org.glassfish.grizzly.http.server.accesslog.StreamAppender Maven / Gradle / Ivy
/*
* Copyright (c) 2014, 2020 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package org.glassfish.grizzly.http.server.accesslog;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.nio.charset.Charset;
/**
* An {@link AccessLogAppender appender} writing log entries to an {@link OutputStream}.
*
*
* Log entries will always encoded in UTF-8.
*
* @author Pier Fumagalli
* @author USRZ.com
*/
public class StreamAppender implements AccessLogAppender {
/* Line separator for entries, respect Windoshhhh */
private static final String LINE_SEPARATOR = System.getProperty("line.separator");
/* The writer we'll actually use */
private final Writer writer;
/**
* Create a new {@link StreamAppender} instance writing log entries to the specified {@link OutputStream}.
*/
public StreamAppender(OutputStream output) {
writer = new OutputStreamWriter(output, Charset.forName("UTF-8"));
}
@Override
public void append(String accessLogEntry) throws IOException {
synchronized (this) {
writer.write(accessLogEntry);
writer.write(LINE_SEPARATOR);
writer.flush();
}
}
@Override
public void close() throws IOException {
writer.close();
}
}