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1   /*
2    * $Id: MultiboxActionForm.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.multibox;
23  
24  import javax.servlet.http.HttpServletRequest;
25  
26  import org.apache.struts.action.ActionErrors;
27  import org.apache.struts.action.ActionForm;
28  import org.apache.struts.action.ActionMapping;
29  
30  /**
31   * An ActionForm for the Multibox examples
32   *
33   * @version $Rev: 471754 $ $Date: 2006-11-06 08:55:09 -0600 (Mon, 06 Nov 2006) $
34   */
35  public class MultiboxActionForm extends ActionForm {
36  
37      // ------------------------------------------------------ Instance Variables
38  
39      /** Fruits */
40      private String[] fruits = {};
41  
42      /** Colors */
43      private String[] colors = {};
44  
45      // ------------------------------------------------------------ Constructors
46  
47      /**
48       * Constructor for MultiboxActionForm.
49       */
50      public MultiboxActionForm() {
51          super();
52      }
53  
54      // ---------------------------------------------------------- Public Methods
55  
56      /**
57       * Clear all checkboxes
58       *
59       * @param mapping The mapping used to select this instance
60       * @param request The servlet request we are processing
61       */
62      public void reset(ActionMapping mapping, HttpServletRequest request) {
63  
64          /*
65           * The ActionForm reset method should only be used to *clear*
66           * checkboxes. The correct place to *set* default checkbox values is in
67           * the 'prepare' action, called prior to displaying the form page.
68           */
69          String[] empty = {};
70          this.fruits = empty;
71          this.colors = empty;
72  
73      }
74  
75      /**
76       * Validate the properties that have been set from this HTTP request,
77       * and return an <code>ActionMessages</code> object that encapsulates any
78       * validation errors that have been found.  If no errors are found, return
79       * <code>null</code> or an <code>ActionMessages</code> object with no
80       * recorded error messages.
81       *
82       * @param mapping The mapping used to select this instance
83       * @param request The servlet request we are processing
84       *
85       * @return ActionMessages if any validation errors occurred
86       */
87      public ActionErrors validate(
88          ActionMapping mapping,
89          HttpServletRequest request) {
90  
91          /*
92           * We're not doing any validation (yet) so return null to
93           * indicate that there were no errors. (We don't
94           * actually need to override this nethod unles we're doing
95           * validation - but it's here for reference)
96           */
97          return null;
98      }
99  
100     // -------------------------------------------------------------- Properties
101 
102     /**
103      * Returns the colors.
104      * @return String[]
105      */
106     public String[] getColors() {
107         return colors;
108     }
109 
110     /**
111      * Returns the fruits.
112      * @return String[]
113      */
114     public String[] getFruits() {
115         return fruits;
116     }
117 
118     /**
119      * Sets the colors.
120      * @param colors The colors to set
121      */
122     public void setColors(String[] colors) {
123         this.colors = colors;
124     }
125 
126     /**
127      * Sets the fruits.
128      * @param fruits The fruits to set
129      */
130     public void setFruits(String[] fruits) {
131         this.fruits = fruits;
132     }
133 
134 }