private void parseImage(Image image, File file) throws Exception {
try {
// Detects the file type
BodyContentHandler handler = new BodyContentHandler();
Metadata metadata = new Metadata();
FileInputStream inputStream = new FileInputStream(file);
ParseContext parseContext = new ParseContext();
// Parser
AutoDetectParser parser = new AutoDetectParser();
parser.parse(inputStream, handler, metadata, parseContext);
// Image field setting
String date;
if (metadata.getDate(metadata.ORIGINAL_DATE) != null) {
date = metadata.getDate(metadata.ORIGINAL_DATE).toString();
} else if (metadata.getDate(TikaCoreProperties.CREATED) != null) {
date = metadata.getDate(TikaCoreProperties.CREATED).toString();
} else if (metadata.getDate(DublinCore.CREATED) != null) {
date = metadata.getDate(DublinCore.CREATED).toString();
} else if (metadata.getDate(TikaCoreProperties.METADATA_DATE) != null) {
date = metadata.getDate(TikaCoreProperties.METADATA_DATE).toString();
} else if (metadata.getDate(DublinCore.MODIFIED) != null) {
date = metadata.getDate(DublinCore.MODIFIED).toString();
} else {
// Current date+time
metadata.set(Metadata.DATE, new Date());
date = metadata.get(Metadata.DATE);
}
image.setLongitude(metadata.get(Geographic.LONGITUDE));
image.setLatitude(metadata.get(Geographic.LATITUDE));
ImageOperations.setMetadataParsingFinished();
if (date != null) {
image.setDate(date.toString());
} else {
image.setDate(null);
}
image.setLongitude(image.getLongitude());
image.setLatitude(image.getLatitude());
aPII.reverseGeocode(image);
ImageOperations.setReverseGeocodeFinished();
ImageOperations iO = new ImageOperations();
iO.doOCR(image, file);
ImageOperations.setOcrFinished();
} catch (IOException e) {
System.out.println(e.getMessage());
} catch (TikaException te) {
System.out.println(te.getMessage());
} catch (SAXException se) {
System.out.println(se.getMessage());
} catch (InterruptedException ie) {
System.out.println(ie.getMessage());
} catch (IM4JavaException je) {
je.printStackTrace();
}
}
/**
* Takes in an InputStream representing the submitted image file from the user's computer, uploads
* the image to imgur for auto-tagging, processes and stores the image, and returns a redirect to
* the image's results page.
*
* @param inputStream InputStream representing the image to be processed
* @return a redirect to the image's results page
* @throws IOException
* @throws SQLException
*/
@Override
public String processInputStream(InputStream inputStream) throws IOException, SQLException {
Image image = new Image();
File tempFile = ImageOperations.streamToFile(inputStream);
fillFields(image, tempFile);
String imgurUploadUrl;
Image tempImg;
try {
if ((tempImg = dBOps.imageBlobAlreadyExists(image)) == null) {
dBOps.addEntity(image);
imgurUploadUrl = aPII.uploadImage(tempFile);
aPII.tagImageUrl(image, imgurUploadUrl);
aPII.deleteImageFromImgur();
} else {
image.setID(tempImg.getID());
}
} catch (Exception e) {
e.printStackTrace();
}
String id = cryptoHandler.encryptId(image.getID());
return id;
}
/**
* Takes in an InputStream representing the submitted image file and a String representing the
* submitted URL, processes and stores the image, and returns a redirect to the image's results
* page.
*
* @param inputStream InputStream representing the image to be processed
* @param url String representing the URL of the image
* @return a redirect to the image's results page
* @throws IOException
* @throws SQLException
*/
@Override
public String processInputStream(InputStream inputStream, String url)
throws IOException, SQLException {
Image image = new Image();
File tempFile = ImageOperations.streamToFile(inputStream);
new ImageOperations()
.fillFields(image, tempFile); // Sends image file to the DatabaseOperations object
Image tempImg;
try {
if ((tempImg = dBOps.imageBlobAlreadyExists(image)) == null) {
dBOps.addEntity(image);
aPII.tagImageUrl(image, url);
} else {
image.setID(tempImg.getID());
}
} catch (Exception e) {
e.printStackTrace();
}
String id = cryptoHandler.encryptId(image.getID());
return id;
} /* NOTE: Change domain if switching to another server. */