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| package photospace.meta.rdf; |
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| |
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| import java.io.*; |
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| import java.util.*; |
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| import org.apache.commons.lang.*; |
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| import org.apache.commons.logging.*; |
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| import org.w3c.tools.jpeg.*; |
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| import com.hp.hpl.jena.rdf.model.*; |
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| import com.hp.hpl.jena.vocabulary.*; |
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| import junit.framework.*; |
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| |
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| public class JpegRdfTest |
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| extends TestCase |
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| { |
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| private static final Log log = LogFactory.getLog(JpegRdfTest.class); |
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| |
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1
| public void testPhotospaceModel() throws Exception
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| { |
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1
| Model model = getPhotoModel();
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1
| model.write(System.out);
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| } |
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| |
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2
| private Model getPhotoModel()
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| { |
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2
| Model model = ModelFactory.createDefaultModel();
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| Resource asset = model.createResource();
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2
| asset.addProperty(DC.title, "test title");
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| asset.addProperty(DC.description, "test description");
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| asset.addProperty(DC.type, DCTypes.Image);
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| asset.addProperty(DC.creator, model.createResource("http://photospace.org/people/alon")
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| .addProperty(VCARD.FN, "Alon Salant") |
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| .addProperty(VCARD.EMAIL, "alon@salant.org") |
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| ); |
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| asset.addProperty(DC.date, new Date());
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2
| return model;
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| } |
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| |
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1
| public void testReadWriteRdf() throws Exception
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| { |
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| File jpeg = new File(System.getProperty("project.root"), "build/test/exif-rdf.jpg");
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| |
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| Model model = getPhotoModel();
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| ByteArrayOutputStream rdf = new ByteArrayOutputStream();
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| model.write(rdf);
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| |
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| log.debug("RDF to write to jpeg:\n" + rdf);
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| ByteArrayOutputStream jpegOS = new ByteArrayOutputStream();
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| JpegCommentWriter jcw = new JpegCommentWriter(jpegOS, new FileInputStream(jpeg));
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| jcw.write(rdf.toString());
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| jcw.close();
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| |
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| FileOutputStream fos = new FileOutputStream(jpeg);
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| fos.write(jpegOS.toByteArray());
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| fos.close();
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| FileInputStream jpegIn = new FileInputStream(jpeg);
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| JpegHeaders jh = new JpegHeaders(jpegIn, new org.w3c.tools.jpeg.Exif());
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| String comments = StringUtils.join(jh.getComments(), "");
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| jpegIn.close();
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| assertNotNull(comments);
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| log.info("EXIF comments from jpeg:\n" + comments);
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| Model fromJpeg = ModelFactory.createDefaultModel();
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| fromJpeg.read(new StringReader(comments), "");
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| fromJpeg.write(System.out);
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| log.info("RDF from EXIF comments:\n" + comments);
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| } |
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| |
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0
| public void dump() throws Exception
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| { |
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0
| File jpeg = new File(System.getProperty("project.root"), "build/test/exif-rdf.jpg");
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0
| photospace.meta.Reader reader = new photospace.meta.Reader(jpeg);
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0
| log.info(reader.getDump());
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| |
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| } |
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| |
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| } |
