[logback-dev] svn commit: r1780 - in logback/trunk: logback-access/src/main/java/ch/qos/logback/access/pattern logback-classic/src/main/java/ch/qos/logback/classic/pattern
noreply.ceki at qos.ch
noreply.ceki at qos.ch
Wed Aug 27 14:09:34 CEST 2008
Author: ceki
Date: Wed Aug 27 14:09:33 2008
New Revision: 1780
Added:
logback/trunk/logback-access/src/main/java/ch/qos/logback/access/pattern/EnsureLineSeparation.java
logback/trunk/logback-classic/src/main/java/ch/qos/logback/classic/pattern/EnsureExceptionHandling.java
Log:
LBCLASSIC-67
Other missing files
Added: logback/trunk/logback-access/src/main/java/ch/qos/logback/access/pattern/EnsureLineSeparation.java
==============================================================================
--- (empty file)
+++ logback/trunk/logback-access/src/main/java/ch/qos/logback/access/pattern/EnsureLineSeparation.java Wed Aug 27 14:09:33 2008
@@ -0,0 +1,34 @@
+/**
+ * Logback: the generic, reliable, fast and flexible logging framework.
+ *
+ * Copyright (C) 2000-2008, QOS.ch
+ *
+ * This library is free software, you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License as published by the Free
+ * Software Foundation.
+ */
+package ch.qos.logback.access.pattern;
+
+import ch.qos.logback.access.spi.AccessEvent;
+import ch.qos.logback.core.pattern.Converter;
+import ch.qos.logback.core.pattern.ConverterUtil;
+import ch.qos.logback.core.pattern.PostCompileProcessor;
+
+public class EnsureLineSeparation implements PostCompileProcessor<AccessEvent> {
+
+ /**
+ * Add a line separator converter so that access event appears on a separate
+ * line.
+ */
+ public void process(Converter<AccessEvent> head) {
+ Converter<AccessEvent> tail = ConverterUtil.findTail(head);
+ Converter<AccessEvent> newLineConverter = new LineSeparatorConverter();
+ if (tail == null) {
+ head = newLineConverter;
+ } else {
+ if (!(tail instanceof LineSeparatorConverter)) {
+ tail.setNext(newLineConverter);
+ }
+ }
+ }
+}
Added: logback/trunk/logback-classic/src/main/java/ch/qos/logback/classic/pattern/EnsureExceptionHandling.java
==============================================================================
--- (empty file)
+++ logback/trunk/logback-classic/src/main/java/ch/qos/logback/classic/pattern/EnsureExceptionHandling.java Wed Aug 27 14:09:33 2008
@@ -0,0 +1,60 @@
+package ch.qos.logback.classic.pattern;
+
+import ch.qos.logback.classic.spi.LoggingEvent;
+import ch.qos.logback.core.pattern.Converter;
+import ch.qos.logback.core.pattern.ConverterUtil;
+import ch.qos.logback.core.pattern.PostCompileProcessor;
+
+public class EnsureExceptionHandling implements PostCompileProcessor<LoggingEvent> {
+
+// public void process(Converter head) {
+// // TODO Auto-generated method stub
+//
+// }
+
+ /**
+ * This implementation checks if any of the converters in the chain handles
+ * exceptions. If not, then this method adds a ThrowableInformationConverter
+ * instance to the end of the chain.
+ * <p>
+ * This allows appenders using this layout to output exception information
+ * event if the user forgets to add %ex to the pattern. Note that the
+ * appenders defined in the Core package are not aware of exceptions nor
+ * LoggingEvents.
+ * <p>
+ * If for some reason the user wishes to NOT print exceptions, then she can
+ * add %nopex to the pattern.
+ *
+ *
+ */
+ public void process(Converter<LoggingEvent> head) {
+ if (!chainHandlesThrowable(head)) {
+ Converter<LoggingEvent> tail = ConverterUtil.findTail(head);
+ Converter<LoggingEvent> exConverter = new ThrowableInformationConverter();
+ if (tail == null) {
+ head = exConverter;
+ } else {
+ tail.setNext(exConverter);
+ }
+ }
+ }
+
+ /**
+ * This method computes whether a chain of converters handles exceptions or
+ * not.
+ *
+ * @param head
+ * The first element of the chain
+ * @return true if can handle throwables contained in logging events
+ */
+ public boolean chainHandlesThrowable(Converter head) {
+ Converter c = head;
+ while (c != null) {
+ if (c instanceof ThrowableHandlingConverter) {
+ return true;
+ }
+ c = c.getNext();
+ }
+ return false;
+ }
+}
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