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 OutputStream buildOutputStream(OutputStream os, byte type) throws IOException {
    switch (type) {
    case GZIP:/*  w  w  w . j a  va  2  s  . c  om*/
        return new GZIPOutputStream(os);
    default:
        return os;
    }
}

From source file:Main.java

public static byte[] compressGzip(byte[] content) throws IOException {
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    GZIPOutputStream gos = new GZIPOutputStream(bos);
    try {//from   ww  w  .j  a  v a  2  s .  co  m
        gos.write(content);
        gos.flush();
    } finally {
        gos.close();
    }

    return bos.toByteArray();
}

From source file:Main.java

static public final byte[] gzipBytes(byte[] bytes) throws IOException {
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    GZIPOutputStream gout = new GZIPOutputStream(out);
    try {// w  w  w .  j  ava2 s .  c  o m
        gout.write(bytes);
    } finally {
        gout.close();
    }
    return out.toByteArray();
}

From source file:Main.java

public static void gzipIt(String inputFile, String outputFile) {

    byte[] buffer = new byte[1024];

    try {//from w ww .j  a  v a2 s  . c o  m

        GZIPOutputStream gzos = new GZIPOutputStream(new FileOutputStream(outputFile));

        FileInputStream in = new FileInputStream(inputFile);

        int len;
        while ((len = in.read(buffer)) > 0) {
            gzos.write(buffer, 0, len);
        }

        in.close();

        gzos.finish();
        gzos.close();

        System.out.println("Done");

    } catch (IOException ex) {
        ex.printStackTrace();
    }
}

From source file:Main.java

public static byte[] compress(String str) throws Exception {
    if (str == null || str.length() == 0) {
        return null;
    }/*from w  ww  .jav a 2 s . c  o m*/

    ByteArrayOutputStream obj = new ByteArrayOutputStream();
    GZIPOutputStream gzip = new GZIPOutputStream(obj);

    gzip.write(str.getBytes());
    gzip.close();

    byte[] compressed = obj.toByteArray();
    obj.close();

    return compressed;
}

From source file:Compress.java

public static void gzipFile(String from, String to) throws IOException {
    FileInputStream in = new FileInputStream(from);
    GZIPOutputStream out = new GZIPOutputStream(new FileOutputStream(to));
    byte[] buffer = new byte[4096];
    int bytesRead;
    while ((bytesRead = in.read(buffer)) != -1)
        out.write(buffer, 0, bytesRead);
    in.close();//from  w  ww .java  2s .c o m
    out.close();
}

From source file:Main.java

public static String compress(String str) throws IOException {
    if (str == null || str.length() == 0) {
        return str;
    }/*from w  w  w  .  j a va 2 s  . c om*/
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    GZIPOutputStream gzip = new GZIPOutputStream(out);
    gzip.write(str.getBytes());
    gzip.close();
    return out.toString("ISO-8859-1");
}

From source file:Main.java

public static byte[] compressStringToByteArray(String uncompressedString) {
    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    GZIPOutputStream gzipOutputStream;
    try {/*  w  ww . ja  v a  2  s.  co  m*/
        gzipOutputStream = new GZIPOutputStream(byteArrayOutputStream);
        gzipOutputStream.write(uncompressedString.getBytes("UTF-8"));
        gzipOutputStream.close();
    } catch (IOException e) {
        e.printStackTrace();
    }

    return byteArrayOutputStream.toByteArray();
}

From source file:Main.java

public static byte[] zip(byte[] input) {
    if (input == null || input.length == 0) {
        return input;
    }/*from  w w w  . java  2  s  .  com*/
    try {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        GZIPOutputStream gzip = new GZIPOutputStream(out);
        gzip.write(input);
        gzip.close();
        return out.toByteArray();
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

From source file:Main.java

public static byte[] compress(String str) {
    if (str == null || str.length() == 0) {
        return str.getBytes();
    }//from   w  w w  .ja va 2s.  c o m
    final ByteArrayOutputStream out = new ByteArrayOutputStream();
    try {
        final GZIPOutputStream gzip = new GZIPOutputStream(out);
        gzip.write(str.getBytes());
        gzip.close();
    } catch (final IOException e) {
        e.printStackTrace();
    }
    return out.toByteArray();
}