Example usage for java.util.zip GZIPInputStream close

Introduction

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

Prototype

public void close() throws IOException

Source Link

Document

Closes this input stream and releases any system resources associated with the stream.

Usage

From source file:Main.java

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

    String zipname = "a.txt.gz";
    String source = "a.txt";
    FileInputStream in = new FileInputStream(zipname);
    GZIPInputStream zipin = new GZIPInputStream(in);
    byte[] buffer = new byte[sChunk];
    FileOutputStream out = new FileOutputStream(source);
    int length;/*from ww w  .ja  v a 2  s  .  co  m*/
    while ((length = zipin.read(buffer, 0, sChunk)) != -1)
        out.write(buffer, 0, length);
    out.close();
    zipin.close();
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    String source = "s.gzip";
    GZIPInputStream in = new GZIPInputStream(new FileInputStream(source));
    String target = "outfile";
    OutputStream out = new FileOutputStream(target);
    byte[] buf = new byte[1024];
    int len;/*from  w  w  w.  ja  v  a 2  s.c om*/
    while ((len = in.read(buf)) > 0) {
        out.write(buf, 0, len);
    }
    in.close();
    out.close();
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    String inFilename = "infile.gzip";
    GZIPInputStream in = new GZIPInputStream(new FileInputStream(inFilename));

    String outFilename = "outfile";
    OutputStream out = new FileOutputStream(outFilename);

    byte[] buf = new byte[1024];
    int len;/* w w  w .j a  va2 s . c  o m*/
    while ((len = in.read(buf)) > 0) {
        out.write(buf, 0, len);
    }

    in.close();
    out.close();
}

From source file:MainClass.java

public static void main(String[] args) throws Exception {
    String zipname = "data.txt.gz";
    String source = "data.txt.gz";
    GZIPInputStream zipin;

    FileInputStream in = new FileInputStream(zipname);
    zipin = new GZIPInputStream(in);

    byte[] buffer = new byte[sChunk];
    // decompress the file
    FileOutputStream out = new FileOutputStream(source);
    int length;//w  w  w . ja  v a2 s  . c o  m
    while ((length = zipin.read(buffer, 0, sChunk)) != -1)
        out.write(buffer, 0, length);
    out.close();

    zipin.close();
}

From source file:Main.java

static public byte[] gunzip(byte src[], byte default_value[]) {
    try {//  w w  w .ja v  a 2s.  c o m
        if (src == null)
            return default_value;

        ByteArrayOutputStream out = new ByteArrayOutputStream();

        GZIPInputStream in = new GZIPInputStream(new ByteArrayInputStream(src));

        IOUtils.copy(in, out);

        in.close();
        out.close();

        return out.toByteArray();
    } catch (Exception e) {
        return default_value;
    }
}

From source file:com.giacomodrago.immediatecrypt.messagecipher.Compression.java

public static byte[] decompress(byte[] plaintext) {
    try {//from w ww.  j av  a  2 s.c o  m
        ByteArrayOutputStream writer = new ByteArrayOutputStream();
        ByteArrayInputStream reader = new ByteArrayInputStream(plaintext);
        GZIPInputStream gzipStream = new GZIPInputStream(reader);
        IOUtils.copy(gzipStream, writer);
        gzipStream.close();
        writer.flush();
        writer.close();
        return writer.toByteArray();
    } catch (IOException ex) {
        return null; // Invalid source data
    }
}

From source file:Main.java

public static byte[] decompressGZIP(byte bytes[]) throws IOException {
    ByteArrayInputStream is = new ByteArrayInputStream(bytes);
    GZIPInputStream gzipis = new GZIPInputStream(is);
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    int i;/*from w  w  w  .j a  v  a2 s. co m*/
    while ((i = gzipis.read()) != -1) {
        os.write(i);
    }
    gzipis.close();
    os.close();
    return os.toByteArray();
}

From source file:org.projectforge.common.GZIPHelper.java

/**
 * @param base64ByteArray/*from w w  w  . j  ava 2 s . c o  m*/
 * @return
 */
public static String uncompress(final String base64ByteArray) {
    if (base64ByteArray == null || base64ByteArray.length() == 0) {
        return base64ByteArray;
    }
    try {
        final byte[] byteArray = (byte[]) Base64Helper.decodeObject(base64ByteArray);
        final ByteArrayInputStream in = new ByteArrayInputStream(byteArray);
        final GZIPInputStream gzip = new GZIPInputStream(in);
        final ByteArrayOutputStream out = new ByteArrayOutputStream();
        IOUtils.copy(gzip, out);
        gzip.close();
        return out.toString();
    } catch (final IOException ex) {
        log.error("Error while uncompressing string: " + ex.getMessage(), ex);
        return null;
    } catch (final ClassNotFoundException ex) {
        log.error("Error while uncompressing string: " + ex.getMessage(), ex);
        return null;
    }
}

From source file:ByteUtils.java

public static byte[] unpackRaw(byte[] b) throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ByteArrayInputStream bais = new ByteArrayInputStream(b);

    GZIPInputStream zis = new GZIPInputStream(bais);
    byte[] tmpBuffer = new byte[256];
    int n;//ww w .  jav a 2 s .c o m
    while ((n = zis.read(tmpBuffer)) >= 0)
        baos.write(tmpBuffer, 0, n);
    zis.close();

    return baos.toByteArray();
}

From source file:Main.java

public static byte[] unzip(byte[] output) {
    if (output == null || output.length == 0) {
        return output;
    }//from   w w  w . ja  va2  s  .  com
    try {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        ByteArrayInputStream in = new ByteArrayInputStream(output);
        GZIPInputStream gunzip = new GZIPInputStream(in);
        byte[] buffer = new byte[BUFFER_SIZE];
        int ret;
        while ((ret = gunzip.read(buffer)) >= 0) {
            out.write(buffer, 0, ret);
        }
        gunzip.close();
        return out.toByteArray();
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}