1 /*
2 * $Id: LinkSubscriptionTag.java 471754 2006-11-06 14:55:09Z husted $
3 *
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "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
22
23 package org.apache.struts.webapp.example2;
24
25
26 import javax.faces.component.UIComponent;
27 import javax.faces.el.ValueBinding;
28 import javax.faces.webapp.UIComponentTag;
29
30
31 /**
32 * Generate a URL-encoded hyperlink to the specified URI, with
33 * associated query parameters selecting a specified Subscription.
34 *
35 * @author Craig R. McClanahan
36 * @version $Rev: 471754 $ $Date: 2006-11-06 08:55:09 -0600 (Mon, 06 Nov 2006) $
37 */
38
39 public class LinkSubscriptionTag extends UIComponentTag {
40
41
42 // -------------------------------------------------------------- Attributes
43
44
45 /**
46 * The attribute name.
47 */
48 protected String name = "subscription";
49
50 public void setName(String name) {
51 this.name = name;
52 }
53
54
55 /**
56 * The context-relative URI.
57 */
58 protected String page = null;
59
60 public void setPage(String page) {
61 this.page = page;
62 }
63
64
65 // ---------------------------------------------------------- Public Methods
66
67
68 /**
69 * Return the component type for this tag.</p>
70 */
71 public String getComponentType() {
72
73 return ("Output");
74
75 }
76
77
78 /**
79 * <p>Return the renderer type associated with this tag.</p>
80 */
81 public String getRendererType() {
82
83 return ("LinkSubscription");
84
85 }
86
87
88 /**
89 * <p>Release resources allocated to this tag instance.</p>
90 */
91 public void release() {
92
93 super.release();
94 this.name = "subscription";
95 this.page = null;
96
97 }
98
99
100 // ------------------------------------------------------- Protected Methods
101
102
103 /**
104 * <p>Override attributes set on this tag instance.</p>
105 *
106 * @param component Component whose attributes should be overridden
107 */
108 protected void setProperties(UIComponent component) {
109
110 super.setProperties(component);
111 if (name != null) {
112 if (isValueReference(name)) {
113 ValueBinding vb =
114 getFacesContext().getApplication().createValueBinding(name);
115 component.setValueBinding("name", vb);
116 } else {
117 component.getAttributes().put("name", name);
118 }
119 }
120 if (page != null) {
121 if (isValueReference(page)) {
122 ValueBinding vb =
123 getFacesContext().getApplication().createValueBinding(page);
124 component.setValueBinding("page", vb);
125 } else {
126 component.getAttributes().put("page", page);
127 }
128 }
129
130 }
131
132
133 }