check if image supported
/** * COPYRIGHT. Harry Wu 2010. ALL RIGHTS RESERVED. * Project: EasyPhoto * Author: Harry Wu <harrywu304@gmail.com> * Created On: Jun 28, 2008 5:12:21 PM * */ //package org.shaitu.easyphoto.util; import java.awt.Image; import java.awt.image.BufferedImage; import java.awt.image.ColorModel; import java.awt.image.IndexColorModel; import java.awt.image.WritableRaster; import java.io.File; import java.util.Iterator; import java.util.List; import javax.imageio.IIOImage; import javax.imageio.ImageIO; import javax.imageio.ImageTypeSpecifier; import javax.imageio.ImageWriteParam; import javax.imageio.ImageWriter; import javax.imageio.plugins.jpeg.JPEGImageWriteParam; import javax.imageio.stream.ImageOutputStream; import javax.swing.ImageIcon; /** * userful methods about image * @author harry */ public class ImageUtil { public final static String JPEG = "jpeg"; public final static String JPG = "jpg"; public final static String BMP = "bmp"; public final static String PNG = "png"; public final static String GIF = "gif"; public final static String TIFF = "tiff"; public final static String TIF = "tif"; /** * check if image supported * @param extName extension name of image file * @return true supported, else false */ public static boolean isSupportedImage(String extName) { boolean isSupported = false; for (String format : ImageIO.getReaderFormatNames()) { if (format.equalsIgnoreCase(extName)) { isSupported = true; break; } } return isSupported; } }