Package com.drew.metadata.exif

Examples of com.drew.metadata.exif.ExifDirectory

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    }

    public void testUnicodeComment_ActualBytes() throws Exception
    {
        byte[] commentBytes = new byte[] { 85, 78, 73, 67, 79, 68, 69, 0, 84, 0, 104, 0, 105, 0, 115, 0, 32, 0, 109, 0, 97, 0, 114, 0, 109, 0, 111, 0, 116, 0, 32, 0, 105, 0, 115, 0, 32, 0, 103, 0, 101, 0, 116, 0, 116, 0, 105, 0, 110, 0, 103, 0, 32, 0, 99, 0, 108, 0, 111, 0, 115, 0, 101, 0, 46, 0, 46, 0, 46, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0, 32, 0 };
        ExifDirectory directory = new ExifDirectory();
        directory.setByteArray(ExifDirectory.TAG_USER_COMMENT, commentBytes);
        ExifDescriptor descriptor = new ExifDescriptor(directory);
        assertEquals("This marmot is getting close...", descriptor.getDescription(ExifDirectory.TAG_USER_COMMENT));
    }
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    }

    public void testUnicodeComment_Ascii() throws Exception
    {
        byte[] commentBytes = new byte[] { 65, 83, 67, 73, 73, 0, 0, 0, 73, 32, 97, 109, 32, 97, 32, 99, 111, 109, 109, 101, 110, 116, 46, 32, 89, 101, 121, 46, 0 };
        ExifDirectory directory = new ExifDirectory();
        directory.setByteArray(ExifDirectory.TAG_USER_COMMENT, commentBytes);
        ExifDescriptor descriptor = new ExifDescriptor(directory);
        assertEquals("I am a comment. Yey.", descriptor.getDescription(ExifDirectory.TAG_USER_COMMENT));
    }
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    public void testGetThumbnailData() throws Exception
    {
        File file = new File("src/com/drew/metadata/exif/test/withExif.jpg");
        Metadata metadata = JpegMetadataReader.readMetadata(file);
        ExifDirectory exifDirectory = (ExifDirectory)metadata.getDirectory(ExifDirectory.class);
        assertTrue(exifDirectory.containsTag(ExifDirectory.TAG_THUMBNAIL_DATA));
        byte[] thumbData = exifDirectory.getThumbnailData();
        try {
            // attempt to read the thumbnail -- it should be a legal Jpeg file
            new JpegSegmentReader(thumbData);
        } catch (JpegProcessingException e) {
            fail("Unable to construct JpegSegmentReader from thumbnail data");
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    public void testWriteThumbnail() throws Exception
    {
        File file = new File("src/com/drew/metadata/exif/test/manuallyAddedThumbnail.jpg");
        Metadata metadata = JpegMetadataReader.readMetadata(file);
        ExifDirectory exifDirectory = (ExifDirectory)metadata.getDirectory(ExifDirectory.class);
        assertTrue(exifDirectory.containsTag(ExifDirectory.TAG_THUMBNAIL_DATA));

        File thumbnailFile = File.createTempFile("thumbnail", ".jpg");
        try {
            exifDirectory.writeThumbnail(thumbnailFile.getAbsolutePath());
            assertTrue(new File(thumbnailFile.getAbsolutePath()).exists());
        } finally {
            thumbnailFile.delete();
        }
    }
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        }
    }

    public void testContainsThumbnail()
    {
        ExifDirectory exifDirectory = new ExifDirectory();

        assertTrue(!exifDirectory.containsThumbnail());

        exifDirectory.setObject(ExifDirectory.TAG_THUMBNAIL_DATA, "foo");

        assertTrue(exifDirectory.containsThumbnail());
    }
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            }
        }

        if (args.length>1 && args[1].trim().equals("/thumb"))
        {
            ExifDirectory directory = (ExifDirectory)metadata.getDirectory(ExifDirectory.class);
            if (directory.containsThumbnail())
            {
                System.out.println("Writing thumbnail...");
                directory.writeThumbnail(args[0].trim() + ".thumb.jpg");
            }
            else
            {
                System.out.println("No thumbnail data exists in this image");
            }
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        try {
            metadata = JpegMetadataReader.readMetadata( f );
        } catch (FileNotFoundException ex) {
            ex.printStackTrace();
        }
        ExifDirectory exif = null;
        if ( metadata != null && metadata.containsDirectory( ExifDirectory.class ) ) {
            try {
                exif = (ExifDirectory) metadata.getDirectory( ExifDirectory.class );
                byte[] thumbData = exif.getThumbnailData();
                if ( thumbData != null ) {
                    ByteArrayInputStream bis = new ByteArrayInputStream( thumbData );
                    try {
                        bi = ImageIO.read( bis );
                    } catch (IOException ex) {
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        assertFalse(new ImageMetadataExtractor.ExifHandler().supports(Directory.class));
        assertFalse(new ImageMetadataExtractor.ExifHandler().supports(JpegCommentDirectory.class));
    }
   
    public void testExifHandlerParseDate() throws MetadataException {
        ExifDirectory exif = mock(ExifDirectory.class);
        when(exif.containsTag(ExifDirectory.TAG_DATETIME_ORIGINAL)).thenReturn(true);
        when(exif.getDate(ExifDirectory.TAG_DATETIME_ORIGINAL)).thenReturn(
                new GregorianCalendar(2000, 0, 1, 0, 0, 0).getTime()); // jvm default timezone as in Metadata Extractor
        Metadata metadata = new Metadata();
       
        new ImageMetadataExtractor.ExifHandler().handle(exif, metadata);
        assertEquals("Should be ISO date without time zone", "2000-01-01T00:00:00",
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        assertEquals("Should be ISO date without time zone", "2000-01-01T00:00:00",
                metadata.get(TikaCoreProperties.CREATED));
    }

    public void testExifHandlerParseDateFallback() throws MetadataException {
        ExifDirectory exif = mock(ExifDirectory.class);
        when(exif.containsTag(ExifDirectory.TAG_DATETIME)).thenReturn(true);
        when(exif.getDate(ExifDirectory.TAG_DATETIME)).thenReturn(
                new GregorianCalendar(1999, 0, 1, 0, 0, 0).getTime()); // jvm default timezone as in Metadata Extractor
        Metadata metadata = new Metadata();
       
        new ImageMetadataExtractor.ExifHandler().handle(exif, metadata);
        assertEquals("Should try EXIF Date/Time if Original is not set", "1999-01-01T00:00:00",
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        assertEquals("Should try EXIF Date/Time if Original is not set", "1999-01-01T00:00:00",
                metadata.get(TikaCoreProperties.CREATED));
    }
   
    public void testExifHandlerParseDateError() throws MetadataException {
        ExifDirectory exif = mock(ExifDirectory.class);
        when(exif.containsTag(ExifDirectory.TAG_DATETIME_ORIGINAL)).thenReturn(true);
        when(exif.getDate(ExifDirectory.TAG_DATETIME_ORIGINAL)).thenThrow(
                new MetadataException("Tag 'X' cannot be cast to a java.util.Date."));
        Metadata metadata = new Metadata();
       
        new ImageMetadataExtractor.ExifHandler().handle(exif, metadata);
        assertEquals("Parsing should proceed without date", null,
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Related Classes of com.drew.metadata.exif.ExifDirectory

  • com.drew.imaging.ImageMetadataReader
  • com.drew.imaging.jpeg.JpegMetadataReader
  • com.drew.metadata.exif.test.ExifDescriptorTest
  • com.drew.metadata.exif.test.ExifDirectoryTest
  • de.offis.faint.model.ImageModel
  • net.sourceforge.gpstools.exif.MetadataExtractorExifReader
  • org.apache.tika.parser.image.ImageMetadataExtractorTest
  • org.photovault.image.ImageIOImage
  • java.io.FileOutputStream
  • com.drew.metadata.MetadataException
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