01: /*
02: * $Id: NestedSubmitTag.java 471754 2006-11-06 14:55:09Z husted $
03: *
04: * Licensed to the Apache Software Foundation (ASF) under one
05: * or more contributor license agreements. See the NOTICE file
06: * distributed with this work for additional information
07: * regarding copyright ownership. The ASF licenses this file
08: * to you under the Apache License, Version 2.0 (the
09: * "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: package org.apache.struts.taglib.nested.html;
22:
23: import org.apache.struts.taglib.html.SubmitTag;
24: import org.apache.struts.taglib.nested.NestedPropertyHelper;
25: import org.apache.struts.taglib.nested.NestedPropertySupport;
26:
27: import javax.servlet.http.HttpServletRequest;
28: import javax.servlet.jsp.JspException;
29:
30: /**
31: * NestedSubmitTag.
32: *
33: * @version $Rev: 471754 $ $Date: 2004-10-16 12:38:42 -0400 (Sat, 16 Oct 2004)
34: * $
35: * @since Struts 1.1
36: */
37: public class NestedSubmitTag extends SubmitTag implements
38: NestedPropertySupport {
39: /* the usual private member variables */
40: private String originalProperty = null;
41:
42: /**
43: * Overriding method of the heart of the matter. Gets the relative
44: * property and leaves the rest up to the original tag implementation.
45: * Sweet.
46: *
47: * @return int JSP continuation directive. This is in the hands of the
48: * super class.
49: */
50: public int doStartTag() throws JspException {
51: // get the original properties
52: originalProperty = getProperty();
53:
54: // request
55: HttpServletRequest request = (HttpServletRequest) pageContext
56: .getRequest();
57:
58: // set the properties
59: NestedPropertyHelper.setNestedProperties(request, this );
60:
61: // let the super do it's thing
62: return super .doStartTag();
63: }
64:
65: /**
66: * Complete the processing of the tag. The nested tags here will restore
67: * all the original value for the tag itself and the nesting context.
68: *
69: * @return int to describe the next step for the JSP processor
70: * @throws JspException for the bad things JSP's do
71: */
72: public int doEndTag() throws JspException {
73: // do the super's ending part
74: int i = super .doEndTag();
75:
76: // reset the properties
77: setProperty(originalProperty);
78:
79: // continue
80: return i;
81: }
82:
83: /**
84: * Release the tag's resources and reset the values.
85: */
86: public void release() {
87: super .release();
88:
89: // reset the originals
90: originalProperty = null;
91: }
92: }
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