1 files changed, 115 insertions, 0 deletions
diff --git a/awt/javax/imageio/stream/FileImageInputStream.java b/awt/javax/imageio/stream/FileImageInputStream.java
new file mode 100644
index 0000000..6680ae0
--- /dev/null
+++ b/awt/javax/imageio/stream/FileImageInputStream.java
@@ -0,0 +1,115 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+
+package javax.imageio.stream;
+
+import java.io.IOException;
+import java.io.RandomAccessFile;
+import java.io.File;
+import java.io.FileNotFoundException;
+
+/**
+ * The FileImageInputStream class implements ImageInputStream 
+ * and obtains its input data from a File or RandomAccessFile. 
+ */
+public class FileImageInputStream extends ImageInputStreamImpl {
+    
+    /** The raf. */
+    RandomAccessFile raf;
+
+    /**
+     * Instantiates a new FileImageInputStream from the specified File.
+     * 
+     * @param f the File of input data.
+     * 
+     * @throws FileNotFoundException if the specified file 
+     * doesn't exist.
+     * @throws IOException Signals that an I/O exception has occurred.
+     */
+    @SuppressWarnings({"DuplicateThrows"})
+    public FileImageInputStream(File f) throws FileNotFoundException, IOException {
+        if (f == null) {
+            throw new IllegalArgumentException("f == null!");
+        }
+
+        raf = new RandomAccessFile(f, "r");
+    }
+
+    /**
+     * Instantiates a new FileImageInputStream from the specified 
+     * RandomAccessFile.
+     * 
+     * @param raf the RandomAccessFile of input data.
+     */
+    public FileImageInputStream(RandomAccessFile raf) {
+        if (raf == null) {
+            throw new IllegalArgumentException("raf == null!");
+        }
+
+        this.raf = raf;
+    }
+
+    @Override
+    public int read() throws IOException {
+        bitOffset = 0;
+
+        int res = raf.read();
+        if (res != -1) {
+            streamPos++;
+        }
+        return res;
+    }
+
+    @Override
+    public int read(byte[] b, int off, int len) throws IOException {
+        bitOffset = 0;
+
+        int numRead = raf.read(b, off, len);
+        if (numRead >= 0) {
+            streamPos += numRead;
+        }
+
+        return numRead;
+    }
+
+    @Override
+    public long length() {
+        try {
+            return raf.length();
+        } catch(IOException e) {
+            return -1L;
+        }
+    }
+
+    @Override
+    public void seek(long pos) throws IOException {
+        if (pos < getFlushedPosition()) {
+            throw new IndexOutOfBoundsException();
+        }
+
+        raf.seek(pos);
+        streamPos = raf.getFilePointer();
+        bitOffset = 0;
+    }
+
+    @Override
+    public void close() throws IOException {
+        super.close();
+        raf.close();
+    }
+}