40 lines
1.2 KiB
Java
40 lines
1.2 KiB
Java
// compression/GZIPcompress.java
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// (c)2016 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
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// {Args: GZIPcompress.java}
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import java.util.zip.*;
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import java.io.*;
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public class GZIPcompress {
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public static void main(String[] args)
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throws IOException {
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if(args.length == 0) {
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System.out.println(
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"Usage: \nGZIPcompress file\n" +
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"\tUses GZIP compression to compress " +
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"the file to test.gz");
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System.exit(1);
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}
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try(InputStream in = new BufferedInputStream(
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new FileInputStream(args[0]));
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BufferedOutputStream out = new BufferedOutputStream(
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new GZIPOutputStream(
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new FileOutputStream("test.gz")))) {
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System.out.println("Writing file");
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int c;
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while((c = in.read()) != -1)
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out.write(c);
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}
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System.out.println("Reading file");
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try(BufferedReader in2 = new BufferedReader(
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new InputStreamReader(new GZIPInputStream(
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new FileInputStream("test.gz"))))) {
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String s;
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while((s = in2.readLine()) != null)
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System.out.println(s);
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}
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}
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}
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/* Output: (Execute to see) */
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