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-rw-r--r--common/src/main/java/at/gv/egovernment/moa/logging/Logger.java92
1 files changed, 68 insertions, 24 deletions
diff --git a/common/src/main/java/at/gv/egovernment/moa/logging/Logger.java b/common/src/main/java/at/gv/egovernment/moa/logging/Logger.java
index 2e76325a5..7cb2e7daf 100644
--- a/common/src/main/java/at/gv/egovernment/moa/logging/Logger.java
+++ b/common/src/main/java/at/gv/egovernment/moa/logging/Logger.java
@@ -24,6 +24,9 @@
package at.gv.egovernment.moa.logging;
+import java.util.HashMap;
+import java.util.Map;
+
/**
* A utility class acting as a facade to the logging subsystem.
*
@@ -45,6 +48,49 @@ public class Logger {
// there is no need for that anymore
}
+
+ /** The Constant instances. */
+ private static final Map<String, org.slf4j.Logger> instances = new HashMap<String, org.slf4j.Logger>();
+
+ /**
+ * Gets the logger.
+ *
+ * @return the logger
+ */
+ private static synchronized org.slf4j.Logger getLogger() {
+ StackTraceElement[] stacktrace = Thread.currentThread().getStackTrace();
+
+ int i;
+ for(i = 2; i < stacktrace.length; i++)
+ if(!stacktrace[i].getClassName().equals(Logger.class.getName()))
+ break;
+
+ String className = stacktrace[i].getClassName();
+
+ org.slf4j.Logger logger = instances.get(className);
+ if (logger != null) {
+ return logger;
+ }
+
+ logger = org.slf4j.LoggerFactory.getLogger(className);
+ instances.put(className, logger);
+
+ return logger;
+ }
+
+ /**
+ * Prepare the message for printing it as string.
+ * <p>Mainly introduce because the <code>message</code> might be <code>null</code>.
+ *
+ * @param message the message
+ * @return the string
+ */
+ private static String prepareMessage(Object message) {
+ if(null == message)
+ return "no message given";
+ return message.toString();
+ }
+
/**
* Test, if the trace log level is enabled.
*
@@ -52,7 +98,7 @@ public class Logger {
* <code>false</code> otherwise.
*/
public static boolean isTraceEnabled() {
- org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger(Thread.currentThread().getStackTrace()[2].getClassName());
+ org.slf4j.Logger logger = getLogger();
return logger.isTraceEnabled();
}
@@ -64,7 +110,7 @@ public class Logger {
* <code>false</code> otherwise.
*/
public static boolean isTraceEnabled(String hierarchy) {
- org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger(Thread.currentThread().getStackTrace()[2].getClassName());
+ org.slf4j.Logger logger = getLogger();
return logger.isTraceEnabled();
}
@@ -74,8 +120,8 @@ public class Logger {
* @param message The message to trace.
*/
public static void trace(Object message) {
- org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger(Thread.currentThread().getStackTrace()[2].getClassName());
- logger.trace(message);
+ org.slf4j.Logger logger = getLogger();
+ logger.trace(prepareMessage(message));
}
/**
@@ -85,7 +131,7 @@ public class Logger {
* <code>false</code> otherwise.
*/
public static boolean isDebugEnabled() {
- org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger(Thread.currentThread().getStackTrace()[2].getClassName());
+ org.slf4j.Logger logger = getLogger();
return logger.isDebugEnabled();
}
@@ -97,7 +143,7 @@ public class Logger {
* <code>false</code> otherwise.
*/
public static boolean isDebugEnabled(String hierarchy) {
- org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger(Thread.currentThread().getStackTrace()[2].getClassName());
+ org.slf4j.Logger logger = getLogger();
return logger.isDebugEnabled();
}
@@ -107,18 +153,18 @@ public class Logger {
* @param message The message to log.
*/
public static void debug(Object message) {
- org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger(Thread.currentThread().getStackTrace()[2].getClassName());
- logger.debug(message);
+ org.slf4j.Logger logger = getLogger();
+ logger.debug(prepareMessage(message));
}
-
- /**
+
+/**
* Log an info message.
*
* @param message The message to log.
*/
public static void info(Object message) {
- org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger(Thread.currentThread().getStackTrace()[2].getClassName());
- logger.info(message);
+ org.slf4j.Logger logger = getLogger();
+ logger.info(prepareMessage(message));
}
/**
@@ -127,8 +173,8 @@ public class Logger {
* @param message The message to log.
*/
public static void warn(Object message) {
- org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger(Thread.currentThread().getStackTrace()[2].getClassName());
- logger.warn(message);
+ org.slf4j.Logger logger = getLogger();
+ logger.warn(prepareMessage(message));
}
/**
@@ -138,8 +184,8 @@ public class Logger {
* @param t An exception that may be the cause of the warning.
*/
public static void warn(Object message, Throwable t) {
- org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger(Thread.currentThread().getStackTrace()[2].getClassName());
- logger.warn(message, t);
+ org.slf4j.Logger logger = getLogger();
+ logger.warn(prepareMessage(message), t);
}
/**
@@ -148,8 +194,8 @@ public class Logger {
* @param message The message to log.
*/
public static void error(Object message) {
- org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger(Thread.currentThread().getStackTrace()[2].getClassName());
- logger.error(message);
+ org.slf4j.Logger logger = getLogger();
+ logger.error(prepareMessage(message));
}
/**
@@ -159,8 +205,8 @@ public class Logger {
* @param t An exception that may be the cause of the error.
*/
public static void error(Object message, Throwable t) {
- org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger(Thread.currentThread().getStackTrace()[2].getClassName());
- logger.error(message, t);
+ org.slf4j.Logger logger = getLogger();
+ logger.error(prepareMessage(message), t);
}
/**
@@ -169,8 +215,7 @@ public class Logger {
* @param message The message to log.
*/
public static void fatal(Object message) {
- org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger(Thread.currentThread().getStackTrace()[2].getClassName());
- logger.fatal(message);
+ error(message);
}
/**
@@ -180,7 +225,6 @@ public class Logger {
* @param t An exception that may be the cause of the error.
*/
public static void fatal(Object message, Throwable t) {
- org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger(Thread.currentThread().getStackTrace()[2].getClassName());
- logger.fatal(message, t);
+ error(message, t);
}
}