mwomack 2003/03/18 22:02:59
Modified: src/java/org/apache/log4j/spi LoggingEvent.java
Log:
Added getMDCKeySet() method to return an unmodifiable set of the keys in the MDC.
If the MDC is null, then an empty set is returned.
Revision Changes Path
1.37 +22 -0 jakarta-log4j/src/java/org/apache/log4j/spi/LoggingEvent.java
Index: LoggingEvent.java
===================================================================
RCS file: /home/cvs/jakarta-log4j/src/java/org/apache/log4j/spi/LoggingEvent.java,v
retrieving revision 1.36
retrieving revision 1.37
diff -u -r1.36 -r1.37
--- LoggingEvent.java 18 Mar 2003 13:33:31 -0000 1.36
+++ LoggingEvent.java 19 Mar 2003 06:02:59 -0000 1.37
@@ -59,6 +59,8 @@
import java.lang.reflect.Method;
import java.util.Hashtable;
+import java.util.Set;
+import java.util.Collections;
// Contributors: Nelson Minar <[EMAIL PROTECTED]>
@@ -354,6 +356,26 @@
return MDC.get(key);
}
+ /**
+ * Returns the set of of the key values in the MDC for the event.
+ * The returned set is unmodifiable by the caller.
+ *
+ * @return Iterator an iterator to iterate over the MDC keys.
+ * @since 1.3
+ */
+ public Set getMDCKeySet() {
+ if (mdcCopy != null) {
+ return Collections.unmodifiableSet(mdcCopy.keySet());
+ } else {
+ Hashtable t = (Hashtable) MDC.getContext();
+ if (t != null) {
+ return Collections.unmodifiableSet(t.keySet());
+ } else {
+ return Collections.EMPTY_SET;
+ }
+ }
+ }
+
/**
* Obtain a copy of this thread's MDC prior to serialization or asynchronous
* logging.
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