#292 Preparing for Java 9 compatibility + general clean-up

imageio/imageio-batik/src/main/java/com/twelvemonkeys/imageio/plugins/svg/SVGImageReaderSpi.java

@@ -39,6 +39,7 @@ import java.io.IOException;
 import java.util.Locale;
 
 import static com.twelvemonkeys.imageio.plugins.svg.SVGProviderInfo.SVG_READER_AVAILABLE;
+import static com.twelvemonkeys.imageio.util.IIOUtil.*;
 
 /**
  * SVGImageReaderSpi
@@ -175,7 +176,7 @@ public final class SVGImageReaderSpi extends ImageReaderSpiBase {
                 t.printStackTrace();
             }
 
-            IIOUtil.deregisterProvider(registry, this, category);
+            deregisterProvider(registry, this, category);
         }
     }
 }

imageio/imageio-batik/src/main/java/com/twelvemonkeys/imageio/plugins/wmf/WMFImageReader.java

@@ -55,7 +55,7 @@ import java.util.Iterator;
  */
 // TODO: Probably possible to do less wrapping/unwrapping of data...
 // TODO: Consider using temp file instead of in-memory stream
-public class WMFImageReader extends ImageReaderBase {
+public final class WMFImageReader extends ImageReaderBase {
 
     private SVGImageReader reader = null;
 

imageio/imageio-bmp/src/main/java/com/twelvemonkeys/imageio/plugins/bmp/BMPImageReaderSpi.java

@@ -29,6 +29,7 @@
 package com.twelvemonkeys.imageio.plugins.bmp;
 
 import com.twelvemonkeys.imageio.spi.ImageReaderSpiBase;
+import com.twelvemonkeys.imageio.util.IIOUtil;
 
 import javax.imageio.ImageReader;
 import javax.imageio.spi.ImageReaderSpi;
@@ -37,9 +38,10 @@ import javax.imageio.stream.ImageInputStream;
 import java.io.IOException;
 import java.nio.ByteBuffer;
 import java.nio.ByteOrder;
-import java.util.Iterator;
 import java.util.Locale;
 
+import static com.twelvemonkeys.imageio.util.IIOUtil.lookupProviderByName;
+
 /**
  * BMPImageReaderSpi
  *
@@ -51,24 +53,10 @@ public final class BMPImageReaderSpi extends ImageReaderSpiBase {
         super(new BMPProviderInfo());
     }
 
-    static ImageReaderSpi lookupDefaultProvider(final ServiceRegistry registry) {
-        Iterator<ImageReaderSpi> providers = registry.getServiceProviders(ImageReaderSpi.class, true);
-
-        while (providers.hasNext()) {
-            ImageReaderSpi provider = providers.next();
-
-            if (provider.getClass().getName().equals("com.sun.imageio.plugins.bmp.BMPImageReaderSpi")) {
-                return provider;
-            }
-        }
-
-        return null;
-    }
-
     @SuppressWarnings("unchecked")
     @Override
     public void onRegistration(final ServiceRegistry registry, final Class<?> category) {
-        ImageReaderSpi defaultProvider = lookupDefaultProvider(registry);
+        ImageReaderSpi defaultProvider = lookupProviderByName(registry, "com.sun.imageio.plugins.bmp.BMPImageReaderSpi");
 
         if (defaultProvider != null) {
             // Order before com.sun provider, to aid ImageIO in selecting our reader

imageio/imageio-core/src/main/java/com/twelvemonkeys/imageio/util/IIOUtil.java

@@ -28,7 +28,6 @@
 package com.twelvemonkeys.imageio.util;
 
 import com.twelvemonkeys.image.ImageUtil;
-import com.twelvemonkeys.imageio.spi.ProviderInfo;
 
 import javax.imageio.IIOParam;
 import javax.imageio.ImageIO;
@@ -155,28 +154,32 @@ public final class IIOUtil {
     }
 
     /**
-     * Creates a {@link ProviderInfo} instance for the given service provider.
+     * THIS METHOD WILL ME MOVED/RENAMED, DO NOT USE.
      *
-     * @param pProviderClass the provider class to get info for.
+     * @param registry the registry to unregister from.
-     * @return the newly created {@link ProviderInfo}.
+     * @param provider the provider to unregister.
+     * @param category the category to unregister from.
      */
-    public static ProviderInfo getProviderInfo(final Class<? extends IIOServiceProvider> pProviderClass) {
+    public static <T> void deregisterProvider(final ServiceRegistry registry, final IIOServiceProvider provider, final Class<T> category) {
-        return new ProviderInfo(pProviderClass.getPackage());
+        // http://www.ibm.com/developerworks/java/library/j-jtp04298.html
+        registry.deregisterServiceProvider(category.cast(provider), category);
     }
 
     /**
      * THIS METHOD WILL ME MOVED/RENAMED, DO NOT USE.
      *
-     * @param pRegistry the registry to unregister from
+     * @param registry the registry to lookup from.
-     * @param pProvider the provider to unregister
+     * @param providerClassName name of the provider class.
-     * @param pCategory the category to unregister from
      *
-     * @deprecated
+     * @return the provider instance, or {@code null}.
      */
-    public static <T> void deregisterProvider(final ServiceRegistry pRegistry, final IIOServiceProvider pProvider, final Class<T> pCategory) {
+    public static <T> T lookupProviderByName(final ServiceRegistry registry, final String providerClassName) {
-        // http://www.ibm.com/developerworks/java/library/j-jtp04298.html
+        try {
-        // TODO: Consider placing this method in a ImageReaderSpiBase class or similar
+            return (T) registry.getServiceProviderByClass(Class.forName(providerClassName));
-        pRegistry.deregisterServiceProvider(pCategory.cast(pProvider), pCategory);
+        }
+        catch (ClassNotFoundException ignore) {
+            return null;
+        }
     }
 
     /**
@@ -202,7 +205,7 @@ public final class IIOUtil {
     }
 
     private static String[] normalizeNames(final String[] names) {
-        SortedSet<String> normalizedNames = new TreeSet<String>();
+        SortedSet<String> normalizedNames = new TreeSet<>();
 
         for (String name : names) {
             normalizedNames.add(name.toUpperCase());

imageio/imageio-iff/src/main/java/com/twelvemonkeys/imageio/plugins/iff/IFFImageReaderSpi.java

@@ -42,7 +42,7 @@ import java.util.Locale;
  * @author <a href="mailto:harald.kuhr@gmail.com">Harald Kuhr</a>
  * @version $Id: IFFImageWriterSpi.java,v 1.0 28.feb.2006 19:21:05 haku Exp$
  */
-public class IFFImageReaderSpi extends ImageReaderSpiBase {
+public final class IFFImageReaderSpi extends ImageReaderSpiBase {
 
     /**
      * Creates an {@code IFFImageReaderSpi}.

imageio/imageio-jpeg/src/main/java/com/twelvemonkeys/imageio/plugins/jpeg/JPEGImageReader.java

@@ -98,7 +98,7 @@ import java.util.List;
  * @author last modified by $Author: haraldk$
  * @version $Id: JPEGImageReader.java,v 1.0 24.01.11 16.37 haraldk Exp$
  */
-public class JPEGImageReader extends ImageReaderBase {
+public final class JPEGImageReader extends ImageReaderBase {
     // TODO: Allow automatic rotation based on EXIF rotation field?
     // TODO: Create a simplified native metadata format that is closer to the actual JPEG stream AND supports EXIF in a sensible way
     // TODO: As we already parse the SOF segments, maybe we should stop delegating getWidth/getHeight etc?

imageio/imageio-jpeg/src/main/java/com/twelvemonkeys/imageio/plugins/jpeg/JPEGImageReaderSpi.java

@@ -41,6 +41,8 @@ import java.io.IOException;
 import java.util.Iterator;
 import java.util.Locale;
 
+import static com.twelvemonkeys.imageio.util.IIOUtil.lookupProviderByName;
+
 /**
  * JPEGImageReaderSpi
  *
@@ -48,7 +50,7 @@ import java.util.Locale;
  * @author last modified by $Author: haraldk$
  * @version $Id: JPEGImageReaderSpi.java,v 1.0 24.01.11 22.12 haraldk Exp$
  */
-public class JPEGImageReaderSpi extends ImageReaderSpiBase {
+public final class JPEGImageReaderSpi extends ImageReaderSpiBase {
     protected ImageReaderSpi delegateProvider;
 
     /**
@@ -64,41 +66,22 @@ public class JPEGImageReaderSpi extends ImageReaderSpiBase {
      *
      * @param delegateProvider a {@code ImageReaderSpi} that can read JPEG.
      */
-    protected JPEGImageReaderSpi(final ImageReaderSpi delegateProvider) {
+    JPEGImageReaderSpi(final ImageReaderSpi delegateProvider) {
         this();
 
         this.delegateProvider = Validate.notNull(delegateProvider);
     }
 
-    /**
+    private JPEGImageReaderSpi(final ReaderWriterProviderInfo info) {
-     * Constructor for subclasses.
-     *
-     * @param info
-     */
-    protected JPEGImageReaderSpi(final ReaderWriterProviderInfo info) {
         super(info);
     }
 
-    static ImageReaderSpi lookupDelegateProvider(final ServiceRegistry registry) {
-        Iterator<ImageReaderSpi> providers = registry.getServiceProviders(ImageReaderSpi.class, true);
-
-        while (providers.hasNext()) {
-            ImageReaderSpi provider = providers.next();
-
-            if (provider.getClass().getName().equals("com.sun.imageio.plugins.jpeg.JPEGImageReaderSpi")) {
-                return provider;
-            }
-        }
-
-        return null;
-    }
-
     @SuppressWarnings({"unchecked", "deprecation"})
     @Override
     public void onRegistration(final ServiceRegistry registry, final Class<?> category) {
         if (delegateProvider == null) {
             // Install delegate now
-            delegateProvider = lookupDelegateProvider(registry);
+            delegateProvider = lookupProviderByName(registry, "com.sun.imageio.plugins.jpeg.JPEGImageReaderSpi");
         }
 
         if (delegateProvider != null) {

imageio/imageio-jpeg/src/main/java/com/twelvemonkeys/imageio/plugins/jpeg/JPEGImageWriter.java

@@ -52,7 +52,7 @@ import java.util.Locale;
  * @author last modified by $Author: haraldk$
  * @version $Id: JPEGImageWriter.java,v 1.0 06.02.12 16:39 haraldk Exp$
  */
-public class JPEGImageWriter extends ImageWriterBase {
+public final class JPEGImageWriter extends ImageWriterBase {
     // TODO: Extend with functionality to be able to write CMYK JPEGs as well?
 
     /** Our JPEG writing delegate */

imageio/imageio-jpeg/src/main/java/com/twelvemonkeys/imageio/plugins/jpeg/JPEGImageWriterSpi.java

@@ -42,6 +42,8 @@ import java.io.IOException;
 import java.util.Iterator;
 import java.util.Locale;
 
+import static com.twelvemonkeys.imageio.util.IIOUtil.*;
+
 /**
  * JPEGImageWriterSpi
  *
@@ -71,26 +73,12 @@ public class JPEGImageWriterSpi extends ImageWriterSpiBase {
         this.delegateProvider = Validate.notNull(delegateProvider);
     }
 
-    static ImageWriterSpi lookupDelegateProvider(final ServiceRegistry registry) {
-        Iterator<ImageWriterSpi> providers = registry.getServiceProviders(ImageWriterSpi.class, true);
-
-        while (providers.hasNext()) {
-            ImageWriterSpi provider = providers.next();
-
-            if (provider.getClass().getName().equals("com.sun.imageio.plugins.jpeg.JPEGImageWriterSpi")) {
-                return provider;
-            }
-        }
-
-        return null;
-    }
-
     @SuppressWarnings({"unchecked"})
     @Override
     public void onRegistration(final ServiceRegistry registry, final Class<?> category) {
         if (delegateProvider == null) {
             // Install delegate now
-            delegateProvider = lookupDelegateProvider(registry);
+            delegateProvider = lookupProviderByName(registry, "com.sun.imageio.plugins.jpeg.JPEGImageWriterSpi");
         }
 
         if (delegateProvider != null) {
@@ -99,7 +87,7 @@ public class JPEGImageWriterSpi extends ImageWriterSpiBase {
         }
         else {
             // Or, if no delegate is found, silently deregister from the registry
-            IIOUtil.deregisterProvider(registry, this, category);
+            deregisterProvider(registry, this, category);
         }
     }
 

imageio/imageio-jpeg/src/test/java/com/twelvemonkeys/imageio/plugins/jpeg/JPEGImage10MetadataCleanerTest.java

@@ -15,6 +15,7 @@ import javax.imageio.stream.ImageInputStream;
 import java.util.Arrays;
 import java.util.List;
 
+import static com.twelvemonkeys.imageio.util.IIOUtil.lookupProviderByName;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 
@@ -32,10 +33,10 @@ public class JPEGImage10MetadataCleanerTest {
         ImageIO.setUseCache(false);
     }
 
-    protected static final JPEGImageReaderSpi SPI = new JPEGImageReaderSpi(lookupDelegateProvider());
+    private static final JPEGImageReaderSpi SPI = new JPEGImageReaderSpi(lookupDelegateProvider());
 
-    protected static ImageReaderSpi lookupDelegateProvider() {
+    private static ImageReaderSpi lookupDelegateProvider() {
-        return JPEGImageReaderSpi.lookupDelegateProvider(IIORegistry.getDefaultInstance());
+        return lookupProviderByName(IIORegistry.getDefaultInstance(), "com.sun.imageio.plugins.jpeg.JPEGImageReaderSpi");
     }
 
     // Unit/regression test for #276

imageio/imageio-jpeg/src/test/java/com/twelvemonkeys/imageio/plugins/jpeg/JPEGImageReaderTest.java

@@ -58,6 +58,7 @@ import java.io.IOException;
 import java.util.*;
 import java.util.List;
 
+import static com.twelvemonkeys.imageio.util.IIOUtil.lookupProviderByName;
 import static org.junit.Assert.*;
 import static org.junit.Assume.assumeNoException;
 import static org.junit.Assume.assumeNotNull;
@@ -74,10 +75,10 @@ import static org.mockito.Mockito.*;
  */
 public class JPEGImageReaderTest extends ImageReaderAbstractTest<JPEGImageReader> {
 
-    protected static final JPEGImageReaderSpi SPI = new JPEGImageReaderSpi(lookupDelegateProvider());
+    private static final JPEGImageReaderSpi SPI = new JPEGImageReaderSpi(lookupDelegateProvider());
 
-    protected static ImageReaderSpi lookupDelegateProvider() {
+    private static ImageReaderSpi lookupDelegateProvider() {
-        return JPEGImageReaderSpi.lookupDelegateProvider(IIORegistry.getDefaultInstance());
+        return lookupProviderByName(IIORegistry.getDefaultInstance(), "com.sun.imageio.plugins.jpeg.JPEGImageReaderSpi");
     }
 
     @Override

imageio/imageio-jpeg/src/test/java/com/twelvemonkeys/imageio/plugins/jpeg/JPEGImageWriterTest.java

@@ -28,6 +28,7 @@
 
 package com.twelvemonkeys.imageio.plugins.jpeg;
 
+import com.twelvemonkeys.imageio.util.IIOUtil;
 import com.twelvemonkeys.imageio.util.ImageWriterAbstractTestCase;
 
 import javax.imageio.ImageWriter;
@@ -51,7 +52,7 @@ public class JPEGImageWriterTest extends ImageWriterAbstractTestCase {
     private static final JPEGImageWriterSpi SPI = new JPEGImageWriterSpi(lookupDelegateProvider());
 
     private static ImageWriterSpi lookupDelegateProvider() {
-        return JPEGImageWriterSpi.lookupDelegateProvider(IIORegistry.getDefaultInstance());
+        return IIOUtil.lookupProviderByName(IIORegistry.getDefaultInstance(), "com.sun.imageio.plugins.jpeg.JPEGImageWriterSpi");
     }
 
     @Override

imageio/imageio-pict/src/main/java/com/twelvemonkeys/imageio/plugins/pict/PICTImageReader.java

@@ -102,7 +102,7 @@ import java.util.List;
  * @todo Some MAJOR clean up
  * @todo As we now have Graphics2D with more options, support more of the format?
  */
-public class PICTImageReader extends ImageReaderBase {
+public final class PICTImageReader extends ImageReaderBase {
 
     final static boolean DEBUG = "true".equalsIgnoreCase(System.getProperty("com.twelvemonkeys.imageio.plugins.pict.debug"));
 

imageio/imageio-reference/src/test/java/com/twelvemonkeys/imageio/reference/JPEGImageReaderTest.java

@@ -15,6 +15,7 @@ import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 
+import static com.twelvemonkeys.imageio.util.IIOUtil.lookupProviderByName;
 import static org.junit.Assume.assumeNoException;
 
 /**
@@ -27,18 +28,7 @@ import static org.junit.Assume.assumeNoException;
 public class JPEGImageReaderTest extends ImageReaderAbstractTest {
     private static final boolean IS_JAVA_6_OR_LATER = SystemUtil.isClassAvailable("java.util.Deque");
     
-    protected final ImageReaderSpi provider = lookupSpi();
+    private final ImageReaderSpi provider = lookupProviderByName(IIORegistry.getDefaultInstance(), "com.sun.imageio.plugins.jpeg.JPEGImageReaderSpi");
-
-    private ImageReaderSpi lookupSpi() {
-        try {
-            return (ImageReaderSpi) IIORegistry.getDefaultInstance().getServiceProviderByClass(Class.forName("com.sun.imageio.plugins.jpeg.JPEGImageReaderSpi"));
-        }
-        catch (ClassNotFoundException e) {
-            assumeNoException(e);
-        }
-
-        return null;
-    }
 
     @Override
     protected List<TestData> getTestData() {

imageio/imageio-reference/src/test/java/com/twelvemonkeys/imageio/reference/PNGImageReaderTest.java

@@ -1,5 +1,6 @@
 package com.twelvemonkeys.imageio.reference;
 
+import com.twelvemonkeys.imageio.util.IIOUtil;
 import com.twelvemonkeys.imageio.util.ImageReaderAbstractTest;
 import org.junit.Test;
 
@@ -23,18 +24,7 @@ import static org.junit.Assume.assumeNoException;
  * @version $Id: PNGImageReaderTest.java,v 1.0 Oct 9, 2009 3:37:25 PM haraldk Exp$
  */
 public class PNGImageReaderTest extends ImageReaderAbstractTest {
-    protected final ImageReaderSpi provider = lookupSpi();
+    private final ImageReaderSpi provider = IIOUtil.lookupProviderByName(IIORegistry.getDefaultInstance(), "com.sun.imageio.plugins.png.PNGImageReaderSpi");
-
-    private ImageReaderSpi lookupSpi() {
-        try {
-            return (ImageReaderSpi) IIORegistry.getDefaultInstance().getServiceProviderByClass(Class.forName("com.sun.imageio.plugins.png.PNGImageReaderSpi"));
-        }
-        catch (ClassNotFoundException e) {
-            assumeNoException(e);
-        }
-
-        return null;
-    }
 
     @Override
     protected List<TestData> getTestData() {

imageio/imageio-thumbsdb/src/main/java/com/twelvemonkeys/imageio/plugins/thumbsdb/ThumbsDBImageReaderSpi.java

@@ -29,6 +29,7 @@
 package com.twelvemonkeys.imageio.plugins.thumbsdb;
 
 import com.twelvemonkeys.imageio.spi.ImageReaderSpiBase;
+import com.twelvemonkeys.imageio.util.IIOUtil;
 import com.twelvemonkeys.io.ole2.CompoundDocument;
 
 import javax.imageio.ImageReader;
@@ -40,6 +41,8 @@ import java.io.IOException;
 import java.util.Iterator;
 import java.util.Locale;
 
+import static com.twelvemonkeys.imageio.util.IIOUtil.lookupProviderByName;
+
 /**
  * ThumbsDBImageReaderSpi
  * <p/>
@@ -75,32 +78,21 @@ public final class ThumbsDBImageReaderSpi extends ImageReaderSpiBase {
     private void maybeInitJPEGProvider() {
         // NOTE: Can't do this from constructor, as ImageIO itself is not initialized yet,
         // and the lookup below will produce a NPE..
-
-        // TODO: A better approach...
-        //       - Could have a list with known working JPEG decoders?
-        //       - System property?
-        //       - Class path lookup of properties file with reader?
-        // This way we could deregister immediately
-
         if (jpegProvider == null) {
-            ImageReaderSpi provider = null;
-            try {
-                Iterator<ImageReaderSpi> providers = getJPEGProviders();
-
-                while (providers.hasNext()) {
-                    provider = providers.next();
-
             // Prefer the one we know
-                    if ("Sun Microsystems, Inc.".equals(provider.getVendorName())) {
+            ImageReaderSpi provider = lookupProviderByName(IIORegistry.getDefaultInstance(), "com.sun.imageio.plugins.jpeg.JPEGImageReaderSpi");
-                        break;
+
-                    }
+            if (provider == null) {
-                }
+                try {
+                    provider = getJPEGProviders().next();
                 }
                 catch (Exception ignore) {
                     // It's pretty safe to assume there's always a JPEG reader out there
                     // In any case, we deregister the provider if there isn't one
                     IIORegistry.getDefaultInstance().deregisterServiceProvider(this, ImageReaderSpi.class);
                 }
+            }
+
             jpegProvider = provider;
         }
     }

imageio/imageio-tiff/src/main/java/com/twelvemonkeys/imageio/plugins/tiff/TIFFImageReader.java

@@ -79,6 +79,9 @@ import java.util.*;
 import java.util.zip.Inflater;
 import java.util.zip.InflaterInputStream;
 
+import static com.twelvemonkeys.imageio.util.IIOUtil.*;
+import static com.twelvemonkeys.imageio.util.IIOUtil.lookupProviderByName;
+
 /**
  * ImageReader implementation for Aldus/Adobe Tagged Image File Format (TIFF).
  * <p/>
@@ -116,7 +119,7 @@ import java.util.zip.InflaterInputStream;
  * @author last modified by $Author: haraldk$
  * @version $Id: TIFFImageReader.java,v 1.0 08.05.12 15:14 haraldk Exp$
  */
-public class TIFFImageReader extends ImageReaderBase {
+public final class TIFFImageReader extends ImageReaderBase {
     // TODOs ImageIO basic functionality:
     // TODO: Thumbnail support
 
@@ -909,8 +912,8 @@ public class TIFFImageReader extends ImageReaderBase {
                             }
                             else {
                                 InputStream adapter = stripTileByteCounts != null
-                                                      ? IIOUtil.createStreamAdapter(imageInput, stripTileByteCounts[i])
+                                                      ? createStreamAdapter(imageInput, stripTileByteCounts[i])
-                                                      : IIOUtil.createStreamAdapter(imageInput);
+                                                      : createStreamAdapter(imageInput);
 
                                 adapter = createDecompressorStream(compression, stripTileWidth, numBands, adapter);
                                 adapter = createUnpredictorStream(predictor, stripTileWidth, numBands, getBitsPerSample(), adapter, imageInput.getByteOrder());
@@ -1247,7 +1250,7 @@ public class TIFFImageReader extends ImageReaderBase {
                                 try (ImageInputStream stream = ImageIO.createImageInputStream(new SequenceInputStream(Collections.enumeration(
                                         Arrays.asList(
                                                 createJFIFStream(destRaster.getNumBands(), stripTileWidth, stripTileHeight, qTables, dcTables, acTables),
-                                                IIOUtil.createStreamAdapter(imageInput, stripTileByteCounts != null
+                                                createStreamAdapter(imageInput, stripTileByteCounts != null
                                                                                         ? (int) stripTileByteCounts[i]
                                                                                         : Short.MAX_VALUE),
                                                 new ByteArrayInputStream(new byte[] {(byte) 0xff, (byte) 0xd9}) // EOI
@@ -1361,19 +1364,18 @@ public class TIFFImageReader extends ImageReaderBase {
         return false;
     }
 
-    private ImageReader createJPEGDelegate() throws IIOException {
+    private ImageReader createJPEGDelegate() throws IOException {
         // TIFF is strictly ISO JPEG, so we should probably stick to the standard reader
-        try {
+        ImageReaderSpi jpegProvider = lookupProviderByName(IIORegistry.getDefaultInstance(), "com.sun.imageio.plugins.jpeg.JPEGImageReaderSpi");
-            @SuppressWarnings("unchecked")
+
-            Class<ImageReader> readerClass = (Class<ImageReader>) Class.forName("com.sun.imageio.plugins.jpeg.JPEGImageReader");
+        if (jpegProvider != null) {
-            Constructor<ImageReader> constructor = readerClass.getConstructor(ImageReaderSpi.class);
+            return jpegProvider.createReaderInstance();
-            return constructor.newInstance(getOriginatingProvider());
-        }
-        catch (ClassNotFoundException | NoSuchMethodException | InvocationTargetException | InstantiationException | IllegalAccessException ignore) {
-            if (DEBUG) {
-                ignore.printStackTrace();
         }
+
         // Fall back to default reader below
+        if (DEBUG) {
+            System.err.println("Could not create " + "com.sun.imageio.plugins.jpeg.JPEGImageReader"
+                    + ", falling back to default JPEG capable ImageReader");
         }
 
         // If we can't get the standard reader, fall back to the default (first) reader
@@ -2286,15 +2288,10 @@ public class TIFFImageReader extends ImageReaderBase {
 
     private static void deregisterOSXTIFFImageReaderSpi() {
         IIORegistry registry = IIORegistry.getDefaultInstance();
-        Iterator<ImageReaderSpi> providers = registry.getServiceProviders(ImageReaderSpi.class, new ServiceRegistry.Filter() {
+        ImageReaderSpi provider = lookupProviderByName(registry, "com.sun.imageio.plugins.tiff.TIFFImageReaderSpi");
-            public boolean filter(Object provider) {
-                return provider.getClass().getName().equals("com.sun.imageio.plugins.tiff.TIFFImageReaderSpi");
-            }
-        }, false);
 
-        while (providers.hasNext()) {
+        if (provider != null) {
-            ImageReaderSpi next = providers.next();
+            registry.deregisterServiceProvider(provider);
-            registry.deregisterServiceProvider(next);
         }
     }
 }

imageio/imageio-tiff/src/main/java/com/twelvemonkeys/imageio/plugins/tiff/TIFFImageReaderSpi.java

@@ -45,7 +45,7 @@ import java.util.Locale;
  * @author last modified by $Author: haraldk$
  * @version $Id: TIFFImageReaderSpi.java,v 1.0 08.05.12 15:14 haraldk Exp$
  */
-public class TIFFImageReaderSpi extends ImageReaderSpiBase {
+public final class TIFFImageReaderSpi extends ImageReaderSpiBase {
     /**
      * Creates a {@code TIFFImageReaderSpi}.
      */

imageio/imageio-tiff/src/main/java/com/twelvemonkeys/imageio/plugins/tiff/TIFFImageWriter.java

@@ -99,7 +99,7 @@ public final class TIFFImageWriter extends ImageWriterBase {
     // Use sensible defaults for compression based on input? None is sensible... :-)
     // Support resolution, resolution unit and software tags from ImageIO metadata
 
-    public static final Rational STANDARD_DPI = new Rational(72);
+    private static final Rational STANDARD_DPI = new Rational(72);
 
     /**
      * Flag for active sequence writing