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/*
* $Id$
* Copyright (C) 2001 The Apache Software Foundation. All rights reserved.
* For details on use and redistribution please refer to the
* LICENSE file included with these sources.
*/
package org.apache.fop.image.analyser;
// Java
import java.io.InputStream;
import java.io.BufferedInputStream;
import java.io.IOException;
import java.util.ArrayList;
import org.apache.fop.image.FopImage;
import org.apache.fop.fo.FOUserAgent;
/**
* Factory for ImageReader objects.
* @author Pankaj Narula
* @version 1.0
*/
public class ImageReaderFactory {
static protected ArrayList formats = new ArrayList();
static {
formats.add(new JPEGReader());
formats.add(new BMPReader());
formats.add(new GIFReader());
formats.add(new PNGReader());
formats.add(new TIFFReader());
formats.add(new EPSReader());
// the xml parser through batik closes the stream when finished
// so there is a workaround in the SVGReader
formats.add(new SVGReader());
formats.add(new XMLReader());
};
// TODO - a way to add other readers
/**
* ImageReader maker.
* @param in image input stream
* @return ImageReader object
* image type is not supported
*/
static public FopImage.ImageInfo make(String uri, InputStream in,
FOUserAgent ua) {
ImageReader reader;
BufferedInputStream bis = new BufferedInputStream(in);
try {
for (int count = 0; count < formats.size(); count++) {
reader = (ImageReader) formats.get(count);
FopImage.ImageInfo info = reader.verifySignature(uri, bis, ua);
if(info != null) {
return info;
}
}
} catch (IOException ex) {
ua.getLogger().error(
"Error while recovering Image Informations (" +
uri + ") : " + ex.getMessage());
}
return null;
}
}
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