Package com.drew.metadata.exif

Examples of com.drew.metadata.exif.ExifReader

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        }

        // Loop through all APP1 segments, checking the leading bytes to identify the format of each.
        for (byte[] app1Segment : segmentReader.getSegments(JpegSegmentReader.SEGMENT_APP1)) {
            if (app1Segment.length > 3 && "EXIF".equalsIgnoreCase(new String(app1Segment, 0, 4)))
                new ExifReader().extract(new ByteArrayReader(app1Segment), metadata);

            if (app1Segment.length > 27 && "http://ns.adobe.com/xap/1.0/".equalsIgnoreCase(new String(app1Segment, 0, 28)))
                new XmpReader().extract(new ByteArrayReader(app1Segment), metadata);
        }
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        Metadata metadata = new Metadata();

        RandomAccessFile randomAccessFile = new RandomAccessFile(file, "r");

        try {
        new ExifReader().extractTiff(new RandomAccessFileReader(randomAccessFile), metadata);
        } finally {
            randomAccessFile.close();
        }

        return metadata;
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        // TODO do this in chunks rather than byte-by-byte, and honour 'waitForBytes'
        while((b = inputStream.read()) != -1) {
            out.write(b);
        }
        Metadata metadata = new Metadata();
        new ExifReader().extractTiff(new ByteArrayReader(out.toByteArray()), metadata);
        return metadata;
    }
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        //
        // This currently only applies to JPEG file processing.
        //
        try {
            // We are only interested in handling
            Iterable<JpegSegmentMetadataReader> readers = Arrays.asList(new ExifReader(), new IptcReader());

            Metadata metadata = JpegMetadataReader.readMetadata(file, readers);

            print(metadata);
        } catch (JpegProcessingException e) {
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    {
        Metadata metadata = new Metadata();
        RandomAccessFile randomAccessFile = new RandomAccessFile(file, "r");

        try {
            new ExifReader().extractTiff(new RandomAccessFileReader(randomAccessFile), metadata);
        } finally {
            randomAccessFile.close();
        }

        return metadata;
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        // TIFF processing requires random access, as directories can be scattered throughout the byte sequence.
        // InputStream does not support seeking backwards, and so is not a viable option for TIFF processing.
        // We use RandomAccessStreamReader, which buffers data from the stream as we seek forward.

        Metadata metadata = new Metadata();
        new ExifReader().extractTiff(new RandomAccessStreamReader(inputStream), metadata);
        return metadata;
    }
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                segmentReader = new JpegSegmentReader(new ByteArrayInputStream(b));

                final byte[] exifSegment = segmentReader.readSegment(JpegSegmentReader.SEGMENT_APP1);
                final byte[] iptcSegment = segmentReader.readSegment(JpegSegmentReader.SEGMENT_APPD);
                final Metadata metadata = new Metadata();
                new ExifReader(exifSegment).extract(metadata);
                new IptcReader(iptcSegment).extract(metadata);

                @SuppressWarnings("unchecked")
                final
                Iterator<Directory> directories = metadata.getDirectoryIterator();
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            JpegSegmentReader segmentReader = new JpegSegmentReader(file);
            byte[] exifSegment = segmentReader.readSegment(JpegSegmentReader.SEGMENT_APP1);
            byte[] iptcSegment = segmentReader.readSegment(JpegSegmentReader.SEGMENT_APPD);
            Metadata metadata = new Metadata();
            if (exifSegment != null)
                new ExifReader().extract(new ByteArrayReader(exifSegment), metadata);
            if (iptcSegment != null)
                new IptcReader().extract(new ByteArrayReader(iptcSegment), metadata);
            printImageTags(3, metadata);
        } catch (JpegProcessingException e) {
            System.err.println("error 3a: " + e);
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        Assert.assertNotNull(iptcData);
        Assert.assertNotNull(exifData);
        Assert.assertTrue("exif data too short", exifData.length > 4);
        // TODO extracting the data doesn't mean anything in this test case...
        Metadata metadata = new Metadata();
        new ExifReader().extract(new ByteArrayReader(exifData), metadata);
        new IptcReader().extract(new ByteArrayReader(iptcData), metadata);
        Assert.assertEquals("Exif", new String(exifData, 0, 4));
    }
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  private ExifIFD0Directory getExifDirectory(Node node) {
    if ("unknown".equals(node.getNodeName())) {
      if (Integer.parseInt(node.getAttributes().getNamedItem("MarkerTag").getNodeValue()) == EXIF) {
      ByteArrayReader reader = new ByteArrayReader((byte[]) ((IIOMetadataNode) node).getUserObject());
      Metadata metadata = new Metadata();
      new ExifReader().extract(reader, metadata);
      return metadata.getDirectory(ExifIFD0Directory.class);
      }
    }

    Node child = node.getFirstChild();
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Related Classes of com.drew.metadata.exif.ExifReader

  • com.drew.imaging.jpeg.JpegMetadataReader
  • com.drew.imaging.jpeg.JpegSegmentReader
  • com.drew.imaging.jpeg.JpegSegmentReaderTest
  • com.drew.imaging.jpeg.test.JpegSegmentReaderTest
  • com.drew.imaging.tiff.TiffMetadataReader
  • com.drew.imaging.tiff.TiffReader
  • com.drew.lang.ByteArrayReader
  • com.drew.lang.Rational
  • com.drew.metadata.Directory
  • com.drew.metadata.exif.test.ExifDescriptorTest
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