Examples of com.sun.media.jai.codec.MemoryCacheSeekableStream

com.sun.media.jai.codec.MemoryCacheSeekableStream
A subclass of SeekableStream that may be used to wrap a regular InputStream. Seeking backwards is supported by means of an in-memory cache. For greater efficiency, FileCacheSeekableStream should be used in circumstances that allow the creation of a temporary file.
The mark() and reset() methods are supported.
This class is not a committed part of the JAI API. It may be removed or changed in future releases of JAI.

        InputStream stream = null;
        RenderedImage rendering = null;
        try {
            URL url = new URL(buf.toString());
            stream = url.openStream();
            MemoryCacheSeekableStream sStream =
                new MemoryCacheSeekableStream(stream);
            rendering = JAI.create(format, sStream);
        } catch(Exception e) {
            String message =
                JaiI18N.getString("IIPCRIF7") + " " + buf.toString();
            listener.errorOccurred(message,

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/*  792 */     InputStream stream = null;
/*  793 */     RenderedImage rendering = null;
/*      */     try {
/*  795 */       URL url = new URL(buf.toString());
/*  796 */       stream = url.openStream();
/*  797 */       MemoryCacheSeekableStream sStream = new MemoryCacheSeekableStream(stream);
/*      */ 
/*  799 */       rendering = JAI.create(format, sStream);
/*      */     } catch (Exception e) {
/*  801 */       String message = JaiI18N.getString("IIPCRIF7") + " " + buf.toString();
/*      */

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                }
                // commonly supported with this
                // mime type, even though it's not
                // an IANA-registered image type
                return JAI.create("stream",
                                  new MemoryCacheSeekableStream(response
                                          .getEntity().getContent()))
                        .getAsBufferedImage();
            } else {
                throw new ServletException("Source image was not a gif, png, "
                        + "bmp, tiff, or jpg.");

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    public void setContent(InputStream data) throws IOException {
        try {
            ImageIcon image =
                    new ImageIcon(JAI
                            .create("stream",
                                    new MemoryCacheSeekableStream(data))
                            .getAsBufferedImage());
            if (m_pane == null) {
                m_label = new JLabel(image);
                m_pane = new JScrollPane(m_label);
            } else {

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          float scale = ImageStyleUtils.getScale(originalWidth, originalHeight, imageStyle);
          int scaledWidth = (int) Math.round(originalWidth * scale) - (int) ImageStyleUtils.getCropX(Math.round(originalWidth * scale), Math.round(originalHeight * scale), imageStyle);
          int scaledHeight = (int) Math.round(originalHeight * scale) - (int) ImageStyleUtils.getCropY(Math.round(originalWidth * scale), Math.round(originalHeight * scale), imageStyle);


          // Load the image from the given input stream
          seekableInputStream = new MemoryCacheSeekableStream(response.getEntity().getContent());
          RenderedOp image = JAI.create("stream", seekableInputStream);
          if (image == null)
            throw new IOException("Error reading image from input stream");


          // Get the original image size

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          float scale = ImageStyleUtils.getScale(originalWidth, originalHeight, style);
          int scaledWidth = (int) Math.round(originalWidth * scale) - (int) ImageStyleUtils.getCropX(Math.round(originalWidth * scale), Math.round(originalHeight * scale), style);
          int scaledHeight = (int) Math.round(originalHeight * scale) - (int) ImageStyleUtils.getCropY(Math.round(originalWidth * scale), Math.round(originalHeight * scale), style);


          // Load the image from the given input stream
          seekableInputStream = new MemoryCacheSeekableStream(response.getEntity().getContent());
          RenderedOp image = JAI.create("stream", seekableInputStream);
          if (image == null)
            throw new IOException("Error reading image from input stream");


          // Get the actual image size

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    content.setCreator(user);


    // Set the creation date
    content.setCreationDate(new Date());


    MemoryCacheSeekableStream mcss = new MemoryCacheSeekableStream(is);
    UnclosableInputStream bis = new UnclosableInputStream(mcss);


    // Read the Exif metadata (if available)
    try {
      readExifMetadata(content, bis);
    } catch (Throwable t) {
      logger.warn("Error extracting Exif metadata from {}: {}", fileName, t.getMessage());
    }


    // Read the JAI metadata
    if (content.getWidth() <= 0 || content.getHeight() <= 0) {
      try {
        mcss.seek(0);
        readJAIMetadata(content, mcss);
      } catch (Throwable t) {
        logger.warn("Error extracting metadata using java advanced imaging (jai) from {}: {}", fileName, t.getMessage());
        throw new IOException(t);
      } finally {

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   * @param is
   *          the input stream
   * @return the image metadata
   */
  protected RenderedOp readJAIMetadata(ImageContent content, InputStream is) {
    MemoryCacheSeekableStream imageInputStream = new MemoryCacheSeekableStream(is);
    RenderedOp jaiMetadata = JAI.create("stream", imageInputStream);


    if (jaiMetadata == null)
      return null;

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        JAIPreviewGenerator previewGenerator = new JAIPreviewGenerator();
        previewGenerator.createPreview(resource, Environment.Development, LanguageUtils.getLanguage("en"), style, null, is, bos);


        // Read the image back in
        bis = new ByteArrayInputStream(bos.toByteArray());
        SeekableStream seekableInputStream = new MemoryCacheSeekableStream(bis);
        RenderedOp image = JAI.create("stream", seekableInputStream);


        // Test width and height
        switch (style.getScalingMode()) {
          case Box:

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ch.entwine.weblounge.preview.jai.JAIPreviewGeneratorTest

ch.entwine.weblounge.test.harness.content.ImagesTest

ch.entwine.weblounge.test.harness.rest.PreviewsEndpointTest

com.sun.media.jai.opimage.IIPCRIF

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java.io.IOException

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