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author | Endi Sukma Dewata <edewata@redhat.com> | 2012-03-24 02:27:47 -0500 |
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committer | Endi Sukma Dewata <edewata@redhat.com> | 2012-03-26 11:43:54 -0500 |
commit | 621d9e5c413e561293d7484b93882d985b3fe15f (patch) | |
tree | 638f3d75761c121d9a8fb50b52a12a6686c5ac5c /base/common/src/com/netscape/cmscore/logging/LogQueue.java | |
parent | 40d3643b8d91886bf210aa27f711731c81a11e49 (diff) | |
download | pki-621d9e5c413e561293d7484b93882d985b3fe15f.tar.gz pki-621d9e5c413e561293d7484b93882d985b3fe15f.tar.xz pki-621d9e5c413e561293d7484b93882d985b3fe15f.zip |
Removed unnecessary pki folder.
Previously the source code was located inside a pki folder.
This folder was created during svn migration and is no longer
needed. This folder has now been removed and the contents have
been moved up one level.
Ticket #131
Diffstat (limited to 'base/common/src/com/netscape/cmscore/logging/LogQueue.java')
-rw-r--r-- | base/common/src/com/netscape/cmscore/logging/LogQueue.java | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/base/common/src/com/netscape/cmscore/logging/LogQueue.java b/base/common/src/com/netscape/cmscore/logging/LogQueue.java new file mode 100644 index 000000000..90ca05d81 --- /dev/null +++ b/base/common/src/com/netscape/cmscore/logging/LogQueue.java @@ -0,0 +1,123 @@ +// --- BEGIN COPYRIGHT BLOCK --- +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; version 2 of the License. +// +// This program 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 General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this program; if not, write to the Free Software Foundation, Inc., +// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +// +// (C) 2007 Red Hat, Inc. +// All rights reserved. +// --- END COPYRIGHT BLOCK --- +package com.netscape.cmscore.logging; + +import java.util.Vector; + +import com.netscape.certsrv.logging.ELogException; +import com.netscape.certsrv.logging.ILogEvent; +import com.netscape.certsrv.logging.ILogEventListener; +import com.netscape.certsrv.logging.ILogQueue; + +/** + * A class represents a log queue. + * <P> + * + * @author mzhao + * @version $Revision$, $Date$ + */ +public class LogQueue implements ILogQueue { + + private static LogQueue mLogQueue = new LogQueue(); + protected Vector<ILogEventListener> mListeners = null; + + /** + * Constructs a log queue. + */ + public LogQueue() { + } + + public static ILogQueue getLogQueue() { + return mLogQueue; + } + + /** + * Initializes the log queue. + * <P> + * + */ + public void init() { + mListeners = new Vector<ILogEventListener>(); + + } + + /** + * Stops this log queue: shuts down all registered listeners + * <P> + */ + public void shutdown() { + if (mListeners == null) + return; + for (int i = 0; i < mListeners.size(); i++) { + ((ILogEventListener) mListeners.elementAt(i)).shutdown(); + } + mListeners = null; + } + + /** + * Adds an event listener. + * + * @param listener the log event listener + */ + public void addLogEventListener(ILogEventListener listener) { + //Make sure we don't have duplicated listener + if (!mListeners.contains(listener)) + mListeners.addElement(listener); + } + + /** + * Removes an event listener. + * + * @param listener the log event listener + */ + public void removeLogEventListener(ILogEventListener listener) { + mListeners.removeElement(listener); + } + + /** + * Logs an event, and notifies logger to reuse the event. + * + * @param event the log event + */ + public void log(ILogEvent event) { + if (mListeners == null) + return; + for (int i = 0; i < mListeners.size(); i++) { + try { + ((ILogEventListener) mListeners.elementAt(i)).log(event); + } catch (ELogException e) { + // Raidzilla Bug #57592: Don't display potentially + // incorrect log message. + // ConsoleError.send(new SystemEvent(CMS.getUserMessage("CMS_LOG_EVENT_FAILED", + // event.getEventType(), e.toString()))); + + // Don't do this again. + removeLogEventListener((ILogEventListener) mListeners.elementAt(i)); + } + } + } + + /** + * Flushes the log buffers (if any) + */ + public void flush() { + for (int i = 0; i < mListeners.size(); i++) { + ((ILogEventListener) mListeners.elementAt(i)).flush(); + } + } +} |