Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.io.IOException;

import java.io.OutputStream;

import java.util.Map;

public class Main {
    public static void writeStringStringMap(Map<String, String> map, OutputStream os) throws IOException {
        if (map != null) {
            writeInt(os, map.size());
            for (Map.Entry<String, String> entry : map.entrySet()) {
                writeString(os, entry.getKey());
                writeString(os, entry.getValue());
            }
        } else {
            writeInt(os, 0);
        }
    }

    public static void writeInt(OutputStream os, int n) throws IOException {
        os.write((n >> 0) & 0xff);
        os.write((n >> 8) & 0xff);
        os.write((n >> 16) & 0xff);
        os.write((n >> 24) & 0xff);
    }

    public static void writeString(OutputStream os, String s) throws IOException {
        byte[] b = s.getBytes("UTF-8");
        writeLong(os, b.length);
        os.write(b, 0, b.length);
    }

    public static void writeLong(OutputStream os, long n) throws IOException {
        os.write((byte) (n >>> 0));
        os.write((byte) (n >>> 8));
        os.write((byte) (n >>> 16));
        os.write((byte) (n >>> 24));
        os.write((byte) (n >>> 32));
        os.write((byte) (n >>> 40));
        os.write((byte) (n >>> 48));
        os.write((byte) (n >>> 56));
    }
}