| 1 | // Jomic - a viewer for comic book archives. |
| 2 | // Copyright (C) 2004-2008 Thomas Aglassinger |
| 3 | // |
| 4 | // This program is free software: you can redistribute it and/or modify |
| 5 | // it under the terms of the GNU General Public License as published by |
| 6 | // the Free Software Foundation, either version 3 of the License, or |
| 7 | // (at your option) any later version. |
| 8 | // |
| 9 | // This program is distributed in the hope that it will be useful, |
| 10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | // GNU General Public License for more details. |
| 13 | // |
| 14 | // You should have received a copy of the GNU General Public License |
| 15 | // along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 16 | package net.sf.jomic.tools; |
| 17 | |
| 18 | |
| 19 | import javax.media.jai.util.ImagingException; |
| 20 | import javax.media.jai.util.ImagingListener; |
| 21 | |
| 22 | import net.sf.wraplog.Logger; |
| 23 | |
| 24 | /** |
| 25 | * ImagingListener to prevent JAI from dumping internal exceptions to <code>System.err</code>. |
| 26 | * Instead, the exceptions are logged, but only if the logger related to this class is set to |
| 27 | * <code>DEBUG</code>. |
| 28 | * |
| 29 | * @see net.sf.wraplog.Logger#isDebugEnabled() |
| 30 | * @see System#err |
| 31 | * @author Thomas Aglassinger |
| 32 | */ |
| 33 | public class ImagingExceptionThrowingImagingListener implements ImagingListener |
| 34 | { |
| 35 | private Logger logger; |
| 36 | |
| 37 | public ImagingExceptionThrowingImagingListener() { |
| 38 | logger = Logger.getLogger(ImagingExceptionThrowingImagingListener.class); |
| 39 | } |
| 40 | |
| 41 | public boolean errorOccurred(String message, Throwable error, Object where, boolean isRetryable) { |
| 42 | if (logger.isDebugEnabled()) { |
| 43 | logger.debug("JAI detected an error: " + message, error); |
| 44 | } |
| 45 | throw new ImagingException(message, error); |
| 46 | } |
| 47 | } |