Mega Code Archive
GZIP compress
<![CDATA[
// : c12:GZIPcompress.java
// {Args: GZIPcompress.java}
// {Clean: test.gz}
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.
import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.zip.GZIPInputStream;
import java.util.zip.GZIPOutputStream;
public class GZIPcompress {
// Throw exceptions to console:
public static void main(String[] args) throws IOException {
if (args.length == 0) {
System.out.println("Usage: \nGZIPcompress file\n"
+ "\tUses GZIP compression to compress "
+ "the file to test.gz");
System.exit(1);
}
BufferedReader in = new BufferedReader(new FileReader(args[0]));
BufferedOutputStream out = new BufferedOutputStream(
new GZIPOutputStream(new FileOutputStream("test.gz")));
System.out.println("Writing file");
int c;
while ((c = in.read()) != -1)
out.write(c);
in.close();
out.close();
System.out.println("Reading file");
BufferedReader in2 = new BufferedReader(new InputStreamReader(
new GZIPInputStream(new FileInputStream("test.gz"))));
String s;
while ((s = in2.readLine()) != null)
System.out.println(s);
}
} ///:~
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