Examples of com.adobe.xmp.XMPMeta

com.adobe.xmp.XMPMeta
This class represents the set of XMP metadata as a DOM representation. It has methods to read and modify all kinds of properties, create an iterator over all properties and serialize the metadata to a String, byte-array or OutputStream. @since 20.01.2006

    public void convert_OOXMLMetadataWithMimetype_everythingConverted() throws XMPException,
            TikaException {
        setupOOXMLMetadata( tikaMetadata );
        tikaMetadata.set( Metadata.CONTENT_TYPE, OOXML_MIMETYPE );


        XMPMeta xmp = TikaToXMP.convert( tikaMetadata );


        checkOOXMLMetadata( xmp );
    }

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    @Test
    public void convert_OOXMLMetadataWithExtraMimetype_everythingConverted() throws XMPException,
            TikaException {
        setupOOXMLMetadata( tikaMetadata );


        XMPMeta xmp = TikaToXMP.convert( tikaMetadata, OOXML_MIMETYPE );


        checkOOXMLMetadata( xmp );
    }

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    @Test
    public void convert_OOXMLMetadataWithoutMimetype_onlyGeneralMetadataconverted()
            throws XMPException, TikaException {
        setupOOXMLMetadata( tikaMetadata );


        XMPMeta xmp = TikaToXMP.convert( tikaMetadata, null );


        // general metadata is converted
        // check simple property
        XMPProperty prop = xmp.getProperty( XMPConst.NS_DC, "language" );
        assertNotNull( prop );
        assertEquals( "language", prop.getValue() );


        // check lang alt
        prop = xmp.getLocalizedText( XMPConst.NS_DC, "title", null, XMPConst.X_DEFAULT );
        assertNotNull( prop );
        assertEquals( "title", prop.getValue() );


        // OOXML one is not, the namespace has also not been registiered as the converter has not
        // been used
        XMPMetaFactory.getSchemaRegistry().registerNamespace( OfficeOpenXMLCore.NAMESPACE_URI,
                OfficeOpenXMLCore.PREFIX );
        prop = xmp.getProperty( OfficeOpenXMLCore.NAMESPACE_URI, "lastModifiedBy" );
        assertNull( prop );
    }

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        // language alternative
        tikaMetadata.set( TikaCoreProperties.TITLE, "title" );
        // array
        tikaMetadata.set( TikaCoreProperties.KEYWORDS, new String[] { "keyword1", "keyword2" } );


        XMPMeta xmp = TikaToXMP.convert( tikaMetadata, null );


        // check simple property
        XMPProperty prop = xmp.getProperty( XMPConst.NS_DC, "format" );
        assertNotNull( prop );
        assertEquals( GENERIC_MIMETYPE, prop.getValue() );


        // check lang alt
        prop = xmp.getLocalizedText( XMPConst.NS_DC, "title", null, XMPConst.X_DEFAULT );
        assertNotNull( prop );
        assertEquals( "title", prop.getValue() );


        // check array
        prop = xmp.getArrayItem( XMPConst.NS_DC, "subject", 1 );
        assertNotNull( prop );
        assertEquals( "keyword1", prop.getValue() );
        prop = xmp.getArrayItem( XMPConst.NS_DC, "subject", 2 );
        assertNotNull( prop );
        assertEquals( "keyword2", prop.getValue() );
    }

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        // unknown prefix
        tikaMetadata.set( "unknown:key", "unknownPrefixValue" );
        // not qualified key
        tikaMetadata.set( "wrongKey", "wrongKeyValue" );


        XMPMeta xmp = TikaToXMP.convert( tikaMetadata, null );


        // XMP is empty
        XMPIterator iter = xmp.iterator();
        assertFalse( iter.hasNext() );
    }

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        }
        else {
            converter = new GenericConverter();
        }


        XMPMeta xmp = null;


        if (converter != null) {
            try {
                xmp = converter.process( tikaMetadata );
            }

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    // --- TESTS ---
    @Test
    public void process_genericConversion_ok() throws TikaException, XMPException {
        xmpMeta.process( tikaMetadata, GENERIC_MIMETYPE );


        XMPMeta xmp = xmpMeta.getXMPData();


        // check simple property
        XMPProperty prop = xmp.getProperty( XMPConst.NS_DC, "format" );
        assertNotNull( prop );
        assertEquals( GENERIC_MIMETYPE, prop.getValue() );


        // check lang alt
        prop = xmp.getLocalizedText( XMPConst.NS_DC, "title", null, XMPConst.X_DEFAULT );
        assertNotNull( prop );
        assertEquals( "title", prop.getValue() );


        // check array
        prop = xmp.getArrayItem( XMPConst.NS_DC, "subject", 1 );
        assertNotNull( prop );
        assertEquals( "keyword1", prop.getValue() );
        prop = xmp.getArrayItem( XMPConst.NS_DC, "subject", 2 );
        assertNotNull( prop );
        assertEquals( "keyword2", prop.getValue() );
    }

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                directory.addError("Unable to read XMP data");
                return;
            }


            // use XMPMetaFactory to create a XMPMeta instance based on the parsed data buffer
            XMPMeta xmpMeta = XMPMetaFactory.parseFromBuffer(xmpBuffer);


            // store the XMPMeta object on the directory in case others wish to use it
            directory.setXMPMeta(xmpMeta);


            // read all the tags and send them to the directory
            // I've added some popular tags, feel free to add more tags
            processXmpTag(xmpMeta, directory, SCHEMA_EXIF_ADDITIONAL_PROPERTIES, "aux:LensInfo", XmpDirectory.TAG_LENS_INFO, FMT_STRING);
            processXmpTag(xmpMeta, directory, SCHEMA_EXIF_ADDITIONAL_PROPERTIES, "aux:Lens", XmpDirectory.TAG_LENS, FMT_STRING);
            processXmpTag(xmpMeta, directory, SCHEMA_EXIF_ADDITIONAL_PROPERTIES, "aux:SerialNumber", XmpDirectory.TAG_CAMERA_SERIAL_NUMBER, FMT_STRING);
            processXmpTag(xmpMeta, directory, SCHEMA_EXIF_ADDITIONAL_PROPERTIES, "aux:Firmware", XmpDirectory.TAG_FIRMWARE, FMT_STRING);


            processXmpTag(xmpMeta, directory, SCHEMA_EXIF_TIFF_PROPERTIES, "tiff:Make", XmpDirectory.TAG_MAKE, FMT_STRING);
            processXmpTag(xmpMeta, directory, SCHEMA_EXIF_TIFF_PROPERTIES, "tiff:Model", XmpDirectory.TAG_MODEL, FMT_STRING);


            processXmpTag(xmpMeta, directory, SCHEMA_EXIF_SPECIFIC_PROPERTIES, "exif:ExposureTime", XmpDirectory.TAG_EXPOSURE_TIME, FMT_STRING);
            processXmpTag(xmpMeta, directory, SCHEMA_EXIF_SPECIFIC_PROPERTIES, "exif:ExposureProgram", XmpDirectory.TAG_EXPOSURE_PROGRAM, FMT_INT);
            processXmpTag(xmpMeta, directory, SCHEMA_EXIF_SPECIFIC_PROPERTIES, "exif:ApertureValue", XmpDirectory.TAG_APERTURE_VALUE, FMT_RATIONAL);
            processXmpTag(xmpMeta, directory, SCHEMA_EXIF_SPECIFIC_PROPERTIES, "exif:FNumber", XmpDirectory.TAG_F_NUMBER, FMT_RATIONAL);
            processXmpTag(xmpMeta, directory, SCHEMA_EXIF_SPECIFIC_PROPERTIES, "exif:FocalLength", XmpDirectory.TAG_FOCAL_LENGTH, FMT_RATIONAL);
            processXmpTag(xmpMeta, directory, SCHEMA_EXIF_SPECIFIC_PROPERTIES, "exif:ShutterSpeedValue", XmpDirectory.TAG_SHUTTER_SPEED, FMT_RATIONAL);


            processXmpDateTag(xmpMeta, directory, SCHEMA_EXIF_SPECIFIC_PROPERTIES, "exif:DateTimeOriginal", XmpDirectory.TAG_DATETIME_ORIGINAL);
            processXmpDateTag(xmpMeta, directory, SCHEMA_EXIF_SPECIFIC_PROPERTIES, "exif:DateTimeDigitized", XmpDirectory.TAG_DATETIME_DIGITIZED);


/*
            // this requires further research
            processXmpTag(xmpMeta, directory, SCHEMA_DUBLIN_CORE_SPECIFIC_PROPERTIES, "dc:title", XmpDirectory.TAG_TITLE, FMT_STRING);
            processXmpTag(xmpMeta, directory, SCHEMA_DUBLIN_CORE_SPECIFIC_PROPERTIES, "dc:subject", XmpDirectory.TAG_SUBJECT, FMT_STRING);
            processXmpDateTag(xmpMeta, directory, SCHEMA_DUBLIN_CORE_SPECIFIC_PROPERTIES, "dc:date", XmpDirectory.TAG_DATE);
            processXmpTag(xmpMeta, directory, SCHEMA_DUBLIN_CORE_SPECIFIC_PROPERTIES, "dc:type", XmpDirectory.TAG_TYPE, FMT_STRING);
            processXmpTag(xmpMeta, directory, SCHEMA_DUBLIN_CORE_SPECIFIC_PROPERTIES, "dc:description", XmpDirectory.TAG_DESCRIPTION, FMT_STRING);
            processXmpTag(xmpMeta, directory, SCHEMA_DUBLIN_CORE_SPECIFIC_PROPERTIES, "dc:relation", XmpDirectory.TAG_RELATION, FMT_STRING);
            processXmpTag(xmpMeta, directory, SCHEMA_DUBLIN_CORE_SPECIFIC_PROPERTIES, "dc:coverage", XmpDirectory.TAG_COVERAGE, FMT_STRING);
            processXmpTag(xmpMeta, directory, SCHEMA_DUBLIN_CORE_SPECIFIC_PROPERTIES, "dc:creator", XmpDirectory.TAG_CREATOR, FMT_STRING);
            processXmpTag(xmpMeta, directory, SCHEMA_DUBLIN_CORE_SPECIFIC_PROPERTIES, "dc:publisher", XmpDirectory.TAG_PUBLISHER, FMT_STRING);
            processXmpTag(xmpMeta, directory, SCHEMA_DUBLIN_CORE_SPECIFIC_PROPERTIES, "dc:contributor", XmpDirectory.TAG_CONTRIBUTOR, FMT_STRING);
            processXmpTag(xmpMeta, directory, SCHEMA_DUBLIN_CORE_SPECIFIC_PROPERTIES, "dc:rights", XmpDirectory.TAG_RIGHTS, FMT_STRING);
            processXmpTag(xmpMeta, directory, SCHEMA_DUBLIN_CORE_SPECIFIC_PROPERTIES, "dc:format", XmpDirectory.TAG_FORMAT, FMT_STRING);
            processXmpTag(xmpMeta, directory, SCHEMA_DUBLIN_CORE_SPECIFIC_PROPERTIES, "dc:identifier", XmpDirectory.TAG_IDENTIFIER, FMT_STRING);
            processXmpTag(xmpMeta, directory, SCHEMA_DUBLIN_CORE_SPECIFIC_PROPERTIES, "dc:language", XmpDirectory.TAG_LANGUAGE, FMT_STRING);
            processXmpTag(xmpMeta, directory, SCHEMA_DUBLIN_CORE_SPECIFIC_PROPERTIES, "dc:audience", XmpDirectory.TAG_AUDIENCE, FMT_STRING);
            processXmpTag(xmpMeta, directory, SCHEMA_DUBLIN_CORE_SPECIFIC_PROPERTIES, "dc:provenance", XmpDirectory.TAG_PROVENANCE, FMT_STRING);
            processXmpTag(xmpMeta, directory, SCHEMA_DUBLIN_CORE_SPECIFIC_PROPERTIES, "dc:rightsHolder", XmpDirectory.TAG_RIGHTS_HOLDER, FMT_STRING);
            processXmpTag(xmpMeta, directory, SCHEMA_DUBLIN_CORE_SPECIFIC_PROPERTIES, "dc:instructionalMethod", XmpDirectory.TAG_INSTRUCTIONAL_METHOD, FMT_STRING);
            processXmpTag(xmpMeta, directory, SCHEMA_DUBLIN_CORE_SPECIFIC_PROPERTIES, "dc:accrualMethod", XmpDirectory.TAG_ACCRUAL_METHOD, FMT_STRING);
            processXmpTag(xmpMeta, directory, SCHEMA_DUBLIN_CORE_SPECIFIC_PROPERTIES, "dc:accrualPeriodicity", XmpDirectory.TAG_ACCRUAL_PERIODICITY, FMT_STRING);
            processXmpTag(xmpMeta, directory, SCHEMA_DUBLIN_CORE_SPECIFIC_PROPERTIES, "dc:accrualPolicy", XmpDirectory.TAG_ACCRUAL_POLICY, FMT_STRING);
*/


            for (XMPIterator iterator = xmpMeta.iterator(); iterator.hasNext();) {
                XMPPropertyInfo propInfo = (XMPPropertyInfo) iterator.next();
                String path = propInfo.getPath();
                Object value = propInfo.getValue();
                if (path != null && value != null)
                    directory.addProperty(path, value.toString());

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        }
        else {
            converter = new GenericConverter();
        }


        XMPMeta xmp = null;


        if (converter != null) {
            try {
                xmp = converter.process( tikaMetadata );
            }

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    public void extract(@NotNull final byte[] xmpBytes, @NotNull Metadata metadata)
    {
        XmpDirectory directory = metadata.getOrCreateDirectory(XmpDirectory.class);


        try {
            XMPMeta xmpMeta = XMPMetaFactory.parseFromBuffer(xmpBytes);
            processXmpTags(directory, xmpMeta);
        } catch (XMPException e) {
            directory.addError("Error processing XMP data: " + e.getMessage());
        }
    }

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org.apache.tika.xmp.convert.TikaToXMP

org.apache.tika.xmp.TikaToXMPTest

org.apache.tika.xmp.XMPMetadataTest

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