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apache / felix-site-pub / ce5028da261c6ed2e1928e6338c81e1f24559823 / . / ipojo / api / 1.11.2 / src-html / org / apache / felix / ipojo / parser / FieldMetadata.html
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<pre><span class="sourceLineNo">001</span>/* <a name="line.1"></a>
<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a>
<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a>
<span class="sourceLineNo">009</span> *<a name="line.9"></a>
<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
<span class="sourceLineNo">011</span> *<a name="line.11"></a>
<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing,<a name="line.12"></a>
<span class="sourceLineNo">013</span> * software distributed under the License is distributed on an<a name="line.13"></a>
<span class="sourceLineNo">014</span> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.14"></a>
<span class="sourceLineNo">015</span> * KIND, either express or implied. See the License for the<a name="line.15"></a>
<span class="sourceLineNo">016</span> * specific language governing permissions and limitations<a name="line.16"></a>
<span class="sourceLineNo">017</span> * under the License.<a name="line.17"></a>
<span class="sourceLineNo">018</span> */<a name="line.18"></a>
<span class="sourceLineNo">019</span>package org.apache.felix.ipojo.parser;<a name="line.19"></a>
<span class="sourceLineNo">020</span><a name="line.20"></a>
<span class="sourceLineNo">021</span>import org.apache.felix.ipojo.metadata.Element;<a name="line.21"></a>
<span class="sourceLineNo">022</span><a name="line.22"></a>
<span class="sourceLineNo">023</span>/**<a name="line.23"></a>
<span class="sourceLineNo">024</span> * A Field Metadata represents a field of the implementation class.<a name="line.24"></a>
<span class="sourceLineNo">025</span> * This class avoids using reflection to get the type and the name of a field.<a name="line.25"></a>
<span class="sourceLineNo">026</span> * <a name="line.26"></a>
<span class="sourceLineNo">027</span> * @author &lt;a href="mailto:dev@felix.apache.org"&gt;Felix Project Team&lt;/a&gt;<a name="line.27"></a>
<span class="sourceLineNo">028</span> */<a name="line.28"></a>
<span class="sourceLineNo">029</span>public class FieldMetadata {<a name="line.29"></a>
<span class="sourceLineNo">030</span> <a name="line.30"></a>
<span class="sourceLineNo">031</span> /**<a name="line.31"></a>
<span class="sourceLineNo">032</span> * The name of the field.<a name="line.32"></a>
<span class="sourceLineNo">033</span> */<a name="line.33"></a>
<span class="sourceLineNo">034</span> private String m_name;<a name="line.34"></a>
<span class="sourceLineNo">035</span> <a name="line.35"></a>
<span class="sourceLineNo">036</span> /**<a name="line.36"></a>
<span class="sourceLineNo">037</span> * The yype of the field. <a name="line.37"></a>
<span class="sourceLineNo">038</span> */<a name="line.38"></a>
<span class="sourceLineNo">039</span> private String m_type;<a name="line.39"></a>
<span class="sourceLineNo">040</span> <a name="line.40"></a>
<span class="sourceLineNo">041</span> /**<a name="line.41"></a>
<span class="sourceLineNo">042</span> * Creates a field metadata.<a name="line.42"></a>
<span class="sourceLineNo">043</span> * This constructor is used when creating the {@link PojoMetadata}<a name="line.43"></a>
<span class="sourceLineNo">044</span> * object.<a name="line.44"></a>
<span class="sourceLineNo">045</span> * @param metadata the field manipulation element from Manipulation<a name="line.45"></a>
<span class="sourceLineNo">046</span> * Metadata.<a name="line.46"></a>
<span class="sourceLineNo">047</span> */<a name="line.47"></a>
<span class="sourceLineNo">048</span> FieldMetadata(Element metadata) {<a name="line.48"></a>
<span class="sourceLineNo">049</span> m_name = metadata.getAttribute("name");<a name="line.49"></a>
<span class="sourceLineNo">050</span> m_type = metadata.getAttribute("type");<a name="line.50"></a>
<span class="sourceLineNo">051</span> }<a name="line.51"></a>
<span class="sourceLineNo">052</span> <a name="line.52"></a>
<span class="sourceLineNo">053</span> /**<a name="line.53"></a>
<span class="sourceLineNo">054</span> * Creates a field metadata.<a name="line.54"></a>
<span class="sourceLineNo">055</span> * This constructor can be used to avoid using {@link PojoMetadata}.<a name="line.55"></a>
<span class="sourceLineNo">056</span> * Be care that creating such {@link FieldMetadata} does not assert its <a name="line.56"></a>
<span class="sourceLineNo">057</span> * presence in the implementation class.<a name="line.57"></a>
<span class="sourceLineNo">058</span> * @param field the field name.<a name="line.58"></a>
<span class="sourceLineNo">059</span> * @param type the type of the field.<a name="line.59"></a>
<span class="sourceLineNo">060</span> */<a name="line.60"></a>
<span class="sourceLineNo">061</span> public FieldMetadata(String field, String type) {<a name="line.61"></a>
<span class="sourceLineNo">062</span> m_name = field;<a name="line.62"></a>
<span class="sourceLineNo">063</span> m_type = type;<a name="line.63"></a>
<span class="sourceLineNo">064</span> }<a name="line.64"></a>
<span class="sourceLineNo">065</span> <a name="line.65"></a>
<span class="sourceLineNo">066</span> public String getFieldName() { return m_name; }<a name="line.66"></a>
<span class="sourceLineNo">067</span> <a name="line.67"></a>
<span class="sourceLineNo">068</span> public String getFieldType() { return m_type; }<a name="line.68"></a>
<span class="sourceLineNo">069</span> <a name="line.69"></a>
<span class="sourceLineNo">070</span> /**<a name="line.70"></a>
<span class="sourceLineNo">071</span> * Gets the 'reflective' type of the given type.<a name="line.71"></a>
<span class="sourceLineNo">072</span> * The reflective type is the type used by the Java Reflection API.<a name="line.72"></a>
<span class="sourceLineNo">073</span> * More precisely this method handles the array cases <a name="line.73"></a>
<span class="sourceLineNo">074</span> * @param type the type to analyze to find the Java reflective type.<a name="line.74"></a>
<span class="sourceLineNo">075</span> * @return the reflective type corresponding to this field.<a name="line.75"></a>
<span class="sourceLineNo">076</span> */<a name="line.76"></a>
<span class="sourceLineNo">077</span> public static String getReflectionType(String type) {<a name="line.77"></a>
<span class="sourceLineNo">078</span> // Primitive Array <a name="line.78"></a>
<span class="sourceLineNo">079</span> if (type.endsWith("[]") &amp;&amp; type.indexOf('.') == -1) {<a name="line.79"></a>
<span class="sourceLineNo">080</span> int index = type.indexOf('[');<a name="line.80"></a>
<span class="sourceLineNo">081</span> return '[' + getInternalPrimitiveType(type.substring(0, index));<a name="line.81"></a>
<span class="sourceLineNo">082</span> }<a name="line.82"></a>
<span class="sourceLineNo">083</span> // Non-Primitive Array <a name="line.83"></a>
<span class="sourceLineNo">084</span> if (type.endsWith("[]") &amp;&amp; type.indexOf('.') != -1) {<a name="line.84"></a>
<span class="sourceLineNo">085</span> int index = type.indexOf('[');<a name="line.85"></a>
<span class="sourceLineNo">086</span> return "[L" + type.substring(0, index) + ";";<a name="line.86"></a>
<span class="sourceLineNo">087</span> }<a name="line.87"></a>
<span class="sourceLineNo">088</span> // The type is not an array.<a name="line.88"></a>
<span class="sourceLineNo">089</span> return type;<a name="line.89"></a>
<span class="sourceLineNo">090</span> }<a name="line.90"></a>
<span class="sourceLineNo">091</span> <a name="line.91"></a>
<span class="sourceLineNo">092</span> /**<a name="line.92"></a>
<span class="sourceLineNo">093</span> * Gets the internal notation for primitive type.<a name="line.93"></a>
<span class="sourceLineNo">094</span> * @param string the String form of the type<a name="line.94"></a>
<span class="sourceLineNo">095</span> * @return the internal notation or &lt;code&gt;null&lt;/code&gt; if not found<a name="line.95"></a>
<span class="sourceLineNo">096</span> */<a name="line.96"></a>
<span class="sourceLineNo">097</span> public static String getInternalPrimitiveType(String string) {<a name="line.97"></a>
<span class="sourceLineNo">098</span> if (string.equalsIgnoreCase("boolean")) {<a name="line.98"></a>
<span class="sourceLineNo">099</span> return "Z";<a name="line.99"></a>
<span class="sourceLineNo">100</span> }<a name="line.100"></a>
<span class="sourceLineNo">101</span> if (string.equalsIgnoreCase("char")) {<a name="line.101"></a>
<span class="sourceLineNo">102</span> return "C";<a name="line.102"></a>
<span class="sourceLineNo">103</span> }<a name="line.103"></a>
<span class="sourceLineNo">104</span> if (string.equalsIgnoreCase("byte")) {<a name="line.104"></a>
<span class="sourceLineNo">105</span> return "B";<a name="line.105"></a>
<span class="sourceLineNo">106</span> }<a name="line.106"></a>
<span class="sourceLineNo">107</span> if (string.equalsIgnoreCase("short")) {<a name="line.107"></a>
<span class="sourceLineNo">108</span> return "S";<a name="line.108"></a>
<span class="sourceLineNo">109</span> }<a name="line.109"></a>
<span class="sourceLineNo">110</span> if (string.equalsIgnoreCase("int")) {<a name="line.110"></a>
<span class="sourceLineNo">111</span> return "I";<a name="line.111"></a>
<span class="sourceLineNo">112</span> }<a name="line.112"></a>
<span class="sourceLineNo">113</span> if (string.equalsIgnoreCase("float")) {<a name="line.113"></a>
<span class="sourceLineNo">114</span> return "F";<a name="line.114"></a>
<span class="sourceLineNo">115</span> }<a name="line.115"></a>
<span class="sourceLineNo">116</span> if (string.equalsIgnoreCase("long")) {<a name="line.116"></a>
<span class="sourceLineNo">117</span> return "J";<a name="line.117"></a>
<span class="sourceLineNo">118</span> }<a name="line.118"></a>
<span class="sourceLineNo">119</span> if (string.equalsIgnoreCase("double")) {<a name="line.119"></a>
<span class="sourceLineNo">120</span> return "D";<a name="line.120"></a>
<span class="sourceLineNo">121</span> }<a name="line.121"></a>
<span class="sourceLineNo">122</span> return null;<a name="line.122"></a>
<span class="sourceLineNo">123</span> }<a name="line.123"></a>
<span class="sourceLineNo">124</span> <a name="line.124"></a>
<span class="sourceLineNo">125</span> /**<a name="line.125"></a>
<span class="sourceLineNo">126</span> * Gets the iPOJO primitive type from the given primitive class.<a name="line.126"></a>
<span class="sourceLineNo">127</span> * @param clazz the class of the primitive type<a name="line.127"></a>
<span class="sourceLineNo">128</span> * @return the iPOJO primitive type name or &lt;code&gt;null&lt;/code&gt; if<a name="line.128"></a>
<span class="sourceLineNo">129</span> * not found.<a name="line.129"></a>
<span class="sourceLineNo">130</span> */<a name="line.130"></a>
<span class="sourceLineNo">131</span> public static String getPrimitiveTypeByClass(Class clazz) {<a name="line.131"></a>
<span class="sourceLineNo">132</span> if (clazz.equals(Boolean.TYPE)) {<a name="line.132"></a>
<span class="sourceLineNo">133</span> return "boolean";<a name="line.133"></a>
<span class="sourceLineNo">134</span> }<a name="line.134"></a>
<span class="sourceLineNo">135</span> if (clazz.equals(Character.TYPE)) {<a name="line.135"></a>
<span class="sourceLineNo">136</span> return "char";<a name="line.136"></a>
<span class="sourceLineNo">137</span> }<a name="line.137"></a>
<span class="sourceLineNo">138</span> if (clazz.equals(Byte.TYPE)) {<a name="line.138"></a>
<span class="sourceLineNo">139</span> return "byte";<a name="line.139"></a>
<span class="sourceLineNo">140</span> }<a name="line.140"></a>
<span class="sourceLineNo">141</span> if (clazz.equals(Short.TYPE)) {<a name="line.141"></a>
<span class="sourceLineNo">142</span> return "short";<a name="line.142"></a>
<span class="sourceLineNo">143</span> }<a name="line.143"></a>
<span class="sourceLineNo">144</span> if (clazz.equals(Integer.TYPE)) {<a name="line.144"></a>
<span class="sourceLineNo">145</span> return "int";<a name="line.145"></a>
<span class="sourceLineNo">146</span> }<a name="line.146"></a>
<span class="sourceLineNo">147</span> if (clazz.equals(Float.TYPE)) {<a name="line.147"></a>
<span class="sourceLineNo">148</span> return "float";<a name="line.148"></a>
<span class="sourceLineNo">149</span> }<a name="line.149"></a>
<span class="sourceLineNo">150</span> if (clazz.equals(Long.TYPE)) {<a name="line.150"></a>
<span class="sourceLineNo">151</span> return "long";<a name="line.151"></a>
<span class="sourceLineNo">152</span> }<a name="line.152"></a>
<span class="sourceLineNo">153</span> if (clazz.equals(Double.TYPE)) {<a name="line.153"></a>
<span class="sourceLineNo">154</span> return "double";<a name="line.154"></a>
<span class="sourceLineNo">155</span> }<a name="line.155"></a>
<span class="sourceLineNo">156</span> return null;<a name="line.156"></a>
<span class="sourceLineNo">157</span> }<a name="line.157"></a>
<span class="sourceLineNo">158</span><a name="line.158"></a>
<span class="sourceLineNo">159</span>}<a name="line.159"></a>
</pre>
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