1/* 2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 6294607 27 * @summary Test verifies whether ImageWriteParam.getCompressionTypes() 28 * returns any duplicate compression type for ImageIO plugins. 29 * @run main ImageCompressionTypesTest 30 */ 31 32import java.util.Iterator; 33import javax.imageio.ImageIO; 34import javax.imageio.ImageWriteParam; 35import javax.imageio.ImageWriter; 36 37public class ImageCompressionTypesTest { 38 39 static ImageWriter writer = null; 40 41 public ImageCompressionTypesTest(String format) { 42 Iterator it = ImageIO.getImageWritersByFormatName(format); 43 while (it.hasNext()) { 44 writer = (ImageWriter) it.next(); 45 break; 46 } 47 ImageWriteParam param = writer.getDefaultWriteParam(); 48 49 param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT); 50 System.out.println("Checking compression types for : " + format); 51 String compTypes[] = param.getCompressionTypes(); 52 if (compTypes.length > 1) { 53 for (int i = 0; i < compTypes.length; i++) { 54 for (int j = i + 1; j < compTypes.length; j++) { 55 if (compTypes[i].equalsIgnoreCase(compTypes[j])) { 56 throw new RuntimeException("Duplicate compression" 57 + " type exists for image format " + format); 58 } 59 } 60 } 61 } 62 } 63 64 public static void main(String args[]) { 65 final String[] formats = {"bmp", "png", "gif", "jpg", "tiff"}; 66 for (String format : formats) { 67 new ImageCompressionTypesTest(format); 68 } 69 } 70} 71 72