--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/servlet/src/digilib/image/ImageLoaderImageInfoDocuInfo.java	Tue Aug 26 22:28:43 2003 +0200
@@ -0,0 +1,82 @@
+/* ImageLoaderImageInfoDocuInfo -- DocuInfo implementation using ImageInfo and ImageLoader API
+
+  Digital Image Library servlet components
+
+  Copyright (C) 2003 Robert Casties (robcast@mail.berlios.de)
+
+  This program is free software; you can redistribute  it and/or modify it
+  under  the terms of  the GNU General  Public License as published by the
+  Free Software Foundation;  either version 2 of the  License, or (at your
+  option) any later version.
+   
+  Please read license.txt for the full details. A copy of the GPL
+  may be found at http://www.gnu.org/copyleft/lgpl.html
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+
+ * Created on 11.06.2003
+ */
+package digilib.image;
+
+import ImageInfo;
+
+import java.io.IOException;
+import java.io.RandomAccessFile;
+import java.util.Iterator;
+
+import javax.imageio.ImageIO;
+import javax.imageio.ImageReader;
+import javax.imageio.stream.ImageInputStream;
+
+import digilib.io.DocuFile;
+import digilib.io.FileOps;
+
+/**
+ * @author casties
+ *
+ */
+public class ImageLoaderImageInfoDocuInfo implements DocuInfo {
+
+	/* check image size and type and store in DocuFile f */
+	public boolean checkFile(DocuFile f) throws IOException {
+		RandomAccessFile raf = new RandomAccessFile(f.getFile(), "r");
+		// set up ImageInfo object
+		ImageInfo iif = new ImageInfo();
+		iif.setInput(raf);
+		iif.setCollectComments(false);
+		iif.setDetermineImageNumber(false);
+		// try with ImageInfo first
+		if (iif.check()) {
+			ImageSize d =
+				new ImageSize(iif.getWidth(), iif.getHeight());
+			f.setSize(d);
+			f.setMimetype(iif.getMimeType());
+			raf.close();
+		} else {
+			// else use ImageReader
+			ImageInputStream istream = ImageIO.createImageInputStream(raf);
+			Iterator readers = ImageIO.getImageReaders(istream);
+			//String ext = f.getName().substring(f.getName().lastIndexOf('.')+1);
+			//Iterator readers = ImageIO.getImageReadersBySuffix(ext);
+			ImageReader reader = (ImageReader) readers.next();
+			/* are there more readers? */
+			System.out.println("this reader: " + reader.getClass());
+			while (readers.hasNext()) {
+				System.out.println("next reader: " + readers.next().getClass());
+			}
+			reader.setInput(istream);
+			ImageSize d =
+				new ImageSize(reader.getWidth(0), reader.getHeight(0));
+			f.setSize(d);
+			String t = reader.getFormatName();
+			t = FileOps.mimeForFile(f.getFile());
+			f.setMimetype(t);
+			// dispose the reader to free resources
+			reader.dispose();
+		}
+		return true;
+	}
+
+}