Example usage for java.util.zip GZIPInputStream GZIPInputStream

Introduction

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

Prototype

public GZIPInputStream(InputStream in) throws IOException

Source Link

Document

Creates a new input stream with a default buffer size.

Usage

From source file:Main.java

public static Object readGZipCompressedObject(InputStream in) throws IOException, ClassNotFoundException {

    GZIPInputStream gis = new GZIPInputStream(in);
    ObjectInputStream ois = new ObjectInputStream(gis);
    return ois.readObject();

}

From source file:Main.java

static byte[] decompress(byte[] compressed) throws IOException {
    int nRead;/*from  www .j  a  v  a2s  .co  m*/
    byte[] data = new byte[2048];
    ByteArrayInputStream bis = new ByteArrayInputStream(compressed);
    GZIPInputStream gzip = new GZIPInputStream(bis);
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();

    while ((nRead = gzip.read(data, 0, data.length)) != -1) {
        buffer.write(data, 0, nRead);
    }

    bis.close();
    gzip.close();
    return buffer.toByteArray();
}

From source file:net.es.nsi.common.util.ContentType.java

public static byte[] decode2ByteArray(String contentType, InputStream is) throws IOException {
    if (XGZIP.equalsIgnoreCase(contentType)) {
        return IOUtils.toByteArray(new GZIPInputStream(is));
    } else {/*from  w w w .  j  av a 2 s.co m*/
        return IOUtils.toByteArray(is);
    }
}

From source file:Main.java

static byte[] decompress(byte[] compressed) throws IOException {
    int nRead;//from   w  ww  . ja  v a 2s .co m
    byte[] data = new byte[2048];
    ByteArrayInputStream bis = new ByteArrayInputStream(compressed);
    GZIPInputStream gzip = new GZIPInputStream(bis);
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();

    while ((nRead = gzip.read(data, 0, data.length)) != -1) {
        buffer.write(data, 0, nRead);
    }

    gzip.close();
    bis.close();
    return buffer.toByteArray();
}

From source file:ca.uhn.fhir.jpa.dao.GZipUtil.java

public static String decompress(byte[] theResource) {
    GZIPInputStream is;/*from w  ww .j  a  v  a  2  s .com*/
    try {
        is = new GZIPInputStream(new ByteArrayInputStream(theResource));
        return IOUtils.toString(is, "UTF-8");
    } catch (IOException e) {
        throw new DataFormatException("Failed to decompress contents", e);
    }
}

From source file:Main.java

/**
 * @param xmlFile is the file to read//from   w ww  . j av a 2  s . co  m
 * @param compress if true, the file is assumed to be compressed with GZIP
 * @return the Document contained in that file
 */
public static Document readFile(File xmlFile, boolean compress) {
    ensureFactory();
    try {
        DocumentBuilder builder = mFactory.newDocumentBuilder();
        //builder.setEntityResolver(new EntityUtils());
        InputStream is = new FileInputStream(xmlFile);
        if (compress)
            is = new GZIPInputStream(is);
        Document ret = builder.parse(is);
        is.close();
        return ret;
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}

From source file:Main.java

private static InputStream toInputStream(File file) throws IOException {
    InputStream in = new FileInputStream(file);
    if (file.getName().endsWith(".gz")) {
        in = new GZIPInputStream(in);
    }// w w w  .  j  a  va2s.  co  m
    return in;
}

From source file:Main.java

/**
 * unzip some gzip compressed data/*from w w w  .  ja v  a 2  s  .  c o m*/
 * @param bytes the data to uncompress
 * @return the uncompressed data
 */
public static String gzipDecompress(byte[] bytes) {
    ByteArrayInputStream stream = new ByteArrayInputStream(bytes);
    try {
        GZIPInputStream gs = new GZIPInputStream(stream);
        BufferedInputStream bufis = new BufferedInputStream(gs);
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        byte[] buf = new byte[1024];
        int len;
        while ((len = bufis.read(buf)) > 0) {
            bos.write(buf, 0, len);
        }
        return bos.toString();
    } catch (IOException e) {
        return null;
    }
}

From source file:de.ocarthon.core.utility.GzipCompression.java

public static String decompress(InputStream inputStream) throws IOException {
    GZIPInputStream gis = null;//from ww w . j  a va 2s  . co m
    String json;

    try {
        gis = new GZIPInputStream(inputStream);
        json = IOUtils.toString(gis, "UTF-8");
    } finally {
        IOUtils.closeQuietly(gis);
    }

    return json;
}

From source file:com.mirth.connect.connectors.http.HttpUtil.java

public static String uncompressGzip(byte[] content, String charset) throws IOException {
    GZIPInputStream gzis = new GZIPInputStream(new ByteArrayInputStream(content));
    StringWriter writer = new StringWriter();
    IOUtils.copy(gzis, writer, charset);
    return writer.toString();
}