/* * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package java.util.logging; /** * This Handler publishes log records to System.err. * By default the SimpleFormatter is used to generate brief summaries. *
* Configuration:
* By default each ConsoleHandler is initialized using the following
* LogManager configuration properties where {@code
* For example, the properties for {@code ConsoleHandler} would be:
*
* For a custom handler, e.g. com.foo.MyHandler, the properties would be:
*
* @since 1.4
*/
public class ConsoleHandler extends StreamHandler {
/**
* Create a ConsoleHandler for System.err.
*
* The ConsoleHandler is configured based on
* LogManager properties (or their default values).
*
*/
public ConsoleHandler() {
// configure with specific defaults for ConsoleHandler
super(Level.INFO, new SimpleFormatter(), null);
setOutputStreamPrivileged(System.err);
}
/**
* Publish a LogRecord.
*
* The logging request was made initially to a Logger object,
* which initialized the LogRecord and forwarded it here.
*
* @param record description of the log event. A null record is
* silently ignored and is not published
*/
@Override
public void publish(LogRecord record) {
super.publish(record);
flush();
}
/**
* Override StreamHandler.close to do a flush but not
* to close the output stream. That is, we do not
* close System.err.
*/
@Override
public void close() {
flush();
}
}
*
*
*
*
*
*