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1 | /* | |
2 | Chrysalis Web Framework [http://chrysalis.sourceforge.net] | |
3 | Copyright (c) 2002, 2003, 2004, Paul Strack | |
4 | ||
5 | All rights reserved. | |
6 | ||
7 | Redistribution and use in source and binary forms, with or without | |
8 | modification, are permitted provided that the following conditions are met: | |
9 | ||
10 | 1. Redistributions of source code must retain the above copyright notice, this | |
11 | list of conditions and the following disclaimer. | |
12 | ||
13 | 2. Redistributions in binary form must reproduce the above copyright notice, | |
14 | this list of conditions and the following disclaimer in the documentation | |
15 | and/or other materials provided with the distribution. | |
16 | ||
17 | 3. Neither the name of the copyright holder nor the names of its contributors | |
18 | may be used to endorse or promote products derived from this software without | |
19 | specific prior written permission. | |
20 | ||
21 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND | |
22 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
23 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
24 | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR | |
25 | ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
26 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
27 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | |
28 | ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
29 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
30 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
31 | */ | |
32 | ||
33 | package org.chwf.taglib.jutil; | |
34 | ||
35 | import java.io.IOException; | |
36 | import java.util.Locale; | |
37 | ||
38 | import javax.servlet.jsp.JspException; | |
39 | ||
40 | import org.chwf.converter.Converter; | |
41 | import org.chwf.filter.BeanFilter; | |
42 | import org.chwf.filter.PropertyFilter; | |
43 | import org.chwf.i18n.UserLocale; | |
44 | import org.chwf.taglib.base.ObjectTagSupport; | |
45 | ||
46 | /** | |
47 | * Tag handler for the <code><print></code> tag. | |
48 | * | |
49 | * @author <a href="mailto:pfstrack@users.sourceforge.net">Paul Strack</a> | |
50 | */ | |
51 | 16 | public class PrintTag extends ObjectTagSupport { |
52 | ||
53 | /** Logical datatype. */ | |
54 | private String datatype; | |
55 | ||
56 | /** Property attribute. */ | |
57 | private String attribute; | |
58 | ||
59 | /** | |
60 | * Clean up data for tag handler reuse and pooling. Should be overridden in | |
61 | * tag handler. Subclasses should always invoke their superclass's cleanup | |
62 | * method: <code>super.cleanup()</code> | |
63 | */ | |
64 | public void cleanup() { | |
65 | 1 | super.cleanup(); |
66 | 1 | this.datatype = null; |
67 | 1 | this.attribute = null; |
68 | 1 | } |
69 | ||
70 | /** | |
71 | * Calls superclass method. Is present here because of a bug in some servlet | |
72 | * engines that requires tag attibute setters to be defined in the tag class | |
73 | * itself. | |
74 | * | |
75 | * @param objectName The object name. | |
76 | * @throws JspException For errors. | |
77 | */ | |
78 | public void setObject(String objectName) throws JspException { | |
79 | 7 | super.setObject(objectName); |
80 | 7 | } |
81 | ||
82 | /** | |
83 | * Calls superclass method. Is present here because of a bug in some servlet | |
84 | * engines that requires tag attibute setters to be defined in the tag class | |
85 | * itself. | |
86 | * | |
87 | * @param property The property name. | |
88 | * @throws JspException For errors. | |
89 | */ | |
90 | public void setProperty(String property) throws JspException { | |
91 | 5 | super.setProperty(property); |
92 | 5 | } |
93 | ||
94 | /** | |
95 | * Calls superclass method. Is present here because of a bug in some servlet | |
96 | * engines that requires tag attibute setters to be defined in the tag class | |
97 | * itself. | |
98 | * | |
99 | * @param el The JSTL Expression Language statement. | |
100 | */ | |
101 | public void setEl(String el) { | |
102 | 3 | super.setEl(el); |
103 | 3 | } |
104 | ||
105 | /** | |
106 | * Logical datatype. | |
107 | * | |
108 | * @param datatype Logical datatype. | |
109 | */ | |
110 | public void setDatatype(String datatype) { | |
111 | 6 | this.datatype = datatype; |
112 | 6 | } |
113 | ||
114 | /** | |
115 | * Logical datatype. | |
116 | * | |
117 | * @return Logical datatype. | |
118 | */ | |
119 | public String getDatatype() { | |
120 | 9 | return datatype; |
121 | } | |
122 | ||
123 | /** | |
124 | * Property attribute to print (if any). | |
125 | * | |
126 | * @param attribute Property attribute to print (if any). | |
127 | */ | |
128 | public void setAttribute(String attribute) { | |
129 | 2 | this.attribute = attribute; |
130 | 2 | } |
131 | ||
132 | /** | |
133 | * Property attribute to print (if any). | |
134 | * | |
135 | * @return Property attribute to print (if any). | |
136 | */ | |
137 | public String getAttribute() { | |
138 | 11 | return attribute; |
139 | } | |
140 | ||
141 | /** | |
142 | * Prints the tag value. | |
143 | * | |
144 | * @return SKIP_BODY | |
145 | * @throws IOException For IO exceptions. | |
146 | * @throws JspException For parsiing errors. | |
147 | */ | |
148 | public int doStart() throws IOException, JspException { | |
149 | 8 | String value = null; |
150 | 8 | if (getAttribute() != null) { |
151 | 1 | BeanFilter filter = BeanFilter.findFilter(findObject()); |
152 | 1 | PropertyFilter propertyFilter = filter.getPropertyFilter(getProperty()); |
153 | 1 | Locale locale = UserLocale.getLocale(); |
154 | 1 | value = propertyFilter.getLocalizedAttribute(getAttribute(), locale); |
155 | } else { | |
156 | 7 | String datatype = getDatatype(); |
157 | 7 | String property = getProperty(); |
158 | 7 | if ((property != null) && datatype == null) { |
159 | 2 | Object object = findObject(); |
160 | 2 | BeanFilter filter = BeanFilter.findFilter(object); |
161 | 2 | value = filter.get(object, property); |
162 | } else { | |
163 | 5 | Object result = getTagResult(); |
164 | 5 | if (result != null) { |
165 | 5 | if (datatype == null) { |
166 | 2 | datatype = result.getClass().getName(); |
167 | } | |
168 | 5 | value = Converter.getConverter(datatype).format(result); |
169 | } | |
170 | } | |
171 | } | |
172 | 8 | if (value != null) { |
173 | 7 | pageContext.getOut().print(value); |
174 | } | |
175 | 8 | return SKIP_BODY; |
176 | } | |
177 | } |
this report was generated by version 1.0.5 of jcoverage. |
copyright © 2003, jcoverage ltd. all rights reserved. |