1 /*
   2  * Copyright (c) 2006, 2017, 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 4703112
  27  * @summary Verifies that ImageIO.getReaderFileSuffixes() and similar methods
  28  *          return appropriate values
  29  */
  30 
  31 import java.util.Iterator;
  32 
  33 import javax.imageio.ImageIO;
  34 import javax.imageio.ImageReader;
  35 import javax.imageio.ImageWriter;
  36 
  37 public class GetReaderWriterInfo {
  38 
  39     private static void testGetReaderFormatNames() {
  40         String[] names = ImageIO.getReaderFormatNames();
  41         for (String n : names) {
  42             Iterator<ImageReader> it = ImageIO.getImageReadersByFormatName(n);
  43             if (!it.hasNext()) {
  44                 throw new RuntimeException("getReaderFormatNames returned " +
  45                                            "an unknown name: " + n);
  46             }
  47         }
  48     }
  49 
  50     private static void testGetReaderMIMETypes() {
  51         String[] types = ImageIO.getReaderMIMETypes();
  52         for (String t : types) {
  53             Iterator<ImageReader> it = ImageIO.getImageReadersByMIMEType(t);
  54             if (!it.hasNext()) {
  55                 throw new RuntimeException("getReaderMIMETypes returned " +
  56                                            "an unknown type: " + t);
  57             }
  58         }
  59     }
  60 
  61     private static void testGetReaderFileSuffixes() {
  62         String[] suffixes = ImageIO.getReaderFileSuffixes();
  63         for (String s : suffixes) {
  64             Iterator<ImageReader> it = ImageIO.getImageReadersBySuffix(s);
  65             if (!it.hasNext()) {
  66                 throw new RuntimeException("getReaderFileSuffixes returned " +
  67                                            "an unknown suffix: " + s);
  68             }
  69         }
  70     }
  71 
  72     private static void testGetWriterFormatNames() {
  73         String[] names = ImageIO.getWriterFormatNames();
  74         for (String n : names) {
  75             Iterator<ImageWriter> it = ImageIO.getImageWritersByFormatName(n);
  76             if (!it.hasNext()) {
  77                 throw new RuntimeException("getWriterFormatNames returned " +
  78                                            "an unknown name: " + n);
  79             }
  80         }
  81     }
  82 
  83     private static void testGetWriterMIMETypes() {
  84         String[] types = ImageIO.getWriterMIMETypes();
  85         for (String t : types) {
  86             Iterator<ImageWriter> it = ImageIO.getImageWritersByMIMEType(t);
  87             if (!it.hasNext()) {
  88                 throw new RuntimeException("getWriterMIMETypes returned " +
  89                                            "an unknown type: " + t);
  90             }
  91         }
  92     }
  93 
  94     private static void testGetWriterFileSuffixes() {
  95         String[] suffixes = ImageIO.getWriterFileSuffixes();
  96         for (String s : suffixes) {
  97             Iterator<ImageWriter> it = ImageIO.getImageWritersBySuffix(s);
  98             if (!it.hasNext()) {
  99                 throw new RuntimeException("getWriterFileSuffixes returned " +
 100                                            "an unknown suffix: " + s);
 101             }
 102         }
 103     }
 104 
 105     public static void main(String[] args) {
 106         testGetReaderFormatNames();
 107         testGetReaderMIMETypes();
 108         testGetReaderFileSuffixes();
 109         testGetWriterFormatNames();
 110         testGetWriterMIMETypes();
 111         testGetWriterFileSuffixes();
 112     }
 113 }