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8Uses of Package org.apache.log4j.spi (Apache Log4j 1.2.16 API)
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41 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD>
42 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD>
43 <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <FONT CLASS="NavBarFont1">Class</FONT> </TD>
44 <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Use</B></FONT> </TD>
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84<H2>
85<B>Uses of Package<br>org.apache.log4j.spi</B></H2>
86</CENTER>
87
88<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
89<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
90<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
91Packages that use <A HREF="../../../../org/apache/log4j/spi/package-summary.html">org.apache.log4j.spi</A></FONT></TH>
92</TR>
93<TR BGCOLOR="white" CLASS="TableRowColor">
94<TD><A HREF="#org.apache.log4j"><B>org.apache.log4j</B></A></TD>
95<TD>The main log4j package. </TD>
96</TR>
97<TR BGCOLOR="white" CLASS="TableRowColor">
98<TD><A HREF="#org.apache.log4j.helpers"><B>org.apache.log4j.helpers</B></A></TD>
99<TD>This package is used internally. </TD>
100</TR>
101<TR BGCOLOR="white" CLASS="TableRowColor">
102<TD><A HREF="#org.apache.log4j.jdbc"><B>org.apache.log4j.jdbc</B></A></TD>
103<TD>The JDBCAppender provides for sending log events to a database. </TD>
104</TR>
105<TR BGCOLOR="white" CLASS="TableRowColor">
106<TD><A HREF="#org.apache.log4j.jmx"><B>org.apache.log4j.jmx</B></A></TD>
107<TD>This package lets you manage log4j settings using JMX. </TD>
108</TR>
109<TR BGCOLOR="white" CLASS="TableRowColor">
110<TD><A HREF="#org.apache.log4j.lf5"><B>org.apache.log4j.lf5</B></A></TD>
111<TD> </TD>
112</TR>
113<TR BGCOLOR="white" CLASS="TableRowColor">
114<TD><A HREF="#org.apache.log4j.net"><B>org.apache.log4j.net</B></A></TD>
115<TD>Package for remote logging. </TD>
116</TR>
117<TR BGCOLOR="white" CLASS="TableRowColor">
118<TD><A HREF="#org.apache.log4j.nt"><B>org.apache.log4j.nt</B></A></TD>
119<TD>Package for NT event logging. </TD>
120</TR>
121<TR BGCOLOR="white" CLASS="TableRowColor">
122<TD><A HREF="#org.apache.log4j.or"><B>org.apache.log4j.or</B></A></TD>
123<TD>ObjectRenders are resposible for rendering messages depending on
124their class type. </TD>
125</TR>
126<TR BGCOLOR="white" CLASS="TableRowColor">
127<TD><A HREF="#org.apache.log4j.pattern"><B>org.apache.log4j.pattern</B></A></TD>
128<TD>Provides classes implementing format specifiers in conversion patterns. </TD>
129</TR>
130<TR BGCOLOR="white" CLASS="TableRowColor">
131<TD><A HREF="#org.apache.log4j.spi"><B>org.apache.log4j.spi</B></A></TD>
132<TD>Contains part of the System Programming Interface (SPI) needed to
133extend log4j. </TD>
134</TR>
135<TR BGCOLOR="white" CLASS="TableRowColor">
136<TD><A HREF="#org.apache.log4j.varia"><B>org.apache.log4j.varia</B></A></TD>
137<TD>Contains various appenders, filters and other odds and ends. </TD>
138</TR>
139<TR BGCOLOR="white" CLASS="TableRowColor">
140<TD><A HREF="#org.apache.log4j.xml"><B>org.apache.log4j.xml</B></A></TD>
141<TD>XML based components. </TD>
142</TR>
143</TABLE>
144
145<P>
146<A NAME="org.apache.log4j"><!-- --></A>
147<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
148<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
149<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
150Classes in <A HREF="../../../../org/apache/log4j/spi/package-summary.html">org.apache.log4j.spi</A> used by <A HREF="../../../../org/apache/log4j/package-summary.html">org.apache.log4j</A></FONT></TH>
151</TR>
152<TR BGCOLOR="white" CLASS="TableRowColor">
153<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/AppenderAttachable.html#org.apache.log4j"><B>AppenderAttachable</B></A></B>
154
155<BR>
156 Interface for attaching appenders to objects.</TD>
157</TR>
158<TR BGCOLOR="white" CLASS="TableRowColor">
159<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/Configurator.html#org.apache.log4j"><B>Configurator</B></A></B>
160
161<BR>
162 Implemented by classes capable of configuring log4j using a URL.</TD>
163</TR>
164<TR BGCOLOR="white" CLASS="TableRowColor">
165<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/ErrorHandler.html#org.apache.log4j"><B>ErrorHandler</B></A></B>
166
167<BR>
168 Appenders may delegate their error handling to
169 <code>ErrorHandlers</code>.</TD>
170</TR>
171<TR BGCOLOR="white" CLASS="TableRowColor">
172<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/Filter.html#org.apache.log4j"><B>Filter</B></A></B>
173
174<BR>
175 Users should extend this class to implement customized logging
176 event filtering.</TD>
177</TR>
178<TR BGCOLOR="white" CLASS="TableRowColor">
179<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/HierarchyEventListener.html#org.apache.log4j"><B>HierarchyEventListener</B></A></B>
180
181<BR>
182 Listen to events occuring within a <A HREF="../../../../org/apache/log4j/Hierarchy.html" title="class in org.apache.log4j"><CODE>Hierarchy</CODE></A>.</TD>
183</TR>
184<TR BGCOLOR="white" CLASS="TableRowColor">
185<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/LoggerFactory.html#org.apache.log4j"><B>LoggerFactory</B></A></B>
186
187<BR>
188 Implement this interface to create new instances of Logger or
189 a sub-class of Logger.</TD>
190</TR>
191<TR BGCOLOR="white" CLASS="TableRowColor">
192<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/LoggerRepository.html#org.apache.log4j"><B>LoggerRepository</B></A></B>
193
194<BR>
195 A <code>LoggerRepository</code> is used to create and retrieve
196 <code>Loggers</code>.</TD>
197</TR>
198<TR BGCOLOR="white" CLASS="TableRowColor">
199<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/LoggingEvent.html#org.apache.log4j"><B>LoggingEvent</B></A></B>
200
201<BR>
202 The internal representation of logging events.</TD>
203</TR>
204<TR BGCOLOR="white" CLASS="TableRowColor">
205<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/OptionHandler.html#org.apache.log4j"><B>OptionHandler</B></A></B>
206
207<BR>
208 A string based interface to configure package components.</TD>
209</TR>
210<TR BGCOLOR="white" CLASS="TableRowColor">
211<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/RendererSupport.html#org.apache.log4j"><B>RendererSupport</B></A></B>
212
213<BR>
214 </TD>
215</TR>
216<TR BGCOLOR="white" CLASS="TableRowColor">
217<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/RepositorySelector.html#org.apache.log4j"><B>RepositorySelector</B></A></B>
218
219<BR>
220 The <code>LogManager</code> uses one (and only one)
221 <code>RepositorySelector</code> implementation to select the
222 <A HREF="../../../../org/apache/log4j/spi/LoggerRepository.html" title="interface in org.apache.log4j.spi"><CODE>LoggerRepository</CODE></A> for a particular application context.</TD>
223</TR>
224<TR BGCOLOR="white" CLASS="TableRowColor">
225<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/ThrowableRenderer.html#org.apache.log4j"><B>ThrowableRenderer</B></A></B>
226
227<BR>
228 Implemented by classes that render instances of
229 java.lang.Throwable (exceptions and errors)
230 into a string representation.</TD>
231</TR>
232<TR BGCOLOR="white" CLASS="TableRowColor">
233<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/ThrowableRendererSupport.html#org.apache.log4j"><B>ThrowableRendererSupport</B></A></B>
234
235<BR>
236 Implemented by logger repositories that support configurable
237 rendering of Throwables.</TD>
238</TR>
239</TABLE>
240
241<P>
242<A NAME="org.apache.log4j.helpers"><!-- --></A>
243<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
244<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
245<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
246Classes in <A HREF="../../../../org/apache/log4j/spi/package-summary.html">org.apache.log4j.spi</A> used by <A HREF="../../../../org/apache/log4j/helpers/package-summary.html">org.apache.log4j.helpers</A></FONT></TH>
247</TR>
248<TR BGCOLOR="white" CLASS="TableRowColor">
249<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/AppenderAttachable.html#org.apache.log4j.helpers"><B>AppenderAttachable</B></A></B>
250
251<BR>
252 Interface for attaching appenders to objects.</TD>
253</TR>
254<TR BGCOLOR="white" CLASS="TableRowColor">
255<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/ErrorHandler.html#org.apache.log4j.helpers"><B>ErrorHandler</B></A></B>
256
257<BR>
258 Appenders may delegate their error handling to
259 <code>ErrorHandlers</code>.</TD>
260</TR>
261<TR BGCOLOR="white" CLASS="TableRowColor">
262<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/LoggerRepository.html#org.apache.log4j.helpers"><B>LoggerRepository</B></A></B>
263
264<BR>
265 A <code>LoggerRepository</code> is used to create and retrieve
266 <code>Loggers</code>.</TD>
267</TR>
268<TR BGCOLOR="white" CLASS="TableRowColor">
269<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/LoggingEvent.html#org.apache.log4j.helpers"><B>LoggingEvent</B></A></B>
270
271<BR>
272 The internal representation of logging events.</TD>
273</TR>
274<TR BGCOLOR="white" CLASS="TableRowColor">
275<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/OptionHandler.html#org.apache.log4j.helpers"><B>OptionHandler</B></A></B>
276
277<BR>
278 A string based interface to configure package components.</TD>
279</TR>
280</TABLE>
281
282<P>
283<A NAME="org.apache.log4j.jdbc"><!-- --></A>
284<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
285<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
286<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
287Classes in <A HREF="../../../../org/apache/log4j/spi/package-summary.html">org.apache.log4j.spi</A> used by <A HREF="../../../../org/apache/log4j/jdbc/package-summary.html">org.apache.log4j.jdbc</A></FONT></TH>
288</TR>
289<TR BGCOLOR="white" CLASS="TableRowColor">
290<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/LoggingEvent.html#org.apache.log4j.jdbc"><B>LoggingEvent</B></A></B>
291
292<BR>
293 The internal representation of logging events.</TD>
294</TR>
295<TR BGCOLOR="white" CLASS="TableRowColor">
296<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/OptionHandler.html#org.apache.log4j.jdbc"><B>OptionHandler</B></A></B>
297
298<BR>
299 A string based interface to configure package components.</TD>
300</TR>
301</TABLE>
302
303<P>
304<A NAME="org.apache.log4j.jmx"><!-- --></A>
305<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
306<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
307<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
308Classes in <A HREF="../../../../org/apache/log4j/spi/package-summary.html">org.apache.log4j.spi</A> used by <A HREF="../../../../org/apache/log4j/jmx/package-summary.html">org.apache.log4j.jmx</A></FONT></TH>
309</TR>
310<TR BGCOLOR="white" CLASS="TableRowColor">
311<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/HierarchyEventListener.html#org.apache.log4j.jmx"><B>HierarchyEventListener</B></A></B>
312
313<BR>
314 Listen to events occuring within a <A HREF="../../../../org/apache/log4j/Hierarchy.html" title="class in org.apache.log4j"><CODE>Hierarchy</CODE></A>.</TD>
315</TR>
316</TABLE>
317
318<P>
319<A NAME="org.apache.log4j.lf5"><!-- --></A>
320<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
321<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
322<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
323Classes in <A HREF="../../../../org/apache/log4j/spi/package-summary.html">org.apache.log4j.spi</A> used by <A HREF="../../../../org/apache/log4j/lf5/package-summary.html">org.apache.log4j.lf5</A></FONT></TH>
324</TR>
325<TR BGCOLOR="white" CLASS="TableRowColor">
326<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/Configurator.html#org.apache.log4j.lf5"><B>Configurator</B></A></B>
327
328<BR>
329 Implemented by classes capable of configuring log4j using a URL.</TD>
330</TR>
331<TR BGCOLOR="white" CLASS="TableRowColor">
332<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/LoggerRepository.html#org.apache.log4j.lf5"><B>LoggerRepository</B></A></B>
333
334<BR>
335 A <code>LoggerRepository</code> is used to create and retrieve
336 <code>Loggers</code>.</TD>
337</TR>
338<TR BGCOLOR="white" CLASS="TableRowColor">
339<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/LoggingEvent.html#org.apache.log4j.lf5"><B>LoggingEvent</B></A></B>
340
341<BR>
342 The internal representation of logging events.</TD>
343</TR>
344<TR BGCOLOR="white" CLASS="TableRowColor">
345<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/OptionHandler.html#org.apache.log4j.lf5"><B>OptionHandler</B></A></B>
346
347<BR>
348 A string based interface to configure package components.</TD>
349</TR>
350<TR BGCOLOR="white" CLASS="TableRowColor">
351<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/ThrowableInformation.html#org.apache.log4j.lf5"><B>ThrowableInformation</B></A></B>
352
353<BR>
354 ThrowableInformation is log4j's internal representation of
355 throwables.</TD>
356</TR>
357</TABLE>
358
359<P>
360<A NAME="org.apache.log4j.net"><!-- --></A>
361<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
362<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
363<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
364Classes in <A HREF="../../../../org/apache/log4j/spi/package-summary.html">org.apache.log4j.spi</A> used by <A HREF="../../../../org/apache/log4j/net/package-summary.html">org.apache.log4j.net</A></FONT></TH>
365</TR>
366<TR BGCOLOR="white" CLASS="TableRowColor">
367<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/LoggerRepository.html#org.apache.log4j.net"><B>LoggerRepository</B></A></B>
368
369<BR>
370 A <code>LoggerRepository</code> is used to create and retrieve
371 <code>Loggers</code>.</TD>
372</TR>
373<TR BGCOLOR="white" CLASS="TableRowColor">
374<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/LoggingEvent.html#org.apache.log4j.net"><B>LoggingEvent</B></A></B>
375
376<BR>
377 The internal representation of logging events.</TD>
378</TR>
379<TR BGCOLOR="white" CLASS="TableRowColor">
380<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/OptionHandler.html#org.apache.log4j.net"><B>OptionHandler</B></A></B>
381
382<BR>
383 A string based interface to configure package components.</TD>
384</TR>
385<TR BGCOLOR="white" CLASS="TableRowColor">
386<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/TriggeringEventEvaluator.html#org.apache.log4j.net"><B>TriggeringEventEvaluator</B></A></B>
387
388<BR>
389 Implementions of this interface allow certain appenders to decide
390 when to perform an appender specific action.</TD>
391</TR>
392</TABLE>
393
394<P>
395<A NAME="org.apache.log4j.nt"><!-- --></A>
396<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
397<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
398<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
399Classes in <A HREF="../../../../org/apache/log4j/spi/package-summary.html">org.apache.log4j.spi</A> used by <A HREF="../../../../org/apache/log4j/nt/package-summary.html">org.apache.log4j.nt</A></FONT></TH>
400</TR>
401<TR BGCOLOR="white" CLASS="TableRowColor">
402<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/LoggingEvent.html#org.apache.log4j.nt"><B>LoggingEvent</B></A></B>
403
404<BR>
405 The internal representation of logging events.</TD>
406</TR>
407<TR BGCOLOR="white" CLASS="TableRowColor">
408<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/OptionHandler.html#org.apache.log4j.nt"><B>OptionHandler</B></A></B>
409
410<BR>
411 A string based interface to configure package components.</TD>
412</TR>
413</TABLE>
414
415<P>
416<A NAME="org.apache.log4j.or"><!-- --></A>
417<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
418<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
419<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
420Classes in <A HREF="../../../../org/apache/log4j/spi/package-summary.html">org.apache.log4j.spi</A> used by <A HREF="../../../../org/apache/log4j/or/package-summary.html">org.apache.log4j.or</A></FONT></TH>
421</TR>
422<TR BGCOLOR="white" CLASS="TableRowColor">
423<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/RendererSupport.html#org.apache.log4j.or"><B>RendererSupport</B></A></B>
424
425<BR>
426 </TD>
427</TR>
428</TABLE>
429
430<P>
431<A NAME="org.apache.log4j.pattern"><!-- --></A>
432<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
433<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
434<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
435Classes in <A HREF="../../../../org/apache/log4j/spi/package-summary.html">org.apache.log4j.spi</A> used by <A HREF="../../../../org/apache/log4j/pattern/package-summary.html">org.apache.log4j.pattern</A></FONT></TH>
436</TR>
437<TR BGCOLOR="white" CLASS="TableRowColor">
438<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/LocationInfo.html#org.apache.log4j.pattern"><B>LocationInfo</B></A></B>
439
440<BR>
441 The internal representation of caller location information.</TD>
442</TR>
443<TR BGCOLOR="white" CLASS="TableRowColor">
444<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/LoggingEvent.html#org.apache.log4j.pattern"><B>LoggingEvent</B></A></B>
445
446<BR>
447 The internal representation of logging events.</TD>
448</TR>
449<TR BGCOLOR="white" CLASS="TableRowColor">
450<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/ThrowableInformation.html#org.apache.log4j.pattern"><B>ThrowableInformation</B></A></B>
451
452<BR>
453 ThrowableInformation is log4j's internal representation of
454 throwables.</TD>
455</TR>
456</TABLE>
457
458<P>
459<A NAME="org.apache.log4j.spi"><!-- --></A>
460<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
461<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
462<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
463Classes in <A HREF="../../../../org/apache/log4j/spi/package-summary.html">org.apache.log4j.spi</A> used by <A HREF="../../../../org/apache/log4j/spi/package-summary.html">org.apache.log4j.spi</A></FONT></TH>
464</TR>
465<TR BGCOLOR="white" CLASS="TableRowColor">
466<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/AppenderAttachable.html#org.apache.log4j.spi"><B>AppenderAttachable</B></A></B>
467
468<BR>
469 Interface for attaching appenders to objects.</TD>
470</TR>
471<TR BGCOLOR="white" CLASS="TableRowColor">
472<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/Filter.html#org.apache.log4j.spi"><B>Filter</B></A></B>
473
474<BR>
475 Users should extend this class to implement customized logging
476 event filtering.</TD>
477</TR>
478<TR BGCOLOR="white" CLASS="TableRowColor">
479<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/HierarchyEventListener.html#org.apache.log4j.spi"><B>HierarchyEventListener</B></A></B>
480
481<BR>
482 Listen to events occuring within a <A HREF="../../../../org/apache/log4j/Hierarchy.html" title="class in org.apache.log4j"><CODE>Hierarchy</CODE></A>.</TD>
483</TR>
484<TR BGCOLOR="white" CLASS="TableRowColor">
485<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/LocationInfo.html#org.apache.log4j.spi"><B>LocationInfo</B></A></B>
486
487<BR>
488 The internal representation of caller location information.</TD>
489</TR>
490<TR BGCOLOR="white" CLASS="TableRowColor">
491<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/LoggerFactory.html#org.apache.log4j.spi"><B>LoggerFactory</B></A></B>
492
493<BR>
494 Implement this interface to create new instances of Logger or
495 a sub-class of Logger.</TD>
496</TR>
497<TR BGCOLOR="white" CLASS="TableRowColor">
498<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/LoggerRepository.html#org.apache.log4j.spi"><B>LoggerRepository</B></A></B>
499
500<BR>
501 A <code>LoggerRepository</code> is used to create and retrieve
502 <code>Loggers</code>.</TD>
503</TR>
504<TR BGCOLOR="white" CLASS="TableRowColor">
505<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/LoggingEvent.html#org.apache.log4j.spi"><B>LoggingEvent</B></A></B>
506
507<BR>
508 The internal representation of logging events.</TD>
509</TR>
510<TR BGCOLOR="white" CLASS="TableRowColor">
511<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/NOPLoggerRepository.html#org.apache.log4j.spi"><B>NOPLoggerRepository</B></A></B>
512
513<BR>
514 No-operation implementation of LoggerRepository which is used when
515 LogManager.repositorySelector is erroneously nulled during class reloading.</TD>
516</TR>
517<TR BGCOLOR="white" CLASS="TableRowColor">
518<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/OptionHandler.html#org.apache.log4j.spi"><B>OptionHandler</B></A></B>
519
520<BR>
521 A string based interface to configure package components.</TD>
522</TR>
523<TR BGCOLOR="white" CLASS="TableRowColor">
524<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/RepositorySelector.html#org.apache.log4j.spi"><B>RepositorySelector</B></A></B>
525
526<BR>
527 The <code>LogManager</code> uses one (and only one)
528 <code>RepositorySelector</code> implementation to select the
529 <A HREF="../../../../org/apache/log4j/spi/LoggerRepository.html" title="interface in org.apache.log4j.spi"><CODE>LoggerRepository</CODE></A> for a particular application context.</TD>
530</TR>
531<TR BGCOLOR="white" CLASS="TableRowColor">
532<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/ThrowableInformation.html#org.apache.log4j.spi"><B>ThrowableInformation</B></A></B>
533
534<BR>
535 ThrowableInformation is log4j's internal representation of
536 throwables.</TD>
537</TR>
538<TR BGCOLOR="white" CLASS="TableRowColor">
539<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/ThrowableRenderer.html#org.apache.log4j.spi"><B>ThrowableRenderer</B></A></B>
540
541<BR>
542 Implemented by classes that render instances of
543 java.lang.Throwable (exceptions and errors)
544 into a string representation.</TD>
545</TR>
546</TABLE>
547
548<P>
549<A NAME="org.apache.log4j.varia"><!-- --></A>
550<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
551<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
552<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
553Classes in <A HREF="../../../../org/apache/log4j/spi/package-summary.html">org.apache.log4j.spi</A> used by <A HREF="../../../../org/apache/log4j/varia/package-summary.html">org.apache.log4j.varia</A></FONT></TH>
554</TR>
555<TR BGCOLOR="white" CLASS="TableRowColor">
556<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/Configurator.html#org.apache.log4j.varia"><B>Configurator</B></A></B>
557
558<BR>
559 Implemented by classes capable of configuring log4j using a URL.</TD>
560</TR>
561<TR BGCOLOR="white" CLASS="TableRowColor">
562<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/ErrorHandler.html#org.apache.log4j.varia"><B>ErrorHandler</B></A></B>
563
564<BR>
565 Appenders may delegate their error handling to
566 <code>ErrorHandlers</code>.</TD>
567</TR>
568<TR BGCOLOR="white" CLASS="TableRowColor">
569<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/Filter.html#org.apache.log4j.varia"><B>Filter</B></A></B>
570
571<BR>
572 Users should extend this class to implement customized logging
573 event filtering.</TD>
574</TR>
575<TR BGCOLOR="white" CLASS="TableRowColor">
576<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/LoggerRepository.html#org.apache.log4j.varia"><B>LoggerRepository</B></A></B>
577
578<BR>
579 A <code>LoggerRepository</code> is used to create and retrieve
580 <code>Loggers</code>.</TD>
581</TR>
582<TR BGCOLOR="white" CLASS="TableRowColor">
583<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/LoggingEvent.html#org.apache.log4j.varia"><B>LoggingEvent</B></A></B>
584
585<BR>
586 The internal representation of logging events.</TD>
587</TR>
588<TR BGCOLOR="white" CLASS="TableRowColor">
589<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/OptionHandler.html#org.apache.log4j.varia"><B>OptionHandler</B></A></B>
590
591<BR>
592 A string based interface to configure package components.</TD>
593</TR>
594</TABLE>
595
596<P>
597<A NAME="org.apache.log4j.xml"><!-- --></A>
598<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
599<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
600<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
601Classes in <A HREF="../../../../org/apache/log4j/spi/package-summary.html">org.apache.log4j.spi</A> used by <A HREF="../../../../org/apache/log4j/xml/package-summary.html">org.apache.log4j.xml</A></FONT></TH>
602</TR>
603<TR BGCOLOR="white" CLASS="TableRowColor">
604<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/Configurator.html#org.apache.log4j.xml"><B>Configurator</B></A></B>
605
606<BR>
607 Implemented by classes capable of configuring log4j using a URL.</TD>
608</TR>
609<TR BGCOLOR="white" CLASS="TableRowColor">
610<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/LoggerFactory.html#org.apache.log4j.xml"><B>LoggerFactory</B></A></B>
611
612<BR>
613 Implement this interface to create new instances of Logger or
614 a sub-class of Logger.</TD>
615</TR>
616<TR BGCOLOR="white" CLASS="TableRowColor">
617<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/LoggerRepository.html#org.apache.log4j.xml"><B>LoggerRepository</B></A></B>
618
619<BR>
620 A <code>LoggerRepository</code> is used to create and retrieve
621 <code>Loggers</code>.</TD>
622</TR>
623<TR BGCOLOR="white" CLASS="TableRowColor">
624<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/LoggingEvent.html#org.apache.log4j.xml"><B>LoggingEvent</B></A></B>
625
626<BR>
627 The internal representation of logging events.</TD>
628</TR>
629<TR BGCOLOR="white" CLASS="TableRowColor">
630<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/OptionHandler.html#org.apache.log4j.xml"><B>OptionHandler</B></A></B>
631
632<BR>
633 A string based interface to configure package components.</TD>
634</TR>
635<TR BGCOLOR="white" CLASS="TableRowColor">
636<TD><B><A HREF="../../../../org/apache/log4j/spi/class-use/ThrowableRenderer.html#org.apache.log4j.xml"><B>ThrowableRenderer</B></A></B>
637
638<BR>
639 Implemented by classes that render instances of
640 java.lang.Throwable (exceptions and errors)
641 into a string representation.</TD>
642</TR>
643</TABLE>
644
645<P>
646<HR>
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648
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