Example usage for java.util.zip GZIPOutputStream write

Introduction

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

Prototype

public synchronized void write(byte[] buf, int off, int len) throws IOException

Source Link

Document

Writes array of bytes to the compressed output stream.

Usage

From source file:CompressIt.java

public static void main(String[] args) {
    String filename = args[0];//from w w  w.j a v a2s . 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: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;//from   w w w.j a v  a  2  s  .  c  om
    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[] argv) throws Exception {
    GZIPOutputStream out = new GZIPOutputStream(new FileOutputStream("outfile.gzip"));
    FileInputStream in = new FileInputStream("infilename");

    byte[] buf = new byte[1024];
    int len;/*  ww  w.j av  a  2  s .co  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;// w  ww.  j a  v  a 2 s  . co  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: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;//  w  ww. ja v a2 s . co  m
    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();
}

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;
    try {/*w  ww.ja  v  a 2 s  .  c  o m*/
        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:Main.java

public static byte[] compressGZIP(byte bytes[]) throws IOException {
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    GZIPOutputStream gzipos = new GZIPOutputStream(os);
    gzipos.write(bytes, 0, bytes.length);
    gzipos.close();/*w ww.j  a v a 2s  .  c  o  m*/
    return os.toByteArray();
}

From source file:Main.java

public static final byte[] compress(byte[] val) throws IOException {
    ByteArrayOutputStream bos = new ByteArrayOutputStream(val.length);
    GZIPOutputStream gos = new GZIPOutputStream(bos);
    gos.write(val, 0, val.length);
    gos.finish();// w  w  w.  java2s  .c o m
    gos.close();

    // store it and set compression flag
    return bos.toByteArray();
}

From source file:Main.java

public static byte[] compressInGzip(byte[] originalData, int offset, int length) throws Exception {

    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    GZIPOutputStream gzipOutStream = new GZIPOutputStream(bos);
    gzipOutStream.write(originalData, offset, length);
    gzipOutStream.finish();/*from  w w w . ja  v  a2s.c  o m*/
    gzipOutStream.flush();
    gzipOutStream.close();
    byte[] compressData = bos.toByteArray();
    bos.close();

    return compressData;
}