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Snappy-Java - Compress and Decompress Files
How to Compress and Decompress Files with Snappy-Java?
✍: FYIcenter.com
If you want to compress or decompress files with Snappy-Java, you can write 2 Java programs as shown in this tutorial.
The first program compresses a given file, CompressFIle.java:
// CompressFIle.java // Copyright (c) FYIcenter.com import org.xerial.snappy.Snappy; import java.nio.file.*; public class CompressFIle { public static void main(String[] args) throws Exception { Path input = Paths.get(args[0]); byte[] uncompressed = Files.readAllBytes(input); byte[] compressed = Snappy.compress(uncompressed); Path output = Paths.get(args[1]); Files.write(output, compressed); } }
The second program compresses a given file, DecompressFIle.java:
// DecompressFile.java // Copyright (c) FYIcenter.com import org.xerial.snappy.Snappy; import java.nio.file.*; public class DecompressFile { public static void main(String[] args) throws Exception { Path input = Paths.get(args[0]); byte[] compressed = Files.readAllBytes(input); byte[] uncompressed = Snappy.uncompress(compressed); Path output = Paths.get(args[1]); Files.write(output, uncompressed); } }
Here is how to compress a file:
fyicenter$ java -cp snappy-java-1.1.8.4.jar CompressFile.java \ HelloSnappy.java HelloSnappy.java.spz fyicenter$ ls -l HelloSnappy.* 551 Jul 10 13:42 HelloSnappy.java 404 Jul 10 14:48 HelloSnappy.java.spz
Here is how to decompress a file:
fyicenter$ java -cp snappy-java-1.1.8.4.jar DecompressFile.java \ HelloSnappy.java.spz HelloSnappy.java.txt fyicenter$ ls -l HelloSnappy.* 551 Jul 10 13:42 HelloSnappy.java 404 Jul 10 14:48 HelloSnappy.java.spz 551 Jul 10 14:51 HelloSnappy.java.txt
⇒ Snappy-Java - Compresser and Decompresser
2021-07-13, 1504🔥, 0💬
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