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.Arrays;

public class Main {

    public static void writeCString(OutputStream out, String s) throws IOException {
        writeCString(out, s, "utf-8");
    }

    public static void writeCString(OutputStream os, String s, String characterSet) throws IOException {
        if (s == null || s.length() == 0) {
            os.write(0);
            return;
        }
        if (characterSet == null) {
            characterSet = "utf-8";
        }
        byte[] bytes = s.getBytes(characterSet);
        writeCLenData(os, bytes);
    }

    public static void writeCString(OutputStream out, String s, int fixedLen) throws IOException {
        byte[] bytes = s.getBytes();
        out.write(bytes.length);
        fixedLen -= 1;

        if (fixedLen <= 0)
            return;

        if (fixedLen <= bytes.length) {
            out.write(bytes, 0, fixedLen);
        } else {
            out.write(bytes);
            byte[] fillBytes = new byte[fixedLen - bytes.length];
            Arrays.fill(fillBytes, (byte) 0);
            out.write(fillBytes);
        }

        out.flush();
    }

    public static void writeCString(OutputStream out, String s, String characterSet, int fixedLen)
            throws IOException {
        byte[] bytes = s.getBytes(characterSet);
        out.write(bytes.length);
        fixedLen -= 1;

        if (fixedLen <= 0)
            return;

        if (fixedLen <= bytes.length) {
            out.write(bytes, 0, fixedLen);
        } else {
            out.write(bytes);
            byte[] fillBytes = new byte[fixedLen - bytes.length];
            Arrays.fill(fillBytes, (byte) 0);
            out.write(fillBytes);
        }

        out.flush();
    }

    public static void writeCLenData(OutputStream os, byte[] bytes) throws IOException {
        if (bytes == null) {
            os.write(0);
        } else {
            os.write(bytes.length);
            os.write(bytes);
        }
    }
}