OnJava8-Examples/io/GZIPcompress.java
Bruce Eckel 7265b6aceb Updated to match book
Partway through update
2015-04-29 12:53:35 -07:00

35 lines
1.0 KiB
Java

//: io/GZIPcompress.java
// {Args: GZIPcompress.java}
import java.util.zip.*;
import java.io.*;
public class GZIPcompress {
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);
}
InputStream in = new BufferedInputStream(
new FileInputStream(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);
}
} /* (Execute to see output) *///:~