Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with this
 * work for additional information regarding copyright ownership. The ASF
 * licenses this file to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

import java.io.ByteArrayOutputStream;

import java.util.BitSet;

import java.util.zip.Deflater;

public class Main {
    private static byte[] compressBytesInflateDeflate(byte[] inBytes) {
        Deflater deflater = new Deflater(Deflater.BEST_SPEED);
        deflater.setInput(inBytes);
        ByteArrayOutputStream bos = new ByteArrayOutputStream(inBytes.length);
        deflater.finish();
        byte[] buffer = new byte[1024 * 8];
        while (!deflater.finished()) {
            int count = deflater.deflate(buffer);
            bos.write(buffer, 0, count);
        }
        byte[] output = bos.toByteArray();
        return output;
    }

    public static byte[] toByteArray(BitSet bits) {
        if (bits == null) {
            return null;
        }
        byte[] bytes = new byte[bits.length() / 8 + 1];
        for (int i = 0; i < bits.length(); i++) {
            if (bits.get(i)) {
                bytes[(bytes.length) - (i / 8) - 1] |= 1 << (i % 8);
            }
        }
        return bytes;
    }
}