Here you can find the source of toBoolean(String value)
public static Boolean toBoolean(String value)
//package com.java2s; /*/*from w ww .ja v a 2 s . co m*/ * Copyright 2011-2012 SERLI (www.serli.com) * * 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. * under the License. */ public class Main { public static Boolean toBoolean(String value) { return toBoolean(value, Boolean.FALSE); } public static Boolean toBoolean(String value, Boolean defaultValue) { if (value == null || value.length() == 0) { return defaultValue; } else if ("true".equalsIgnoreCase(value)) { return Boolean.TRUE; } else if ("false".equalsIgnoreCase(value)) { return Boolean.FALSE; } return defaultValue; } }