private static Directory getMetaDirectory(File file) {
try {
Metadata metadata = JpegMetadataReader.readMetadata(file);
return metadata.getDirectory(ExifDirectory.class);
} catch (JpegProcessingException e) {
e.printStackTrace();
}
return null;
}
/* (non-Javadoc)
* @see org.inbio.m3s.dao.multimedia.MetadataExtractorDAO#init(java.lang.String)
*/
public void init(String fileAddress) throws IllegalArgumentException {
logger.info("using the fileAddress: '" + fileAddress + "'");
this.fileAddress = fileAddress;
try {
File jpegFile = new File(fileAddress);
Metadata metadata = JpegMetadataReader.readMetadata(jpegFile);
this.exifDirectory = metadata.getDirectory(ExifDirectory.class);
} catch (JpegProcessingException e) {
e.printStackTrace();
throw new IllegalArgumentException(
"The fileAddress [" + fileAddress + "] doesn't exist. ", e.getCause());
}
}
/**
* @param filename
* @return
*/
private HashMap<String, String> extractExifDatas(String filename) {
HashMap<String, String> datas = new HashMap<String, String>();
SimpleDateFormat formatter = new SimpleDateFormat("yyyy_MM_dd_HH'h'mm.ss");
try {
File jpegFile = new File(filename);
Metadata metadata = ImageMetadataReader.readMetadata(jpegFile);
// reading exif
ExifSubIFDDirectory directory = metadata.getDirectory(ExifSubIFDDirectory.class);
if (directory != null) {
Date date = directory.getDate(ExifSubIFDDirectory.TAG_DATETIME_ORIGINAL);
if (date != null) {
datas.put("date", formatter.format(date));
}
}
} catch (JpegProcessingException e) {
System.err.println("Problem during datas extraction : " + e.getMessage());
} catch (IOException e) {
System.err.println("Problem during datas extraction" + e.getMessage());
} catch (ImageProcessingException e) {
System.err.println("Problem during datas extraction" + e.getMessage());
}
return datas;
}