--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/servlet/src/digilib/io/ImageCacheStream.java	Thu Jan 06 20:42:29 2011 +0100
@@ -0,0 +1,49 @@
+/**
+ * 
+ */
+package digilib.io;
+
+import java.io.InputStream;
+
+import javax.imageio.stream.ImageInputStream;
+import javax.imageio.stream.MemoryCacheImageInputStream;
+
+/**
+ * @author casties
+ *
+ */
+public class ImageCacheStream extends ImageStream {
+
+    public ImageCacheStream(InputStream stream, String mimeType) {
+        super(stream, mimeType);
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see digilib.io.ImageInput#hasImageInputStream()
+     */
+    @Override
+    public boolean hasImageInputStream() {
+        return true;
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see digilib.io.ImageInput#getImageInputStream()
+     */
+    @Override
+    public ImageInputStream getImageInputStream() {
+        /*
+         * TODO: which type of stream backing? 
+         * In general, it is preferable to
+         * use a FileCacheImageInputStream when reading from a regular
+         * InputStream. This class is provided for cases where it is not
+         * possible to create a writable temporary file.
+         */
+        ImageInputStream iis = new MemoryCacheImageInputStream(this.stream);
+        return iis;
+    }
+
+}