01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: *
17: * $Header:$
18: */
19: package org.apache.beehive.netui.pageflow;
20:
21: import org.apache.struts.action.ActionForm;
22:
23: import java.io.Serializable;
24:
25: /**
26: * Base class for previous-page and previous-action information.
27: */
28: public abstract class PreviousInfo implements Serializable {
29: private ActionForm _form;
30: private String _queryString;
31:
32: protected PreviousInfo(ActionForm form, String queryString) {
33: _form = form;
34: _queryString = queryString;
35: }
36:
37: /**
38: * Get the form bean that was used to initialize the previous page or action.
39: *
40: * @return the previous ActionForm instance, or <code>null</code> if there was none.
41: */
42: public ActionForm getForm() {
43: return _form;
44: }
45:
46: /**
47: * Get the query string from the previous page or action request.
48: *
49: * @return the previous query string, or <code>null</code> if there was none.
50: */
51: public String getQueryString() {
52: return _queryString;
53: }
54:
55: void setForm(ActionForm form) {
56: _form = form;
57: }
58:
59: void setQueryString(String queryString) {
60: _queryString = queryString;
61: }
62: }
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