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1
16
17 package org.apache.taglibs.datetime;
18
19 import java.util.Locale  ;
20 import java.util.ResourceBundle ;
21 import java.util.MissingResourceException ;
22 import java.text.DateFormatSymbols ;
23 import javax.servlet.jsp.tagext.TagSupport ;
24 import javax.servlet.jsp.PageContext ;
25 import javax.servlet.jsp.JspException ;
26
27
49 public class DateFormatSymbolsTag extends TagSupport {
50
51 private int scope = PageContext.PAGE_SCOPE;
52 private String localeRef = null;
53 private boolean locale_flag = false;
54 private String baseName = null;
55
56 private ResourceBundle bundle;
57 private DateFormatSymbols dateFormatSymbols;
58
59 public void setScope(String scope) {
60 if (scope.toLowerCase().equals("application")) {
61 this.scope = PageContext.APPLICATION_SCOPE;
62 } else if (scope.toLowerCase().equals("session")) {
63 this.scope = PageContext.SESSION_SCOPE;
64 } else if (scope.toLowerCase().equals("request")) {
65 this.scope = PageContext.REQUEST_SCOPE;
66 } else if (scope.toLowerCase().equals("page")) {
67 this.scope = PageContext.PAGE_SCOPE;
68 }
69 }
70
71 public void setBaseName(String baseName) {
72 this.baseName = baseName;
73 }
74
75 public void setLocale(boolean locale) {
76 this.locale_flag = locale;
77 }
78
79 public void setLocaleRef(String localeRef) {
80 this.localeRef = localeRef;
81 }
82
83 public int doStartTag() throws JspException {
84 Locale locale = null;
85 if (localeRef != null) {
86 locale = (Locale ) pageContext.findAttribute(localeRef);
87 } else if (locale_flag) {
88 locale = pageContext.getRequest().getLocale();
89 } else {
90 dateFormatSymbols = new DateFormatSymbols ();
91 }
92 findBundle(locale);
93 buildDateFormatSymbols(locale);
94 if (this.getId() != null) {
95 pageContext.setAttribute(this.getId(), dateFormatSymbols, scope);
96 }
97 return SKIP_BODY;
98 }
99
100 public void release() {
101 super.release();
102 scope = PageContext.PAGE_SCOPE;
103 localeRef = null;
104 locale_flag = false;
105 baseName = null;
106 }
107
108 private void buildDateFormatSymbols(Locale locale) {
109 if (locale != null) {
110 dateFormatSymbols = new DateFormatSymbols (locale);
111 } else {
112 dateFormatSymbols = new DateFormatSymbols ();
113 }
114 try {
116 String customAmPm = bundle.getString("ampm");
117 if ("true".equals(customAmPm)) {
118 String ampm[] = new String [2];
119 for (int i = 0; i < 2; i++) {
120 ampm[i] = bundle.getString("ampm" + i);
121 }
122 dateFormatSymbols.setAmPmStrings(ampm);
123 }
124 } catch (MissingResourceException e) {
125 }
126
127 try {
129 String customEras = bundle.getString("eras");
130 if ("true".equals(customEras)) {
131 String eras[] = new String [2];
132 for (int i = 0; i < 2; i++) {
133 eras[i] = bundle.getString("eras" + i);
134 }
135 dateFormatSymbols.setEras(eras);
136 }
137 } catch (MissingResourceException e) {
138 }
139
140 try {
142 String customShortMonth = bundle.getString("shortmonth");
143 if ("true".equals(customShortMonth)) {
144 String shortmonth[] = new String [12];
145 for (int i = 0; i < 12; i++) {
146 shortmonth[i] = bundle.getString("shortmonth" + i);
147 }
148 dateFormatSymbols.setShortMonths(shortmonth);
149 }
150 } catch (MissingResourceException e) {
151 }
152
153 try {
155 String customMonth = bundle.getString("month");
156 if ("true".equals(customMonth)) {
157 String month[] = new String [12];
158 for (int i = 0; i < 12; i++) {
159 month[i] = bundle.getString("month" + i);
160 }
161 dateFormatSymbols.setMonths(month);
162 }
163 } catch (MissingResourceException e) {
164 }
165
166 try {
168 String customWeekdays = bundle.getString("weekdays");
169 if ("true".equals(customWeekdays)) {
170 String weekdays[] = new String [7];
171 for (int i = 0; i < 7; i++) {
172 weekdays[i] = bundle.getString("weekdays" + i);
173 }
174 dateFormatSymbols.setWeekdays(weekdays);
175 }
176 } catch (MissingResourceException e) {
177 }
178
179 try {
181 String customShortWeekdays = bundle.getString("shortweekdays");
182 if ("true".equals(customShortWeekdays)) {
183 String shortweekdays[] = new String [7];
184 for (int i = 0; i < 7; i++) {
185 shortweekdays[i] = bundle.getString("shortweekdays" + i);
186 }
187 dateFormatSymbols.setShortWeekdays(shortweekdays);
188 }
189 } catch (MissingResourceException e) {
190 }
191 }
192
193 private void findBundle(Locale locale) {
194 if (locale != null) {
195 ClassLoader cl = Thread.currentThread().getContextClassLoader();
196 bundle = ResourceBundle.getBundle(baseName, locale, cl);
197 } else {
198 bundle = ResourceBundle.getBundle(baseName);
199 }
200 }
201
202 }
203 |
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