public static void verifyMD5(File file, String originalMd5) throws Exception {
log.info("M-READ file:" + file);
MessageDigest md = MessageDigest.getInstance("MD5");
BufferedInputStream in = new BufferedInputStream(new FileInputStream(file));
DigestInputStream dis = new DigestInputStream(in, md);
try {
DcmParser parser = DcmParserFactory.getInstance().newDcmParser(dis);
parser.parseDcmFile(FileFormat.DICOM_FILE, Tags.PixelData);
if ((parser.getReadTag() & 0xFFFFFFFFL) >= Tags.PixelData) {
if (parser.getReadLength() == -1) {
while (parser.parseHeader() == Tags.Item) {
readOut(parser.getInputStream(), parser.getReadLength());
}
}
readOut(parser.getInputStream(), parser.getReadLength());
parser.parseDataset(parser.getDcmDecodeParam(), -1);
}
} finally {
try {
dis.close();
} catch (IOException ignore) {
}
}
byte[] md5 = md.digest();
if (!Arrays.equals(md5, MD5.toBytes(originalMd5))) {
log.error(
"MD5 for "
+ file.getAbsolutePath()
+ " is different that expected. Has the file been changed or corrupted?");
throw new IllegalStateException("MD5 mismatch");
}
}
private FileDTO getFileDTO() throws SQLException {
FileDTO dto = new FileDTO();
dto.setPk(rs.getLong(1));
dto.setFilePath(rs.getString(2));
dto.setFileMd5(MD5.toBytes(rs.getString(3)));
dto.setFileStatus(rs.getInt(4));
dto.setFileSystemGroupID(rs.getString(5));
dto.setDirectoryPath(rs.getString(6));
dto.setRetrieveAET(rs.getString(7));
dto.setAvailability(rs.getInt(8));
dto.setUserInfo(rs.getString(9));
dto.setSopClassUID(rs.getString(10));
dto.setSopInstanceUID(rs.getString(11));
numberOfSeriesRelatedInstances = rs.getInt(12);
dto.setExternalRetrieveAET(rs.getString(13));
return dto;
}
