/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at
* trunk/opends/resource/legal-notices/OpenDS.LICENSE
* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at
* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
* add the following below this CDDL HEADER, with the fields enclosed
* by brackets "[]" replaced with your own identifying information:
* Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*
*
* Copyright 2006-2008 Sun Microsystems, Inc.
*/
package org.opends.server.loggers;
import java.io.OutputStream;
import java.io.PrintWriter;
/**
* A TextWriter provides a character-based stream used by a
* Text Publishers as a target for outputting log records.
*/
public interface TextWriter
{
/**
* Writes a text record to the output stream.
*
* @param record - the record to write.
*/
public void writeRecord(String record);
/**
* Flushes any buffered contents of the output stream.
*/
public void flush();
/**
* Releases any resources held by the writer.
*/
public void shutdown();
/**
* Retrieves the number of bytes written by this writer.
*
* @return the number of bytes written by this writer.
*/
public long getBytesWritten();
/**
* A TextWriter implementationwhich writes to standard out.
*/
public static class STDOUT implements TextWriter
{
private MeteredStream stream = new MeteredStream(System.out, 0);
private PrintWriter writer = new PrintWriter(stream, true);
/**
* {@inheritDoc}
*/
public void writeRecord(String record)
{
writer.println(record);
}
/**
* {@inheritDoc}
*/
public void flush()
{
writer.flush();
}
/**
* {@inheritDoc}
*/
public void shutdown()
{
// Should never close the system out stream.
}
/**
* {@inheritDoc}
*/
public long getBytesWritten()
{
return stream.written;
}
}
/**
* A TextWriter implementation which writes to standard error.
*/
public static class STDERR implements TextWriter
{
private MeteredStream stream = new MeteredStream(System.err, 0);
private PrintWriter writer = new PrintWriter(stream, true);
/**
* {@inheritDoc}
*/
public void writeRecord(String record)
{
writer.println(record);
}
/**
* {@inheritDoc}
*/
public void flush()
{
writer.flush();
}
/**
* {@inheritDoc}
*/
public void shutdown()
{
// Should never close the system error stream.
}
/**
* {@inheritDoc}
*/
public long getBytesWritten()
{
return stream.written;
}
}
/**
* A TextWriter implementation which writes to a given output stream.
*/
public class STREAM implements TextWriter
{
private MeteredStream stream;
private PrintWriter writer;
/**
* Creates a new text writer that will write to the provided output stream.
*
* @param outputStream The output stream to which
*/
public STREAM(OutputStream outputStream)
{
stream = new MeteredStream(outputStream, 0);
writer = new PrintWriter(stream, true);
}
/**
* {@inheritDoc}
*/
public void writeRecord(String record)
{
writer.println(record);
}
/**
* {@inheritDoc}
*/
public void flush()
{
writer.flush();
}
/**
* {@inheritDoc}
*/
public void shutdown()
{
// Should never close the system error stream.
}
/**
* {@inheritDoc}
*/
public long getBytesWritten()
{
return stream.written;
}
}
}