Examples of javax.imageio.stream.MemoryCacheImageInputStream$StreamDisposerRecord

javax.imageio.stream.MemoryCacheImageInputStream
An implementation of ImageInputStream that gets its input from a regular InputStream. A memory buffer is used to cache at least the data between the discard position and the current read position.
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.

            // Read remaining data.
            stream.readFully(data, dataOffset, byteCount - 2);


            // Create ImageInputStream.
            ByteArrayInputStream bais = new ByteArrayInputStream(data);
            is = new MemoryCacheImageInputStream(bais);
        } else {
            if(DEBUG) System.out.println("Reading complete stream.");
            // The current strip or tile is a complete JPEG stream.
            is = stream;
        }

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        int numBands = sm.getNumBands();
        int[] sampleSize = sm.getSampleSize();


        // Initialize input stream.
        ByteArrayInputStream is = new ByteArrayInputStream(buf);
        ImageInputStream iis = new MemoryCacheImageInputStream(is);


        // Reformat.
        long iisPosition = 0L;
        int y = raster.getMinY();
        for(int j = 0; j < h; j++, y++) {
            iis.seek(iisPosition);
            int x = raster.getMinX();
            for(int i = 0; i < w; i++, x++) {
                for(int b = 0; b < numBands; b++) {
                    long bits = iis.readBits(sampleSize[b]);
                    raster.setSample(x, y, b, (int)bits);
                }
            }
            iisPosition += stride;
        }

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    try {
      /*
       * ImageIO uses an SPI pattern API. We don't care about the particulars of
       * the implementation, so just choose the first ImageReader.
       */
      MemoryCacheImageInputStream input = new MemoryCacheImageInputStream(
          imageUrl.openStream());
      Iterator<ImageReader> it = ImageIO.getImageReaders(input);
      readers : while (it.hasNext()) {
        ImageReader reader = it.next();
        reader.setInput(input);

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                if (source instanceof InputStream) {
                    // Use of the ImageInputStreamAdapter
                    if (isAggressiveInputStreamSupported()) {
                        stream = new ImageInputStreamAdapter((InputStream) source);
                    } else {
                        stream = new MemoryCacheImageInputStream((InputStream) source);
                    }


                    // Image reading
                    reader.setInput(stream);
                    return reader.read(0);

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