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1
57
58 package org.apache.wsif.logging;
59
60 import java.util.Locale  ;
61 import java.text.MessageFormat ;
62 import java.util.MissingResourceException ;
63 import java.util.ResourceBundle ;
64 import org.apache.commons.logging.Log;
65 import org.apache.commons.logging.LogFactory;
66
67
70 public class MessageLogger {
71 private static Log log = LogFactory.getLog("wsif");
72
73
76 private static ResourceBundle messages = null;
77
78
81 private MessageLogger() {
82 Trc.entry(this);
83 Trc.exit();
84 }
85
86 public static boolean isInfoEnabled() {
87 return log.isInfoEnabled();
88 }
89
90 public static boolean isWarnEnabled() {
91 return log.isWarnEnabled();
92 }
93
94 public static boolean isErrorEnabled() {
95 return log.isErrorEnabled();
96 }
97
98 public static boolean isFatalEnabled() {
99 return log.isFatalEnabled();
100 }
101
102 public static void log(String key) {
103 Trc.entry(null,key);
104 try {
105 logIt(key.charAt(key.length() - 1), getMessage(key));
106 } catch (MissingResourceException mre) {
107 Trc.exception(mre);
108 handleMissingResourceException(mre, key, null);
109 }
110 Trc.exit();
111 }
112
113
118 public static void log(String key, Object var) {
119 Trc.entry(null,key,var);
120 String [] args = { var == null ? "<null>" : var.toString()};
121 try {
122 logIt(
123 key.charAt(key.length() - 1),
124 MessageFormat.format(getMessage(key), args));
125 } catch (MissingResourceException mre) {
126 Trc.exception(mre);
127 handleMissingResourceException(mre, key, args);
128 }
129 Trc.exit();
130 }
131
132
137 public static void log(String key, Object var1, Object var2) {
138 Trc.entry(null,key,var1,var2);
139 String [] args = {
140 var1 == null ? "<null>" : var1.toString(),
141 var2 == null ? "<null>" : var2.toString()};
142 try {
143 logIt(
144 key.charAt(key.length() - 1),
145 MessageFormat.format(getMessage(key), args));
146 } catch (MissingResourceException mre) {
147 Trc.exception(mre);
148 handleMissingResourceException(mre, key, args);
149 }
150 Trc.exit();
151 }
152
153
160 public static void log(String key, Object [] vars) {
161 Trc.entry(null,key,vars);
162 String [] args;
163 if (vars == null) {
164 args = new String [1];
165 args[0] = "<null>";
166 } else {
167 args = new String [vars.length];
168 for (int i = 0; i < vars.length; i++)
169 args[i] = (vars[i] == null ? "<null>" : vars[i].toString());
170 }
171
172 try {
173 logIt(
174 key.charAt(key.length() - 1),
175 MessageFormat.format(getMessage(key), args));
176 } catch (MissingResourceException mre) {
177 Trc.exception(mre);
178 handleMissingResourceException(mre, key, args);
179 }
180 Trc.exit();
181 }
182
183
188 private static String getMessage(String key) {
189 if (messages == null)
190 messages = ResourceBundle.getBundle("org.apache.wsif.catalog.Messages");
191
192 return messages.getString(key);
193 }
194
195 private static void logIt(char severity, String text) {
196 if (severity == 'I') {
197 if (isInfoEnabled())
198 log.info(text);
199 } else if (severity == 'W') {
200 if (isWarnEnabled())
201 log.warn(text);
202 } else if (severity == 'F') {
203 if (isFatalEnabled())
204 log.fatal(text);
205 } else {
206 if (isErrorEnabled())
208 log.error(text);
209 }
210 }
211
212 private static void handleMissingResourceException(
213 MissingResourceException mre,
214 String key,
215 String [] args) {
216
217 StringBuffer sb = new StringBuffer ("WSIF: Unable to display message ");
218 sb.append(key);
219 if (args != null && args.length > 0) {
220 sb.append(" with arguments ");
221 for (int i = 0; i < args.length; i++) {
222 if (i != 0)
223 sb.append(", ");
224 sb.append(args[i]);
225 }
226 }
227 sb.append(" because WSIF MessageLogger caught ");
228 sb.append(mre.toString());
229 log.error(sb.toString());
230 }
231 }
232 |
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