Examples of org.apache.batik.util.svg.Base64Decoder

org.apache.batik.util.svg.Base64Decoder

This class implements a Base64 Character decoder as specified in RFC1113. Unlike some other encoding schemes there is nothing in this encoding that tells the decoder where a buffer starts or stops, so to use it you will need to isolate your encoded data into a single chunk and then feed them this decoder. The simplest way to do that is to read all of the encoded data into a string and then use:

 byte	mydata[]; Base64Decoder base64 = new Base64Decoder(); mydata = base64.decodeBuffer(bufferString);

This will decode the String in bufferString and give you an array of bytes in the array myData. On errors, this class throws a IOException with the following detail strings:

 "Base64Decoder: Bad Padding byte (2)." "Base64Decoder: Bad Padding byte (1)."

@author Vincent Hardy @author Chuck McManis @version $Id: Base64Decoder.java,v 1.1 2000/11/14 00:19:00 vhardy Exp $ @see CharacterEncoder @see Base64Decoder

            int start = dataUrl.indexOf(BASE64);
            if(start > 0){
                start += BASE64.length();
            }
            String imageData = dataUrl.substring(start);
            Base64Decoder decoder = new Base64Decoder();
            byte imageBuffer[] = null;
            try{
                imageBuffer = decoder.decodeBuffer(imageData);
            }catch(EOFException e){
                //System.out.println("Done decoding Base64 data");
            }
            Image decodedImage = Toolkit.getDefaultToolkit().createImage(imageBuffer);
            MediaTracker tracker = new MediaTracker(mediaComponent);

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