Here you can find the source of asBoolean(String value, boolean defaultValue)
public static boolean asBoolean(String value, boolean defaultValue)
//package com.java2s; /*/*from ww w. jav a 2 s . c o m*/ * JasperReports - Free Java Reporting Library. * Copyright (C) 2001 - 2014 TIBCO Software Inc. All rights reserved. * http://www.jaspersoft.com * * Unless you have purchased a commercial license agreement from Jaspersoft, * the following license terms apply: * * This program is part of JasperReports. * * JasperReports is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * JasperReports is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with JasperReports. If not, see <http://www.gnu.org/licenses/>. */ public class Main { /** * Converts a <code>String</code> value into a <code>boolean</code>. * * @param value the value * @return the value as a <code>boolean</code> */ public static boolean asBoolean(String value) { return Boolean.valueOf(value == null ? value : value.trim()) .booleanValue(); } public static boolean asBoolean(String value, boolean defaultValue) { return value == null ? defaultValue : Boolean.valueOf(value.trim()) .booleanValue(); } }