logstream.java

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/* jcifs smb client library in Java
 * Copyright (C) 2004  "Michael B. Allen" <jcifs at samba dot org>
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.util;

import java.io.PrintStream;

/**
0 - nothing
1 - critical [default]
2 - basic info can be logged under load
3 - almost everything
N - debugging
 */

public class LogStream extends PrintStream {

    private static LogStream inst;

    public static int level = 1;

    public LogStream( PrintStream stream ) {
        super( stream );
    }

    public static void setLevel( int level ) {
        LogStream.level = level;
    }
    /**
     * This must be called before <tt>getInstance</tt> is called or
     * it will have no effect.
     */
    public static void setInstance( PrintStream stream ) {
        inst = new LogStream( stream );
    }
    public static LogStream getInstance() {
        if( inst == null ) {
            setInstance( System.err );
        }
        return inst;
    }
}