|
|||||||||||||||||||
30 day Evaluation License registered to hlship@comcast.net Your 30 day evaluation period has expired. Please visit http://www.cenqua.com to obtain a licensed version of Clover | |||||||||||||||||||
Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
Hidden.java | 100% | 84.2% | 66.7% | 84.6% |
|
1 | // Copyright 2004, 2005 The Apache Software Foundation | |
2 | // | |
3 | // Licensed under the Apache License, Version 2.0 (the "License"); | |
4 | // you may not use this file except in compliance with the License. | |
5 | // You may obtain a copy of the License at | |
6 | // | |
7 | // http://www.apache.org/licenses/LICENSE-2.0 | |
8 | // | |
9 | // Unless required by applicable law or agreed to in writing, software | |
10 | // distributed under the License is distributed on an "AS IS" BASIS, | |
11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 | // See the License for the specific language governing permissions and | |
13 | // limitations under the License. | |
14 | ||
15 | package org.apache.tapestry.form; | |
16 | ||
17 | import java.io.IOException; | |
18 | ||
19 | import org.apache.hivemind.ApplicationRuntimeException; | |
20 | import org.apache.tapestry.IActionListener; | |
21 | import org.apache.tapestry.IForm; | |
22 | import org.apache.tapestry.IMarkupWriter; | |
23 | import org.apache.tapestry.IRequestCycle; | |
24 | import org.apache.tapestry.listener.ListenerInvoker; | |
25 | import org.apache.tapestry.services.DataSqueezer; | |
26 | ||
27 | /** | |
28 | * Implements a hidden field within a {@link Form}. [ <a | |
29 | * href="../../../../../ComponentReference/Hidden.html">Component Reference </a>] | |
30 | * | |
31 | * @author Howard Lewis Ship | |
32 | * @author Paul Ferraro | |
33 | */ | |
34 | public abstract class Hidden extends AbstractFormComponent | |
35 | { | |
36 | /** | |
37 | * @see org.apache.tapestry.form.AbstractFormComponent#renderFormComponent(org.apache.tapestry.IMarkupWriter, org.apache.tapestry.IRequestCycle) | |
38 | */ | |
39 | 4 | protected void renderFormComponent(IMarkupWriter writer, IRequestCycle cycle) |
40 | { | |
41 | 4 | IForm form = getForm(); |
42 | 4 | String externalValue = null; |
43 | ||
44 | 4 | if (getEncode()) |
45 | { | |
46 | 2 | Object value = getValue(); |
47 | ||
48 | 2 | try |
49 | { | |
50 | 2 | externalValue = getDataSqueezer().squeeze(value); |
51 | } | |
52 | catch (IOException e) | |
53 | { | |
54 | 0 | throw new ApplicationRuntimeException(e.getMessage(), this, null, e); |
55 | } | |
56 | } | |
57 | else | |
58 | 2 | externalValue = (String) getBinding("value").getObject(String.class); |
59 | ||
60 | 4 | String id = getClientId(); |
61 | ||
62 | 4 | form.addHiddenValue(getName(), id, externalValue); |
63 | } | |
64 | ||
65 | /** | |
66 | * @see org.apache.tapestry.form.AbstractFormComponent#rewindFormComponent(org.apache.tapestry.IRequestCycle) | |
67 | */ | |
68 | 4 | protected void rewindFormComponent(IMarkupWriter writer, IRequestCycle cycle) |
69 | { | |
70 | 4 | String parameter = cycle.getParameter(getName()); |
71 | ||
72 | 4 | Object value = parameter; |
73 | ||
74 | 4 | if (getEncode()) |
75 | { | |
76 | 2 | try |
77 | { | |
78 | 2 | value = getDataSqueezer().unsqueeze(parameter); |
79 | } | |
80 | catch (IOException ex) | |
81 | { | |
82 | 0 | throw new ApplicationRuntimeException(ex.getMessage(), this, null, ex); |
83 | } | |
84 | } | |
85 | ||
86 | // A listener is not always necessary ... it's easy to code | |
87 | // the synchronization as a side-effect of the accessor method. | |
88 | ||
89 | 4 | setValue(value); |
90 | ||
91 | 4 | getListenerInvoker().invokeListener(getListener(), this, cycle); |
92 | } | |
93 | ||
94 | /** @since 2.2 * */ | |
95 | public abstract DataSqueezer getDataSqueezer(); | |
96 | ||
97 | public abstract Object getValue(); | |
98 | ||
99 | public abstract void setValue(Object value); | |
100 | ||
101 | public abstract IActionListener getListener(); | |
102 | ||
103 | /** | |
104 | * Injected. | |
105 | * | |
106 | * @since 4.0 | |
107 | */ | |
108 | ||
109 | public abstract ListenerInvoker getListenerInvoker(); | |
110 | ||
111 | /** | |
112 | * Returns false. Hidden components are never disabled. | |
113 | * | |
114 | * @since 2.2 | |
115 | */ | |
116 | 0 | public boolean isDisabled() |
117 | { | |
118 | 0 | return false; |
119 | } | |
120 | ||
121 | /** | |
122 | * Returns true if the compent encodes object values using a | |
123 | * {@link org.apache.tapestry.util.io.DataSqueezerImpl}, false if values are always Strings. | |
124 | * | |
125 | * @since 2.2 | |
126 | */ | |
127 | public abstract boolean getEncode(); | |
128 | } |
|