/*
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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 legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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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 legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* 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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* Copyright 2006-2008 Sun Microsystems, Inc.
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* Portions Copyright 2015 ForgeRock AS
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*/
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package org.opends.server.loggers;
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import java.io.OutputStream;
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import java.io.PrintWriter;
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/**
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* A TextWriter provides a character-based stream used by a
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* Text Publishers as a target for outputting log records.
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*/
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public interface TextWriter
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{
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/**
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* Writes a text record to the output stream.
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*
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* @param record - the record to write.
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*/
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void writeRecord(String record);
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/**
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* Flushes any buffered contents of the output stream.
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*/
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void flush();
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/**
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* Releases any resources held by the writer.
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*/
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void shutdown();
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/**
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* Retrieves the number of bytes written by this writer.
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*
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* @return the number of bytes written by this writer.
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*/
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long getBytesWritten();
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/**
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* A TextWriter implementation which writes to standard out.
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*/
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public static class STDOUT implements TextWriter
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{
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private MeteredStream stream = new MeteredStream(System.out, 0);
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private PrintWriter writer = new PrintWriter(stream, true);
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/** {@inheritDoc} */
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public void writeRecord(String record)
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{
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writer.println(record);
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}
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/** {@inheritDoc} */
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public void flush()
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{
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writer.flush();
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}
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/** {@inheritDoc} */
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public void shutdown()
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{
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// Should never close the system out stream.
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}
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/** {@inheritDoc} */
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public long getBytesWritten()
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{
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return stream.written;
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}
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}
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/**
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* A TextWriter implementation which writes to standard error.
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*/
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public static class STDERR implements TextWriter
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{
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private MeteredStream stream = new MeteredStream(System.err, 0);
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private PrintWriter writer = new PrintWriter(stream, true);
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/** {@inheritDoc} */
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public void writeRecord(String record)
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{
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writer.println(record);
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}
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/** {@inheritDoc} */
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public void flush()
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{
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writer.flush();
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}
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/** {@inheritDoc} */
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public void shutdown()
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{
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// Should never close the system error stream.
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}
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/** {@inheritDoc} */
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public long getBytesWritten()
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{
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return stream.written;
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}
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}
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/**
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* A TextWriter implementation which writes to a given output stream.
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*/
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public class STREAM implements TextWriter
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{
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private MeteredStream stream;
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private PrintWriter writer;
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/**
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* Creates a new text writer that will write to the provided output stream.
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*
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* @param outputStream The output stream to which
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*/
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public STREAM(OutputStream outputStream)
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{
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stream = new MeteredStream(outputStream, 0);
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writer = new PrintWriter(stream, true);
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}
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/** {@inheritDoc} */
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public void writeRecord(String record)
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{
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writer.println(record);
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}
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/** {@inheritDoc} */
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public void flush()
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{
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writer.flush();
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}
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/** {@inheritDoc} */
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public void shutdown()
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{
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// Should never close the system error stream.
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}
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/** {@inheritDoc} */
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public long getBytesWritten()
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{
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return stream.written;
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}
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}
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}
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