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Java > Open Source Codes > org > apache > beehive > netui > pageflow > PreviousInfo


1 /*
2  * Copyright 2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  *
16  * $Header:$
17  */
18 package org.apache.beehive.netui.pageflow;
19
20 import org.apache.struts.action.ActionForm;
21
22 import java.io.Serializable JavaDoc;
23
24 /**
25  * Base class for previous-page and previous-action information.
26  */
27 public abstract class PreviousInfo
28         implements Serializable JavaDoc
29 {
30     private ActionForm _form;
31     private String JavaDoc _queryString;
32
33     protected PreviousInfo( ActionForm form, String JavaDoc queryString )
34     {
35         _form = form;
36         _queryString = queryString;
37     }
38
39     /**
40      * Get the form bean that was used to initialize the previous page or action.
41      *
42      * @return the previous ActionForm instance, or <code>null</code> if there was none.
43      */
44     public ActionForm getForm()
45     {
46         return _form;
47     }
48
49     /**
50      * Get the query string from the previous page or action request.
51      *
52      * @return the previous query string, or <code>null</code> if there was none.
53      */
54     public String JavaDoc getQueryString()
55     {
56         return _queryString;
57     }
58
59     void setForm( ActionForm form )
60     {
61         _form = form;
62     }
63
64     void setQueryString( String JavaDoc queryString )
65     {
66         _queryString = queryString;
67     }
68 }
69
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