Java GZip Read getGZIPContents(File f)

Description

get GZIP Contents

License

GNU General Public License

Declaration

public static String getGZIPContents(File f) throws IOException 

Method Source Code

//package com.java2s;
/**/*from   w  ww.  j  av a  2 s . c om*/
 *
 * This file is part of the Persistent-HashMap library.
 * Copyright (C) 2010 Jamie Furness (http://www.jamierf.co.uk)
 * License: http://www.gnu.org/licenses/gpl.html GPL version 3 (or higher)
 *
 */

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;

import java.io.IOException;
import java.io.InputStreamReader;

import java.io.Reader;
import java.util.zip.GZIPInputStream;

public class Main {
    protected static final int BUFFER_SIZE = 4096;

    public static String getGZIPContents(File f) throws IOException {
        return getStringFromReader(
                new BufferedReader(new InputStreamReader(new GZIPInputStream(new FileInputStream(f)))));
    }

    protected static String getStringFromReader(Reader in) throws IOException {
        StringBuffer outBuffer = new StringBuffer();

        char[] inBuffer = new char[BUFFER_SIZE];
        int read;
        while ((read = in.read(inBuffer, 0, BUFFER_SIZE)) != -1)
            outBuffer.append(inBuffer, 0, read);

        in.close();

        return outBuffer.toString();
    }
}

Related

1. getGzipByteArrayOutputStream(String domJson)
2. getGzipExpandedBytes(File file)
3. getGzippedBytesAsString(byte[] bytes)
4. getGZippedContent(byte[] content)