/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Portions Copyright 2006-2007 Sun Microsystems, Inc.
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*/
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package org.opends.server.loggers;
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import org.opends.server.util.TimeThread;
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import java.io.File;
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import java.io.FilenameFilter;
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/**
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* A file name policy that names files suffixed by the time it was created.
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*/
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public class TimeStampNaming implements FileNamingPolicy
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{
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File file;
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/**
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* The FilenameFilter implementation for this naming policy to filter
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* for all the files named by this policy.
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*/
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private class TimeStampNamingFilter implements FilenameFilter
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{
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/**
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* Select only files that are named by this policy.
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*
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* @param dir The directory to search.
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* @param name The filename to which to apply the filter.
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*
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* @return <CODE>true</CODE> if the given filename matches the filter, or
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* <CODE>false</CODE> if it does not.
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*/
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public boolean accept(File dir, String name)
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{
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if(new File(dir, name).isDirectory())
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{
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return false;
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}
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name = name.toLowerCase();
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return name.startsWith(file.getName().toLowerCase());
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}
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}
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/**
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* Create a new instance of the TimeStampNaming policy. Files will be created
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* with the names in the prefix.utctime format.
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*
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* @param file the file to use as the naming prefix.
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*/
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public TimeStampNaming(File file)
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{
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this.file = file;
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}
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/**
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* {@inheritDoc}
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*/
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public File getInitialName()
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{
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return file;
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}
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/**
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* {@inheritDoc}
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*/
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public File getNextName()
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{
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return new File(file + "." + TimeThread.getGMTTime());
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}
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/**
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* {@inheritDoc}
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*/
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public FilenameFilter getFilenameFilter()
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{
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return new TimeStampNamingFilter();
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}
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/**
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* {@inheritDoc}
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*/
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public File[] listFiles()
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{
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File directory = file.getParentFile();
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return directory.listFiles(getFilenameFilter());
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}
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}
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