diff options
Diffstat (limited to 'common/src/main/java/at/gv/egovernment/moa/logging/LoggingContextManager.java')
-rw-r--r-- | common/src/main/java/at/gv/egovernment/moa/logging/LoggingContextManager.java | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/common/src/main/java/at/gv/egovernment/moa/logging/LoggingContextManager.java b/common/src/main/java/at/gv/egovernment/moa/logging/LoggingContextManager.java new file mode 100644 index 000000000..ef37dc6ba --- /dev/null +++ b/common/src/main/java/at/gv/egovernment/moa/logging/LoggingContextManager.java @@ -0,0 +1,71 @@ +/* +* Copyright 2003 Federal Chancellery Austria +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ +package at.gv.egovernment.moa.logging; + +/** + * Provides each thread with a single instance of <code>LoggingContext</code>. + * + * @author Patrick Peck + * @version $Id$ + */ +public class LoggingContextManager { + /** The single instance of this class. */ + private static LoggingContextManager instance = null; + + /** The <code>LoggingContext</code> for each thread. */ + private ThreadLocal context; + + /** + * Get the single instance of the <code>LoggingContextManager</code> class. + * + * @return LoggingContextManager The single instance. + */ + public static synchronized LoggingContextManager getInstance() { + if (instance == null) { + instance = new LoggingContextManager(); + } + return instance; + } + + /** + * Creates a new <code>LoggingContextManager</code>. + * + * Protected to disallow direct instantiation. + */ + protected LoggingContextManager() { + context = new ThreadLocal(); + } + + /** + * Set the <code>LoggingContext</code> context for the current thread. + * + * @param ctx The <code>LoggingContext</code> for the current thread. + */ + public void setLoggingContext(LoggingContext ctx) { + context.set(ctx); + } + + /** + * Return the <code>LoggingContext</code> for the current thread. + * + * @return LoggingContext The <code>LoggingContext</code> for the current + * thread, or <code>null</code> if none has been set. + */ + public LoggingContext getLoggingContext() { + return (LoggingContext) context.get(); + } + +} |