001package votorola.g.lang; // Copyright 2006, 2009, Michael Allan.  Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Votorola Software"), to deal in the Votorola Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicence, and/or sell copies of the Votorola Software, and to permit persons to whom the Votorola Software is furnished to do so, subject to the following conditions: The preceding copyright notice and this permission notice shall be included in all copies or substantial portions of the Votorola Software. THE VOTOROLA SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE VOTOROLA SOFTWARE OR THE USE OR OTHER DEALINGS IN THE VOTOROLA SOFTWARE.
002
003import java.util.logging.Level;
004import votorola.g.logging.LoggerX;
005
006
007/** A catcher that logs exceptions, but rethrows errors.
008  */
009public @ThreadSafe class CatcherL<S> implements Catcher<S>
010{
011
012
013    /** Constructs a CatcherL.
014      *
015      *     @see #loggingLevel()
016      */
017    public CatcherL( Level _loggingLevel ) { loggingLevel = _loggingLevel; }
018
019
020
021   // ------------------------------------------------------------------------------------
022
023
024    /** The level at which caught exceptions are logged.
025      */
026    public final Level loggingLevel() { return loggingLevel; }
027
028
029        private final Level loggingLevel;
030
031
032
033   // - C a t c h e r --------------------------------------------------------------------
034
035
036    /** Immediately re-throws the error.  Subclasses that override this method would
037      * normally also re-throw, by calling super.catchError.
038      */
039    public void catchError( S source, Error r ) { throw r; }
040
041
042
043    /** Logs a full stack trace of the exception, using the source's associated logger.
044      */
045    public void catchException( S source, Exception x ) { log( source, x ); }
046
047
048
049//// P r i v a t e ///////////////////////////////////////////////////////////////////////
050
051
052    /** Logs a full stack trace of the throwable, using the source's associated logger.
053      */
054    protected final void log( final S source, final Throwable t )
055    {
056        LoggerX.i(source.getClass()).log( loggingLevel, /*message*/"", t );
057    }
058
059
060
061}