jdk/src/java.desktop/share/classes/com/sun/imageio/plugins/tiff/TIFFImageReaderSpi.java
changeset 34416 68c0d866db5d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.desktop/share/classes/com/sun/imageio/plugins/tiff/TIFFImageReaderSpi.java	Mon Nov 23 12:26:12 2015 -0800
@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2005, 2015, 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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.
+ */
+package com.sun.imageio.plugins.tiff;
+
+import java.io.IOException;
+import java.util.Locale;
+import javax.imageio.ImageReader;
+import javax.imageio.spi.ImageReaderSpi;
+import javax.imageio.spi.ServiceRegistry;
+import javax.imageio.stream.ImageInputStream;
+
+public class TIFFImageReaderSpi extends ImageReaderSpi {
+
+    private boolean registered = false;
+
+    public TIFFImageReaderSpi() {
+        super("Oracle Corporation",
+              "1.0",
+              new String[] {"tif", "TIF", "tiff", "TIFF"},
+              new String[] {"tif", "tiff"},
+              new String[] {"image/tiff"},
+              "com.sun.imageio.plugins.tiff.TIFFImageReader",
+              new Class<?>[] { ImageInputStream.class },
+              new String[] {"com.sun.imageio.plugins.tiff.TIFFImageWriterSpi"},
+              false,
+              TIFFStreamMetadata.NATIVE_METADATA_FORMAT_NAME,
+              "com.sun.imageio.plugins.tiff.TIFFStreamMetadataFormat",
+              null, null,
+              true,
+              TIFFImageMetadata.NATIVE_METADATA_FORMAT_NAME,
+              "com.sun.imageio.plugins.tiff.TIFFImageMetadataFormat",
+              null, null
+              );
+    }
+
+    public String getDescription(Locale locale) {
+        return "Standard TIFF image reader";
+    }
+
+    public boolean canDecodeInput(Object input) throws IOException {
+        if (!(input instanceof ImageInputStream)) {
+            return false;
+        }
+
+        ImageInputStream stream = (ImageInputStream)input;
+        byte[] b = new byte[4];
+        stream.mark();
+        stream.readFully(b);
+        stream.reset();
+
+        return ((b[0] == (byte)0x49 && b[1] == (byte)0x49 &&
+                 b[2] == (byte)0x2a && b[3] == (byte)0x00) ||
+                (b[0] == (byte)0x4d && b[1] == (byte)0x4d &&
+                 b[2] == (byte)0x00 && b[3] == (byte)0x2a));
+    }
+
+    public ImageReader createReaderInstance(Object extension) {
+        return new TIFFImageReader(this);
+    }
+
+    public void onRegistration(ServiceRegistry registry,
+                               Class<?> category) {
+        if (registered) {
+            return;
+        }
+
+        registered = true;
+    }
+}