|
/*
* 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 4395376
* @summary Performs various sanity checks on Spi class constructors and get
* methods
*/
import java.util.Iterator;
import java.util.Locale;
import javax.imageio.ImageReader;
import javax.imageio.ImageTypeSpecifier;
import javax.imageio.ImageWriter;
import javax.imageio.spi.IIORegistry;
import javax.imageio.spi.IIOServiceProvider;
import javax.imageio.spi.ImageReaderSpi;
import javax.imageio.spi.ImageReaderWriterSpi;
import javax.imageio.spi.ImageWriterSpi;
import javax.imageio.spi.ServiceRegistry;
public class SpiTest {
String vendorName = null;
String version = null;
String[] names = null;
String[] suffixes = null;
String[] MIMETypes = null;
String readerClassName = null;
String writerClassName = null;
Class[] inputTypes = null;
Class[] outputTypes = null;
String[] writerSpiNames = null;
String[] readerSpiNames = null;
String nativeStreamMetadataFormatName = null;
String nativeStreamMetadataFormatClassName = null;
String[] extraStreamMetadataFormatNames = null;
String[] extraStreamMetadataFormatClassNames = null;
String nativeImageMetadataFormatName = null;
String nativeImageMetadataFormatClassName = null;
String[] extraImageMetadataFormatNames = null;
String[] extraImageMetadataFormatClassNames = null;
private void error(String message) {
// System.out.println("Error: " + message);
throw new RuntimeException(message);
}
private void testSpi(IIOServiceProvider spi) {
if (spi.getVendorName() == null) {
error(spi + " getVendorName == null!");
}
if (spi.getVersion() == null) {
error(spi + " getVersion == null!");
}
}
private void testSpi(ImageReaderWriterSpi spi) {
testSpi((IIOServiceProvider)spi);
if (spi.getFormatNames() == null) {
error("spi.getFormatNames == null!");
}
String[] suffixes = spi.getFileSuffixes();
if (suffixes != null && suffixes.length == 0) {
error("suffixes.length == 0!");
}
String[] MIMETypes = spi.getMIMETypes();
if (MIMETypes != null && MIMETypes.length == 0) {
error("MIMETypes.length == 0!");
}
if (spi.getPluginClassName() == null) {
error("spi.getPluginClassName == null!");
}
String[] extraStreamMetadataFormatNames =
spi.getExtraStreamMetadataFormatNames();
if (extraStreamMetadataFormatNames != null &&
extraStreamMetadataFormatNames.length == 0) {
error("extraStreamMetadataFormatNames.length == 0!");
}
String[] extraImageMetadataFormatNames =
spi.getExtraImageMetadataFormatNames();
if (extraImageMetadataFormatNames != null &&
extraImageMetadataFormatNames.length == 0) {
error("extraImageMetadataFormatNames.length == 0!");
}
}
public void testSpi(ImageReaderSpi spi) {
testSpi((ImageReaderWriterSpi)spi);
Class[] inputTypes = spi.getInputTypes();
if (inputTypes == null) {
error("inputTypes == null!");
}
if (inputTypes.length == 0) {
error("inputTypes.length == 0!");
}
String[] writerSpiNames = spi.getImageWriterSpiNames();
if (writerSpiNames != null && writerSpiNames.length == 0) {
error("writerSpiNames.length == 0!");
}
}
public void testSpi(ImageWriterSpi spi) {
testSpi((ImageReaderWriterSpi)spi);
Class[] outputTypes = spi.getOutputTypes();
if (outputTypes == null) {
error("outputTypes == null!");
}
if (outputTypes.length == 0) {
error("outputTypes.length == 0!");
}
String[] readerSpiNames = spi.getImageReaderSpiNames();
if (readerSpiNames != null && readerSpiNames.length == 0) {
error("readerSpiNames.length == 0!");
}
}
private void resetConstructorArguments() {
vendorName = null;
version = null;
names = null;
suffixes = null;
MIMETypes = null;
readerClassName = null;
inputTypes = null;
outputTypes = null;
writerSpiNames = null;
readerSpiNames = null;
nativeStreamMetadataFormatName = null;
nativeStreamMetadataFormatClassName = null;
extraStreamMetadataFormatNames = null;
extraStreamMetadataFormatClassNames = null;
nativeImageMetadataFormatName = null;
nativeImageMetadataFormatClassName = null;
extraImageMetadataFormatNames = null;
extraImageMetadataFormatClassNames = null;
}
private ImageReaderSpi constructImageReaderSpi() {
return new ImageReaderSpi(vendorName,
version,
names,
suffixes,
MIMETypes,
readerClassName,
inputTypes,
writerSpiNames,
false,
nativeStreamMetadataFormatName,
nativeStreamMetadataFormatClassName,
extraStreamMetadataFormatNames,
extraStreamMetadataFormatClassNames,
false,
nativeImageMetadataFormatName,
nativeImageMetadataFormatClassName,
extraImageMetadataFormatNames,
extraImageMetadataFormatClassNames) {
public String getDescription(Locale locale) {
return null;
}
public boolean canDecodeInput(Object source) {
return false;
}
public ImageReader createReaderInstance(Object extension) {
return null;
}
};
}
private ImageWriterSpi constructImageWriterSpi() {
return new ImageWriterSpi(vendorName,
version,
names,
suffixes,
MIMETypes,
writerClassName,
outputTypes,
readerSpiNames,
false,
nativeStreamMetadataFormatName,
nativeStreamMetadataFormatClassName,
extraStreamMetadataFormatNames,
extraStreamMetadataFormatClassNames,
false,
nativeImageMetadataFormatName,
nativeImageMetadataFormatClassName,
extraImageMetadataFormatNames,
extraImageMetadataFormatClassNames) {
public String getDescription(Locale locale) {
return null;
}
public boolean canEncodeImage(ImageTypeSpecifier type) {
return false;
}
public ImageWriter createWriterInstance(Object extension) {
return null;
}
};
}
private void checkImageReaderSpiConstructor(boolean shouldFail) {
boolean gotIAE = false;
try {
constructImageReaderSpi();
} catch (Exception e) {
if (!(e instanceof IllegalArgumentException)) {
error("Got exception " + e);
} else {
gotIAE = true;
}
}
if (gotIAE != shouldFail) {
if (gotIAE) {
error("ImageReaderSpi constructor threw an IAE!");
} else {
error("ImageReaderSpi constructor didn't throw an IAE!");
}
}
}
private void checkImageWriterSpiConstructor(boolean shouldFail) {
boolean gotIAE = false;
try {
constructImageWriterSpi();
} catch (Exception e) {
if (!(e instanceof IllegalArgumentException)) {
error("Got exception " + e);
} else {
gotIAE = true;
}
}
if (gotIAE != shouldFail) {
if (gotIAE) {
error("ImageWriterSpi constructor threw an IAE!");
} else {
error("ImageWriterSpi constructor didn't throw an IAE!");
}
}
}
public void testImageReaderSpiConstructor() {
resetConstructorArguments();
checkImageReaderSpiConstructor(true);
vendorName = "My Vendor";
checkImageReaderSpiConstructor(true);
version = "My Version";
checkImageReaderSpiConstructor(true);
names = new String[0];
checkImageReaderSpiConstructor(true);
names = new String[1];
names[0] = "My Format Name";
checkImageReaderSpiConstructor(true);
readerClassName = "com.mycompany.Reader";
checkImageReaderSpiConstructor(true);
inputTypes = new Class[0];
checkImageReaderSpiConstructor(true);
inputTypes = new Class[1];
inputTypes[0] = Object.class;
// Now it should work
checkImageReaderSpiConstructor(false);
// Test normalization of zero-length arrays
suffixes = new String[0];
MIMETypes = new String[0];
writerSpiNames = new String[0];
extraStreamMetadataFormatNames = new String[0];
extraImageMetadataFormatNames = new String[0];
ImageReaderSpi spi = constructImageReaderSpi();
if (spi.getFileSuffixes() != null) {
error("Failed to normalize suffixes!");
}
if (spi.getMIMETypes() != null) {
error("Failed to normalize MIMETypes!");
}
if (spi.getImageWriterSpiNames() != null) {
error("Failed to normalize writerSpiNames!");
}
if (spi.getExtraStreamMetadataFormatNames() != null) {
error("Failed to normalize extraStreamMetadataFormatNames!");
}
if (spi.getExtraImageMetadataFormatNames() != null) {
error("Failed to normalize extraImageMetadataFormatNames!");
}
}
public void testImageWriterSpiConstructor() {
resetConstructorArguments();
checkImageWriterSpiConstructor(true);
vendorName = "My Vendor";
checkImageWriterSpiConstructor(true);
version = "My Version";
checkImageWriterSpiConstructor(true);
names = new String[0];
checkImageWriterSpiConstructor(true);
names = new String[1];
names[0] = "My Format Name";
checkImageWriterSpiConstructor(true);
writerClassName = "com.mycompany.Writer";
checkImageWriterSpiConstructor(true);
outputTypes = new Class[0];
checkImageWriterSpiConstructor(true);
outputTypes = new Class[1];
outputTypes[0] = Object.class;
// Now it should work
checkImageWriterSpiConstructor(false);
// Test normalization of zero-length arrays
suffixes = new String[0];
MIMETypes = new String[0];
readerSpiNames = new String[0];
extraStreamMetadataFormatNames = new String[0];
extraStreamMetadataFormatClassNames = new String[0];
extraImageMetadataFormatNames = new String[0];
extraImageMetadataFormatClassNames = new String[0];
ImageWriterSpi spi = constructImageWriterSpi();
if (spi.getFileSuffixes() != null) {
error("Failed to normalize suffixes!");
}
if (spi.getMIMETypes() != null) {
error("Failed to normalize MIMETypes!");
}
if (spi.getImageReaderSpiNames() != null) {
error("Failed to normalize readerSpiNames!");
}
if (spi.getExtraStreamMetadataFormatNames() != null) {
error("Failed to normalize extraStreamMetadataFormatNames!");
}
if (spi.getExtraImageMetadataFormatNames() != null) {
error("Failed to normalize extraImageMetadataFormatNames!");
}
}
public SpiTest() {
testImageReaderSpiConstructor();
testImageWriterSpiConstructor();
ServiceRegistry registry = IIORegistry.getDefaultInstance();
Iterator readers = registry.getServiceProviders(ImageReaderSpi.class,
false);
while (readers.hasNext()) {
ImageReaderSpi rspi = (ImageReaderSpi)readers.next();
System.out.println("*** Testing " + rspi.getClass().getName());
testSpi(rspi);
}
Iterator writers = registry.getServiceProviders(ImageWriterSpi.class,
false);
while (writers.hasNext()) {
ImageWriterSpi wspi = (ImageWriterSpi)writers.next();
System.out.println("*** Testing " + wspi.getClass().getName());
testSpi(wspi);
}
}
public static void main(String[] args) {
new SpiTest();
}
}
¤ Dauer der Verarbeitung: 0.18 Sekunden
(vorverarbeitet)
¤
|
Haftungshinweis
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung ist noch experimentell.
|
