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<FONT color="green">001</FONT> /*<a name="line.1"></a>
<FONT color="green">002</FONT> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
<FONT color="green">003</FONT> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
<FONT color="green">004</FONT> * distributed with this work for additional information<a name="line.4"></a>
<FONT color="green">005</FONT> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a>
<FONT color="green">006</FONT> * to you under the Apache License, Version 2.0 (the "License");<a name="line.6"></a>
<FONT color="green">007</FONT> * you may not use this file except in compliance with the License.<a name="line.7"></a>
<FONT color="green">008</FONT> * You may obtain a copy of the License at<a name="line.8"></a>
<FONT color="green">009</FONT> *<a name="line.9"></a>
<FONT color="green">010</FONT> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
<FONT color="green">011</FONT> *<a name="line.11"></a>
<FONT color="green">012</FONT> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
<FONT color="green">013</FONT> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
<FONT color="green">014</FONT> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
<FONT color="green">015</FONT> * See the License for the specific language governing permissions and<a name="line.15"></a>
<FONT color="green">016</FONT> * limitations under the License.<a name="line.16"></a>
<FONT color="green">017</FONT> */<a name="line.17"></a>
<FONT color="green">018</FONT> /*<a name="line.18"></a>
<FONT color="green">019</FONT> * $Id: XBoolean.java 1225282 2011-12-28 18:55:38Z mrglavas $<a name="line.19"></a>
<FONT color="green">020</FONT> */<a name="line.20"></a>
<FONT color="green">021</FONT> package org.apache.xpath.objects;<a name="line.21"></a>
<FONT color="green">022</FONT> <a name="line.22"></a>
<FONT color="green">023</FONT> /**<a name="line.23"></a>
<FONT color="green">024</FONT> * This class represents an XPath boolean object, and is capable of<a name="line.24"></a>
<FONT color="green">025</FONT> * converting the boolean to other types, such as a string.<a name="line.25"></a>
<FONT color="green">026</FONT> * @xsl.usage advanced<a name="line.26"></a>
<FONT color="green">027</FONT> */<a name="line.27"></a>
<FONT color="green">028</FONT> public class XBoolean extends XObject<a name="line.28"></a>
<FONT color="green">029</FONT> {<a name="line.29"></a>
<FONT color="green">030</FONT> static final long serialVersionUID = -2964933058866100881L;<a name="line.30"></a>
<FONT color="green">031</FONT> <a name="line.31"></a>
<FONT color="green">032</FONT> /**<a name="line.32"></a>
<FONT color="green">033</FONT> * A true boolean object so we don't have to keep creating them.<a name="line.33"></a>
<FONT color="green">034</FONT> * @xsl.usage internal<a name="line.34"></a>
<FONT color="green">035</FONT> */<a name="line.35"></a>
<FONT color="green">036</FONT> public static final XBoolean S_TRUE = new XBooleanStatic(true);<a name="line.36"></a>
<FONT color="green">037</FONT> <a name="line.37"></a>
<FONT color="green">038</FONT> /**<a name="line.38"></a>
<FONT color="green">039</FONT> * A true boolean object so we don't have to keep creating them.<a name="line.39"></a>
<FONT color="green">040</FONT> * @xsl.usage internal<a name="line.40"></a>
<FONT color="green">041</FONT> */<a name="line.41"></a>
<FONT color="green">042</FONT> public static final XBoolean S_FALSE = new XBooleanStatic(false);<a name="line.42"></a>
<FONT color="green">043</FONT> <a name="line.43"></a>
<FONT color="green">044</FONT> /** Value of the object.<a name="line.44"></a>
<FONT color="green">045</FONT> * @serial */<a name="line.45"></a>
<FONT color="green">046</FONT> private final boolean m_val;<a name="line.46"></a>
<FONT color="green">047</FONT> <a name="line.47"></a>
<FONT color="green">048</FONT> /**<a name="line.48"></a>
<FONT color="green">049</FONT> * Construct a XBoolean object.<a name="line.49"></a>
<FONT color="green">050</FONT> *<a name="line.50"></a>
<FONT color="green">051</FONT> * @param b Value of the boolean object<a name="line.51"></a>
<FONT color="green">052</FONT> */<a name="line.52"></a>
<FONT color="green">053</FONT> public XBoolean(boolean b)<a name="line.53"></a>
<FONT color="green">054</FONT> {<a name="line.54"></a>
<FONT color="green">055</FONT> <a name="line.55"></a>
<FONT color="green">056</FONT> super();<a name="line.56"></a>
<FONT color="green">057</FONT> <a name="line.57"></a>
<FONT color="green">058</FONT> m_val = b;<a name="line.58"></a>
<FONT color="green">059</FONT> }<a name="line.59"></a>
<FONT color="green">060</FONT> <a name="line.60"></a>
<FONT color="green">061</FONT> /**<a name="line.61"></a>
<FONT color="green">062</FONT> * Construct a XBoolean object.<a name="line.62"></a>
<FONT color="green">063</FONT> *<a name="line.63"></a>
<FONT color="green">064</FONT> * @param b Value of the boolean object<a name="line.64"></a>
<FONT color="green">065</FONT> */<a name="line.65"></a>
<FONT color="green">066</FONT> public XBoolean(Boolean b)<a name="line.66"></a>
<FONT color="green">067</FONT> {<a name="line.67"></a>
<FONT color="green">068</FONT> <a name="line.68"></a>
<FONT color="green">069</FONT> super();<a name="line.69"></a>
<FONT color="green">070</FONT> <a name="line.70"></a>
<FONT color="green">071</FONT> m_val = b.booleanValue();<a name="line.71"></a>
<FONT color="green">072</FONT> setObject(b);<a name="line.72"></a>
<FONT color="green">073</FONT> }<a name="line.73"></a>
<FONT color="green">074</FONT> <a name="line.74"></a>
<FONT color="green">075</FONT> <a name="line.75"></a>
<FONT color="green">076</FONT> /**<a name="line.76"></a>
<FONT color="green">077</FONT> * Tell that this is a CLASS_BOOLEAN.<a name="line.77"></a>
<FONT color="green">078</FONT> *<a name="line.78"></a>
<FONT color="green">079</FONT> * @return type of CLASS_BOOLEAN<a name="line.79"></a>
<FONT color="green">080</FONT> */<a name="line.80"></a>
<FONT color="green">081</FONT> public int getType()<a name="line.81"></a>
<FONT color="green">082</FONT> {<a name="line.82"></a>
<FONT color="green">083</FONT> return CLASS_BOOLEAN;<a name="line.83"></a>
<FONT color="green">084</FONT> }<a name="line.84"></a>
<FONT color="green">085</FONT> <a name="line.85"></a>
<FONT color="green">086</FONT> /**<a name="line.86"></a>
<FONT color="green">087</FONT> * Given a request type, return the equivalent string.<a name="line.87"></a>
<FONT color="green">088</FONT> * For diagnostic purposes.<a name="line.88"></a>
<FONT color="green">089</FONT> *<a name="line.89"></a>
<FONT color="green">090</FONT> * @return type string "#BOOLEAN"<a name="line.90"></a>
<FONT color="green">091</FONT> */<a name="line.91"></a>
<FONT color="green">092</FONT> public String getTypeString()<a name="line.92"></a>
<FONT color="green">093</FONT> {<a name="line.93"></a>
<FONT color="green">094</FONT> return "#BOOLEAN";<a name="line.94"></a>
<FONT color="green">095</FONT> }<a name="line.95"></a>
<FONT color="green">096</FONT> <a name="line.96"></a>
<FONT color="green">097</FONT> /**<a name="line.97"></a>
<FONT color="green">098</FONT> * Cast result object to a number.<a name="line.98"></a>
<FONT color="green">099</FONT> *<a name="line.99"></a>
<FONT color="green">100</FONT> * @return numeric value of the object value<a name="line.100"></a>
<FONT color="green">101</FONT> */<a name="line.101"></a>
<FONT color="green">102</FONT> public double num()<a name="line.102"></a>
<FONT color="green">103</FONT> {<a name="line.103"></a>
<FONT color="green">104</FONT> return m_val ? 1.0 : 0.0;<a name="line.104"></a>
<FONT color="green">105</FONT> }<a name="line.105"></a>
<FONT color="green">106</FONT> <a name="line.106"></a>
<FONT color="green">107</FONT> /**<a name="line.107"></a>
<FONT color="green">108</FONT> * Cast result object to a boolean.<a name="line.108"></a>
<FONT color="green">109</FONT> *<a name="line.109"></a>
<FONT color="green">110</FONT> * @return The object value as a boolean<a name="line.110"></a>
<FONT color="green">111</FONT> */<a name="line.111"></a>
<FONT color="green">112</FONT> public boolean bool()<a name="line.112"></a>
<FONT color="green">113</FONT> {<a name="line.113"></a>
<FONT color="green">114</FONT> return m_val;<a name="line.114"></a>
<FONT color="green">115</FONT> }<a name="line.115"></a>
<FONT color="green">116</FONT> <a name="line.116"></a>
<FONT color="green">117</FONT> /**<a name="line.117"></a>
<FONT color="green">118</FONT> * Cast result object to a string.<a name="line.118"></a>
<FONT color="green">119</FONT> *<a name="line.119"></a>
<FONT color="green">120</FONT> * @return The object's value as a string<a name="line.120"></a>
<FONT color="green">121</FONT> */<a name="line.121"></a>
<FONT color="green">122</FONT> public String str()<a name="line.122"></a>
<FONT color="green">123</FONT> {<a name="line.123"></a>
<FONT color="green">124</FONT> return m_val ? "true" : "false";<a name="line.124"></a>
<FONT color="green">125</FONT> }<a name="line.125"></a>
<FONT color="green">126</FONT> <a name="line.126"></a>
<FONT color="green">127</FONT> /**<a name="line.127"></a>
<FONT color="green">128</FONT> * Return a java object that's closest to the representation<a name="line.128"></a>
<FONT color="green">129</FONT> * that should be handed to an extension.<a name="line.129"></a>
<FONT color="green">130</FONT> *<a name="line.130"></a>
<FONT color="green">131</FONT> * @return The object's value as a java object<a name="line.131"></a>
<FONT color="green">132</FONT> */<a name="line.132"></a>
<FONT color="green">133</FONT> public Object object()<a name="line.133"></a>
<FONT color="green">134</FONT> {<a name="line.134"></a>
<FONT color="green">135</FONT> if(null == m_obj)<a name="line.135"></a>
<FONT color="green">136</FONT> setObject(m_val ? Boolean.TRUE : Boolean.FALSE);<a name="line.136"></a>
<FONT color="green">137</FONT> return m_obj;<a name="line.137"></a>
<FONT color="green">138</FONT> }<a name="line.138"></a>
<FONT color="green">139</FONT> <a name="line.139"></a>
<FONT color="green">140</FONT> /**<a name="line.140"></a>
<FONT color="green">141</FONT> * Tell if two objects are functionally equal.<a name="line.141"></a>
<FONT color="green">142</FONT> *<a name="line.142"></a>
<FONT color="green">143</FONT> * @param obj2 Object to compare to this <a name="line.143"></a>
<FONT color="green">144</FONT> *<a name="line.144"></a>
<FONT color="green">145</FONT> * @return True if the two objects are equal<a name="line.145"></a>
<FONT color="green">146</FONT> *<a name="line.146"></a>
<FONT color="green">147</FONT> * @throws javax.xml.transform.TransformerException<a name="line.147"></a>
<FONT color="green">148</FONT> */<a name="line.148"></a>
<FONT color="green">149</FONT> public boolean equals(XObject obj2)<a name="line.149"></a>
<FONT color="green">150</FONT> {<a name="line.150"></a>
<FONT color="green">151</FONT> <a name="line.151"></a>
<FONT color="green">152</FONT> // In order to handle the 'all' semantics of <a name="line.152"></a>
<FONT color="green">153</FONT> // nodeset comparisons, we always call the <a name="line.153"></a>
<FONT color="green">154</FONT> // nodeset function.<a name="line.154"></a>
<FONT color="green">155</FONT> if (obj2.getType() == XObject.CLASS_NODESET)<a name="line.155"></a>
<FONT color="green">156</FONT> return obj2.equals(this);<a name="line.156"></a>
<FONT color="green">157</FONT> <a name="line.157"></a>
<FONT color="green">158</FONT> try<a name="line.158"></a>
<FONT color="green">159</FONT> {<a name="line.159"></a>
<FONT color="green">160</FONT> return m_val == obj2.bool();<a name="line.160"></a>
<FONT color="green">161</FONT> }<a name="line.161"></a>
<FONT color="green">162</FONT> catch(javax.xml.transform.TransformerException te)<a name="line.162"></a>
<FONT color="green">163</FONT> {<a name="line.163"></a>
<FONT color="green">164</FONT> throw new org.apache.xml.utils.WrappedRuntimeException(te);<a name="line.164"></a>
<FONT color="green">165</FONT> }<a name="line.165"></a>
<FONT color="green">166</FONT> }<a name="line.166"></a>
<FONT color="green">167</FONT> <a name="line.167"></a>
<FONT color="green">168</FONT> }<a name="line.168"></a>
</PRE>
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