| 1 | |
package org.apache.maven.shared.io.logging; |
| 2 | |
|
| 3 | |
import java.io.PrintWriter; |
| 4 | |
import java.io.StringWriter; |
| 5 | |
import java.util.ArrayList; |
| 6 | |
import java.util.Iterator; |
| 7 | |
import java.util.List; |
| 8 | |
|
| 9 | |
public class DefaultMessageHolder |
| 10 | |
implements MessageHolder |
| 11 | |
{ |
| 12 | |
|
| 13 | 50 | private List messages = new ArrayList(); |
| 14 | |
|
| 15 | |
private Message currentMessage; |
| 16 | |
|
| 17 | 50 | private int defaultMessageLevel = MessageLevels.LEVEL_INFO; |
| 18 | |
|
| 19 | |
private boolean[] messageLevelStates; |
| 20 | |
|
| 21 | |
private MessageSink onDemandSink; |
| 22 | |
|
| 23 | |
public DefaultMessageHolder() |
| 24 | 50 | { |
| 25 | 50 | this.messageLevelStates = MessageLevels.getLevelStates( MessageLevels.LEVEL_INFO ); |
| 26 | 50 | } |
| 27 | |
|
| 28 | |
public DefaultMessageHolder( int maxMessageLevel, int defaultMessageLevel ) |
| 29 | 0 | { |
| 30 | 0 | this.defaultMessageLevel = defaultMessageLevel; |
| 31 | 0 | this.messageLevelStates = MessageLevels.getLevelStates( maxMessageLevel ); |
| 32 | 0 | } |
| 33 | |
|
| 34 | |
public DefaultMessageHolder( int maxMessageLevel, int defaultMessageLevel, MessageSink onDemandSink ) |
| 35 | 0 | { |
| 36 | 0 | this.defaultMessageLevel = defaultMessageLevel; |
| 37 | 0 | this.onDemandSink = onDemandSink; |
| 38 | 0 | this.messageLevelStates = MessageLevels.getLevelStates( maxMessageLevel ); |
| 39 | 0 | } |
| 40 | |
|
| 41 | |
public MessageHolder addMessage( CharSequence messagePart, Throwable error ) |
| 42 | |
{ |
| 43 | 6 | return addMessage( defaultMessageLevel, messagePart, error ); |
| 44 | |
} |
| 45 | |
|
| 46 | |
protected MessageHolder addMessage( int level, CharSequence messagePart, Throwable error ) |
| 47 | |
{ |
| 48 | 6 | newMessage( level ); |
| 49 | 6 | append( messagePart.toString() ); |
| 50 | 6 | append( error ); |
| 51 | |
|
| 52 | 6 | return this; |
| 53 | |
} |
| 54 | |
|
| 55 | |
public MessageHolder addMessage( CharSequence messagePart ) |
| 56 | |
{ |
| 57 | 54 | return addMessage( defaultMessageLevel, messagePart ); |
| 58 | |
} |
| 59 | |
|
| 60 | |
protected MessageHolder addMessage( int level, CharSequence messagePart ) |
| 61 | |
{ |
| 62 | 54 | newMessage( level ); |
| 63 | 54 | append( messagePart.toString() ); |
| 64 | |
|
| 65 | 54 | return this; |
| 66 | |
} |
| 67 | |
|
| 68 | |
public MessageHolder addMessage( Throwable error ) |
| 69 | |
{ |
| 70 | 1 | return addMessage( defaultMessageLevel, error ); |
| 71 | |
} |
| 72 | |
|
| 73 | |
protected MessageHolder addMessage( int level, Throwable error ) |
| 74 | |
{ |
| 75 | 1 | newMessage( level ); |
| 76 | 1 | append( error ); |
| 77 | |
|
| 78 | 1 | return this; |
| 79 | |
} |
| 80 | |
|
| 81 | |
public MessageHolder append( CharSequence messagePart ) |
| 82 | |
{ |
| 83 | 69 | if ( currentMessage == null ) |
| 84 | |
{ |
| 85 | 1 | newMessage(); |
| 86 | |
} |
| 87 | |
|
| 88 | 69 | currentMessage.append( messagePart.toString() ); |
| 89 | |
|
| 90 | 69 | return this; |
| 91 | |
} |
| 92 | |
|
| 93 | |
public MessageHolder append( Throwable error ) |
| 94 | |
{ |
| 95 | 9 | if ( currentMessage == null ) |
| 96 | |
{ |
| 97 | 1 | newMessage(); |
| 98 | |
} |
| 99 | |
|
| 100 | 9 | currentMessage.setError( error ); |
| 101 | |
|
| 102 | 9 | return this; |
| 103 | |
} |
| 104 | |
|
| 105 | |
public boolean isEmpty() |
| 106 | |
{ |
| 107 | 3 | return messages.isEmpty(); |
| 108 | |
} |
| 109 | |
|
| 110 | |
public MessageHolder newMessage() |
| 111 | |
{ |
| 112 | 9 | newMessage( defaultMessageLevel ); |
| 113 | |
|
| 114 | 9 | return this; |
| 115 | |
} |
| 116 | |
|
| 117 | |
protected void newMessage( int messageLevel ) |
| 118 | |
{ |
| 119 | 70 | if ( onDemandSink != null && currentMessage != null ) |
| 120 | |
{ |
| 121 | 0 | renderTo( currentMessage, onDemandSink ); |
| 122 | |
} |
| 123 | |
|
| 124 | 70 | currentMessage = new Message( messageLevel ); |
| 125 | 70 | messages.add( currentMessage ); |
| 126 | 70 | } |
| 127 | |
|
| 128 | |
public String render() |
| 129 | |
{ |
| 130 | 21 | StringBuffer buffer = new StringBuffer(); |
| 131 | |
|
| 132 | 21 | int counter = 1; |
| 133 | 21 | for ( Iterator it = messages.iterator(); it.hasNext(); ) |
| 134 | |
{ |
| 135 | 28 | Message message = (Message) it.next(); |
| 136 | |
|
| 137 | 28 | int ml = message.getMessageLevel(); |
| 138 | |
|
| 139 | 28 | if ( ml >= messageLevelStates.length || ml < 0 ) |
| 140 | |
{ |
| 141 | 0 | ml = MessageLevels.LEVEL_DEBUG; |
| 142 | |
} |
| 143 | |
|
| 144 | 28 | if ( !messageLevelStates[ml] ) |
| 145 | |
{ |
| 146 | 0 | continue; |
| 147 | |
} |
| 148 | |
|
| 149 | 28 | CharSequence content = message.render(); |
| 150 | 28 | String label = MessageLevels.getLevelLabel( message.getMessageLevel() ); |
| 151 | |
|
| 152 | 28 | if ( content.length() > label.length() + 3 ) |
| 153 | |
{ |
| 154 | 27 | buffer.append( '[' ).append( counter++ ).append( "] " ); |
| 155 | 27 | buffer.append( content.toString() ); |
| 156 | |
|
| 157 | 27 | if ( it.hasNext() ) |
| 158 | |
{ |
| 159 | 7 | buffer.append( "\n\n" ); |
| 160 | |
} |
| 161 | |
} |
| 162 | |
} |
| 163 | |
|
| 164 | 21 | return buffer.toString(); |
| 165 | |
} |
| 166 | |
|
| 167 | |
public int size() |
| 168 | |
{ |
| 169 | 35 | return messages.size(); |
| 170 | |
} |
| 171 | |
|
| 172 | |
private static final class Message |
| 173 | |
{ |
| 174 | 70 | private StringBuffer message = new StringBuffer(); |
| 175 | |
|
| 176 | |
private Throwable error; |
| 177 | |
|
| 178 | |
private final int messageLevel; |
| 179 | |
|
| 180 | |
public Message( int messageLevel ) |
| 181 | 70 | { |
| 182 | 70 | this.messageLevel = messageLevel; |
| 183 | 70 | } |
| 184 | |
|
| 185 | |
public Message setError( Throwable error ) |
| 186 | |
{ |
| 187 | 9 | this.error = error; |
| 188 | 9 | return this; |
| 189 | |
} |
| 190 | |
|
| 191 | |
public Message append( CharSequence message ) |
| 192 | |
{ |
| 193 | 69 | this.message.append( message.toString() ); |
| 194 | 69 | return this; |
| 195 | |
} |
| 196 | |
|
| 197 | |
public int getMessageLevel() |
| 198 | |
{ |
| 199 | 56 | return messageLevel; |
| 200 | |
} |
| 201 | |
|
| 202 | |
public CharSequence render() |
| 203 | |
{ |
| 204 | 28 | StringBuffer buffer = new StringBuffer(); |
| 205 | |
|
| 206 | 28 | buffer.append( '[' ).append( MessageLevels.getLevelLabel( messageLevel ) ).append( "] " ); |
| 207 | |
|
| 208 | 28 | if ( message != null && message.length() > 0 ) |
| 209 | |
{ |
| 210 | 25 | buffer.append( message ); |
| 211 | |
|
| 212 | 25 | if ( error != null ) |
| 213 | |
{ |
| 214 | 8 | buffer.append( '\n' ); |
| 215 | |
} |
| 216 | |
} |
| 217 | |
|
| 218 | 28 | if ( error != null ) |
| 219 | |
{ |
| 220 | 10 | buffer.append( "Error:\n" ); |
| 221 | |
|
| 222 | 10 | StringWriter sw = new StringWriter(); |
| 223 | 10 | PrintWriter pw = new PrintWriter( sw ); |
| 224 | 10 | error.printStackTrace( pw ); |
| 225 | |
|
| 226 | 10 | buffer.append( sw.toString() ); |
| 227 | |
} |
| 228 | |
|
| 229 | 28 | return buffer; |
| 230 | |
} |
| 231 | |
} |
| 232 | |
|
| 233 | |
public MessageHolder addDebugMessage( CharSequence messagePart, Throwable error ) |
| 234 | |
{ |
| 235 | 0 | return addMessage( MessageLevels.LEVEL_DEBUG, messagePart, error ); |
| 236 | |
} |
| 237 | |
|
| 238 | |
public MessageHolder addDebugMessage( CharSequence messagePart ) |
| 239 | |
{ |
| 240 | 0 | return addMessage( MessageLevels.LEVEL_DEBUG, messagePart ); |
| 241 | |
} |
| 242 | |
|
| 243 | |
public MessageHolder addDebugMessage( Throwable error ) |
| 244 | |
{ |
| 245 | 0 | return addMessage( MessageLevels.LEVEL_DEBUG, error ); |
| 246 | |
} |
| 247 | |
|
| 248 | |
public MessageHolder addErrorMessage( CharSequence messagePart, Throwable error ) |
| 249 | |
{ |
| 250 | 0 | return addMessage( MessageLevels.LEVEL_ERROR, messagePart, error ); |
| 251 | |
} |
| 252 | |
|
| 253 | |
public MessageHolder addErrorMessage( CharSequence messagePart ) |
| 254 | |
{ |
| 255 | 0 | return addMessage( MessageLevels.LEVEL_ERROR, messagePart ); |
| 256 | |
} |
| 257 | |
|
| 258 | |
public MessageHolder addErrorMessage( Throwable error ) |
| 259 | |
{ |
| 260 | 0 | return addMessage( MessageLevels.LEVEL_ERROR, error ); |
| 261 | |
} |
| 262 | |
|
| 263 | |
public MessageHolder addInfoMessage( CharSequence messagePart, Throwable error ) |
| 264 | |
{ |
| 265 | 0 | return addMessage( MessageLevels.LEVEL_INFO, messagePart, error ); |
| 266 | |
} |
| 267 | |
|
| 268 | |
public MessageHolder addInfoMessage( CharSequence messagePart ) |
| 269 | |
{ |
| 270 | 0 | return addMessage( MessageLevels.LEVEL_INFO, messagePart ); |
| 271 | |
} |
| 272 | |
|
| 273 | |
public MessageHolder addInfoMessage( Throwable error ) |
| 274 | |
{ |
| 275 | 0 | return addMessage( MessageLevels.LEVEL_INFO, error ); |
| 276 | |
} |
| 277 | |
|
| 278 | |
public MessageHolder addSevereMessage( CharSequence messagePart, Throwable error ) |
| 279 | |
{ |
| 280 | 0 | return addMessage( MessageLevels.LEVEL_SEVERE, messagePart, error ); |
| 281 | |
} |
| 282 | |
|
| 283 | |
public MessageHolder addSevereMessage( CharSequence messagePart ) |
| 284 | |
{ |
| 285 | 0 | return addMessage( MessageLevels.LEVEL_SEVERE, messagePart ); |
| 286 | |
} |
| 287 | |
|
| 288 | |
public MessageHolder addSevereMessage( Throwable error ) |
| 289 | |
{ |
| 290 | 0 | return addMessage( MessageLevels.LEVEL_SEVERE, error ); |
| 291 | |
} |
| 292 | |
|
| 293 | |
public MessageHolder addWarningMessage( CharSequence messagePart, Throwable error ) |
| 294 | |
{ |
| 295 | 0 | return addMessage( MessageLevels.LEVEL_WARNING, messagePart, error ); |
| 296 | |
} |
| 297 | |
|
| 298 | |
public MessageHolder addWarningMessage( CharSequence messagePart ) |
| 299 | |
{ |
| 300 | 0 | return addMessage( MessageLevels.LEVEL_WARNING, messagePart ); |
| 301 | |
} |
| 302 | |
|
| 303 | |
public MessageHolder addWarningMessage( Throwable error ) |
| 304 | |
{ |
| 305 | 0 | return addMessage( MessageLevels.LEVEL_WARNING, error ); |
| 306 | |
} |
| 307 | |
|
| 308 | |
public int countDebugMessages() |
| 309 | |
{ |
| 310 | 0 | return countMessagesOfType( MessageLevels.LEVEL_DEBUG ); |
| 311 | |
} |
| 312 | |
|
| 313 | |
public int countErrorMessages() |
| 314 | |
{ |
| 315 | 0 | return countMessagesOfType( MessageLevels.LEVEL_ERROR ); |
| 316 | |
} |
| 317 | |
|
| 318 | |
public int countInfoMessages() |
| 319 | |
{ |
| 320 | 0 | return countMessagesOfType( MessageLevels.LEVEL_INFO ); |
| 321 | |
} |
| 322 | |
|
| 323 | |
public int countMessages() |
| 324 | |
{ |
| 325 | 0 | return size(); |
| 326 | |
} |
| 327 | |
|
| 328 | |
public int countSevereMessages() |
| 329 | |
{ |
| 330 | 0 | return countMessagesOfType( MessageLevels.LEVEL_SEVERE ); |
| 331 | |
} |
| 332 | |
|
| 333 | |
public int countWarningMessages() |
| 334 | |
{ |
| 335 | 0 | return countMessagesOfType( MessageLevels.LEVEL_WARNING ); |
| 336 | |
} |
| 337 | |
|
| 338 | |
private int countMessagesOfType( int messageLevel ) |
| 339 | |
{ |
| 340 | 0 | int count = 0; |
| 341 | |
|
| 342 | 0 | for ( Iterator it = messages.iterator(); it.hasNext(); ) |
| 343 | |
{ |
| 344 | 0 | Message message = (Message) it.next(); |
| 345 | 0 | if ( messageLevel == message.getMessageLevel() ) |
| 346 | |
{ |
| 347 | 0 | count++; |
| 348 | |
} |
| 349 | |
} |
| 350 | |
|
| 351 | 0 | return count; |
| 352 | |
} |
| 353 | |
|
| 354 | |
public boolean isDebugEnabled() |
| 355 | |
{ |
| 356 | 0 | return messageLevelStates[MessageLevels.LEVEL_DEBUG]; |
| 357 | |
} |
| 358 | |
|
| 359 | |
public boolean isErrorEnabled() |
| 360 | |
{ |
| 361 | 0 | return messageLevelStates[MessageLevels.LEVEL_ERROR]; |
| 362 | |
} |
| 363 | |
|
| 364 | |
public boolean isInfoEnabled() |
| 365 | |
{ |
| 366 | 0 | return messageLevelStates[MessageLevels.LEVEL_INFO]; |
| 367 | |
} |
| 368 | |
|
| 369 | |
public boolean isSevereEnabled() |
| 370 | |
{ |
| 371 | 0 | return messageLevelStates[MessageLevels.LEVEL_SEVERE]; |
| 372 | |
} |
| 373 | |
|
| 374 | |
public boolean isWarningEnabled() |
| 375 | |
{ |
| 376 | 0 | return messageLevelStates[MessageLevels.LEVEL_WARNING]; |
| 377 | |
} |
| 378 | |
|
| 379 | |
public MessageHolder newDebugMessage() |
| 380 | |
{ |
| 381 | 0 | if ( isDebugEnabled() ) |
| 382 | |
{ |
| 383 | 0 | newMessage( MessageLevels.LEVEL_DEBUG ); |
| 384 | |
} |
| 385 | |
|
| 386 | 0 | return this; |
| 387 | |
} |
| 388 | |
|
| 389 | |
public MessageHolder newErrorMessage() |
| 390 | |
{ |
| 391 | 0 | if ( isErrorEnabled() ) |
| 392 | |
{ |
| 393 | 0 | newMessage( MessageLevels.LEVEL_ERROR ); |
| 394 | |
} |
| 395 | |
|
| 396 | 0 | return this; |
| 397 | |
} |
| 398 | |
|
| 399 | |
public MessageHolder newInfoMessage() |
| 400 | |
{ |
| 401 | 0 | if ( isInfoEnabled() ) |
| 402 | |
{ |
| 403 | 0 | newMessage( MessageLevels.LEVEL_INFO ); |
| 404 | |
} |
| 405 | |
|
| 406 | 0 | return this; |
| 407 | |
} |
| 408 | |
|
| 409 | |
public MessageHolder newSevereMessage() |
| 410 | |
{ |
| 411 | 0 | if ( isSevereEnabled() ) |
| 412 | |
{ |
| 413 | 0 | newMessage( MessageLevels.LEVEL_SEVERE ); |
| 414 | |
} |
| 415 | |
|
| 416 | 0 | return this; |
| 417 | |
} |
| 418 | |
|
| 419 | |
public MessageHolder newWarningMessage() |
| 420 | |
{ |
| 421 | 0 | if ( isWarningEnabled() ) |
| 422 | |
{ |
| 423 | 0 | newMessage( MessageLevels.LEVEL_WARNING ); |
| 424 | |
} |
| 425 | |
|
| 426 | 0 | return this; |
| 427 | |
} |
| 428 | |
|
| 429 | |
public void setDebugEnabled( boolean enabled ) |
| 430 | |
{ |
| 431 | 0 | messageLevelStates[MessageLevels.LEVEL_DEBUG] = enabled; |
| 432 | 0 | } |
| 433 | |
|
| 434 | |
public void setErrorEnabled( boolean enabled ) |
| 435 | |
{ |
| 436 | 0 | messageLevelStates[MessageLevels.LEVEL_ERROR] = enabled; |
| 437 | 0 | } |
| 438 | |
|
| 439 | |
public void setInfoEnabled( boolean enabled ) |
| 440 | |
{ |
| 441 | 0 | messageLevelStates[MessageLevels.LEVEL_INFO] = enabled; |
| 442 | 0 | } |
| 443 | |
|
| 444 | |
public void setSevereEnabled( boolean enabled ) |
| 445 | |
{ |
| 446 | 0 | messageLevelStates[MessageLevels.LEVEL_SEVERE] = enabled; |
| 447 | 0 | } |
| 448 | |
|
| 449 | |
public void setWarningEnabled( boolean enabled ) |
| 450 | |
{ |
| 451 | 0 | messageLevelStates[MessageLevels.LEVEL_WARNING] = enabled; |
| 452 | 0 | } |
| 453 | |
|
| 454 | |
public void flush() |
| 455 | |
{ |
| 456 | 0 | if ( onDemandSink != null && currentMessage != null ) |
| 457 | |
{ |
| 458 | 0 | renderTo( currentMessage, onDemandSink ); |
| 459 | 0 | currentMessage = null; |
| 460 | |
} |
| 461 | 0 | } |
| 462 | |
|
| 463 | |
public void render( MessageSink sink ) |
| 464 | |
{ |
| 465 | 0 | for ( Iterator it = messages.iterator(); it.hasNext(); ) |
| 466 | |
{ |
| 467 | 0 | Message message = (Message) it.next(); |
| 468 | |
|
| 469 | 0 | renderTo( message, sink ); |
| 470 | |
} |
| 471 | 0 | } |
| 472 | |
|
| 473 | |
protected void renderTo( Message message, MessageSink sink ) |
| 474 | |
{ |
| 475 | 0 | switch( message.getMessageLevel() ) |
| 476 | |
{ |
| 477 | |
case( MessageLevels.LEVEL_SEVERE ): |
| 478 | |
{ |
| 479 | 0 | sink.severe( message.render().toString() ); |
| 480 | 0 | break; |
| 481 | |
} |
| 482 | |
case( MessageLevels.LEVEL_ERROR ): |
| 483 | |
{ |
| 484 | 0 | sink.error( message.render().toString() ); |
| 485 | 0 | break; |
| 486 | |
} |
| 487 | |
case( MessageLevels.LEVEL_WARNING ): |
| 488 | |
{ |
| 489 | 0 | sink.warning( message.render().toString() ); |
| 490 | 0 | break; |
| 491 | |
} |
| 492 | |
case( MessageLevels.LEVEL_INFO ): |
| 493 | |
{ |
| 494 | 0 | sink.info( message.render().toString() ); |
| 495 | 0 | break; |
| 496 | |
} |
| 497 | |
default: |
| 498 | |
{ |
| 499 | 0 | sink.debug( message.render().toString() ); |
| 500 | |
break; |
| 501 | |
} |
| 502 | |
} |
| 503 | 0 | } |
| 504 | |
|
| 505 | |
} |