01: /*
02: * $Id: NestedOptionsCollectionTag.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.OptionsCollectionTag;
24: import org.apache.struts.taglib.nested.NestedNameSupport;
25: import org.apache.struts.taglib.nested.NestedPropertyHelper;
26:
27: import javax.servlet.http.HttpServletRequest;
28: import javax.servlet.jsp.JspException;
29:
30: /**
31: * NestedOptionsCollectionTag.
32: *
33: * @version $Rev: 471754 $
34: * @since Struts 1.1
35: */
36: public class NestedOptionsCollectionTag extends OptionsCollectionTag
37: implements NestedNameSupport {
38: /* the usual private member variables */
39: private String originalName = null;
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: originalName = getName();
53: originalProperty = getProperty();
54:
55: // request
56: HttpServletRequest request = (HttpServletRequest) pageContext
57: .getRequest();
58:
59: // set the properties
60: NestedPropertyHelper.setNestedProperties(request, this );
61:
62: // let the super do it's thing
63: return super .doStartTag();
64: }
65:
66: /**
67: * Complete the processing of the tag. The nested tags here will restore
68: * all the original value for the tag itself and the nesting context.
69: *
70: * @return int to describe the next step for the JSP processor
71: * @throws JspException for the bad things JSP's do
72: */
73: public int doEndTag() throws JspException {
74: // do the super's ending part
75: int i = super .doEndTag();
76:
77: // reset the properties
78: setName(originalName);
79: setProperty(originalProperty);
80:
81: // continue
82: return i;
83: }
84:
85: /**
86: * Release the tag's resources and reset the values.
87: */
88: public void release() {
89: super .release();
90:
91: // reset the originals
92: originalName = null;
93: originalProperty = null;
94: }
95: }
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