Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
// Licensed under the Apache License, Version 2.0 (the "License");

public class Main {
    private static final String TYPE_URL_PREFIX = "type.googleapis.com/";

    /**
     * @return the class name of a proto from its type url. For example, return AesGcmKey
     * if the type url is type.googleapis.com/google.cloud.crypto.tink.AesGcmKey.
     * @throws IllegalArgumentException if {@code typeUrl} is in invalid format.
     */
    public static String getProtoClassName(String typeUrl) throws IllegalArgumentException {
        validate(typeUrl);
        int dot = typeUrl.lastIndexOf(".");
        return typeUrl.substring(dot + 1);
    }

    /**
     * @throws IllegalArgumentException if {@code typeUrl} is in invalid format.
     */
    public static void validate(String typeUrl) throws IllegalArgumentException {
        if (!typeUrl.startsWith(TYPE_URL_PREFIX)) {
            throw new IllegalArgumentException(String
                    .format("Error: type URL %s is invalid; it must start with %s\n", typeUrl, TYPE_URL_PREFIX));
        }
    }
}