Example usage for java.util.zip GZIPOutputStream GZIPOutputStream

Introduction

In this page you can find the example usage for java.util.zip GZIPOutputStream GZIPOutputStream.

Prototype

public GZIPOutputStream(OutputStream out) throws IOException

Source Link

Document

Creates a new output stream with a default buffer size.

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {
    GZIPOutputStream out = new GZIPOutputStream(new FileOutputStream("outfile.gzip"));
    FileInputStream in = new FileInputStream("infilename");

    byte[] buf = new byte[1024];
    int len;/*from  w w  w  .  java  2  s  . c o  m*/
    while ((len = in.read(buf)) > 0) {
        out.write(buf, 0, len);
    }
    in.close();

    out.finish();
    out.close();
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    String outFilename = "outfile.gzip";
    GZIPOutputStream out = new GZIPOutputStream(new FileOutputStream(outFilename));

    String inFilename = "infilename";
    FileInputStream in = new FileInputStream(inFilename);

    byte[] buf = new byte[1024];
    int len;/*www  .j  a va 2s.  c  o m*/
    while ((len = in.read(buf)) > 0) {
        out.write(buf, 0, len);
    }
    in.close();

    out.finish();
    out.close();
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    Socket sock = new Socket(args[0], Integer.parseInt(args[1]));
    GZIPOutputStream zip = new GZIPOutputStream(sock.getOutputStream());
    String line;//from  w w  w. ja v a 2 s  .c  o  m
    BufferedReader bis = new BufferedReader(new FileReader(args[2]));
    while (true) {
        line = bis.readLine();
        if (line == null)
            break;
        line = line + "\n";
        zip.write(line.getBytes(), 0, line.length());
    }
    zip.finish();
    zip.close();
    sock.close();
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    int sChunk = 8192;

    String zipname = "a.gz";
    FileOutputStream out = new FileOutputStream(zipname);
    GZIPOutputStream zipout = new GZIPOutputStream(out);
    byte[] buffer = new byte[sChunk];

    FileInputStream in = new FileInputStream(args[0]);
    int length;/*  ww  w  . j a  va  2s .c o  m*/
    while ((length = in.read(buffer, 0, sChunk)) != -1)
        zipout.write(buffer, 0, length);
    in.close();
    zipout.close();

}

From source file:Main.java

public static void main(String[] args) throws Exception {

    InputStream fin = new FileInputStream("a.dat");
    OutputStream fout = new FileOutputStream("a.dat.gz");
    GZIPOutputStream gzout = new GZIPOutputStream(fout);
    for (int c = fin.read(); c != -1; c = fin.read()) {
        gzout.write(c);/*from  ww w .  ja  v  a2s  .c o  m*/
    }
    gzout.close();
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    User admin = new User();
    admin.setId(new Long(1));
    User foo = new User();
    foo.setId(new Long(2));

    ObjectOutputStream oos = new ObjectOutputStream(
            new GZIPOutputStream(new FileOutputStream(new File("user.dat"))));
    oos.writeObject(admin);/*from w ww  .  j  av  a2s.  co m*/
    oos.writeObject(foo);
    oos.flush();
    oos.close();
}

From source file:MainClass.java

public static void main(String[] args) {

    int bufferSize = 8192;
    // create output stream
    String sourceFileName = "data.txt";
    String zipname = sourceFileName + ".gz";
    GZIPOutputStream zipout;// w  ww .  j a v a 2  s  . co  m
    try {
        FileOutputStream out = new FileOutputStream(zipname);
        zipout = new GZIPOutputStream(out);
    } catch (IOException e) {
        System.out.println("Couldn't create " + zipname + ".");
        return;
    }
    byte[] buffer = new byte[bufferSize];
    // compress the file
    try {
        FileInputStream in = new FileInputStream(sourceFileName);
        int length;
        while ((length = in.read(buffer, 0, bufferSize)) != -1)
            zipout.write(buffer, 0, length);
        in.close();
    } catch (IOException e) {
        System.out.println("Couldn't compress " + sourceFileName + ".");
    }
    try {
        zipout.close();
    } catch (IOException e) {
    }
}

From source file:MainClass.java

public static void main(String[] args) {

    for (int i = 0; i < args.length; i++) {
        try {/*from   w w  w .  j  a v a2  s . co  m*/
            InputStream fin = new FileInputStream(args[i]);
            OutputStream fout = new FileOutputStream(args[i] + GZIP_SUFFIX);
            GZIPOutputStream gzout = new GZIPOutputStream(fout);
            for (int c = fin.read(); c != -1; c = fin.read()) {
                gzout.write(c);
            }
            gzout.close();
        } catch (IOException ex) {
            System.err.println(ex);
        }
    }
}

From source file:CompressIt.java

public static void main(String[] args) {
    String filename = args[0];//from  w ww  .j ava2s  . c  o  m
    try {
        File file = new File(filename);
        int length = (int) file.length();
        FileInputStream fis = new FileInputStream(file);
        BufferedInputStream bis = new BufferedInputStream(fis);
        ByteArrayOutputStream baos = new ByteArrayOutputStream(length);
        GZIPOutputStream gos = new GZIPOutputStream(baos);
        byte[] buffer = new byte[1024];
        int bytesRead;
        while ((bytesRead = bis.read(buffer)) != -1) {
            gos.write(buffer, 0, bytesRead);
        }
        bis.close();
        gos.close();
        System.out.println("Input Length: " + length);
        System.out.println("Output Length: " + baos.size());
    } catch (FileNotFoundException e) {
        System.err.println("Invalid Filename");
    } catch (IOException e) {
        System.err.println("I/O Exception");
    }
}

From source file:CompRcv.java

public static void main(String[] args) throws Exception {
    Socket sock = new Socket(args[0], Integer.parseInt(args[1]));
    GZIPOutputStream zip = new GZIPOutputStream(sock.getOutputStream());
    String line;//from w ww  .  j a v a2 s . c  om
    BufferedReader bis = new BufferedReader(new FileReader(args[2]));
    while (true) {
        try {
            line = bis.readLine();
            if (line == null)
                break;
            line = line + "\n";
            zip.write(line.getBytes(), 0, line.length());
        } catch (Exception e) {
            break;
        }
    }
    zip.finish();
    zip.close();
    sock.close();
}