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16 package org.apache.myfaces.taglib.core;
17
18 import java.util.Locale  ;
19 import java.util.TimeZone ;
20 import javax.faces.context.FacesContext;
21 import javax.faces.convert.Converter;
22 import javax.faces.convert.DateTimeConverter;
23 import javax.faces.el.ValueBinding;
24 import javax.faces.webapp.ConverterTag;
25 import javax.faces.webapp.UIComponentTag;
26 import javax.servlet.jsp.JspException ;
27 import javax.servlet.jsp.PageContext ;
28
29
49 public class ConvertDateTimeTag
50 extends ConverterTag
51 {
52 private String _dateStyle = "default"; private String _locale = null;
54 private String _pattern = null;
55 private String _timeStyle = "default"; private String _timeZone = null;
57 private String _type = null;
58
59 public ConvertDateTimeTag()
60 {
61 super();
62 }
64
65 public void setDateStyle(String dateStyle)
66 {
67 _dateStyle = dateStyle;
68 }
69
70 public void setLocale(String locale)
71 {
72 _locale = locale;
73 }
74
75 public void setPattern(String pattern)
76 {
77 _pattern = pattern;
78 }
79
80 public void setTimeStyle(String timeStyle)
81 {
82 _timeStyle = timeStyle;
83 }
84
85 public void setTimeZone(String timeZone)
86 {
87 _timeZone = timeZone;
88 }
89
90 public void setType(String type)
91 {
92 _type = type;
93 }
94
95 public void setPageContext(PageContext context)
96 {
97 super.setPageContext(context);
98 setConverterId(DateTimeConverter.CONVERTER_ID);
99 }
100
101 protected Converter createConverter() throws JspException
102 {
103 DateTimeConverter converter = (DateTimeConverter)super.createConverter();
104
105 FacesContext facesContext = FacesContext.getCurrentInstance();
106 setConverterDateStyle(facesContext, converter, _dateStyle);
107 setConverterLocale(facesContext, converter, _locale);
108 setConverterPattern(facesContext, converter, _pattern);
109 setConverterTimeStyle(facesContext, converter, _timeStyle);
110 setConverterTimeZone(facesContext, converter, _timeZone);
111 setConverterType(facesContext, converter, _type);
112
113 return converter;
114 }
115
116
117 private static void setConverterDateStyle(FacesContext facesContext,
118 DateTimeConverter converter,
119 String value)
120 {
121 if (value == null) return;
122 if (UIComponentTag.isValueReference(value))
123 {
124 ValueBinding vb = facesContext.getApplication().createValueBinding(value);
125 converter.setDateStyle((String )vb.getValue(facesContext));
126 }
127 else
128 {
129 converter.setDateStyle(value);
130 }
131 }
132
133 private static void setConverterLocale(FacesContext facesContext,
134 DateTimeConverter converter,
135 String value)
136 {
137 if (value == null) return;
138 if (UIComponentTag.isValueReference(value))
139 {
140 ValueBinding vb = facesContext.getApplication().createValueBinding(value);
141 converter.setLocale((Locale )vb.getValue(facesContext));
142 }
143 else
144 {
145 throw new IllegalArgumentException ("Attribute locale of type String not supported");
146 }
147 }
148
149 private static void setConverterPattern(FacesContext facesContext,
150 DateTimeConverter converter,
151 String value)
152 {
153 if (value == null) return;
154 if (UIComponentTag.isValueReference(value))
155 {
156 ValueBinding vb = facesContext.getApplication().createValueBinding(value);
157 converter.setPattern((String )vb.getValue(facesContext));
158 }
159 else
160 {
161 converter.setPattern(value);
162 }
163 }
164
165 private static void setConverterTimeStyle(FacesContext facesContext,
166 DateTimeConverter converter,
167 String value)
168 {
169 if (value == null) return;
170 if (UIComponentTag.isValueReference(value))
171 {
172 ValueBinding vb = facesContext.getApplication().createValueBinding(value);
173 converter.setTimeStyle((String )vb.getValue(facesContext));
174 }
175 else
176 {
177 converter.setTimeStyle(value);
178 }
179 }
180
181 private static void setConverterTimeZone(FacesContext facesContext,
182 DateTimeConverter converter,
183 String value)
184 {
185 if (value == null) return;
186 if (UIComponentTag.isValueReference(value))
187 {
188 ValueBinding vb = facesContext.getApplication().createValueBinding(value);
189 converter.setTimeZone((TimeZone )vb.getValue(facesContext));
190 }
191 else
192 {
193 converter.setTimeZone(TimeZone.getTimeZone(value));
194 }
195 }
196
197 private static void setConverterType(FacesContext facesContext,
198 DateTimeConverter converter,
199 String value)
200 {
201 if (value == null) return;
202 if (UIComponentTag.isValueReference(value))
203 {
204 ValueBinding vb = facesContext.getApplication().createValueBinding(value);
205 converter.setType((String )vb.getValue(facesContext));
206 }
207 else
208 {
209 converter.setType(value);
210 }
211 }
212
213 }
214 |
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