Struts1.2.4学习心得!(四)

最新推荐文章于 2016-10-26 15:08:00 发布

arielxp

最新推荐文章于 2016-10-26 15:08:00 发布

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分类专栏： Struts 文章标签： struts string html nested properties import

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第四次学习:

这次学习碰到了与struts1.1很不同的地方,就是ActionForm类不仅仅是String型,可以是任意数据类型了.

1.表单录入(含bean的嵌套).

设有一个testBean类,这个类中又含有一个nested属性(nested为一个类的实例),当要为nested类的booleanProperty属性设定值时用nested.booleanProperty指定位置.下面例子录入数据时,数据填充到testBean和nested中去.

java代码:

 
     1    
     
     2   <%@ taglib uri="/tags/struts-bean" prefix="bean" %> 
     
     3   <%@ taglib uri="/tags/struts-html" prefix="html" %> 
     
     4   <%@ taglib uri="/tags/struts-logic" prefix="logic" %> 
     
     5   <html:html> 
     
     6     <head> 
     
     7       <title>Test struts-html Property Setters</title> 
     
     8     </head> 
     
     9     <body> 
     
     10      <div align="center"> 
     
     11        <h1>Test struts-html Property Setters</h1> 
     
     12      </div> 
     
     13      <p>Whatever changes you make to properties should be reflected when the page is redisplayed. 
     Press "Save" to update, or "Cancel" to 
     return to the main menu.</p> 
     
     14      <html:form action="/html-setters-submit"> 
     
     15        <table border=" 
     0" width=" 
     100%"> 
     
     16          <tr> 
     
     17            <th align="center" colspan=" 
     4">Scalar 
     Properties</th> 
     
     18          </tr> 
     
     19          <tr> 
     
     20            <th align="right">booleanProperty</th> 
     
     21            <td align="left"> 
     
     22              <html:checkbox property="booleanProperty" /> 
     
     23            </td> 
     
     24            <th align="right">nested. 
     booleanProperty</th> 
     
     25            <td align="left"> 
     
     26              <html:checkbox property="nested. 
     booleanProperty" /> 
     
     27            </td> 
     
     28          </tr> 
     
     29          <tr> 
     
     30            <th align="right">doubleProperty</th> 
     
     31            <td align="left"> 
     
     32              <html:text property="doubleProperty" size=" 
     32" /> 
     
     33            </td> 
     
     34            <th align="right">nested. 
     doubleProperty</th> 
     
     35            <td align="left"> 
     
     36              <html:text property="nested. 
     doubleProperty" size=" 
     32" /> 
     
     37            </td> 
     
     38          </tr> 
     
     39          <tr> 
     
     40            <th align="right">floatProperty</th> 
     
     41            <td align="left"> 
     
     42              <html:text property="floatProperty" size=" 
     32" /> 
     
     43            </td> 
     
     44            <th align="right">nested. 
     floatProperty</th> 
     
     45            <td align="left"> 
     
     46              <html:text property="nested. 
     floatProperty" size=" 
     32" /> 
     
     47            </td> 
     
     48          </tr> 
     
     49          <tr> 
     
     50            <th align="right">intProperty</th> 
     
     51            <td align="left"> 
     
     52              <html:text property="intProperty" size=" 
     32" /> 
     
     53            </td> 
     
     54            <th align="right">nested. 
     intProperty</th> 
     
     55            <td align="left"> 
     
     56              <html:text property="nested. 
     intProperty" size=" 
     32" /> 
     
     57            </td> 
     
     58          </tr> 
     
     59          <tr> 
     
     60            <th align="right">longProperty</th> 
     
     61            <td align="left"> 
     
     62              <html:text property="longProperty" size=" 
     32" /> 
     
     63            </td> 
     
     64            <th align="right">nested. 
     longProperty</th> 
     
     65            <td align="left"> 
     
     66              <html:text property="nested. 
     longProperty" size=" 
     32" /> 
     
     67            </td> 
     
     68          </tr> 
     
     69          <tr> 
     
     70            <th align="right">stringProperty</th> 
     
     71            <td align="left"> 
     
     72              <html:text property="stringProperty" size=" 
     32" /> 
     
     73            </td> 
     
     74            <th align="right">nested. 
     stringProperty</th> 
     
     75            <td align="left"> 
     
     76              <html:text property="nested. 
     stringProperty" size=" 
     32" /> 
     
     77            </td> 
     
     78          </tr> 
     
     79          <tr> 
     
     80            <th align="center" colspan=" 
     4">Indexed 
     Properties</th> 
     
     81          </tr> 
     
     82          <tr> 
     
     83            <th align="right">intIndexed 
     [ 
     0 
     ]</th> 
     
     84            <td align="left"> 
     
     85              <html:text property="intIndexed 
     [ 
     0 
     ]" size=" 
     32" /> 
     
     86            </td> 
     
     87            <th align="right">nested. 
     intIndexed 
     [ 
     0 
     ]</th> 
     
     88            <td align="left"> 
     
     89              <html:text property="nested. 
     intIndexed 
     [ 
     0 
     ]" size=" 
     32" /> 
     
     90            </td> 
     
     91          </tr> 
     
     92          <tr> 
     
     93            <th align="right">intIndexed 
     [ 
     1 
     ]</th> 
     
     94            <td align="left"> 
     
     95              <html:text property="intIndexed 
     [ 
     1 
     ]" size=" 
     32" /> 
     
     96            </td> 
     
     97            <th align="right">nested. 
     intIndexed 
     [ 
     1 
     ]</th> 
     
     98            <td align="left"> 
     
     99              <html:text property="nested. 
     intIndexed 
     [ 
     1 
     ]" size=" 
     32" /> 
     
     100           </td> 
     
     101         </tr> 
     
     102         <tr> 
     
     103           <th align="right">stringIndexed 
     [ 
     0 
     ]</th> 
     
     104           <td align="left"> 
     
     105             <html:text property="stringIndexed 
     [ 
     0 
     ]" size=" 
     32" /> 
     
     106           </td> 
     
     107           <th align="right">nested. 
     stringIndexed 
     [ 
     0 
     ]</th> 
     
     108           <td align="left"> 
     
     109             <html:text property="nested. 
     stringIndexed 
     [ 
     0 
     ]" size=" 
     32" /> 
     
     110           </td> 
     
     111         </tr> 
     
     112         <tr> 
     
     113           <th align="right">stringIndexed 
     [ 
     1 
     ]</th> 
     
     114           <td align="left"> 
     
     115             <html:text property="stringIndexed 
     [ 
     1 
     ]" size=" 
     32" /> 
     
     116           </td> 
     
     117           <th align="right">nested. 
     stringIndexed 
     [ 
     1 
     ]</th> 
     
     118           <td align="left"> 
     
     119             <html:text property="nested. 
     stringIndexed 
     [ 
     1 
     ]" size=" 
     32" /> 
     
     120           </td> 
     
     121         </tr> 
     
     122         <tr> 
     
     123           <td> </td> 
     
     124           <td align="right"> 
     
     125             <html:submit>Save</html:submit> 
     
     126           </td> 
     
     127           <td align="left"> 
     
     128             <html:reset>Reset</html:reset> 
     
     129             <html:cancel>Cancel</html:cancel> 
     
     130           </td> 
     
     131           <td> </td> 
     
     132         </tr> 
     
     133       </table> 
     
     134     </html:form> 
     
     135   </body> 
     
     136 </html:html> 
     
     137  
     
     138

对应的TestBean

java代码:

1  
2  /* 
 3    * $Header: /home/cvs/jakarta-struts/src/examples/org/apache/struts/webapp/exercise/TestBean.java,v 1.4 2004/03/14 06:23:52 sraeburn Exp $ 
 4    * $Revision: 1.4 $ 
 5    * $Date: 2004/03/14 06:23:52 $ 
 6    * 
 7    * Copyright 1999-2004 The Apache Software Foundation. 
 8    * 
 9    * Licensed under the Apache License, Version 2.0 (the "License"); 
 10   * you may not use this file except in compliance with the License. 
 11   * You may obtain a copy of the License at 
 12   * 
 13   *      http://www.apache.org/licenses/LICENSE-2.0 
 14   * 
 15   * Unless required by applicable law or agreed to in writing, software 
 16   * distributed under the License is distributed on an "AS IS" BASIS, 
 17   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
 18   * See the License for the specific language governing permissions and 
 19   * limitations under the License. 
 20   */
21 
22 
23 package org. 
     apache. 
     struts. 
     webapp. 
     exercise; 
     
24 
25 
26 import java. 
     util. 
     ArrayList; 
     
27 import java. 
     util. 
     Collection; 
     
28 import java. 
     util. 
     HashMap; 
     
29 import java. 
     util. 
     List; 
     
30 import java. 
     util. 
     Map; 
     
31 import java. 
     util. 
     Vector; 
     
32 import javax. 
     servlet. 
     http. 
     HttpServletRequest; 
     
33 import org. 
     apache. 
     struts. 
     action. 
     ActionForm; 
     
34 import org. 
     apache. 
     struts. 
     action. 
     ActionMapping; 
     
35 import org. 
     apache. 
     struts. 
     util. 
     LabelValueBean; 
     
36 
37 
38 /** 
 39   * General purpose test bean for Struts custom tag tests. 
 40   * 
 41   * @version $Revision: 1.4 $ $Date: 2004/03/14 06:23:52 $ 
 42   */
43 
44 publicclass TestBean 
     extends ActionForm 
     {
       ...} 
     
45 
46 
47 // ------------------------------------------------------------- Properties
48 
49 
50 /** 
 51       * A collection property where the elements of the collection are 
 52       * of type <code>LabelValueBean</code>. 
 53       */
54 privateCollection beanCollection = 
      null; 
      
55 
56 publicCollection getBeanCollection 
      (){
        ...} 
      
57 if(beanCollection == 
       null){
         ...} 
       

           
        58              
        Vector entries = 
        new 
        Vector 
        ( 
        10 
        ); 
        
  
        59   
        
  
        60              entries. 
        add 
        ( 
        new LabelValueBean 
        (" 
        Label 
        0", "Value 
        0" 
        ) 
        ); 
        
  
        61              entries. 
        add 
        ( 
        new LabelValueBean 
        (" 
        Label 
        1", "Value 
        1" 
        ) 
        ); 
        
  
        62              entries. 
        add 
        ( 
        new LabelValueBean 
        (" 
        Label 
        2", "Value 
        2" 
        ) 
        ); 
        
  
        63              entries. 
        add 
        ( 
        new LabelValueBean 
        (" 
        Label 
        3", "Value 
        3" 
        ) 
        ); 
        
  
        64              entries. 
        add 
        ( 
        new LabelValueBean 
        (" 
        Label 
        4", "Value 
        4" 
        ) 
        ); 
        
  
        65              entries. 
        add 
        ( 
        new LabelValueBean 
        (" 
        Label 
        5", "Value 
        5" 
        ) 
        ); 
        
  
        66              entries. 
        add 
        ( 
        new LabelValueBean 
        (" 
        Label 
        6", "Value 
        6" 
        ) 
        ); 
        
  
        67              entries. 
        add 
        ( 
        new LabelValueBean 
        (" 
        Label 
        7", "Value 
        7" 
        ) 
        ); 
        
  
        68              entries. 
        add 
        ( 
        new LabelValueBean 
        (" 
        Label 
        8", "Value 
        8" 
        ) 
        ); 
        
  
        69              entries. 
        add 
        ( 
        new LabelValueBean 
        (" 
        Label 
        9", "Value 
        9" 
        ) 
        ); 
        
  
        70   
        
  
        71              beanCollection = entries; 
        
  
        72          
        } 
       
73 
74 return(beanCollection 
       ); 
       
75 }
76 
77 publicvoid setBeanCollection 
      (Collection beanCollection 
      ){
        ...} 
      

          
       78          this. 
       beanCollection = beanCollection; 
       
  
       79      
       } 
      
80 
81 
82 /** 
 83       * A multiple-String SELECT element using a bean collection. 
 84       */
85 privateString[] beanCollectionSelect = 
      { "Value 
      1", "Value 
      3", 
      
86                                                "Value 
      5" 
      }; 
      
87 
88 publicString[] getBeanCollectionSelect 
      (){
        ...} 
      

          
       89          
       return 
       (this. 
       beanCollectionSelect 
       ); 
       
  
       90      
       } 
      
91 
92 publicvoid setBeanCollectionSelect 
      (String beanCollectionSelect 
      []){
        ...} 
      

          
       93          this. 
       beanCollectionSelect = beanCollectionSelect; 
       
  
       94      
       } 
      
95 
96 
97 /** 
 98       * A boolean property whose initial value is true. 
 99       */
100privateboolean booleanProperty = 
      true; 
      
101
102publicboolean getBooleanProperty 
      (){
        ...} 
      

          
       103         
       return 
       (booleanProperty 
       ); 
       
  
       104     
       } 
      
105
106publicvoid setBooleanProperty 
      (boolean booleanProperty 
      ){
        ...} 
      

          
       107         this. 
       booleanProperty = booleanProperty; 
       
  
       108     
       } 
      
109
110
111/** 
 112      * A multiple-String SELECT element using a collection. 
 113      */
114privateString[] collectionSelect = 
      { "Value 
      2", "Value 
      4", 
      
115                                           "Value 
      6" 
      }; 
      
116
117publicString[] getCollectionSelect 
      (){
        ...} 
      

          
       118         
       return 
       (this. 
       collectionSelect 
       ); 
       
  
       119     
       } 
      
120
121publicvoid setCollectionSelect 
      (String collectionSelect 
      []){
        ...} 
      

          
       122         this. 
       collectionSelect = collectionSelect; 
       
  
       123     
       } 
      
124
125
126/** 
 127      * A double property. 
 128      */
129privatedouble doubleProperty = 
      321. 
      0; 
      
130
131publicdouble getDoubleProperty 
      (){
        ...} 
      

          
       132         
       return 
       (this. 
       doubleProperty 
       ); 
       
  
       133     
       } 
      
134
135publicvoid setDoubleProperty 
      (double doubleProperty 
      ){
        ...} 
      

          
       136         this. 
       doubleProperty = doubleProperty; 
       
  
       137     
       } 
      
138
139
140/** 
 141      * A boolean property whose initial value is false 
 142      */
143privateboolean falseProperty = 
      false; 
      
144
145publicboolean getFalseProperty 
      (){
        ...} 
      

          
       146         
       return 
       (falseProperty 
       ); 
       
  
       147     
       } 
      
148
149publicvoid setFalseProperty 
      (boolean falseProperty 
      ){
        ...} 
      

          
       150         this. 
       falseProperty = falseProperty; 
       
  
       151     
       } 
      
152
153
154/** 
 155      * A float property. 
 156      */
157private float floatProperty = 
      (float 
      )123. 
      0; 
      
158
159public float getFloatProperty 
      (){
        ...} 
      

          
       160         
       return 
       (this. 
       floatProperty 
       ); 
       
  
       161     
       } 
      
162
163publicvoid setFloatProperty 
      (float floatProperty 
      ){
        ...} 
      

          
       164         this. 
       floatProperty = floatProperty; 
       
  
       165     
       } 
      
166
167
168/** 
 169      * Integer arrays that are accessed as an array as well as indexed. 
 170      */
171privateint intArray 
      [] = 
      {0, 
      10, 
      20, 
      30, 
      40}; 
      
172
173publicint[] getIntArray 
      (){
        ...} 
      

          
       174         
       return 
       (this. 
       intArray 
       ); 
       
  
       175     
       } 
      
176
177publicvoid setIntArray 
      (int intArray 
      []){
        ...} 
      

          
       178         this. 
       intArray = intArray; 
       
  
       179     
       } 
      
180
181privateint intIndexed 
      [] = 
      {0, 
      10, 
      20, 
      30, 
      40}; 
      
182
183publicint getIntIndexed 
      (int index 
      ){
        ...} 
      

          
       184         
       return 
       (intIndexed 
       [index 
       ] 
       ); 
       
  
       185     
       } 
      
186
187publicvoid setIntIndexed 
      (int index, 
      int value 
      ){
        ...} 
      

          
       188         intIndexed 
       [index 
       ] = value; 
       
  
       189     
       } 
      
190
191
192privateint intMultibox 
      [] = 
      newint[0]; 
      
193
194publicint[] getIntMultibox 
      (){
        ...} 
      

          
       195         
       return 
       (this. 
       intMultibox 
       ); 
       
  
       196     
       } 
      
197
198publicvoid setIntMultibox 
      (int intMultibox 
      []){
        ...} 
      

          
       199         this. 
       intMultibox = intMultibox; 
       
  
       200     
       } 
      
201
202/** 
 203      * An integer property. 
 204      */
205privateint intProperty = 
      123; 
      
206
207publicint getIntProperty 
      (){
        ...} 
      

          
       208         
       return 
       (this. 
       intProperty 
       ); 
       
  
       209     
       } 
      
210
211publicvoid setIntProperty 
      (int intProperty 
      ){
        ...} 
      

          
       212         this. 
       intProperty = intProperty; 
       
  
       213     
       } 
      
214
215
216/** 
 217      * A long property. 
 218      */
219private long longProperty = 
      321; 
      
220
221public long getLongProperty 
      (){
        ...} 
      

          
       222         
       return 
       (this. 
       longProperty 
       ); 
       
  
       223     
       } 
      
224
225publicvoid setLongProperty 
      (long longProperty 
      ){
        ...} 
      

          
       226         this. 
       longProperty = longProperty; 
       
  
       227     
       } 
      
228
229
230/** 
 231      * A multiple-String SELECT element. 
 232      */
233privateString[] multipleSelect = 
      { "Multiple 
      3", "Multiple 
      5", 
      
234                                         "Multiple 
      7" 
      }; 
      
235
236publicString[] getMultipleSelect 
      (){
        ...} 
      

          
       237         
       return 
       (this. 
       multipleSelect 
       ); 
       
  
       238     
       } 
      
239
240publicvoid setMultipleSelect 
      (String multipleSelect 
      []){
        ...} 
      

          
       241         this. 
       multipleSelect = multipleSelect; 
       
  
       242     
       } 
      
243
244
245/** 
 246      * A nested reference to another test bean (populated as needed). 
 247      */
248private TestBean nested = 
      null; 
      
249
250public TestBean getNested 
      (){
        ...} 
      

          
       251         
       if 
       (nested == 
       null 
       ) 
       
  
       252             nested = 
       new TestBean 
       ( 
       ); 
       
  
       253         
       return 
       (nested 
       ); 
       
  
       254     
       } 
      
255
256
257/** 
 258      * A String property with an initial value of null. 
 259      */
260privateString nullProperty = 
      null; 
      
261
262publicString getNullProperty 
      (){
        ...} 
      

          
       263         
       return 
       (this. 
       nullProperty 
       ); 
       
  
       264     
       } 
      
265
266publicvoid setNullProperty 
      (String nullProperty 
      ){
        ...} 
      

          
       267         this. 
       nullProperty = nullProperty; 
       
  
       268     
       } 
      
269
270
271/** 
 272      * A short property. 
 273      */
274private short shortProperty = 
      (short 
      )987; 
      
275
276public short getShortProperty 
      (){
        ...} 
      

          
       277         
       return 
       (this. 
       shortProperty 
       ); 
       
  
       278     
       } 
      
279
280publicvoid setShortProperty 
      (short shortProperty 
      ){
        ...} 
      

          
       281         this. 
       shortProperty = shortProperty; 
       
  
       282     
       } 
      
283
284
285/** 
 286      * A single-String value for a SELECT element. 
 287      */
288privateString singleSelect = "Single 
      5"; 
      
289
290publicString getSingleSelect 
      (){
        ...} 
      

          
       291         
       return 
       (this. 
       singleSelect 
       ); 
       
  
       292     
       } 
      
293
294publicvoid setSingleSelect 
      (String singleSelect 
      ){
        ...} 
      

          
       295         this. 
       singleSelect = singleSelect; 
       
  
       296     
       } 
      
297
298
299/** 
 300      * String arrays that are accessed as an array as well as indexed. 
 301      */
302privateString stringArray 
      [] = 
      
303{ " 
      String0", " 
      String1", " 
      String2", " 
      String3", " 
      String4" 
      }; 
      
304
305publicString[] getStringArray 
      (){
        ...} 
      

          
       306         
       return 
       (this. 
       stringArray 
       ); 
       
  
       307     
       } 
      
308
309publicvoid setStringArray 
      (String stringArray 
      []){
        ...} 
      

          
       310         this. 
       stringArray = stringArray; 
       
  
       311     
       } 
      
312
313privateString stringIndexed 
      [] = 
      
314{ " 
      String0", " 
      String1", " 
      String2", " 
      String3", " 
      String4" 
      }; 
      
315
316publicString getStringIndexed 
      (int index 
      ){
        ...} 
      

          
       317         
       return 
       (stringIndexed 
       [index 
       ] 
       ); 
       
  
       318     
       } 
      
319
320publicvoid setStringIndexed 
      (int index, 
      String value 
      ){
        ...} 
      

          
       321         stringIndexed 
       [index 
       ] = value; 
       
  
       322     
       } 
      
323
324
325privateString stringMultibox 
      [] = 
      newString[0]; 
      
326
327publicString[] getStringMultibox 
      (){
        ...} 
      

          
       328         
       return 
       (this. 
       stringMultibox 
       ); 
       
  
       329     
       } 
      
330
331publicvoid setStringMultibox 
      (String stringMultibox 
      []){
        ...} 
      

          
       332         this. 
       stringMultibox = stringMultibox; 
       
  
       333     
       } 
      
334
335/** 
 336      * A String property. 
 337      */
338privateString stringProperty = "This is a string"; 
      
339
340publicString getStringProperty 
      (){
        ...} 
      

          
       341         
       return 
       (this. 
       stringProperty 
       ); 
       
  
       342     
       } 
      
343
344publicvoid setStringProperty 
      (String stringProperty 
      ){
        ...} 
      

          
       345         this. 
       stringProperty = stringProperty; 
       
  
       346     
       } 
      
347
348/** 
 349      * An empty String property. 
 350      */
351privateString emptyStringProperty = ""; 
      
352
353publicString getEmptyStringProperty 
      (){
        ...} 
      

          
       354         
       return 
       (this. 
       emptyStringProperty 
       ); 
       
  
       355     
       } 
      
356
357publicvoid setEmptyStringProperty 
      (String emptyStringProperty 
      ){
        ...} 
      

          
       358         this. 
       emptyStringProperty = emptyStringProperty; 
       
  
       359     
       } 
      
360
361
362/** 
 363      * A single-String value for a SELECT element based on resource strings. 
 364      */
365privateString resourcesSelect = "Resources 
      2"; 
      
366
367publicString getResourcesSelect 
      (){
        ...} 
      

          
       368         
       return 
       (this. 
       resourcesSelect 
       ); 
       
  
       369     
       } 
      
370
371publicvoid setResourcesSelect 
      (String resourcesSelect 
      ){
        ...} 
      

          
       372         this. 
       resourcesSelect = resourcesSelect; 
       
  
       373     
       } 
      
374
375
376/** 
 377      * A property that allows a null value but is still used in a SELECT. 
 378      */
379privateString withNulls = 
      null; 
      
380
381publicString getWithNulls 
      (){
        ...} 
      

          
       382         
       return 
       (this. 
       withNulls 
       ); 
       
  
       383     
       } 
      
384
385publicvoid setWithNulls 
      (String withNulls 
      ){
        ...} 
      

          
       386         this. 
       withNulls = withNulls; 
       
  
       387     
       } 
      
388
389
390/** 
 391      * A List property. 
 392      */
393privateList listProperty = 
      null; 
      
394
395publicList getListProperty 
      (){
        ...} 
      
396if(listProperty == 
       null){
         ...} 
       

           
        397             listProperty = 
        new 
        ArrayList 
        ( 
        ); 
        
  
        398             listProperty. 
        add 
        ("dummy" 
        ); 
        
  
        399         
        } 
       
400return listProperty; 
       
401}
402
403publicvoid setListProperty 
      (List listProperty 
      ){
        ...} 
      

          
       404         this. 
       listProperty = listProperty; 
       
  
       405     
       } 
      
406
407/** 
 408      * An empty List property. 
 409      */
410privateList emptyListProperty = 
      null; 
      
411
412publicList getEmptyListProperty 
      (){
        ...} 
      
413if(emptyListProperty == 
       null){
         ...} 
       

           
        414             emptyListProperty = 
        new 
        ArrayList 
        ( 
        ); 
        
  
        415         
        } 
       
416return emptyListProperty; 
       
417}
418
419publicvoid setEmptyListProperty 
      (List emptyListProperty 
      ){
        ...} 
      

          
       420         this. 
       emptyListProperty = emptyListProperty; 
       
  
       421     
       } 
      
422
423
424/** 
 425      * A Map property. 
 426      */
427privateMap mapProperty = 
      null; 
      
428
429publicMap getMapProperty 
      (){
        ...} 
      
430if(mapProperty == 
       null){
         ...} 
       

           
        431             mapProperty = 
        new 
        HashMap 
        ( 
        ); 
        
  
        432             mapProperty. 
        put 
        ("dummy", "dummy" 
        ); 
        
  
        433         
        } 
       
434return mapProperty; 
       
435}
436
437publicvoid setMapProperty 
      (Map mapProperty 
      ){
        ...} 
      

          
       438         this. 
       mapProperty = mapProperty; 
       
  
       439     
       } 
      
440
441/** 
 442      * An empty Map property. 
 443      */
444privateMap emptyMapProperty = 
      null; 
      
445
446publicMap getEmptyMapProperty 
      (){
        ...} 
      
447if(emptyMapProperty == 
       null){
         ...} 
       

           
        448             emptyMapProperty = 
        new 
        HashMap 
        ( 
        ); 
        
  
        449         
        } 
       
450return emptyMapProperty; 
       
451}
452
453publicvoid setEmptyMapProperty 
      (Map emptyMapProperty 
      ){
        ...} 
      

          
       454         this. 
       emptyMapProperty = emptyMapProperty; 
       
  
       455     
       } 
      
456
457
458// --------------------------------------------------------- Public Methods
459
460
461/** 
 462      * Reset the properties that will be received as input. 
 463      */
464publicvoid reset 
      (ActionMapping mapping, HttpServletRequest request 
      ){
        ...} 
      

          
       465  
       
  
       466         booleanProperty = 
       false; 
       
  
       467         collectionSelect = 
       new 
       String 
       [ 
       0 
       ]; 
       
  
       468         intMultibox = 
       new 
       int 
       [ 
       0 
       ]; 
       
  
       469         multipleSelect = 
       new 
       String 
       [ 
       0 
       ]; 
       
  
       470         stringMultibox = 
       new 
       String 
       [ 
       0 
       ]; 
       
  
       471         
       if 
       (nested != 
       null 
       ) 
       
  
       472             nested. 
       reset 
       (mapping, request 
       ); 
       
  
       473  
       
  
       474     
       } 
      
475
476
477}
478