Android GZip String uncompress(String str)

Description

uncompress

License

Open Source License

Declaration

public static String uncompress(String str) throws IOException 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;

import java.util.zip.GZIPInputStream;

public class Main {

    public static String uncompress(String str) throws IOException {
        if (str == null || str.length() == 0) {
            return str;
        }//from   w  ww  . ja v a  2s.c  om
        ByteArrayInputStream in = new ByteArrayInputStream(
                str.getBytes("UTF-8"));
        return uncompress(in);
    }

    public static String uncompress(InputStream inputStream)
            throws IOException {
        if (inputStream == null) {
            return null;
        }
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        GZIPInputStream gunzip = new GZIPInputStream(inputStream);
        byte[] buffer = new byte[256];
        int n;
        while ((n = gunzip.read(buffer)) >= 0) {
            out.write(buffer, 0, n);
        }
        return out.toString();
    }
}

Related

1. compress(String str)