Here you can find the source of isImage(File file)
Parameter | Description |
---|---|
file | the file to check |
public static boolean isImage(File file)
//package com.java2s; /*/*from ww w . j a v a 2 s . c om*/ This file is part of the Greenfoot program. Copyright (C) 2005-2009 Poul Henriksen and Michael Kolling This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. This file is subject to the Classpath exception as provided in the LICENSE.txt file that accompanied this code. */ import java.awt.image.BufferedImage; import java.io.File; import javax.imageio.ImageIO; public class Main { /** * Check whether a given file is an image that can be read by Java. * @param file the file to check * @return true if the file is a valid image, false otherwise. */ public static boolean isImage(File file) { try { BufferedImage img = ImageIO.read(file); if (img == null) return false; return true; } catch (Exception ex) { return false; } } }