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javagxtjai

JAI error when uploading PNG and GIF files

I am new to using JAI and I wrote this simple code to upload images. This code works fine for jpegs but causes error for pngs and gifs.

Here is the code: 

ByteArraySeekableStream byteArraySeekableStream = new ByteArraySeekableStream(content.getData());
ParameterBlock pb = new ParameterBlock();
pb.add(byteArraySeekableStream);
BufferedImage originalImage = JAI.create("jpeg", pb).getAsBufferedImage();

This is the error: 

    Error: Cannot decode the image for the type :
Occurs in: com.sun.media.jai.opimage.CodecRIFUtil
java.io.IOException
        at com.sun.media.jai.codecimpl.CodecUtils.toIOException(CodecUtils.java:76)
        at com.sun.media.jai.codecimpl.JPEGImageDecoder.decodeAsRenderedImage(JPEGImageDecoder.java:48)
        at com.sun.media.jai.opimage.CodecRIFUtil.create(CodecRIFUtil.java:88)
        at com.sun.media.jai.opimage.JPEGRIF.create(JPEGRIF.java:43)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:601)
        at javax.media.jai.FactoryCache.invoke(FactoryCache.java:122)
        at javax.media.jai.OperationRegistry.invokeFactory(OperationRegistry.java:1674)
        at javax.media.jai.ThreadSafeOperationRegistry.invokeFactory(ThreadSafeOperationRegistry.java:473)
        at javax.media.jai.registry.RIFRegistry.create(RIFRegistry.java:332)
        at javax.media.jai.RenderedOp.createInstance(RenderedOp.java:819)
        at javax.media.jai.RenderedOp.createRendering(RenderedOp.java:867)
        at javax.media.jai.RenderedOp.getColorModel(RenderedOp.java:2242)
        at javax.media.jai.PlanarImage.getAsBufferedImage(PlanarImage.java:2498)
        at javax.media.jai.PlanarImage.getAsBufferedImage(PlanarImage.java:2546)

Can anyone advice?

Solution

  • Pass in the correct file type to the BufferedImage and it should work.

    PNG
    BufferedImage originalImage = JAI.create("png", pb).getAsBufferedImage();

    GIF
    BufferedImage originalImage = JAI.create("gif", pb).getAsBufferedImage();

    And have a look at this answer to get the file extensions.