97 lines
3.8 KiB
Java
97 lines
3.8 KiB
Java
/*
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* Copyright (c) 2005, 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 6275112
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* @summary Test verifies that imageReaders for base image formats return
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* meaningful name of service provider interface (SPI) for base image
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* formats
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* @modules java.desktop/com.sun.imageio.plugins.gif
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* java.desktop/com.sun.imageio.plugins.png
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* java.desktop/com.sun.imageio.plugins.jpeg
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* java.desktop/com.sun.imageio.plugins.bmp
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* java.desktop/com.sun.imageio.plugins.wbmp
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*/
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import javax.imageio.ImageIO;
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import javax.imageio.ImageReader;
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import javax.imageio.ImageWriter;
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import javax.imageio.spi.ImageReaderSpi;
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public class PluginSpiTest {
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public static void main(String[] args) {
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String format[] = { "GIF", "PNG", "JPEG", "BMP", "WBMP" };
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for (int i = 0; i < format.length; i++) {
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System.out.println("\nFormat " + format[i]);
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testFormat(format[i]);
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}
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}
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public static void testFormat(String format) {
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ImageReader reader =
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ImageIO.getImageReadersByFormatName(format).next();
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if (reader == null) {
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throw new RuntimeException("Failed to get reader for " + format);
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}
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ImageReaderSpi readerSpi = reader.getOriginatingProvider();
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System.out.println(format + " Reader SPI: " + readerSpi);
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String writerSpiNames[] = readerSpi.getImageWriterSpiNames();
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if (writerSpiNames == null || writerSpiNames.length == 0) {
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throw new RuntimeException("Failed to get writer spi names for " +
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format);
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}
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System.out.println("Available writer spi names:");
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for (int i = 0; i < writerSpiNames.length; i++) {
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System.out.println(writerSpiNames[i]);
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try {
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Class spiClass = Class.forName(writerSpiNames[i]);
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if (spiClass == null) {
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throw new RuntimeException("Failed to get spi class " +
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writerSpiNames[i]);
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}
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System.out.println("Got class " + spiClass.getName());
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Object spiObject = spiClass.newInstance();
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if (spiObject == null) {
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throw new RuntimeException("Failed to instantiate spi " +
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writerSpiNames[i]);
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}
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System.out.println("Got instance " + spiObject);
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} catch (Throwable e) {
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throw new RuntimeException("Failed to test spi " +
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writerSpiNames[i]);
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}
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}
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ImageWriter writer = ImageIO.getImageWriter(reader);
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if (writer == null) {
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throw new RuntimeException("Failed to get writer for " + format);
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}
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}
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}
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