shell 调用java_02

EncryptTool.java文件main()：

    public static void main(String args[])
    {
        if (null == args || args.length <= 1 || args[0].equals("-help"))
        {
            printHelp();
            return;
        }        
        if (args.length > 2)
        {
            System.out.println("usage: bus_encrypt.sh MD5 parameter or bus_encrypt.sh AES parameter");
            return;
        }        
        List options = Arrays.asList(args);
        String encryptAlgorithm = "AES";
        EncryptTool tool = new EncryptTool();
        try
        {
            //AES加密；
            if (args.length == 2 && args[0].equalsIgnoreCase("AES"))
            {
                System.out.println(tool.encrypt(args[1], encryptAlgorithm));
            } //MD5加密；
            else if (args.length == 2 && args[0].equalsIgnoreCase("MD5"))
            {
                System.out.println(tool.md5Encrypt(args[1]));
            }
        }
        catch (Exception e)
        {
            System.out.println("Error occured durring encrypting: " + e);
        }
    }