Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) 2015 AChep@xda <artemchep@gmail.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA  02110-1301, USA.
 */

import android.support.annotation.Nullable;
import android.util.Base64;

import java.io.ByteArrayInputStream;

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

public class Main {
    private static final int BUFFER_SIZE = 32;

    @Nullable
    public static String decompress(String input) {
        StringBuilder sb = new StringBuilder();
        ByteArrayInputStream is = null;
        GZIPInputStream gis = null;
        try {
            final byte[] bytes = Base64.decode(input, Base64.DEFAULT);
            is = new ByteArrayInputStream(bytes);
            gis = new GZIPInputStream(is, BUFFER_SIZE);

            int cache;
            final byte[] data = new byte[BUFFER_SIZE];
            while ((cache = gis.read(data)) != -1) {
                sb.append(new String(data, 0, cache));
            }
        } catch (IOException e) {
            return null;
        } finally {
            try {
                if (gis != null)
                    gis.close();
                if (is != null)
                    is.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return sb.toString();
    }
}