create the input stream that will calculate the checksum FileInputStream fis Throw new IllegalStateException( 'SHA-1 not recognized as Secure Hash Algorithm.', e) Hash = MessageDigest.getInstance( 'SHA-1') initialize the hash algorithm MessageDigest hash bug( 'Looking for fileChecksum tag between byte ' + limit + ' and byte ' + mzMLFile.length() Since this stop location is very near the end of the file, we skip everything // until we come within a certain limit of the end of the file long limit = mzMLFile.length() - 200L we have to create the checksum for the mzML file (from its beginning to the // end of the fileChecksum start tag). This.getSession().getClient().verifyExpectedAndActualETagValues(hexMD5, part) įrom source file: uk.ac.MzMLUnmarshaller.java /**

String hexMD5 = ServiceUtils.toHex(digest.digest()) Usageįrom source file: fi.java public static String calculateHash( File file) throws Exception ', 'Status'), this.getName())) Source Link DocumentCreates a digest input stream, using the specified input stream and message digest. Prototype public DigestInputStream( InputStream stream, MessageDigest digest) IntroductionIn this page you can find the example usage for curity DigestInputStream DigestInputStream.

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