Here you can find the source of atob(String s)
public static boolean atob(String s)
//package com.java2s; /**/*from www . j ava 2 s . co m*/ * Copyright 2014 LinkedIn Corp. All rights reserved. * Licensed 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. */ public class Main { public static boolean atob(String s) { if (s == null || s.length() < 1) throw new IllegalArgumentException("Cannot convert empty string to boolean"); s = s.toLowerCase().trim(); if (s.equals("true")) return true; if (s.equals("false")) return false; if (s.equals("1")) return true; if (s.equals("0")) return false; throw new IllegalArgumentException("Cannot convert '" + s + "' to boolean"); } }