| /* |
| * Copyright (c) 2001, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 4395378 |
| * @summary Checks that ImageIO.createImageInputStream and |
| * createImageOutputStream produce correct output when given a |
| * RandomAccessFile |
| */ |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.RandomAccessFile; |
| |
| import javax.imageio.ImageIO; |
| import javax.imageio.stream.FileImageInputStream; |
| import javax.imageio.stream.FileImageOutputStream; |
| import javax.imageio.stream.ImageInputStream; |
| import javax.imageio.stream.ImageOutputStream; |
| |
| public class ImageStreamFromRAF { |
| |
| public static void main(String[] args) { |
| try { |
| File f = new File("ImageInputStreamFromRAF.tmp"); |
| RandomAccessFile raf = new RandomAccessFile(f, "rw"); |
| ImageInputStream istream = ImageIO.createImageInputStream(raf); |
| ImageOutputStream ostream = ImageIO.createImageOutputStream(raf); |
| f.delete(); |
| if (istream == null) { |
| throw new RuntimeException("ImageIO.createImageInputStream(RandomAccessFile) returned null!"); |
| } |
| if (ostream == null) { |
| throw new RuntimeException("ImageIO.createImageOutputStream(RandomAccessFile) returned null!"); |
| } |
| if (!(istream instanceof FileImageInputStream)) { |
| throw new RuntimeException("ImageIO.createImageInputStream(RandomAccessFile) did not return a FileImageInputStream!"); |
| } |
| if (!(ostream instanceof FileImageOutputStream)) { |
| throw new RuntimeException("ImageIO.createImageOutputStream(RandomAccessFile) did not return a FileImageOutputStream!"); |
| } |
| } catch (IOException ioe) { |
| throw new RuntimeException("Unexpected IOException: " + ioe); |
| } |
| } |
| } |