Package com.drew.metadata.iptc

Examples of com.drew.metadata.iptc.IptcReader

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                byte[] exifSegment = segmentReader.readSegment(JpegSegmentReader.SEGMENT_APP1);
                byte[] iptcSegment = segmentReader.readSegment(JpegSegmentReader.SEGMENT_APPD);
                Metadata metadata = new Metadata();
                new ExifReader(exifSegment).extract(metadata);
                new IptcReader(iptcSegment).extract(metadata);
               
                @SuppressWarnings("unchecked")
                Iterator<Directory> directories = metadata.getDirectoryIterator();
                HashMap<String, String> props = new HashMap<String, String>();
                while (directories.hasNext()) {
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    }

    public void testDescription_City() throws Exception
    {
        File iptcFile = new File("src/com/drew/metadata/iptc/test/withIptc.jpg");
        MetadataReader reader = new IptcReader(iptcFile);
        Metadata metadata = reader.extract();
        assertTrue(metadata.containsDirectory(IptcDirectory.class));
        Directory directory = metadata.getDirectory(IptcDirectory.class);
        assertEquals("City", directory.getDescription(IptcDirectory.TAG_CITY));
    }
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    }

    public void testDescription_Caption() throws Exception
    {
        File iptcFile = new File("src/com/drew/metadata/iptc/test/withIptc.jpg");
        MetadataReader reader = new IptcReader(iptcFile);
        Metadata metadata = reader.extract();
        assertTrue(metadata.containsDirectory(IptcDirectory.class));
        Directory directory = metadata.getDirectory(IptcDirectory.class);
        assertEquals("Caption", directory.getDescription(IptcDirectory.TAG_CAPTION));
    }
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    }

    public void testDescription_Category() throws Exception
    {
        File iptcFile = new File("src/com/drew/metadata/iptc/test/withIptc.jpg");
        MetadataReader reader = new IptcReader(iptcFile);
        Metadata metadata = reader.extract();
        assertTrue(metadata.containsDirectory(IptcDirectory.class));
        Directory directory = metadata.getDirectory(IptcDirectory.class);
        assertEquals("Supl. Category2 Supl. Category1 Cat", directory.getDescription(IptcDirectory.TAG_CATEGORY));
    }
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            // TODO lodge error message within exif directory?
        }

        try {
            byte[] iptcSegment = segmentReader.readSegment(JpegSegmentReader.SEGMENT_APPD);
            new IptcReader(iptcSegment).extract(metadata);
        } catch (JpegProcessingException e) {
            // TODO lodge error message within iptc directory?
        }

    try {
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        }

        // similarly, use only the first IPTC segment
        byte[][] iptcSegment = decodeParam.getMarkerData(JPEGDecodeParam.APPD_MARKER);
        if (iptcSegment != null && iptcSegment[0].length>0) {
            new IptcReader(iptcSegment[0]).extract(metadata);
        }

        // NOTE: Unable to utilise JpegReader for the SOF0 frame here, as the decodeParam doesn't contain the byte[]

        // similarly, use only the first Jpeg Comment segment
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        // to read a file.  This is less efficient than approach 1, as the file
        // is opened and read twice.
        try {
            Metadata metadata = new Metadata();
            new ExifReader(jpegFile).extract(metadata);
            new IptcReader(jpegFile).extract(metadata);
            printImageTags(2, metadata);
        } catch (JpegProcessingException jpe) {
            System.err.println("error 2a");
        }

        // Approach 3
        // As fast as approach 1 (this is what goes on inside the JpegMetadataReader's
        // readMetadata() method), this code is handy if you want to look into other
        // Jpeg segments too.
        try {
            JpegSegmentReader segmentReader = new JpegSegmentReader(jpegFile);
            byte[] exifSegment = segmentReader.readSegment(JpegSegmentReader.SEGMENT_APP1);
            byte[] iptcSegment = segmentReader.readSegment(JpegSegmentReader.SEGMENT_APPD);
            Metadata metadata = new Metadata();
            new ExifReader(exifSegment).extract(metadata);
            new IptcReader(iptcSegment).extract(metadata);
            printImageTags(3, metadata);
        } catch (JpegProcessingException jpe) {
            System.err.println("error 3a");
        }
       
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    {
        byte[] iptcData = reader.readSegment(JpegSegmentReader.SEGMENT_APPD);
        byte[] exifData = reader.readSegment(JpegSegmentReader.SEGMENT_APP1);
        assertTrue("exif data too short", exifData.length > 4);
        new ExifReader(exifData).extract();
        new IptcReader(iptcData).extract();
        assertEquals("Exif", new String(exifData, 0, 4));
    }
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        for (byte[] appdSegment : segmentReader.getSegments(JpegSegmentReader.SEGMENT_APPD)) {
            if (appdSegment.length > 12 && "Photoshop 3.0".compareTo(new String(appdSegment, 0, 13))==0) {
                new PhotoshopReader().extract(new ByteArrayReader(appdSegment), metadata);
            } else {
                // TODO might be able to check for a leading 0x1c02 for IPTC data...
                new IptcReader().extract(new ByteArrayReader(appdSegment), metadata);
            }
        }

        // Loop through all APPE segments, checking the leading bytes to identify the format of each.
        for (byte[] appeSegment : segmentReader.getSegments(JpegSegmentReader.SEGMENT_APPE)) {
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                directory.setByteArray(tagType, tagBytes);

                // TODO allow rebasing the reader with a new zero-point, rather than copying data here
                if (tagType == PhotoshopDirectory.TAG_PHOTOSHOP_IPTC)
                    new IptcReader().extract(new ByteArrayReader(tagBytes), metadata);

                if (tagType >= 0x0fa0 && tagType <= 0x1387)
                    PhotoshopDirectory._tagNameMap.put(tagType, String.format("Plug-in %d Data", tagType - 0x0fa0 + 1));
            } catch (BufferBoundsException ex) {
                directory.addError(ex.getMessage());
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Related Classes of com.drew.metadata.iptc.IptcReader

  • com.drew.imaging.jpeg.JpegMetadataReader
  • com.drew.imaging.jpeg.JpegSegmentReader
  • com.drew.imaging.jpeg.JpegSegmentReaderTest
  • com.drew.imaging.jpeg.test.JpegSegmentReaderTest
  • com.drew.lang.SequentialByteArrayReader
  • com.drew.metadata.Directory
  • com.drew.metadata.iptc.test.IptcReaderTest
  • com.drew.metadata.Metadata
  • com.drew.metadata.photoshop.PhotoshopReader
  • com.drew.metadata.SampleUsage
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