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diff --git a/moaSig/common/src/main/java/at/gv/egovernment/moaspss/logging/Logger.java b/moaSig/common/src/main/java/at/gv/egovernment/moaspss/logging/Logger.java
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+/*
+ * Copyright 2003 Federal Chancellery Austria
+ * MOA-ID has been developed in a cooperation between BRZ, the Federal
+ * Chancellery Austria - ICT staff unit, and Graz University of Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+
+
+package at.gv.egovernment.moaspss.logging;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * A utility class acting as a facade to the logging subsystem.
+ *
+ * Configure the logging defaultHierarchy that the <code>Logger</code> uses by
+ * calling <code>setHierarchy</code> once before calling any of the logging
+ * output functions.
+ *
+ * @author Patrick Peck
+ * @version $Id$
+ */
+public class Logger {
+
+ /**
+ * Set the default hierarchy to which the <code>Logger</code> should send its
+ * logging output.
+ * @param hierarchy The logging defaultHierarchy.
+ */
+ public static void setHierarchy(String hierarchy) {
+ // 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.
+ *
+ * @return boolean <code>true</code>, if tracing output is enabled
+ * <code>false</code> otherwise.
+ */
+ public static boolean isTraceEnabled() {
+ org.slf4j.Logger logger = getLogger();
+ return logger.isTraceEnabled();
+ }
+
+ /**
+ * Test, if the trace log level is enabled for a given hierarchy.
+ *
+ * @param hierarchy requested log hierarchy
+ * @return boolean <code>true</code>, if tracing output is enabled
+ * <code>false</code> otherwise.
+ */
+ public static boolean isTraceEnabled(String hierarchy) {
+ org.slf4j.Logger logger = getLogger();
+ return logger.isTraceEnabled();
+ }
+
+ /**
+ * Trace a message.
+ *
+ * @param message The message to trace.
+ */
+ public static void trace(Object message) {
+ org.slf4j.Logger logger = getLogger();
+ logger.trace(prepareMessage(message));
+ }
+
+ /**
+ * Test, if the debug log level is enabled.
+ *
+ * @return boolean <code>true</code>, if debug output is enabled
+ * <code>false</code> otherwise.
+ */
+ public static boolean isDebugEnabled() {
+ org.slf4j.Logger logger = getLogger();
+ return logger.isDebugEnabled();
+ }
+
+ /**
+ * Test, if the debug log level is enabled for a given hierarchy.
+ *
+ * @param hierarchy requested log hierarchy
+ * @return boolean <code>true</code>, if debug output is enabled
+ * <code>false</code> otherwise.
+ */
+ public static boolean isDebugEnabled(String hierarchy) {
+ org.slf4j.Logger logger = getLogger();
+ return logger.isDebugEnabled();
+ }
+
+ /**
+ * Log a debug message.
+ *
+ * @param message The message to log.
+ */
+ public static void debug(Object 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.slf4j.Logger logger = getLogger();
+ logger.info(prepareMessage(message));
+ }
+
+ /**
+ * Log a warning message.
+ *
+ * @param message The message to log.
+ */
+ public static void warn(Object message) {
+ org.slf4j.Logger logger = getLogger();
+ logger.warn(prepareMessage(message));
+ }
+
+ /**
+ * Log a warning message.
+ *
+ * @param message The message to log.
+ * @param t An exception that may be the cause of the warning.
+ */
+ public static void warn(Object message, Throwable t) {
+ org.slf4j.Logger logger = getLogger();
+ logger.warn(prepareMessage(message), t);
+ }
+
+ /**
+ * Log an error message.
+ *
+ * @param message The message to log.
+ */
+ public static void error(Object message) {
+ org.slf4j.Logger logger = getLogger();
+ logger.error(prepareMessage(message));
+ }
+
+ /**
+ * Log an error message.
+ *
+ * @param message The message to log.
+ * @param t An exception that may be the cause of the error.
+ */
+ public static void error(Object message, Throwable t) {
+ org.slf4j.Logger logger = getLogger();
+ logger.error(prepareMessage(message), t);
+ }
+
+ /**
+ * Log a fatal error message.
+ *
+ * @param message The message to log.
+ */
+ public static void fatal(Object message) {
+ error(message);
+ }
+
+ /**
+ * Log a fatal error message.
+ *
+ * @param message The message to log.
+ * @param t An exception that may be the cause of the error.
+ */
+ public static void fatal(Object message, Throwable t) {
+ error(message, t);
+ }
+}