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 File ungzip(File gzip, File toDir) throws IOException {
    toDir.mkdirs();/*from  w  ww .  j  av  a 2  s . com*/
    File out = new File(toDir, gzip.getName());
    GZIPInputStream gin = null;
    FileOutputStream fout = null;
    try {
        FileInputStream fin = new FileInputStream(gzip);
        gin = new GZIPInputStream(fin);
        fout = new FileOutputStream(out);
        copy(gin, fout);
        gin.close();
        fout.close();
    } finally {
        closeQuietly(gin);
        closeQuietly(fout);
    }
    return out;
}

From source file:Main.java

public static final byte[] unCompress(byte[] buf) throws IOException {
    GZIPInputStream gzi = new GZIPInputStream(new ByteArrayInputStream(buf));
    ByteArrayOutputStream bos = new ByteArrayOutputStream(buf.length);

    int count;//w w w.j a  va 2 s.co  m
    byte[] tmp = new byte[2048];
    while ((count = gzi.read(tmp)) != -1) {
        bos.write(tmp, 0, count);
    }

    // store uncompressed back to buffer      
    gzi.close();
    return bos.toByteArray();
}

From source file:Main.java

private static void decompressGzipFile(String gzipFile) {
    try {/* w  w  w .  ja  va  2 s  . c  om*/
        File newFile = new File(Environment.getExternalStorageDirectory() + File.separator + "FlockLoad");
        FileInputStream fis = new FileInputStream(gzipFile);
        GZIPInputStream gis = new GZIPInputStream(fis);
        FileOutputStream fos = new FileOutputStream(newFile);
        byte[] buffer = new byte[1024];
        int len;
        while ((len = gis.read(buffer)) != -1) {
            fos.write(buffer, 0, len);
        }
        //close resources
        fos.close();
        gis.close();
    } catch (IOException e) {
        e.printStackTrace();
    }

}

From source file:com.cip.crane.agent.utils.FileExtractUtils.java

/**
 * Ungzip an input file into an output file.
 * <p>// w  ww  . j  ava2  s .co m
 * The output file is created in the output folder, having the same name
 * as the input file, minus the '.gz' extension. 
 * 
 * @param inputFile     the input .gz file
 * @param outputDir     the output directory file. 
 * @throws IOException 
 * @throws FileNotFoundException
 *  
 * @return  The {@File} with the ungzipped content.
 */
public static File unGzip(final File inputFile, final File outputDir)
        throws FileNotFoundException, IOException {

    LOG.debug(String.format("Ungzipping %s to dir %s.", inputFile.getAbsolutePath(),
            outputDir.getAbsolutePath()));

    final File outputFile = new File(outputDir,
            inputFile.getName().substring(0, inputFile.getName().length() - 3));

    final GZIPInputStream in = new GZIPInputStream(new FileInputStream(inputFile));
    final FileOutputStream out = new FileOutputStream(outputFile);

    IOUtils.copy(in, out);
    in.close();
    out.close();

    return outputFile;
}

From source file:Main.java

public static byte[] unGzip(byte[] data) {
    byte[] b = null;
    try {//from   w w w.  jav a 2 s  .  c om
        ByteArrayInputStream bis = new ByteArrayInputStream(data);
        GZIPInputStream gzip = new GZIPInputStream(bis);
        byte[] buf = new byte[1024];
        int num = -1;
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        while ((num = gzip.read(buf, 0, buf.length)) != -1) {
            baos.write(buf, 0, num);
        }
        b = baos.toByteArray();
        baos.flush();
        baos.close();
        gzip.close();
        bis.close();
    } catch (Exception ex) {
        ex.printStackTrace();
    }
    return b;
}

From source file:Main.java

/**
 * Uncompress gzipped files//from ww w.ja  v a 2  s .  c o  m
 * @param gzippedFile The file to uncompress
 * @param destinationFile The resulting file
 * @throws java.io.IOException thrown if there is a problem finding or writing the files
 */
public static void gunzip(File gzippedFile, File destinationFile) throws IOException {
    int buffer = 2048;

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

    byte[] data = new byte[buffer];

    // decompress the file
    FileOutputStream out = new FileOutputStream(destinationFile);
    try {
        int length;
        while ((length = zipin.read(data, 0, buffer)) != -1)
            out.write(data, 0, length);
    } finally {
        out.close();

        zipin.close();
        in.close();
    }

}

From source file:uk.ac.bbsrc.tgac.miso.integration.util.IntegrationUtils.java

public static byte[] decompress(byte[] contentBytes) throws IOException {
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    GZIPInputStream bis = new GZIPInputStream(new Base64InputStream(new ByteArrayInputStream(contentBytes)));
    byte[] buffer = new byte[1024 * 4];
    int n = 0;/* w ww .j  a  va  2s .  com*/
    while (-1 != (n = bis.read(buffer))) {
        out.write(buffer, 0, n);
    }
    bis.close();
    return out.toByteArray();
}

From source file:bencoding.securely.Converters.java

public static Object deserializeObjectFromString(String objectString) throws Exception {

    ByteArrayInputStream arrayInputStream = new ByteArrayInputStream(
            Base64.decode(objectString, Base64.DEFAULT));
    GZIPInputStream gzipInputStream = new GZIPInputStream(arrayInputStream);
    ObjectInputStream objectInputStream = new ObjectInputStream(gzipInputStream);

    Object object = objectInputStream.readObject();

    objectInputStream.close();/*  w  w  w  .  j  a  v  a 2  s .  c om*/
    gzipInputStream.close();
    arrayInputStream.close();

    return object;
}

From source file:Main.java

public static byte[] decompress(byte[] bytes) throws IOException {

    GZIPInputStream gzip = null;
    ByteArrayOutputStream baos = null;
    try {/*from  ww  w  . j a  v a  2s  . c o  m*/
        baos = new ByteArrayOutputStream();

        gzip = new GZIPInputStream(new ByteArrayInputStream(bytes));

        int len = 0;
        byte data[] = new byte[BUFFER_SIZE];

        while ((len = gzip.read(data, 0, BUFFER_SIZE)) != -1) {
            baos.write(data, 0, len);
        }

        gzip.close();
        baos.flush();

        return baos.toByteArray();

    } finally {
        if (gzip != null) {
            gzip.close();
        }
        if (baos != null) {
            baos.close();
        }
    }
}

From source file:com.cloudera.knittingboar.utils.Utils.java

/**
 * Ungzip an input file into an output file.
 * <p>//from w ww .j a  v  a 2 s . c  o m
 * The output file is created in the output folder, having the same name as
 * the input file, minus the '.gz' extension.
 * 
 * @param inputFile
 *          the input .gz file
 * @param outputDir
 *          the output directory file.
 * @throws IOException
 * @throws FileNotFoundException
 * 
 * @return The {@File} with the ungzipped content.
 */
private static File unGzip(final File inputFile, final File outputDir)
        throws FileNotFoundException, IOException {

    System.out.println(String.format("Ungzipping %s to dir %s.", inputFile.getAbsolutePath(),
            outputDir.getAbsolutePath()));

    final File outputFile = new File(outputDir,
            inputFile.getName().substring(0, inputFile.getName().length() - 3));

    final GZIPInputStream in = new GZIPInputStream(new FileInputStream(inputFile));
    final FileOutputStream out = new FileOutputStream(outputFile);

    for (int c = in.read(); c != -1; c = in.read()) {
        out.write(c);
    }

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

    return outputFile;
}