| 1 |  |  package org.apache.ojb.broker.util.logging; | 
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  | 18 |  |  import org.apache.ojb.broker.util.configuration.Configuration; | 
  | 19 |  |  import org.apache.ojb.broker.util.configuration.ConfigurationException; | 
  | 20 |  |   | 
  | 21 |  |   | 
  | 22 |  |   | 
  | 23 |  |   | 
  | 24 |  |   | 
  | 25 |  |   | 
  | 26 |  |   | 
  | 27 |  |   | 
  | 28 |  |  public class PoorMansLoggerImpl implements Logger | 
  | 29 |  |  { | 
  | 30 |  |      protected static final String STR_DEBUG = "DEBUG"; | 
  | 31 |  |      protected static final String STR_INFO = "INFO"; | 
  | 32 |  |      protected static final String STR_WARN = "WARN"; | 
  | 33 |  |      protected static final String STR_ERROR = "ERROR"; | 
  | 34 |  |      protected static final String STR_FATAL = "FATAL"; | 
  | 35 |  |   | 
  | 36 |  |      protected static final String STR_DEBUG_MSG = "DEBUG: "; | 
  | 37 |  |      protected static final String STR_INFO_MSG = "INFO: "; | 
  | 38 |  |      protected static final String STR_WARN_MSG = "WARN: "; | 
  | 39 |  |      protected static final String STR_ERROR_MSG = "ERROR: "; | 
  | 40 |  |      protected static final String STR_FATAL_MSG = "FATAL: "; | 
  | 41 |  |   | 
  | 42 |  |      protected static final String BRAKE_OPEN = "["; | 
  | 43 |  |      protected static final String BRAKE_CLOSE = "] "; | 
  | 44 |  |   | 
  | 45 |  |      private String name ; | 
  | 46 |  |   | 
  | 47 |  |      private int level = 0; | 
  | 48 |  |   | 
  | 49 |  |      public PoorMansLoggerImpl( String name) | 
  | 50 |  |      { | 
  | 51 |  |          this.name = name ; | 
  | 52 |  |      } | 
  | 53 |  |   | 
  | 54 |  |      protected int getLevel() | 
  | 55 |  |      { | 
  | 56 |  |          return level; | 
  | 57 |  |      } | 
  | 58 |  |   | 
  | 59 |  |      void setLevel(int pLevel) | 
  | 60 |  |      { | 
  | 61 |  |          level = pLevel; | 
  | 62 |  |      } | 
  | 63 |  |   | 
  | 64 |  |      public String getName() | 
  | 65 |  |      { | 
  | 66 |  |          return name; | 
  | 67 |  |      } | 
  | 68 |  |   | 
  | 69 |  |       | 
  | 70 |  |   | 
  | 71 |  |   | 
  | 72 |  |   | 
  | 73 |  |      public void debug(Object pObject) | 
  | 74 |  |      { | 
  | 75 |  |          debug(pObject, null); | 
  | 76 |  |      } | 
  | 77 |  |   | 
  | 78 |  |      public void debug(Object message, Throwable t) | 
  | 79 |  |      { | 
  | 80 |  |          if (DEBUG >= getLevel()) | 
  | 81 |  |          { | 
  | 82 |  |              log(STR_DEBUG_MSG, message, t); | 
  | 83 |  |          } | 
  | 84 |  |      } | 
  | 85 |  |   | 
  | 86 |  |      public void safeDebug(String message,Object obj) | 
  | 87 |  |      { | 
  | 88 |  |          safeDebug(message,obj,null); | 
  | 89 |  |      } | 
  | 90 |  |   | 
  | 91 |  |      public void safeDebug(String message,Object obj,Throwable t) | 
  | 92 |  |      { | 
  | 93 |  |          if(DEBUG >= getLevel()) | 
  | 94 |  |          { | 
  | 95 |  |              String toString = null; | 
  | 96 |  |              if(obj != null) | 
  | 97 |  |              { | 
  | 98 |  |                  try | 
  | 99 |  |                  { | 
  | 100 |  |                      toString = obj.toString(); | 
  | 101 |  |                  } | 
  | 102 |  |                  catch(Throwable throwable) | 
  | 103 |  |                  { | 
  | 104 |  |                      toString = "BAD toString() impl for "+obj.getClass().getName(); | 
  | 105 |  |                  } | 
  | 106 |  |              } | 
  | 107 |  |              log(STR_DEBUG_MSG,message + " : " + toString,t); | 
  | 108 |  |          } | 
  | 109 |  |      } | 
  | 110 |  |   | 
  | 111 |  |   | 
  | 112 |  |       | 
  | 113 |  |   | 
  | 114 |  |   | 
  | 115 |  |   | 
  | 116 |  |      public void info(Object pObject) | 
  | 117 |  |      { | 
  | 118 |  |          info(pObject, null); | 
  | 119 |  |      } | 
  | 120 |  |   | 
  | 121 |  |      public void info(Object message, Throwable t) | 
  | 122 |  |      { | 
  | 123 |  |          if (INFO >= getLevel()) | 
  | 124 |  |          { | 
  | 125 |  |              log(STR_INFO_MSG, message, t); | 
  | 126 |  |          } | 
  | 127 |  |      } | 
  | 128 |  |   | 
  | 129 |  |      public void safeInfo(String message,Object obj) | 
  | 130 |  |      { | 
  | 131 |  |          safeInfo(message,obj,null); | 
  | 132 |  |      } | 
  | 133 |  |   | 
  | 134 |  |      public void safeInfo(String message,Object obj,Throwable t) | 
  | 135 |  |      { | 
  | 136 |  |          if(INFO >= getLevel()) | 
  | 137 |  |          { | 
  | 138 |  |              String toString = null; | 
  | 139 |  |              if(obj != null) | 
  | 140 |  |              { | 
  | 141 |  |                  try | 
  | 142 |  |                  { | 
  | 143 |  |                      toString = obj.toString(); | 
  | 144 |  |                  } | 
  | 145 |  |                  catch(Throwable throwable) | 
  | 146 |  |                  { | 
  | 147 |  |                      toString = "BAD toString() impl for "+obj.getClass().getName(); | 
  | 148 |  |                  } | 
  | 149 |  |              } | 
  | 150 |  |              log(STR_INFO_MSG, message + " : " + toString,t); | 
  | 151 |  |          } | 
  | 152 |  |      } | 
  | 153 |  |   | 
  | 154 |  |       | 
  | 155 |  |   | 
  | 156 |  |   | 
  | 157 |  |   | 
  | 158 |  |      public void warn(Object pObject) | 
  | 159 |  |      { | 
  | 160 |  |          warn(pObject, null); | 
  | 161 |  |      } | 
  | 162 |  |   | 
  | 163 |  |      public void warn(Object message, Throwable t) | 
  | 164 |  |      { | 
  | 165 |  |          if (WARN >= getLevel()) | 
  | 166 |  |          { | 
  | 167 |  |              log(STR_WARN_MSG, message, t); | 
  | 168 |  |          } | 
  | 169 |  |      } | 
  | 170 |  |   | 
  | 171 |  |      public void safeWarn(String message,Object obj) | 
  | 172 |  |      { | 
  | 173 |  |          safeWarn(message,obj,null); | 
  | 174 |  |      } | 
  | 175 |  |   | 
  | 176 |  |      public void safeWarn(String message,Object obj,Throwable t) | 
  | 177 |  |      { | 
  | 178 |  |          if(WARN >= getLevel()) | 
  | 179 |  |          { | 
  | 180 |  |              String toString = null; | 
  | 181 |  |              if(obj != null) | 
  | 182 |  |              { | 
  | 183 |  |                  try | 
  | 184 |  |                  { | 
  | 185 |  |                      toString = obj.toString(); | 
  | 186 |  |                  } | 
  | 187 |  |                  catch(Throwable throwable) | 
  | 188 |  |                  { | 
  | 189 |  |                      toString = "BAD toString() impl for "+obj.getClass().getName(); | 
  | 190 |  |                  } | 
  | 191 |  |              } | 
  | 192 |  |              log(STR_WARN_MSG,message + " : " + toString,t); | 
  | 193 |  |          } | 
  | 194 |  |      } | 
  | 195 |  |   | 
  | 196 |  |       | 
  | 197 |  |   | 
  | 198 |  |   | 
  | 199 |  |   | 
  | 200 |  |      public void error(Object pObject) | 
  | 201 |  |      { | 
  | 202 |  |          error(pObject, null); | 
  | 203 |  |      } | 
  | 204 |  |   | 
  | 205 |  |      public void error(Object message, Throwable t) | 
  | 206 |  |      { | 
  | 207 |  |          if (ERROR >= getLevel()) | 
  | 208 |  |          { | 
  | 209 |  |              log(STR_ERROR_MSG, message, t); | 
  | 210 |  |          } | 
  | 211 |  |      } | 
  | 212 |  |   | 
  | 213 |  |      public void safeError(String message,Object obj) | 
  | 214 |  |      { | 
  | 215 |  |          safeError(message,obj,null); | 
  | 216 |  |      } | 
  | 217 |  |   | 
  | 218 |  |      public void safeError(String message,Object obj,Throwable t) | 
  | 219 |  |      { | 
  | 220 |  |          if(ERROR >= getLevel()) | 
  | 221 |  |          { | 
  | 222 |  |              String toString = null; | 
  | 223 |  |              if(obj != null) | 
  | 224 |  |              { | 
  | 225 |  |                  try | 
  | 226 |  |                  { | 
  | 227 |  |                      toString = obj.toString(); | 
  | 228 |  |                  } | 
  | 229 |  |                  catch(Throwable throwable) | 
  | 230 |  |                  { | 
  | 231 |  |                      toString = "BAD toString() impl for "+obj.getClass().getName(); | 
  | 232 |  |                  } | 
  | 233 |  |              } | 
  | 234 |  |              log(STR_ERROR_MSG,message + " : " + toString,t); | 
  | 235 |  |          } | 
  | 236 |  |      } | 
  | 237 |  |   | 
  | 238 |  |       | 
  | 239 |  |   | 
  | 240 |  |   | 
  | 241 |  |   | 
  | 242 |  |      public void fatal(Object pObject) | 
  | 243 |  |      { | 
  | 244 |  |          fatal(pObject, null); | 
  | 245 |  |      } | 
  | 246 |  |   | 
  | 247 |  |      public void fatal(Object message, Throwable t) | 
  | 248 |  |      { | 
  | 249 |  |          if (FATAL >= getLevel()) | 
  | 250 |  |          { | 
  | 251 |  |              log(STR_FATAL_MSG, message, t); | 
  | 252 |  |          } | 
  | 253 |  |      } | 
  | 254 |  |   | 
  | 255 |  |      public void safeFatal(String message,Object obj) | 
  | 256 |  |      { | 
  | 257 |  |          safeFatal(message,obj,null); | 
  | 258 |  |      } | 
  | 259 |  |   | 
  | 260 |  |      public void safeFatal(String message,Object obj,Throwable t) | 
  | 261 |  |      { | 
  | 262 |  |          if(FATAL >= getLevel()) | 
  | 263 |  |          { | 
  | 264 |  |              String toString = null; | 
  | 265 |  |              if(obj != null) | 
  | 266 |  |              { | 
  | 267 |  |                  try | 
  | 268 |  |                  { | 
  | 269 |  |                      toString = obj.toString(); | 
  | 270 |  |                  } | 
  | 271 |  |                  catch(Throwable throwable) | 
  | 272 |  |                  { | 
  | 273 |  |                      toString = "BAD toString() impl for "+obj.getClass().getName(); | 
  | 274 |  |                  } | 
  | 275 |  |              } | 
  | 276 |  |              log(STR_FATAL_MSG,message + " : " + toString,t); | 
  | 277 |  |          } | 
  | 278 |  |      } | 
  | 279 |  |   | 
  | 280 |  |   | 
  | 281 |  |      public boolean isDebugEnabled() | 
  | 282 |  |      { | 
  | 283 |  |          return isEnabledFor(DEBUG); | 
  | 284 |  |      } | 
  | 285 |  |   | 
  | 286 |  |      public boolean isEnabledFor(int priority) | 
  | 287 |  |      { | 
  | 288 |  |          return priority >= getLevel(); | 
  | 289 |  |      } | 
  | 290 |  |   | 
  | 291 |  |      protected void log(String aLevel, Object obj, Throwable t) | 
  | 292 |  |      { | 
  | 293 |  |          System.out.print(BRAKE_OPEN + name + BRAKE_CLOSE + aLevel); | 
  | 294 |  |          if (obj != null && obj instanceof Throwable) | 
  | 295 |  |          { | 
  | 296 |  |              try | 
  | 297 |  |              { | 
  | 298 |  |                  System.out.println(((Throwable) obj).getMessage()); | 
  | 299 |  |                  ((Throwable) obj).printStackTrace(); | 
  | 300 |  |              } | 
  | 301 |  |              catch (Throwable ignored) | 
  | 302 |  |              { | 
  | 303 |  |                   | 
  | 304 |  |              } | 
  | 305 |  |          } | 
  | 306 |  |          else | 
  | 307 |  |          { | 
  | 308 |  |              System.out.println(obj); | 
  | 309 |  |          } | 
  | 310 |  |   | 
  | 311 |  |          if (t != null) | 
  | 312 |  |          { | 
  | 313 |  |              try | 
  | 314 |  |              { | 
  | 315 |  |                  System.out.println(t.getMessage()); | 
  | 316 |  |                  t.printStackTrace(); | 
  | 317 |  |              } | 
  | 318 |  |              catch (Throwable ignored) | 
  | 319 |  |              { | 
  | 320 |  |                   | 
  | 321 |  |              } | 
  | 322 |  |          } | 
  | 323 |  |      } | 
  | 324 |  |   | 
  | 325 |  |       | 
  | 326 |  |   | 
  | 327 |  |   | 
  | 328 |  |      public void configure(Configuration config) throws ConfigurationException | 
  | 329 |  |      { | 
  | 330 |  |          LoggingConfiguration lc = (LoggingConfiguration) config; | 
  | 331 |  |          String levelName = lc.getLogLevel(name); | 
  | 332 |  |          setLevel(levelName); | 
  | 333 |  |      } | 
  | 334 |  |   | 
  | 335 |  |          public void setLevel(String levelName) | 
  | 336 |  |          { | 
  | 337 |  |                  if (levelName.equalsIgnoreCase(STR_DEBUG)) | 
  | 338 |  |                  { | 
  | 339 |  |                      level = DEBUG; | 
  | 340 |  |                  } | 
  | 341 |  |                  else if (levelName.equalsIgnoreCase(STR_INFO)) | 
  | 342 |  |                  { | 
  | 343 |  |                      level = INFO; | 
  | 344 |  |                  } | 
  | 345 |  |                  else if (levelName.equalsIgnoreCase(STR_WARN)) | 
  | 346 |  |                  { | 
  | 347 |  |                      level = WARN; | 
  | 348 |  |                  } | 
  | 349 |  |                  else if (levelName.equalsIgnoreCase(STR_ERROR)) | 
  | 350 |  |                  { | 
  | 351 |  |                      level = ERROR; | 
  | 352 |  |                  } | 
  | 353 |  |                  else if (levelName.equalsIgnoreCase(STR_FATAL)) | 
  | 354 |  |                  { | 
  | 355 |  |                      level = FATAL; | 
  | 356 |  |                  } | 
  | 357 |  |                  else | 
  | 358 |  |                  { | 
  | 359 |  |                      level = WARN; | 
  | 360 |  |                  } | 
  | 361 |  |          } | 
  | 362 |  |  } |