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:Main.java

public static void zip(InputStream is, OutputStream os) {
    GZIPOutputStream gzip = null;
    try {//from   w w  w  . java2s.c o m
        gzip = new GZIPOutputStream(os);
        byte[] buf = new byte[1024];
        int len;
        while ((len = is.read(buf)) != -1) {
            gzip.write(buf, 0, len);
            gzip.flush();
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        closeIO(is, gzip);
    }
}

From source file:Main.java

public static void zip(InputStream is, OutputStream os) {
    GZIPOutputStream gzip = null;
    try {/*from   w w w.j a v a  2  s .com*/
        gzip = new GZIPOutputStream(os);
        byte[] buf = new byte[1024];
        int len;
        while ((len = is.read(buf)) != -1) {
            gzip.write(buf, 0, len);
            gzip.flush();
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        closeIO(is);
        closeIO(gzip);
    }
}

From source file:Main.java

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

    byte[] buffer = new byte[1024];

    try {//from   w ww. ja v a 2 s.  co  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:org.apache.ode.daohib.bpel.hobj.GZipDataType.java

/**
 * Compress (using gzip algorithm) a byte array into an output stream.
 *//*from   www.j  a  v a  2 s. c om*/
public static void gzip(byte[] content, OutputStream out) {
    try {
        GZIPOutputStream zip = new GZIPOutputStream(out);
        zip.write(content, 0, content.length);
        zip.finish();
        zip.close();
    } catch (IOException ex) {
        throw new RuntimeException(ex);
    }
}

From source file:edu.harvard.i2b2.fhir.Utils.java

public static byte[] compress(final String data, final String encoding) throws IOException {
    if (data == null || data.length() == 0) {
        return null;
    } else {//from  w w  w. j a v  a2 s .c o  m
        byte[] bytes = data.getBytes(encoding);
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        GZIPOutputStream os = new GZIPOutputStream(baos);
        os.write(bytes, 0, bytes.length);
        os.close();
        byte[] result = baos.toByteArray();
        return result;
    }
}

From source file:co.cask.hydrator.transforms.Compressor.java

public static byte[] compressGZIP(byte[] input) throws IOException {
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    GZIPOutputStream gzip = new GZIPOutputStream(out);
    gzip.write(input, 0, input.length);
    gzip.close();/*ww w  .  j a  v  a2 s .  c o  m*/
    return out.toByteArray();
}

From source file:Main.java

public static void doCompressFile(String inFileName) {
    try {/*w  ww . ja  va  2s  . c  o  m*/
        File file = new File(inFileName);
        FileOutputStream fos = new FileOutputStream(file + ".gz");
        GZIPOutputStream gzos = new GZIPOutputStream(fos);
        FileInputStream fin = new FileInputStream(file);
        BufferedInputStream in = new BufferedInputStream(fin);
        byte[] buffer = new byte[1024];
        int i;
        while ((i = in.read(buffer)) >= 0) {
            gzos.write(buffer, 0, i);
        }
        in.close();
        gzos.close();
    } catch (IOException e) {
        System.out.println("Exception is" + e);
    }
}

From source file:Compress.java

/** Gzip the contents of the from file and save in the to file. */
public static void gzipFile(String from, String to) throws IOException {
    // Create stream to read from the from file
    FileInputStream in = new FileInputStream(from);
    // Create stream to compress data and write it to the to file.
    GZIPOutputStream out = new GZIPOutputStream(new FileOutputStream(to));
    // Copy bytes from one stream to the other
    byte[] buffer = new byte[4096];
    int bytes_read;
    while ((bytes_read = in.read(buffer)) != -1)
        out.write(buffer, 0, bytes_read);
    // And close the streams
    in.close();//from w  w  w  .ja  v a2s.  com
    out.close();
}

From source file:com.opengamma.web.analytics.json.Compressor.java

static void compressStream(InputStream inputStream, OutputStream outputStream)
        throws IOException {
    InputStream iStream = new BufferedInputStream(inputStream);
    GZIPOutputStream oStream = new GZIPOutputStream(
            new Base64OutputStream(new BufferedOutputStream(outputStream), true, -1, null), 2048);
    byte[] buffer = new byte[2048];
    int bytesRead;
    while ((bytesRead = iStream.read(buffer)) != -1) {
        oStream.write(buffer, 0, bytesRead);
    }/*from w  ww  .  java  2s  .c o  m*/
    oStream.close(); // this is necessary for the gzip and base64 streams
}

From source file:Main.java

public static void toTargz(String srcFile, String targetFile) throws IOException {
    File sourceFile = new File(srcFile);
    File target = new File(targetFile);
    FileInputStream in = null;//from   w  ww.  java  2s . c  om
    GZIPOutputStream gout = null;
    try {
        in = new FileInputStream(sourceFile);
        gout = new GZIPOutputStream(new FileOutputStream(target));
        byte[] array = new byte[BUFFER_LEN];
        int number = -1;
        while ((number = in.read(array, 0, array.length)) != -1) {
            gout.write(array, 0, number);
        }
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        if (gout != null) {
            try {
                gout.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}