }
    76
    77          // Forward to result page
    78          return mapping.findForward("success");
    79      }
    80
    81  }