001    /* JAPI - (Yet another (hopefully) useful) Java API
002     *
003     * Copyright (C) 2004-2006 Christian Hujer
004     *
005     * This program is free software; you can redistribute it and/or
006     * modify it under the terms of the GNU General Public License as
007     * published by the Free Software Foundation; either version 2 of the
008     * License, or (at your option) any later version.
009     *
010     * This program is distributed in the hope that it will be useful, but
011     * WITHOUT ANY WARRANTY; without even the implied warranty of
012     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
013     * General Public License for more details.
014     *
015     * You should have received a copy of the GNU General Public License
016     * along with this program; if not, write to the Free Software
017     * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
018     * 02111-1307, USA.
019     */
020    
021    package net.sf.japi.util;
022    
023    import java.io.PrintStream;
024    
025    /** A ThrowableHandler that prints exceptions to a defined PrintStream.
026     * @author <a href="mailto:chris@riedquat.de">Christian Hujer</a>
027     */
028    @SuppressWarnings({"UseOfSystemOutOrSystemErr"})
029    public class PrintStreamThrowableHandler<T extends Throwable> implements ThrowableHandler<T> {
030    
031        /** Static instance for printing to STDERR. */
032        public static final PrintStreamThrowableHandler<Throwable> STDERR = new PrintStreamThrowableHandler<Throwable>(System.err);
033    
034        private final PrintStream stream;
035    
036        /** Private Singleton Constructor. */
037        public PrintStreamThrowableHandler(final PrintStream stream) {
038            this.stream = stream;
039        }
040    
041        /** {@inheritDoc} */
042        public void handleThrowable(final T t) {
043            stream.println(t);
044        }
045    
046    } // class DefaultStderrThrowableHandler