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websites/production/commons/content/proper/commons-beanutils/xref/org/apache/commons/beanutils/BeanIntrospectionData.html
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---
websites/production/commons/content/proper/commons-beanutils/xref/org/apache/commons/beanutils/BeanIntrospectionData.html
(added)
+++
websites/production/commons/content/proper/commons-beanutils/xref/org/apache/commons/beanutils/BeanIntrospectionData.html
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@@ -0,0 +1,164 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd";>
+<html xmlns="http://www.w3.org/1999/xhtml"; xml:lang="en" lang="en">
+<head>
+<meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
+<title>BeanIntrospectionData xref</title>
+<link type="text/css" rel="stylesheet" href="../../../../stylesheet.css" />
+</head>
+<body>
+<div id="overview"><a
href="../../../../../apidocs/org/apache/commons/beanutils/BeanIntrospectionData.html">View
Javadoc</a></div><pre>
+
+<a class="jxr_linenumber" name="1" href="#1">1</a> <em
class="jxr_comment">/*</em>
+<a class="jxr_linenumber" name="2" href="#2">2</a> <em class="jxr_comment">
* Licensed to the Apache Software Foundation (ASF) under one or more</em>
+<a class="jxr_linenumber" name="3" href="#3">3</a> <em class="jxr_comment">
* contributor license agreements. See the NOTICE file distributed with</em>
+<a class="jxr_linenumber" name="4" href="#4">4</a> <em class="jxr_comment">
* this work for additional information regarding copyright ownership.</em>
+<a class="jxr_linenumber" name="5" href="#5">5</a> <em class="jxr_comment">
* The ASF licenses this file to You under the Apache License, Version 2.0</em>
+<a class="jxr_linenumber" name="6" href="#6">6</a> <em class="jxr_comment">
* (the "License"); you may not use this file except in compliance with</em>
+<a class="jxr_linenumber" name="7" href="#7">7</a> <em class="jxr_comment">
* the License. You may obtain a copy of the License at</em>
+<a class="jxr_linenumber" name="8" href="#8">8</a> <em class="jxr_comment">
*</em>
+<a class="jxr_linenumber" name="9" href="#9">9</a> <em class="jxr_comment">
* <a href="http://www.apache.org/licenses/LICENSE-2.0";
target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
+<a class="jxr_linenumber" name="10" href="#10">10</a> <em
class="jxr_comment"> *</em>
+<a class="jxr_linenumber" name="11" href="#11">11</a> <em
class="jxr_comment"> * Unless required by applicable law or agreed to in
writing, software</em>
+<a class="jxr_linenumber" name="12" href="#12">12</a> <em
class="jxr_comment"> * distributed under the License is distributed on an "AS
IS" BASIS,</em>
+<a class="jxr_linenumber" name="13" href="#13">13</a> <em
class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
express or implied.</em>
+<a class="jxr_linenumber" name="14" href="#14">14</a> <em
class="jxr_comment"> * See the License for the specific language governing
permissions and</em>
+<a class="jxr_linenumber" name="15" href="#15">15</a> <em
class="jxr_comment"> * limitations under the License.</em>
+<a class="jxr_linenumber" name="16" href="#16">16</a> <em
class="jxr_comment"> */</em>
+<a class="jxr_linenumber" name="17" href="#17">17</a> <strong
class="jxr_keyword">package</strong> org.apache.commons.beanutils;
+<a class="jxr_linenumber" name="18" href="#18">18</a>
+<a class="jxr_linenumber" name="19" href="#19">19</a> <strong
class="jxr_keyword">import</strong> java.beans.IntrospectionException;
+<a class="jxr_linenumber" name="20" href="#20">20</a> <strong
class="jxr_keyword">import</strong> java.beans.PropertyDescriptor;
+<a class="jxr_linenumber" name="21" href="#21">21</a> <strong
class="jxr_keyword">import</strong> java.lang.reflect.Method;
+<a class="jxr_linenumber" name="22" href="#22">22</a> <strong
class="jxr_keyword">import</strong> java.util.HashMap;
+<a class="jxr_linenumber" name="23" href="#23">23</a> <strong
class="jxr_keyword">import</strong> java.util.Map;
+<a class="jxr_linenumber" name="24" href="#24">24</a>
+<a class="jxr_linenumber" name="25" href="#25">25</a> <em
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="26" href="#26">26</a> <em
class="jxr_javadoccomment"> * <p></em>
+<a class="jxr_linenumber" name="27" href="#27">27</a> <em
class="jxr_javadoccomment"> * An internally used helper class for storing
introspection information about a bean</em>
+<a class="jxr_linenumber" name="28" href="#28">28</a> <em
class="jxr_javadoccomment"> * class.</em>
+<a class="jxr_linenumber" name="29" href="#29">29</a> <em
class="jxr_javadoccomment"> * </p></em>
+<a class="jxr_linenumber" name="30" href="#30">30</a> <em
class="jxr_javadoccomment"> * <p></em>
+<a class="jxr_linenumber" name="31" href="#31">31</a> <em
class="jxr_javadoccomment"> * This class is used by {@link PropertyUtilsBean}.
When accessing bean properties via</em>
+<a class="jxr_linenumber" name="32" href="#32">32</a> <em
class="jxr_javadoccomment"> * reflection information about the properties
available and their types and access</em>
+<a class="jxr_linenumber" name="33" href="#33">33</a> <em
class="jxr_javadoccomment"> * methods must be present. {@code
PropertyUtilsBean} stores this information in a cache</em>
+<a class="jxr_linenumber" name="34" href="#34">34</a> <em
class="jxr_javadoccomment"> * so that it can be accessed quickly. The cache
stores instances of this class.</em>
+<a class="jxr_linenumber" name="35" href="#35">35</a> <em
class="jxr_javadoccomment"> * </p></em>
+<a class="jxr_linenumber" name="36" href="#36">36</a> <em
class="jxr_javadoccomment"> * <p></em>
+<a class="jxr_linenumber" name="37" href="#37">37</a> <em
class="jxr_javadoccomment"> * This class mainly stores information about the
properties of a bean class. Per default,</em>
+<a class="jxr_linenumber" name="38" href="#38">38</a> <em
class="jxr_javadoccomment"> * this is contained in {@code PropertyDescriptor}
objects. Some additional information</em>
+<a class="jxr_linenumber" name="39" href="#39">39</a> <em
class="jxr_javadoccomment"> * required by the {@code BeanUtils} library is also
stored here.</em>
+<a class="jxr_linenumber" name="40" href="#40">40</a> <em
class="jxr_javadoccomment"> * </p></em>
+<a class="jxr_linenumber" name="41" href="#41">41</a> <em
class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="42" href="#42">42</a> <em
class="jxr_javadoccomment"> * @version $Id$</em>
+<a class="jxr_linenumber" name="43" href="#43">43</a> <em
class="jxr_javadoccomment"> * @since 1.9.1</em>
+<a class="jxr_linenumber" name="44" href="#44">44</a> <em
class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="45" href="#45">45</a> <strong
class="jxr_keyword">class</strong> <a
href="../../../../org/apache/commons/beanutils/BeanIntrospectionData.html">BeanIntrospectionData</a>
{
+<a class="jxr_linenumber" name="46" href="#46">46</a> <em
class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> An array
with property descriptors for the managed bean class. */</em>
+<a class="jxr_linenumber" name="47" href="#47">47</a> <strong
class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong>
PropertyDescriptor[] descriptors;
+<a class="jxr_linenumber" name="48" href="#48">48</a>
+<a class="jxr_linenumber" name="49" href="#49">49</a> <em
class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> A map for
remembering the write method names for properties. */</em>
+<a class="jxr_linenumber" name="50" href="#50">50</a> <strong
class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong>
Map<String, String> writeMethodNames;
+<a class="jxr_linenumber" name="51" href="#51">51</a>
+<a class="jxr_linenumber" name="52" href="#52">52</a> <em
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="53" href="#53">53</a> <em
class="jxr_javadoccomment"> * Creates a new instance of {@code
BeanIntrospectionData} and initializes its</em>
+<a class="jxr_linenumber" name="54" href="#54">54</a> <em
class="jxr_javadoccomment"> * completely.</em>
+<a class="jxr_linenumber" name="55" href="#55">55</a> <em
class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="56" href="#56">56</a> <em
class="jxr_javadoccomment"> * @param descs the array with the descriptors
of the available properties</em>
+<a class="jxr_linenumber" name="57" href="#57">57</a> <em
class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="58" href="#58">58</a> <strong
class="jxr_keyword">public</strong> <a
href="../../../../org/apache/commons/beanutils/BeanIntrospectionData.html">BeanIntrospectionData</a>(PropertyDescriptor[]
descs) {
+<a class="jxr_linenumber" name="59" href="#59">59</a> <strong
class="jxr_keyword">this</strong>(descs, setUpWriteMethodNames(descs));
+<a class="jxr_linenumber" name="60" href="#60">60</a> }
+<a class="jxr_linenumber" name="61" href="#61">61</a>
+<a class="jxr_linenumber" name="62" href="#62">62</a> <em
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="63" href="#63">63</a> <em
class="jxr_javadoccomment"> * Creates a new instance of {@code
BeanIntrospectionData} and allows setting the map</em>
+<a class="jxr_linenumber" name="64" href="#64">64</a> <em
class="jxr_javadoccomment"> * with write method names. This constructor is
mainly used for testing purposes.</em>
+<a class="jxr_linenumber" name="65" href="#65">65</a> <em
class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="66" href="#66">66</a> <em
class="jxr_javadoccomment"> * @param descs the array with the descriptors
of the available properties</em>
+<a class="jxr_linenumber" name="67" href="#67">67</a> <em
class="jxr_javadoccomment"> * @param writeMethNames the map with the names
of write methods</em>
+<a class="jxr_linenumber" name="68" href="#68">68</a> <em
class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="69" href="#69">69</a> <a
href="../../../../org/apache/commons/beanutils/BeanIntrospectionData.html">BeanIntrospectionData</a>(PropertyDescriptor[]
descs, Map<String, String> writeMethNames) {
+<a class="jxr_linenumber" name="70" href="#70">70</a> descriptors =
descs;
+<a class="jxr_linenumber" name="71" href="#71">71</a>
writeMethodNames = writeMethNames;
+<a class="jxr_linenumber" name="72" href="#72">72</a> }
+<a class="jxr_linenumber" name="73" href="#73">73</a>
+<a class="jxr_linenumber" name="74" href="#74">74</a> <em
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="75" href="#75">75</a> <em
class="jxr_javadoccomment"> * Returns the array with property
descriptors.</em>
+<a class="jxr_linenumber" name="76" href="#76">76</a> <em
class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="77" href="#77">77</a> <em
class="jxr_javadoccomment"> * @return the property descriptors for the
associated bean class</em>
+<a class="jxr_linenumber" name="78" href="#78">78</a> <em
class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="79" href="#79">79</a> <strong
class="jxr_keyword">public</strong> PropertyDescriptor[] getDescriptors() {
+<a class="jxr_linenumber" name="80" href="#80">80</a> <strong
class="jxr_keyword">return</strong> descriptors;
+<a class="jxr_linenumber" name="81" href="#81">81</a> }
+<a class="jxr_linenumber" name="82" href="#82">82</a>
+<a class="jxr_linenumber" name="83" href="#83">83</a> <em
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="84" href="#84">84</a> <em
class="jxr_javadoccomment"> * Returns the {@code PropertyDescriptor} for
the property with the specified name. If</em>
+<a class="jxr_linenumber" name="85" href="#85">85</a> <em
class="jxr_javadoccomment"> * this property is unknown, result is
<b>null</b>.</em>
+<a class="jxr_linenumber" name="86" href="#86">86</a> <em
class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="87" href="#87">87</a> <em
class="jxr_javadoccomment"> * @param name the name of the property in
question</em>
+<a class="jxr_linenumber" name="88" href="#88">88</a> <em
class="jxr_javadoccomment"> * @return the {@code PropertyDescriptor} for
this property or <b>null</b></em>
+<a class="jxr_linenumber" name="89" href="#89">89</a> <em
class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="90" href="#90">90</a> <strong
class="jxr_keyword">public</strong> PropertyDescriptor getDescriptor(String
name) {
+<a class="jxr_linenumber" name="91" href="#91">91</a> <strong
class="jxr_keyword">for</strong> (PropertyDescriptor pd : getDescriptors()) {
+<a class="jxr_linenumber" name="92" href="#92">92</a> <strong
class="jxr_keyword">if</strong> (name.equals(pd.getName())) {
+<a class="jxr_linenumber" name="93" href="#93">93</a> <strong
class="jxr_keyword">return</strong> pd;
+<a class="jxr_linenumber" name="94" href="#94">94</a> }
+<a class="jxr_linenumber" name="95" href="#95">95</a> }
+<a class="jxr_linenumber" name="96" href="#96">96</a> <strong
class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="97" href="#97">97</a> }
+<a class="jxr_linenumber" name="98" href="#98">98</a>
+<a class="jxr_linenumber" name="99" href="#99">99</a> <em
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="100" href="#100">100</a> <em
class="jxr_javadoccomment"> * Returns the write method for the property
determined by the given</em>
+<a class="jxr_linenumber" name="101" href="#101">101</a> <em
class="jxr_javadoccomment"> * {@code PropertyDescriptor}. This information
is normally available in the</em>
+<a class="jxr_linenumber" name="102" href="#102">102</a> <em
class="jxr_javadoccomment"> * descriptor object itself. However, at least
by the ORACLE implementation, the</em>
+<a class="jxr_linenumber" name="103" href="#103">103</a> <em
class="jxr_javadoccomment"> * method is stored as a {@code SoftReference}.
If this reference has been freed by</em>
+<a class="jxr_linenumber" name="104" href="#104">104</a> <em
class="jxr_javadoccomment"> * the GC, it may be the case that the method
cannot be obtained again. Then,</em>
+<a class="jxr_linenumber" name="105" href="#105">105</a> <em
class="jxr_javadoccomment"> * additional information stored in this object
is necessary to obtain the method</em>
+<a class="jxr_linenumber" name="106" href="#106">106</a> <em
class="jxr_javadoccomment"> * again.</em>
+<a class="jxr_linenumber" name="107" href="#107">107</a> <em
class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="108" href="#108">108</a> <em
class="jxr_javadoccomment"> * @param beanCls the class of the affected
bean</em>
+<a class="jxr_linenumber" name="109" href="#109">109</a> <em
class="jxr_javadoccomment"> * @param desc the {@code PropertyDescriptor} of
the desired property</em>
+<a class="jxr_linenumber" name="110" href="#110">110</a> <em
class="jxr_javadoccomment"> * @return the write method for this property or
<b>null</b> if there is none</em>
+<a class="jxr_linenumber" name="111" href="#111">111</a> <em
class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="112" href="#112">112</a> <strong
class="jxr_keyword">public</strong> Method getWriteMethod(Class<?>
beanCls, PropertyDescriptor desc) {
+<a class="jxr_linenumber" name="113" href="#113">113</a> Method method
= desc.getWriteMethod();
+<a class="jxr_linenumber" name="114" href="#114">114</a> <strong
class="jxr_keyword">if</strong> (method == <strong
class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="115" href="#115">115</a> String
methodName = writeMethodNames.get(desc.getName());
+<a class="jxr_linenumber" name="116" href="#116">116</a> <strong
class="jxr_keyword">if</strong> (methodName != <strong
class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="117" href="#117">117</a>
method = MethodUtils.getAccessibleMethod(beanCls, methodName,
+<a class="jxr_linenumber" name="118" href="#118">118</a>
desc.getPropertyType());
+<a class="jxr_linenumber" name="119" href="#119">119</a>
<strong class="jxr_keyword">if</strong> (method != <strong
class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="120" href="#120">120</a>
<strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="121" href="#121">121</a>
desc.setWriteMethod(method);
+<a class="jxr_linenumber" name="122" href="#122">122</a> }
<strong class="jxr_keyword">catch</strong> (IntrospectionException e) {
+<a class="jxr_linenumber" name="123" href="#123">123</a>
<em class="jxr_comment">// ignore, in this case the method is not cached</em>
+<a class="jxr_linenumber" name="124" href="#124">124</a> }
+<a class="jxr_linenumber" name="125" href="#125">125</a> }
+<a class="jxr_linenumber" name="126" href="#126">126</a> }
+<a class="jxr_linenumber" name="127" href="#127">127</a> }
+<a class="jxr_linenumber" name="128" href="#128">128</a>
+<a class="jxr_linenumber" name="129" href="#129">129</a> <strong
class="jxr_keyword">return</strong> method;
+<a class="jxr_linenumber" name="130" href="#130">130</a> }
+<a class="jxr_linenumber" name="131" href="#131">131</a>
+<a class="jxr_linenumber" name="132" href="#132">132</a> <em
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="133" href="#133">133</a> <em
class="jxr_javadoccomment"> * Initializes the map with the names of the
write methods for the supported</em>
+<a class="jxr_linenumber" name="134" href="#134">134</a> <em
class="jxr_javadoccomment"> * properties. The method names - if defined -
need to be stored separately because</em>
+<a class="jxr_linenumber" name="135" href="#135">135</a> <em
class="jxr_javadoccomment"> * they may get lost when the GC claims soft
references used by the</em>
+<a class="jxr_linenumber" name="136" href="#136">136</a> <em
class="jxr_javadoccomment"> * {@code PropertyDescriptor} objects.</em>
+<a class="jxr_linenumber" name="137" href="#137">137</a> <em
class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="138" href="#138">138</a> <em
class="jxr_javadoccomment"> * @param descs the array with the descriptors
of the available properties</em>
+<a class="jxr_linenumber" name="139" href="#139">139</a> <em
class="jxr_javadoccomment"> * @return the map with the names of write
methods for properties</em>
+<a class="jxr_linenumber" name="140" href="#140">140</a> <em
class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="141" href="#141">141</a> <strong
class="jxr_keyword">private</strong> <strong
class="jxr_keyword">static</strong> Map<String, String>
setUpWriteMethodNames(PropertyDescriptor[] descs) {
+<a class="jxr_linenumber" name="142" href="#142">142</a>
Map<String, String> methods = <strong class="jxr_keyword">new</strong>
HashMap<String, String>();
+<a class="jxr_linenumber" name="143" href="#143">143</a> <strong
class="jxr_keyword">for</strong> (PropertyDescriptor pd : descs) {
+<a class="jxr_linenumber" name="144" href="#144">144</a> Method
method = pd.getWriteMethod();
+<a class="jxr_linenumber" name="145" href="#145">145</a> <strong
class="jxr_keyword">if</strong> (method != <strong
class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="146" href="#146">146</a>
methods.put(pd.getName(), method.getName());
+<a class="jxr_linenumber" name="147" href="#147">147</a> }
+<a class="jxr_linenumber" name="148" href="#148">148</a> }
+<a class="jxr_linenumber" name="149" href="#149">149</a> <strong
class="jxr_keyword">return</strong> methods;
+<a class="jxr_linenumber" name="150" href="#150">150</a> }
+<a class="jxr_linenumber" name="151" href="#151">151</a> }
+</pre>
+<hr/><div id="footer">This page was automatically generated by <a
href="http://maven.apache.org/";>Maven</a></div></body>
+</html>
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