git-svn-id: https://joinup.ec.europa.eu/svn/moa-idspss/tags/1.4.5@1131 d688527b-c9ab-4aba-bd8d-4036d912da1d

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();
+  }
+
+}