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import java.io.ByteArrayOutputStream;
import java.util.zip.Deflater;
import java.util.zip.Inflater;
public class Main {
public static void main(String[] argv) throws Exception {
byte[] input = "this is a test".getBytes();
Deflater compressor = new Deflater();
compressor.setLevel(Deflater.BEST_COMPRESSION);
compressor.setInput(input);
compressor.finish();
ByteArrayOutputStream bos = new ByteArrayOutputStream(input.length);
byte[] buf = new byte[1024];
while (!compressor.finished()) {
int count = compressor.deflate(buf);
bos.write(buf, 0, count);
}
bos.close();
byte[] compressedData = bos.toByteArray();
Inflater decompressor = new Inflater();
decompressor.setInput(compressedData);
bos = new ByteArrayOutputStream(compressedData.length);
buf = new byte[1024];
while (!decompressor.finished()) {
int count = decompressor.inflate(buf);
bos.write(buf, 0, count);
}
bos.close();
byte[] decompressedData = bos.toByteArray();
System.out.println(new String(decompressedData));
}
}
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