01 /*
02 * Copyright 1999-2000 Sun Microsystems, Inc. All Rights Reserved.
03 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04 *
05 * This code is free software; you can redistribute it and/or modify it
06 * under the terms of the GNU General Public License version 2 only, as
07 * published by the Free Software Foundation. Sun designates this
08 * particular file as subject to the "Classpath" exception as provided
09 * by Sun in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
25
26 package javax.imageio.event;
27
28 import java.util.EventListener;
29 import javax.imageio.ImageReader;
30
31 /**
32 * An interface used by <code>ImageReader</code> implementations to
33 * notify callers of their image and thumbnail reading methods of
34 * warnings (non-fatal errors). Fatal errors cause the relevant
35 * read method to throw an <code>IIOException</code>.
36 *
37 * <p> Localization is handled by associating a <code>Locale</code>
38 * with each <code>IIOReadWarningListener</code> as it is registered
39 * with an <code>ImageReader</code>. It is up to the
40 * <code>ImageReader</code> to provide localized messages.
41 *
42 * @see javax.imageio.ImageReader#addIIOReadWarningListener
43 * @see javax.imageio.ImageReader#removeIIOReadWarningListener
44 *
45 * @version 0.5
46 */
47 public interface IIOReadWarningListener extends EventListener {
48
49 /**
50 * Reports the occurence of a non-fatal error in decoding. Decoding
51 * will continue following the call to this method. The application
52 * may choose to display a dialog, print the warning to the console,
53 * ignore the warning, or take any other action it chooses.
54 *
55 * @param source the <code>ImageReader</code> object calling this method.
56 * @param warning a <code>String</code> containing the warning.
57 */
58 void warningOccurred(ImageReader source, String warning);
59 }
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