00001 00002 // 00003 // XML storage classes version 1.2 00004 // 00005 // XMLBoolRef.java 00006 // 00007 // Copyright (c) 2004, 2005 Martin Fuchs <martin-fuchs@gmx.net> 00008 // 00009 00010 00011 /* 00012 00013 All rights reserved. 00014 00015 Redistribution and use in source and binary forms, with or without 00016 modification, are permitted provided that the following conditions are met: 00017 00018 * Redistributions of source code must retain the above copyright 00019 notice, this list of conditions and the following disclaimer. 00020 * Redistributions in binary form must reproduce the above copyright 00021 notice, this list of conditions and the following disclaimer in 00022 the documentation and/or other materials provided with the 00023 distribution. 00024 00025 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00026 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00027 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00028 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 00029 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00030 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00031 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00032 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00033 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00034 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00035 POSSIBILITY OF SUCH DAMAGE. 00036 00037 */ 00038 00039 package de.mfuchs.xmlstorage; 00040 00041 00042 /** 00043 * XMLBoolRef is a type converter for boolean data with write access. 00044 */ 00045 public class XMLBoolRef 00046 { 00047 public XMLBoolRef(XMLNode node, final String attrName) 00048 { 00049 this(node, attrName, false); 00050 } 00051 00052 public XMLBoolRef(XMLNode node, final String attrName, boolean def/*=false*/) 00053 { 00054 _node = node; 00055 _attrName = attrName; 00056 00057 if (node != null) 00058 if (node.get(attrName).length() == 0) 00059 assign(def); 00060 } 00061 00062 /** 00063 * @return boolean value of referenced node 00064 */ 00065 public boolean boolValue() 00066 { 00067 if (_node != null) 00068 return Boolean.valueOf(_node.get(_attrName)).booleanValue(); 00069 else 00070 return false; 00071 } 00072 00073 /** 00074 * Set boolean value in referenced node. 00075 * @param value 00076 */ 00077 public void assign(boolean value) 00078 { 00079 if (_node != null) 00080 _node.put(_attrName, String.valueOf(value)); 00081 } 00082 00083 protected final XMLNode _node; 00084 protected final String _attrName; 00085 }