/*
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* The contents of this file are subject to the terms of the Common Development and
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* Distribution License (the License). You may not use this file except in compliance with the
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* License.
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*
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* You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
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* specific language governing permission and limitations under the License.
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*
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* When distributing Covered Software, include this CDDL Header Notice in each file and include
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* the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
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* Header, with the fields enclosed by brackets [] replaced by your own identifying
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* information: "Portions Copyright [year] [name of copyright owner]".
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*
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* Copyright 2006-2008 Sun Microsystems, Inc.
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* Portions Copyright 2015-2016 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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/** Flushes any buffered contents of the output stream. */
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void flush();
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/** Releases any resources held by the writer. */
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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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/** A TextWriter implementation which writes to standard out. */
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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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@Override
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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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@Override
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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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@Override
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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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@Override
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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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/** A TextWriter implementation which writes to standard error. */
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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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@Override
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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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@Override
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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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@Override
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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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@Override
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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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/** A TextWriter implementation which writes to a given output stream. */
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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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@Override
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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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@Override
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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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@Override
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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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@Override
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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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