Here you can find the source of getAttributeBoolean(final Node node, final String name, final Boolean defaultValue)
final public static Boolean getAttributeBoolean(final Node node, final String name, final Boolean defaultValue)
//package com.java2s; /** //from ww w . ja v a2 s . c o m * License Agreement for OpenSearchServer * * Copyright (C) 2008-2013 Emmanuel Keller / Jaeksoft * * http://www.open-search-server.com * * This file is part of OpenSearchServer. * * OpenSearchServer is free software: you can redistribute it and/or * modify it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * OpenSearchServer 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with OpenSearchServer. * If not, see <http://www.gnu.org/licenses/>. **/ import org.w3c.dom.NamedNodeMap; import org.w3c.dom.Node; public class Main { final public static Boolean getAttributeBoolean(final Node node, final String name, final Boolean defaultValue) { String value = getAttributeText(node, name); if (value == null) return defaultValue; if ("yes".equalsIgnoreCase(value)) return true; if ("no".equalsIgnoreCase(value)) return false; return Boolean.parseBoolean(value); } final public static String getAttributeText(final Node node, final String name) { NamedNodeMap nnm = node.getAttributes(); if (nnm == null) return null; Node attr = nnm.getNamedItem(name); if (attr == null) return null; return attr.getNodeValue(); } final public static String getAttributeText(final Node node, final String name, final String defaultValue) { String attr = getAttributeText(node, name); return attr == null ? defaultValue : attr; } }