You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
63 lines
2.0 KiB
63 lines
2.0 KiB
/**
|
|
* ImageParser
|
|
* Copyright 2010 by Michael Peter Christen, mc@yacy.net, Frankfurt am Main, Germany
|
|
* First released 29.6.2010 at http://yacy.net
|
|
*
|
|
* 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 program in the file lgpl21.txt
|
|
* If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
package net.yacy.document;
|
|
|
|
import java.awt.Image;
|
|
import java.awt.image.BufferedImage;
|
|
import java.io.ByteArrayInputStream;
|
|
import java.io.IOException;
|
|
|
|
import javax.imageio.ImageIO;
|
|
|
|
import net.yacy.cora.util.ConcurrentLog;
|
|
|
|
public class ImageParser {
|
|
|
|
/**
|
|
* @param filename source image file url
|
|
* @param source image content as bytes
|
|
* @return an Image instance parsed from image content bytes, or null if no parser can handle image format or an error occured
|
|
*/
|
|
public static final Image parse(final String filename, final byte[] source) {
|
|
BufferedImage image = null;
|
|
try {
|
|
image = ImageIO.read(new ByteArrayInputStream(source));
|
|
/*
|
|
* With ImageIO.read, image is already loaded as a complete BufferedImage, no need to wait
|
|
* full loading with a MediaTracker
|
|
*/
|
|
} catch (IOException e) {
|
|
if (ConcurrentLog.isFine("IMAGEPARSER")) {
|
|
ConcurrentLog.fine("IMAGEPARSER", "IMAGEPARSER.parse : could not parse image " + filename, e);
|
|
}
|
|
}
|
|
if (image == null) {
|
|
if (ConcurrentLog.isFine("IMAGEPARSER")) {
|
|
ConcurrentLog.fine("IMAGEPARSER", "IMAGEPARSER.parse : ImageIO failed for " + filename);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
return image;
|
|
}
|
|
|
|
}
|