Febbweiss/logstash-forwarder-java
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Implemented FileSigner.

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didfet
2015-03-12 19:22:29 +01:00
parent 9b7c7b0760
commit 708c05d931
1 changed files with 18 additions and 0 deletions
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18
src/main/java/info/fetter/logstashforwarder/FileSigner.java Normal file
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package info.fetter.logstashforwarder;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.util.zip.Adler32;
public class FileSigner {
private static final Adler32 adler32 = new Adler32();
public static long computeSignature(RandomAccessFile file, int signatureLength) throws IOException {
adler32.reset();
byte[] input = new byte[signatureLength];
file.seek(0);
file.read(input);
adler32.update(input);
return adler32.getValue();
}
}