[jboss-svn-commits] JBoss Common SVN: r3327 - jboss-logmanager/trunk/src/main/java/org/jboss/logmanager/handlers.

[jboss-svn-commits at lists.jboss.org]

Author: david.lloyd at jboss.com
Date: 2009-07-02 21:49:43 -0400 (Thu, 02 Jul 2009)
New Revision: 3327

Added:
   jboss-logmanager/trunk/src/main/java/org/jboss/logmanager/handlers/AutoFlushingHandler.java
Log:
Auto-flush handler which can wrap any handler type

Added: jboss-logmanager/trunk/src/main/java/org/jboss/logmanager/handlers/AutoFlushingHandler.java
===================================================================
--- jboss-logmanager/trunk/src/main/java/org/jboss/logmanager/handlers/AutoFlushingHandler.java	                        (rev 0)
+++ jboss-logmanager/trunk/src/main/java/org/jboss/logmanager/handlers/AutoFlushingHandler.java	2009-07-03 01:49:43 UTC (rev 3327)
@@ -0,0 +1,112 @@
+/*
+ * JBoss, Home of Professional Open Source.
+ * Copyright 2009, Red Hat Middleware LLC, and individual contributors
+ * as indicated by the @author tags. See the copyright.txt file in the
+ * distribution for a full listing of individual contributors.
+ *
+ * This is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this software; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+ */
+
+package org.jboss.logmanager.handlers;
+
+import java.util.logging.Handler;
+import java.util.logging.LogRecord;
+import java.util.logging.Formatter;
+import java.util.logging.Filter;
+import java.util.logging.ErrorManager;
+import java.util.logging.Level;
+
+/**
+ * A handler which wraps another handler, forcing a flush after each successful message publication.
+ */
+public class AutoFlushingHandler extends Handler {
+    private final Handler delegate;
+
+    /**
+     * Construct a new instance.
+     *
+     * @param delegate the handler to delegate to
+     */
+    public AutoFlushingHandler(final Handler delegate) {
+        this.delegate = delegate;
+    }
+
+    /** {@inheritDoc} */
+    public void publish(final LogRecord record) {
+        final Handler delegate = this.delegate;
+        delegate.publish(record);
+        delegate.flush();
+    }
+
+    /**
+     * Not supported.
+     *
+     * @param newFormatter ignored
+     * @throws UnsupportedOperationException always
+     */
+    public void setFormatter(final Formatter newFormatter) throws UnsupportedOperationException {
+        throw new UnsupportedOperationException();
+    }
+
+    /**
+     * Not supported.
+     *
+     * @param encoding ignored
+     * @throws UnsupportedOperationException always
+     */
+    public void setEncoding(final String encoding) throws UnsupportedOperationException {
+        throw new UnsupportedOperationException();
+    }
+
+    /**
+     * Not supported.
+     *
+     * @param newFilter ignored
+     * @throws UnsupportedOperationException always
+     */
+    public void setFilter(final Filter newFilter) throws UnsupportedOperationException {
+        throw new UnsupportedOperationException();
+    }
+
+    /**
+     * Not supported.
+     *
+     * @param em ignored
+     * @throws UnsupportedOperationException always
+     */
+    public void setErrorManager(final ErrorManager em) throws UnsupportedOperationException{
+        throw new UnsupportedOperationException();
+    }
+
+    /**
+     * Not supported.
+     *
+     * @param newLevel ignored
+     * @throws UnsupportedOperationException always
+     */
+    public void setLevel(final Level newLevel) throws UnsupportedOperationException {
+        throw new UnsupportedOperationException();
+    }
+
+    /** {@inheritDoc} */
+    public void flush() {
+        delegate.flush();
+    }
+
+    /** {@inheritDoc}  This implementation does nothing. */
+    public void close() throws SecurityException {
+    }
+}