Modified: websites/production/turbine/content/fulcrum/fulcrum-factory/xref/org/apache/fulcrum/factory/DefaultFactoryService.html ============================================================================== --- websites/production/turbine/content/fulcrum/fulcrum-factory/xref/org/apache/fulcrum/factory/DefaultFactoryService.html (original) +++ websites/production/turbine/content/fulcrum/fulcrum-factory/xref/org/apache/fulcrum/factory/DefaultFactoryService.html Fri Dec 9 09:44:00 2016 @@ -1,554 +1,628 @@ <!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" /> +<meta http-equiv="content-type" content="text/html; charset=UTF-8" /> <title>DefaultFactoryService xref</title> <link type="text/css" rel="stylesheet" href="../../../../stylesheet.css" /> </head> <body> <div id="overview"><a href="../../../../../apidocs/org/apache/fulcrum/factory/DefaultFactoryService.html">View Javadoc</a></div><pre> -<a name="1" href="#1">1</a> <strong class="jxr_keyword">package</strong> org.apache.fulcrum.factory; -<a name="2" href="#2">2</a> -<a name="3" href="#3">3</a> <em class="jxr_comment">/*</em> -<a name="4" href="#4">4</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em> -<a name="5" href="#5">5</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em> -<a name="6" href="#6">6</a> <em class="jxr_comment"> * distributed with this work for additional information</em> -<a name="7" href="#7">7</a> <em class="jxr_comment"> * regarding copyright ownership. The ASF licenses this file</em> -<a name="8" href="#8">8</a> <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em> -<a name="9" href="#9">9</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em> -<a name="10" href="#10">10</a> <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em> -<a name="11" href="#11">11</a> <em class="jxr_comment"> *</em> -<a name="12" href="#12">12</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 name="13" href="#13">13</a> <em class="jxr_comment"> *</em> -<a name="14" href="#14">14</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing,</em> -<a name="15" href="#15">15</a> <em class="jxr_comment"> * software distributed under the License is distributed on an</em> -<a name="16" href="#16">16</a> <em class="jxr_comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em> -<a name="17" href="#17">17</a> <em class="jxr_comment"> * KIND, either express or implied. See the License for the</em> -<a name="18" href="#18">18</a> <em class="jxr_comment"> * specific language governing permissions and limitations</em> -<a name="19" href="#19">19</a> <em class="jxr_comment"> * under the License.</em> -<a name="20" href="#20">20</a> <em class="jxr_comment"> */</em> -<a name="21" href="#21">21</a> -<a name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> java.io.ByteArrayInputStream; -<a name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> java.io.ByteArrayOutputStream; -<a name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> java.io.ObjectOutputStream; -<a name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> java.util.ArrayList; -<a name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> java.util.HashMap; -<a name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> java.util.Iterator; -<a name="28" href="#28">28</a> -<a name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> org.apache.avalon.framework.activity.Initializable; -<a name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> org.apache.avalon.framework.configuration.Configurable; -<a name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> org.apache.avalon.framework.configuration.Configuration; -<a name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> org.apache.avalon.framework.configuration.ConfigurationException; -<a name="33" href="#33">33</a> <strong class="jxr_keyword">import</strong> org.apache.avalon.framework.logger.AbstractLogEnabled; -<a name="34" href="#34">34</a> <strong class="jxr_keyword">import</strong> org.apache.fulcrum.factory.utils.ObjectInputStreamForContext; -<a name="35" href="#35">35</a> -<a name="36" href="#36">36</a> <em class="jxr_javadoccomment">/**</em> -<a name="37" href="#37">37</a> <em class="jxr_javadoccomment"> * The Factory Service instantiates objects using specified</em> -<a name="38" href="#38">38</a> <em class="jxr_javadoccomment"> * class loaders. If none is specified, the default one</em> -<a name="39" href="#39">39</a> <em class="jxr_javadoccomment"> * will be used.</em> -<a name="40" href="#40">40</a> <em class="jxr_javadoccomment"> *</em> -<a name="41" href="#41">41</a> <em class="jxr_javadoccomment"> * @author <a href="<a href="mailto:[email protected]"; target="alexandria_uri">mailto:[email protected]</a>">Eric Pugh</a></em> -<a name="42" href="#42">42</a> <em class="jxr_javadoccomment"> * @author <a href="<a href="mailto:[email protected]"; target="alexandria_uri">mailto:[email protected]</a>">Ilkka Priha</a></em> -<a name="43" href="#43">43</a> <em class="jxr_javadoccomment"> * @author <a href="<a href="mailto:[email protected]"; target="alexandria_uri">mailto:[email protected]</a>">Stephen McConnell</a></em> -<a name="44" href="#44">44</a> <em class="jxr_javadoccomment"> * @version $Id: DefaultFactoryService.java 670327 2008-06-22 09:32:41Z tv $</em> -<a name="45" href="#45">45</a> <em class="jxr_javadoccomment"> *</em> -<a name="46" href="#46">46</a> <em class="jxr_javadoccomment"> * @avalon.component name="factory" lifestyle="singleton"</em> -<a name="47" href="#47">47</a> <em class="jxr_javadoccomment"> * @avalon.service type="org.apache.fulcrum.factory.FactoryService"</em> -<a name="48" href="#48">48</a> <em class="jxr_javadoccomment"> */</em> -<a name="49" href="#49">49</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/fulcrum/factory/DefaultFactoryService.html">DefaultFactoryService</a> -<a name="50" href="#50">50</a> <strong class="jxr_keyword">extends</strong> AbstractLogEnabled -<a name="51" href="#51">51</a> implements FactoryService, Configurable, Initializable -<a name="52" href="#52">52</a> { -<a name="53" href="#53">53</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">boolean</strong> initialized = false; -<a name="54" href="#54">54</a> <em class="jxr_comment">//private boolean disposed = false;</em> -<a name="55" href="#55">55</a> <em class="jxr_javadoccomment">/**</em> -<a name="56" href="#56">56</a> <em class="jxr_javadoccomment"> * The property specifying a set of additional class loaders.</em> -<a name="57" href="#57">57</a> <em class="jxr_javadoccomment"> */</em> -<a name="58" href="#58">58</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String CLASS_LOADER = <span class="jxr_string">"classloader"</span>; -<a name="59" href="#59">59</a> <em class="jxr_javadoccomment">/**</em> -<a name="60" href="#60">60</a> <em class="jxr_javadoccomment"> * The property prefix specifying additional object factories.</em> -<a name="61" href="#61">61</a> <em class="jxr_javadoccomment"> */</em> -<a name="62" href="#62">62</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String OBJECT_FACTORY = <span class="jxr_string">"object-factory"</span>; -<a name="63" href="#63">63</a> <em class="jxr_javadoccomment">/**</em> -<a name="64" href="#64">64</a> <em class="jxr_javadoccomment"> * The name of the default factory.</em> -<a name="65" href="#65">65</a> <em class="jxr_javadoccomment"> */</em> -<a name="66" href="#66">66</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String DEFAULT_FACTORY = <span class="jxr_string">"default"</span>; -<a name="67" href="#67">67</a> <em class="jxr_javadoccomment">/**</em> -<a name="68" href="#68">68</a> <em class="jxr_javadoccomment"> * Primitive classes for reflection of constructors.</em> -<a name="69" href="#69">69</a> <em class="jxr_javadoccomment"> */</em> -<a name="70" href="#70">70</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> HashMap primitiveClasses; -<a name="71" href="#71">71</a> { -<a name="72" href="#72">72</a> primitiveClasses = <strong class="jxr_keyword">new</strong> HashMap(8); -<a name="73" href="#73">73</a> primitiveClasses.put(Boolean.TYPE.toString(), Boolean.TYPE); -<a name="74" href="#74">74</a> primitiveClasses.put(Character.TYPE.toString(), Character.TYPE); -<a name="75" href="#75">75</a> primitiveClasses.put(Byte.TYPE.toString(), Byte.TYPE); -<a name="76" href="#76">76</a> primitiveClasses.put(Short.TYPE.toString(), Short.TYPE); -<a name="77" href="#77">77</a> primitiveClasses.put(Integer.TYPE.toString(), Integer.TYPE); -<a name="78" href="#78">78</a> primitiveClasses.put(Long.TYPE.toString(), Long.TYPE); -<a name="79" href="#79">79</a> primitiveClasses.put(Float.TYPE.toString(), Float.TYPE); -<a name="80" href="#80">80</a> primitiveClasses.put(Double.TYPE.toString(), Double.TYPE); -<a name="81" href="#81">81</a> } -<a name="82" href="#82">82</a> <em class="jxr_javadoccomment">/**</em> -<a name="83" href="#83">83</a> <em class="jxr_javadoccomment"> * temporary storage of class names between configure and initialize</em> -<a name="84" href="#84">84</a> <em class="jxr_javadoccomment"> */</em> -<a name="85" href="#85">85</a> <strong class="jxr_keyword">private</strong> String[] loaderNames; -<a name="86" href="#86">86</a> <em class="jxr_javadoccomment">/**</em> -<a name="87" href="#87">87</a> <em class="jxr_javadoccomment"> * Additional class loaders.</em> -<a name="88" href="#88">88</a> <em class="jxr_javadoccomment"> */</em> -<a name="89" href="#89">89</a> <strong class="jxr_keyword">private</strong> ArrayList classLoaders = <strong class="jxr_keyword">new</strong> ArrayList(); -<a name="90" href="#90">90</a> <em class="jxr_javadoccomment">/**</em> -<a name="91" href="#91">91</a> <em class="jxr_javadoccomment"> * Customized object factories.</em> -<a name="92" href="#92">92</a> <em class="jxr_javadoccomment"> */</em> -<a name="93" href="#93">93</a> <strong class="jxr_keyword">private</strong> HashMap objectFactories = <strong class="jxr_keyword">new</strong> HashMap(); -<a name="94" href="#94">94</a> <em class="jxr_javadoccomment">/**</em> -<a name="95" href="#95">95</a> <em class="jxr_javadoccomment"> * Gets the class of a primitive type.</em> -<a name="96" href="#96">96</a> <em class="jxr_javadoccomment"> *</em> -<a name="97" href="#97">97</a> <em class="jxr_javadoccomment"> * @param type a primitive type.</em> -<a name="98" href="#98">98</a> <em class="jxr_javadoccomment"> * @return the corresponding class, or null.</em> -<a name="99" href="#99">99</a> <em class="jxr_javadoccomment"> */</em> -<a name="100" href="#100">100</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> Class getPrimitiveClass(String type) -<a name="101" href="#101">101</a> { -<a name="102" href="#102">102</a> <strong class="jxr_keyword">return</strong> (Class) primitiveClasses.get(type); -<a name="103" href="#103">103</a> } -<a name="104" href="#104">104</a> -<a name="105" href="#105">105</a> <em class="jxr_javadoccomment">/**</em> -<a name="106" href="#106">106</a> <em class="jxr_javadoccomment"> * Gets an instance of a named class.</em> -<a name="107" href="#107">107</a> <em class="jxr_javadoccomment"> *</em> -<a name="108" href="#108">108</a> <em class="jxr_javadoccomment"> * @param className the name of the class.</em> -<a name="109" href="#109">109</a> <em class="jxr_javadoccomment"> * @return the instance.</em> -<a name="110" href="#110">110</a> <em class="jxr_javadoccomment"> * @throws FactoryException if instantiation fails.</em> -<a name="111" href="#111">111</a> <em class="jxr_javadoccomment"> */</em> -<a name="112" href="#112">112</a> <strong class="jxr_keyword">public</strong> Object getInstance(String className) <strong class="jxr_keyword">throws</strong> FactoryException -<a name="113" href="#113">113</a> { -<a name="114" href="#114">114</a> <strong class="jxr_keyword">if</strong> (className == <strong class="jxr_keyword">null</strong>) -<a name="115" href="#115">115</a> { -<a name="116" href="#116">116</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/fulcrum/factory/FactoryException.html">FactoryException</a>(<span class="jxr_string">"Missing String className"</span>); -<a name="117" href="#117">117</a> } -<a name="118" href="#118">118</a> <a href="../../../../org/apache/fulcrum/factory/Factory.html">Factory</a> factory = getFactory(className); -<a name="119" href="#119">119</a> <strong class="jxr_keyword">if</strong> (factory == <strong class="jxr_keyword">null</strong>) -<a name="120" href="#120">120</a> { -<a name="121" href="#121">121</a> Class clazz; -<a name="122" href="#122">122</a> <strong class="jxr_keyword">try</strong> -<a name="123" href="#123">123</a> { -<a name="124" href="#124">124</a> clazz = loadClass(className); -<a name="125" href="#125">125</a> } -<a name="126" href="#126">126</a> <strong class="jxr_keyword">catch</strong> (ClassNotFoundException x) -<a name="127" href="#127">127</a> { -<a name="128" href="#128">128</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/fulcrum/factory/FactoryException.html">FactoryException</a>(<span class="jxr_string">"Instantiation failed for class "</span> + className, x); -<a name="129" href="#129">129</a> } -<a name="130" href="#130">130</a> <strong class="jxr_keyword">return</strong> getInstance(clazz); -<a name="131" href="#131">131</a> } -<a name="132" href="#132">132</a> <strong class="jxr_keyword">else</strong> -<a name="133" href="#133">133</a> { -<a name="134" href="#134">134</a> <strong class="jxr_keyword">return</strong> factory.getInstance(); -<a name="135" href="#135">135</a> } -<a name="136" href="#136">136</a> } -<a name="137" href="#137">137</a> <em class="jxr_javadoccomment">/**</em> -<a name="138" href="#138">138</a> <em class="jxr_javadoccomment"> * Gets an instance of a named class using a specified class loader.</em> -<a name="139" href="#139">139</a> <em class="jxr_javadoccomment"> *</em> -<a name="140" href="#140">140</a> <em class="jxr_javadoccomment"> * <p>Class loaders are supported only if the isLoaderSupported</em> -<a name="141" href="#141">141</a> <em class="jxr_javadoccomment"> * method returns true. Otherwise the loader parameter is ignored.</em> -<a name="142" href="#142">142</a> <em class="jxr_javadoccomment"> *</em> -<a name="143" href="#143">143</a> <em class="jxr_javadoccomment"> * @param className the name of the class.</em> -<a name="144" href="#144">144</a> <em class="jxr_javadoccomment"> * @param loader the class loader.</em> -<a name="145" href="#145">145</a> <em class="jxr_javadoccomment"> * @return the instance.</em> -<a name="146" href="#146">146</a> <em class="jxr_javadoccomment"> * @throws FactoryException if instantiation fails.</em> -<a name="147" href="#147">147</a> <em class="jxr_javadoccomment"> */</em> -<a name="148" href="#148">148</a> <strong class="jxr_keyword">public</strong> Object getInstance(String className, ClassLoader loader) <strong class="jxr_keyword">throws</strong> FactoryException -<a name="149" href="#149">149</a> { -<a name="150" href="#150">150</a> <a href="../../../../org/apache/fulcrum/factory/Factory.html">Factory</a> factory = getFactory(className); -<a name="151" href="#151">151</a> <strong class="jxr_keyword">if</strong> (factory == <strong class="jxr_keyword">null</strong>) -<a name="152" href="#152">152</a> { -<a name="153" href="#153">153</a> <strong class="jxr_keyword">if</strong> (loader != <strong class="jxr_keyword">null</strong>) -<a name="154" href="#154">154</a> { -<a name="155" href="#155">155</a> Class clazz; -<a name="156" href="#156">156</a> <strong class="jxr_keyword">try</strong> -<a name="157" href="#157">157</a> { -<a name="158" href="#158">158</a> clazz = loadClass(className, loader); -<a name="159" href="#159">159</a> } -<a name="160" href="#160">160</a> <strong class="jxr_keyword">catch</strong> (ClassNotFoundException x) -<a name="161" href="#161">161</a> { -<a name="162" href="#162">162</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/fulcrum/factory/FactoryException.html">FactoryException</a>(<span class="jxr_string">"Instantiation failed for class "</span> + className, x); -<a name="163" href="#163">163</a> } -<a name="164" href="#164">164</a> <strong class="jxr_keyword">return</strong> getInstance(clazz); -<a name="165" href="#165">165</a> } -<a name="166" href="#166">166</a> <strong class="jxr_keyword">else</strong> -<a name="167" href="#167">167</a> { -<a name="168" href="#168">168</a> <strong class="jxr_keyword">return</strong> getInstance(className); -<a name="169" href="#169">169</a> } -<a name="170" href="#170">170</a> } -<a name="171" href="#171">171</a> <strong class="jxr_keyword">else</strong> -<a name="172" href="#172">172</a> { -<a name="173" href="#173">173</a> <strong class="jxr_keyword">return</strong> factory.getInstance(loader); -<a name="174" href="#174">174</a> } -<a name="175" href="#175">175</a> } -<a name="176" href="#176">176</a> <em class="jxr_javadoccomment">/**</em> -<a name="177" href="#177">177</a> <em class="jxr_javadoccomment"> * Gets an instance of a named class.</em> -<a name="178" href="#178">178</a> <em class="jxr_javadoccomment"> * Parameters for its constructor are given as an array of objects,</em> -<a name="179" href="#179">179</a> <em class="jxr_javadoccomment"> * primitive types must be wrapped with a corresponding class.</em> -<a name="180" href="#180">180</a> <em class="jxr_javadoccomment"> *</em> -<a name="181" href="#181">181</a> <em class="jxr_javadoccomment"> * @param className the name of the class.</em> -<a name="182" href="#182">182</a> <em class="jxr_javadoccomment"> * @param params an array containing the parameters of the constructor.</em> -<a name="183" href="#183">183</a> <em class="jxr_javadoccomment"> * @param signature an array containing the signature of the constructor.</em> -<a name="184" href="#184">184</a> <em class="jxr_javadoccomment"> * @return the instance.</em> -<a name="185" href="#185">185</a> <em class="jxr_javadoccomment"> * @throws FactoryException if instantiation fails.</em> -<a name="186" href="#186">186</a> <em class="jxr_javadoccomment"> */</em> -<a name="187" href="#187">187</a> <strong class="jxr_keyword">public</strong> Object getInstance(String className, Object[] params, String[] signature) <strong class="jxr_keyword">throws</strong> FactoryException -<a name="188" href="#188">188</a> { -<a name="189" href="#189">189</a> <a href="../../../../org/apache/fulcrum/factory/Factory.html">Factory</a> factory = getFactory(className); -<a name="190" href="#190">190</a> <strong class="jxr_keyword">if</strong> (factory == <strong class="jxr_keyword">null</strong>) -<a name="191" href="#191">191</a> { -<a name="192" href="#192">192</a> Class clazz; -<a name="193" href="#193">193</a> <strong class="jxr_keyword">try</strong> -<a name="194" href="#194">194</a> { -<a name="195" href="#195">195</a> clazz = loadClass(className); -<a name="196" href="#196">196</a> } -<a name="197" href="#197">197</a> <strong class="jxr_keyword">catch</strong> (ClassNotFoundException x) -<a name="198" href="#198">198</a> { -<a name="199" href="#199">199</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/fulcrum/factory/FactoryException.html">FactoryException</a>(<span class="jxr_string">"Instantiation failed for class "</span> + className, x); -<a name="200" href="#200">200</a> } -<a name="201" href="#201">201</a> <strong class="jxr_keyword">return</strong> getInstance(clazz, params, signature); -<a name="202" href="#202">202</a> } -<a name="203" href="#203">203</a> <strong class="jxr_keyword">else</strong> -<a name="204" href="#204">204</a> { -<a name="205" href="#205">205</a> <strong class="jxr_keyword">return</strong> factory.getInstance(params, signature); -<a name="206" href="#206">206</a> } -<a name="207" href="#207">207</a> } -<a name="208" href="#208">208</a> <em class="jxr_javadoccomment">/**</em> -<a name="209" href="#209">209</a> <em class="jxr_javadoccomment"> * Gets an instance of a named class using a specified class loader.</em> -<a name="210" href="#210">210</a> <em class="jxr_javadoccomment"> * Parameters for its constructor are given as an array of objects,</em> -<a name="211" href="#211">211</a> <em class="jxr_javadoccomment"> * primitive types must be wrapped with a corresponding class.</em> -<a name="212" href="#212">212</a> <em class="jxr_javadoccomment"> *</em> -<a name="213" href="#213">213</a> <em class="jxr_javadoccomment"> * <p>Class loaders are supported only if the isLoaderSupported</em> -<a name="214" href="#214">214</a> <em class="jxr_javadoccomment"> * method returns true. Otherwise the loader parameter is ignored.</em> -<a name="215" href="#215">215</a> <em class="jxr_javadoccomment"> *</em> -<a name="216" href="#216">216</a> <em class="jxr_javadoccomment"> * @param className the name of the class.</em> -<a name="217" href="#217">217</a> <em class="jxr_javadoccomment"> * @param loader the class loader.</em> -<a name="218" href="#218">218</a> <em class="jxr_javadoccomment"> * @param params an array containing the parameters of the constructor.</em> -<a name="219" href="#219">219</a> <em class="jxr_javadoccomment"> * @param signature an array containing the signature of the constructor.</em> -<a name="220" href="#220">220</a> <em class="jxr_javadoccomment"> * @return the instance.</em> -<a name="221" href="#221">221</a> <em class="jxr_javadoccomment"> * @throws FactoryException if instantiation fails.</em> -<a name="222" href="#222">222</a> <em class="jxr_javadoccomment"> */</em> -<a name="223" href="#223">223</a> <strong class="jxr_keyword">public</strong> Object getInstance(String className, ClassLoader loader, Object[] params, String[] signature) -<a name="224" href="#224">224</a> <strong class="jxr_keyword">throws</strong> <a href="../../../../org/apache/fulcrum/factory/FactoryException.html">FactoryException</a> -<a name="225" href="#225">225</a> { -<a name="226" href="#226">226</a> <a href="../../../../org/apache/fulcrum/factory/Factory.html">Factory</a> factory = getFactory(className); -<a name="227" href="#227">227</a> <strong class="jxr_keyword">if</strong> (factory == <strong class="jxr_keyword">null</strong>) -<a name="228" href="#228">228</a> { -<a name="229" href="#229">229</a> <strong class="jxr_keyword">if</strong> (loader != <strong class="jxr_keyword">null</strong>) -<a name="230" href="#230">230</a> { -<a name="231" href="#231">231</a> Class clazz; -<a name="232" href="#232">232</a> <strong class="jxr_keyword">try</strong> -<a name="233" href="#233">233</a> { -<a name="234" href="#234">234</a> clazz = loadClass(className, loader); -<a name="235" href="#235">235</a> } -<a name="236" href="#236">236</a> <strong class="jxr_keyword">catch</strong> (ClassNotFoundException x) -<a name="237" href="#237">237</a> { -<a name="238" href="#238">238</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/fulcrum/factory/FactoryException.html">FactoryException</a>(<span class="jxr_string">"Instantiation failed for class "</span> + className, x); -<a name="239" href="#239">239</a> } -<a name="240" href="#240">240</a> <strong class="jxr_keyword">return</strong> getInstance(clazz, params, signature); -<a name="241" href="#241">241</a> } -<a name="242" href="#242">242</a> <strong class="jxr_keyword">else</strong> -<a name="243" href="#243">243</a> { -<a name="244" href="#244">244</a> <strong class="jxr_keyword">return</strong> getInstance(className, params, signature); -<a name="245" href="#245">245</a> } -<a name="246" href="#246">246</a> } -<a name="247" href="#247">247</a> <strong class="jxr_keyword">else</strong> -<a name="248" href="#248">248</a> { -<a name="249" href="#249">249</a> <strong class="jxr_keyword">return</strong> factory.getInstance(loader, params, signature); -<a name="250" href="#250">250</a> } -<a name="251" href="#251">251</a> } -<a name="252" href="#252">252</a> <em class="jxr_javadoccomment">/**</em> -<a name="253" href="#253">253</a> <em class="jxr_javadoccomment"> * Tests if specified class loaders are supported for a named class.</em> -<a name="254" href="#254">254</a> <em class="jxr_javadoccomment"> *</em> -<a name="255" href="#255">255</a> <em class="jxr_javadoccomment"> * @param className the name of the class.</em> -<a name="256" href="#256">256</a> <em class="jxr_javadoccomment"> * @return true if class loaders are supported, false otherwise.</em> -<a name="257" href="#257">257</a> <em class="jxr_javadoccomment"> * @throws FactoryException if test fails.</em> -<a name="258" href="#258">258</a> <em class="jxr_javadoccomment"> */</em> -<a name="259" href="#259">259</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isLoaderSupported(String className) <strong class="jxr_keyword">throws</strong> FactoryException -<a name="260" href="#260">260</a> { -<a name="261" href="#261">261</a> <a href="../../../../org/apache/fulcrum/factory/Factory.html">Factory</a> factory = getFactory(className); -<a name="262" href="#262">262</a> <strong class="jxr_keyword">return</strong> factory != <strong class="jxr_keyword">null</strong> ? factory.isLoaderSupported() : <strong class="jxr_keyword">true</strong>; -<a name="263" href="#263">263</a> } -<a name="264" href="#264">264</a> <em class="jxr_javadoccomment">/**</em> -<a name="265" href="#265">265</a> <em class="jxr_javadoccomment"> * Gets an instance of a specified class.</em> -<a name="266" href="#266">266</a> <em class="jxr_javadoccomment"> *</em> -<a name="267" href="#267">267</a> <em class="jxr_javadoccomment"> * @param clazz the class.</em> -<a name="268" href="#268">268</a> <em class="jxr_javadoccomment"> * @return the instance.</em> -<a name="269" href="#269">269</a> <em class="jxr_javadoccomment"> * @throws FactoryException if instantiation fails.</em> -<a name="270" href="#270">270</a> <em class="jxr_javadoccomment"> */</em> -<a name="271" href="#271">271</a> <strong class="jxr_keyword">public</strong> Object getInstance(Class clazz) <strong class="jxr_keyword">throws</strong> FactoryException -<a name="272" href="#272">272</a> { -<a name="273" href="#273">273</a> <strong class="jxr_keyword">try</strong> -<a name="274" href="#274">274</a> { -<a name="275" href="#275">275</a> <strong class="jxr_keyword">return</strong> clazz.newInstance(); -<a name="276" href="#276">276</a> } -<a name="277" href="#277">277</a> <strong class="jxr_keyword">catch</strong> (Exception x) -<a name="278" href="#278">278</a> { -<a name="279" href="#279">279</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/fulcrum/factory/FactoryException.html">FactoryException</a>(<span class="jxr_string">"Instantiation failed for "</span> + clazz.getName(), x); -<a name="280" href="#280">280</a> } -<a name="281" href="#281">281</a> } -<a name="282" href="#282">282</a> <em class="jxr_javadoccomment">/**</em> -<a name="283" href="#283">283</a> <em class="jxr_javadoccomment"> * Gets an instance of a specified class.</em> -<a name="284" href="#284">284</a> <em class="jxr_javadoccomment"> * Parameters for its constructor are given as an array of objects,</em> -<a name="285" href="#285">285</a> <em class="jxr_javadoccomment"> * primitive types must be wrapped with a corresponding class.</em> -<a name="286" href="#286">286</a> <em class="jxr_javadoccomment"> *</em> -<a name="287" href="#287">287</a> <em class="jxr_javadoccomment"> * @param clazz the class.</em> -<a name="288" href="#288">288</a> <em class="jxr_javadoccomment"> * @param params an array containing the parameters of the constructor.</em> -<a name="289" href="#289">289</a> <em class="jxr_javadoccomment"> * @param signature an array containing the signature of the constructor.</em> -<a name="290" href="#290">290</a> <em class="jxr_javadoccomment"> * @return the instance.</em> -<a name="291" href="#291">291</a> <em class="jxr_javadoccomment"> * @throws FactoryException if instantiation fails.</em> -<a name="292" href="#292">292</a> <em class="jxr_javadoccomment"> */</em> -<a name="293" href="#293">293</a> <strong class="jxr_keyword">protected</strong> Object getInstance(Class clazz, Object params[], String signature[]) <strong class="jxr_keyword">throws</strong> FactoryException -<a name="294" href="#294">294</a> { -<a name="295" href="#295">295</a> <em class="jxr_comment">/*<em class="jxr_comment"> Try to construct. */</em></em> -<a name="296" href="#296">296</a> <strong class="jxr_keyword">try</strong> -<a name="297" href="#297">297</a> { -<a name="298" href="#298">298</a> Class[] sign = getSignature(clazz, params, signature); -<a name="299" href="#299">299</a> <strong class="jxr_keyword">return</strong> clazz.getConstructor(sign).newInstance(params); -<a name="300" href="#300">300</a> } -<a name="301" href="#301">301</a> <strong class="jxr_keyword">catch</strong> (Exception x) -<a name="302" href="#302">302</a> { -<a name="303" href="#303">303</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/fulcrum/factory/FactoryException.html">FactoryException</a>(<span class="jxr_string">"Instantiation failed for "</span> + clazz.getName(), x); -<a name="304" href="#304">304</a> } -<a name="305" href="#305">305</a> } -<a name="306" href="#306">306</a> <em class="jxr_javadoccomment">/**</em> -<a name="307" href="#307">307</a> <em class="jxr_javadoccomment"> * Gets the signature classes for parameters of a method of a class.</em> -<a name="308" href="#308">308</a> <em class="jxr_javadoccomment"> *</em> -<a name="309" href="#309">309</a> <em class="jxr_javadoccomment"> * @param clazz the class.</em> -<a name="310" href="#310">310</a> <em class="jxr_javadoccomment"> * @param params an array containing the parameters of the method.</em> -<a name="311" href="#311">311</a> <em class="jxr_javadoccomment"> * @param signature an array containing the signature of the method.</em> -<a name="312" href="#312">312</a> <em class="jxr_javadoccomment"> * @return an array of signature classes. Note that in some cases</em> -<a name="313" href="#313">313</a> <em class="jxr_javadoccomment"> * objects in the parameter array can be switched to the context</em> -<a name="314" href="#314">314</a> <em class="jxr_javadoccomment"> * of a different class loader.</em> -<a name="315" href="#315">315</a> <em class="jxr_javadoccomment"> * @throws ClassNotFoundException if any of the classes is not found.</em> -<a name="316" href="#316">316</a> <em class="jxr_javadoccomment"> */</em> -<a name="317" href="#317">317</a> <strong class="jxr_keyword">public</strong> Class[] getSignature(Class clazz, Object params[], String signature[]) <strong class="jxr_keyword">throws</strong> ClassNotFoundException -<a name="318" href="#318">318</a> { -<a name="319" href="#319">319</a> <strong class="jxr_keyword">if</strong> (signature != <strong class="jxr_keyword">null</strong>) -<a name="320" href="#320">320</a> { -<a name="321" href="#321">321</a> <em class="jxr_comment">/*<em class="jxr_comment"> We have parameters. */</em></em> -<a name="322" href="#322">322</a> ClassLoader tempLoader; -<a name="323" href="#323">323</a> ClassLoader loader = clazz.getClassLoader(); -<a name="324" href="#324">324</a> Class[] sign = <strong class="jxr_keyword">new</strong> Class[signature.length]; -<a name="325" href="#325">325</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < signature.length; i++) -<a name="326" href="#326">326</a> { -<a name="327" href="#327">327</a> <em class="jxr_comment">/*<em class="jxr_comment"> Check primitive types. */</em></em> -<a name="328" href="#328">328</a> sign[i] = getPrimitiveClass(signature[i]); -<a name="329" href="#329">329</a> <strong class="jxr_keyword">if</strong> (sign[i] == <strong class="jxr_keyword">null</strong>) -<a name="330" href="#330">330</a> { -<a name="331" href="#331">331</a> <em class="jxr_comment">/*<em class="jxr_comment"> Not a primitive one, continue building. */</em></em> -<a name="332" href="#332">332</a> <strong class="jxr_keyword">if</strong> (loader != <strong class="jxr_keyword">null</strong>) -<a name="333" href="#333">333</a> { -<a name="334" href="#334">334</a> <em class="jxr_comment">/*<em class="jxr_comment"> Use the class loader of the target object. */</em></em> -<a name="335" href="#335">335</a> sign[i] = loader.loadClass(signature[i]); -<a name="336" href="#336">336</a> tempLoader = sign[i].getClassLoader(); -<a name="337" href="#337">337</a> <strong class="jxr_keyword">if</strong> ((params[i] != <strong class="jxr_keyword">null</strong>) -<a name="338" href="#338">338</a> && (tempLoader != <strong class="jxr_keyword">null</strong>) -<a name="339" href="#339">339</a> && !tempLoader.equals(params[i].getClass().getClassLoader())) -<a name="340" href="#340">340</a> { -<a name="341" href="#341">341</a> <em class="jxr_comment">/*</em> -<a name="342" href="#342">342</a> <em class="jxr_comment"> * The class uses a different class loader,</em> -<a name="343" href="#343">343</a> <em class="jxr_comment"> * switch the parameter.</em> -<a name="344" href="#344">344</a> <em class="jxr_comment"> */</em> -<a name="345" href="#345">345</a> params[i] = switchObjectContext(params[i], loader); -<a name="346" href="#346">346</a> } -<a name="347" href="#347">347</a> } -<a name="348" href="#348">348</a> <strong class="jxr_keyword">else</strong> -<a name="349" href="#349">349</a> { -<a name="350" href="#350">350</a> <em class="jxr_comment">/*<em class="jxr_comment"> Use the default class loader. */</em></em> -<a name="351" href="#351">351</a> sign[i] = loadClass(signature[i]); -<a name="352" href="#352">352</a> } -<a name="353" href="#353">353</a> } -<a name="354" href="#354">354</a> } -<a name="355" href="#355">355</a> <strong class="jxr_keyword">return</strong> sign; -<a name="356" href="#356">356</a> } -<a name="357" href="#357">357</a> <strong class="jxr_keyword">else</strong> -<a name="358" href="#358">358</a> { -<a name="359" href="#359">359</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>; -<a name="360" href="#360">360</a> } -<a name="361" href="#361">361</a> } -<a name="362" href="#362">362</a> <em class="jxr_javadoccomment">/**</em> -<a name="363" href="#363">363</a> <em class="jxr_javadoccomment"> * Switches an object into the context of a different class loader.</em> -<a name="364" href="#364">364</a> <em class="jxr_javadoccomment"> *</em> -<a name="365" href="#365">365</a> <em class="jxr_javadoccomment"> * @param object an object to switch.</em> -<a name="366" href="#366">366</a> <em class="jxr_javadoccomment"> * @param loader the loader of the new context.</em> -<a name="367" href="#367">367</a> <em class="jxr_javadoccomment"> */</em> -<a name="368" href="#368">368</a> <strong class="jxr_keyword">protected</strong> Object switchObjectContext(Object object, ClassLoader loader) -<a name="369" href="#369">369</a> { -<a name="370" href="#370">370</a> ByteArrayOutputStream bout = <strong class="jxr_keyword">new</strong> ByteArrayOutputStream(); -<a name="371" href="#371">371</a> <strong class="jxr_keyword">try</strong> -<a name="372" href="#372">372</a> { -<a name="373" href="#373">373</a> ObjectOutputStream out = <strong class="jxr_keyword">new</strong> ObjectOutputStream(bout); -<a name="374" href="#374">374</a> out.writeObject(object); -<a name="375" href="#375">375</a> out.flush(); -<a name="376" href="#376">376</a> } -<a name="377" href="#377">377</a> <strong class="jxr_keyword">catch</strong> (Exception x) -<a name="378" href="#378">378</a> { -<a name="379" href="#379">379</a> <strong class="jxr_keyword">return</strong> object; -<a name="380" href="#380">380</a> } -<a name="381" href="#381">381</a> <strong class="jxr_keyword">try</strong> -<a name="382" href="#382">382</a> { -<a name="383" href="#383">383</a> ByteArrayInputStream bin = <strong class="jxr_keyword">new</strong> ByteArrayInputStream(bout.toByteArray()); -<a name="384" href="#384">384</a> <a href="../../../../org/apache/fulcrum/factory/utils/ObjectInputStreamForContext.html">ObjectInputStreamForContext</a> in = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/fulcrum/factory/utils/ObjectInputStreamForContext.html">ObjectInputStreamForContext</a>(bin, loader); -<a name="385" href="#385">385</a> <strong class="jxr_keyword">return</strong> in.readObject(); -<a name="386" href="#386">386</a> } -<a name="387" href="#387">387</a> <strong class="jxr_keyword">catch</strong> (Exception x) -<a name="388" href="#388">388</a> { -<a name="389" href="#389">389</a> <strong class="jxr_keyword">return</strong> object; -<a name="390" href="#390">390</a> } -<a name="391" href="#391">391</a> } -<a name="392" href="#392">392</a> <em class="jxr_javadoccomment">/**</em> -<a name="393" href="#393">393</a> <em class="jxr_javadoccomment"> * Loads the named class using the default class loader.</em> -<a name="394" href="#394">394</a> <em class="jxr_javadoccomment"> *</em> -<a name="395" href="#395">395</a> <em class="jxr_javadoccomment"> * @param className the name of the class to load.</em> -<a name="396" href="#396">396</a> <em class="jxr_javadoccomment"> * @return the loaded class.</em> -<a name="397" href="#397">397</a> <em class="jxr_javadoccomment"> * @throws ClassNotFoundException if the class was not found.</em> -<a name="398" href="#398">398</a> <em class="jxr_javadoccomment"> */</em> -<a name="399" href="#399">399</a> <strong class="jxr_keyword">protected</strong> Class loadClass(String className) <strong class="jxr_keyword">throws</strong> ClassNotFoundException -<a name="400" href="#400">400</a> { -<a name="401" href="#401">401</a> ClassLoader loader = <strong class="jxr_keyword">this</strong>.getClass().getClassLoader(); -<a name="402" href="#402">402</a> <strong class="jxr_keyword">try</strong> -<a name="403" href="#403">403</a> { -<a name="404" href="#404">404</a> <strong class="jxr_keyword">return</strong> loader != <strong class="jxr_keyword">null</strong> ? loader.loadClass(className) : Class.forName(className); -<a name="405" href="#405">405</a> } -<a name="406" href="#406">406</a> <strong class="jxr_keyword">catch</strong> (ClassNotFoundException x) -<a name="407" href="#407">407</a> { -<a name="408" href="#408">408</a> <em class="jxr_comment">/*<em class="jxr_comment"> Go through additional loaders. */</em></em> -<a name="409" href="#409">409</a> <strong class="jxr_keyword">for</strong> (Iterator i = classLoaders.iterator(); i.hasNext();) -<a name="410" href="#410">410</a> { -<a name="411" href="#411">411</a> <strong class="jxr_keyword">try</strong> -<a name="412" href="#412">412</a> { -<a name="413" href="#413">413</a> <strong class="jxr_keyword">return</strong> ((ClassLoader) i.next()).loadClass(className); -<a name="414" href="#414">414</a> } -<a name="415" href="#415">415</a> <strong class="jxr_keyword">catch</strong> (ClassNotFoundException xx) -<a name="416" href="#416">416</a> { -<a name="417" href="#417">417</a> <em class="jxr_comment">// continue</em> -<a name="418" href="#418">418</a> } -<a name="419" href="#419">419</a> } -<a name="420" href="#420">420</a> <em class="jxr_comment">/*<em class="jxr_comment"> Give up. */</em></em> -<a name="421" href="#421">421</a> <strong class="jxr_keyword">throw</strong> x; -<a name="422" href="#422">422</a> } -<a name="423" href="#423">423</a> } -<a name="424" href="#424">424</a> <em class="jxr_javadoccomment">/**</em> -<a name="425" href="#425">425</a> <em class="jxr_javadoccomment"> * Loads the named class using a specified class loader.</em> -<a name="426" href="#426">426</a> <em class="jxr_javadoccomment"> *</em> -<a name="427" href="#427">427</a> <em class="jxr_javadoccomment"> * @param className the name of the class to load.</em> -<a name="428" href="#428">428</a> <em class="jxr_javadoccomment"> * @param loader the loader to use.</em> -<a name="429" href="#429">429</a> <em class="jxr_javadoccomment"> * @return the loaded class.</em> -<a name="430" href="#430">430</a> <em class="jxr_javadoccomment"> * @throws ClassNotFoundException if the class was not found.</em> -<a name="431" href="#431">431</a> <em class="jxr_javadoccomment"> */</em> -<a name="432" href="#432">432</a> <strong class="jxr_keyword">protected</strong> Class loadClass(String className, ClassLoader loader) <strong class="jxr_keyword">throws</strong> ClassNotFoundException -<a name="433" href="#433">433</a> { -<a name="434" href="#434">434</a> <strong class="jxr_keyword">return</strong> loader != <strong class="jxr_keyword">null</strong> ? loader.loadClass(className) : loadClass(className); -<a name="435" href="#435">435</a> } -<a name="436" href="#436">436</a> <em class="jxr_javadoccomment">/**</em> -<a name="437" href="#437">437</a> <em class="jxr_javadoccomment"> * Gets a customized factory for a named class. If no class-specific</em> -<a name="438" href="#438">438</a> <em class="jxr_javadoccomment"> * factory is specified but a default factory is, will use the default</em> -<a name="439" href="#439">439</a> <em class="jxr_javadoccomment"> * factory.</em> -<a name="440" href="#440">440</a> <em class="jxr_javadoccomment"> *</em> -<a name="441" href="#441">441</a> <em class="jxr_javadoccomment"> * @param className the name of the class to load.</em> -<a name="442" href="#442">442</a> <em class="jxr_javadoccomment"> * @return the factory, or null if not specified and no default.</em> -<a name="443" href="#443">443</a> <em class="jxr_javadoccomment"> * @throws FactoryException if instantiation of the factory fails.</em> -<a name="444" href="#444">444</a> <em class="jxr_javadoccomment"> */</em> -<a name="445" href="#445">445</a> <strong class="jxr_keyword">protected</strong> <a href="../../../../org/apache/fulcrum/factory/Factory.html">Factory</a> getFactory(String className) <strong class="jxr_keyword">throws</strong> FactoryException -<a name="446" href="#446">446</a> { -<a name="447" href="#447">447</a> HashMap factories = objectFactories; -<a name="448" href="#448">448</a> Object factory = factories.get(className); -<a name="449" href="#449">449</a> <strong class="jxr_keyword">if</strong> (factory == <strong class="jxr_keyword">null</strong>) -<a name="450" href="#450">450</a> { -<a name="451" href="#451">451</a> <em class="jxr_comment">//No named factory for this; try the default, if one</em> -<a name="452" href="#452">452</a> <em class="jxr_comment">//exists.</em> -<a name="453" href="#453">453</a> factory = factories.get(DEFAULT_FACTORY); -<a name="454" href="#454">454</a> } -<a name="455" href="#455">455</a> <strong class="jxr_keyword">if</strong> (factory != <strong class="jxr_keyword">null</strong>) -<a name="456" href="#456">456</a> { -<a name="457" href="#457">457</a> <strong class="jxr_keyword">if</strong> (factory instanceof String) -<a name="458" href="#458">458</a> { -<a name="459" href="#459">459</a> <em class="jxr_comment">/*<em class="jxr_comment"> Not yet instantiated... */</em></em> -<a name="460" href="#460">460</a> <strong class="jxr_keyword">try</strong> -<a name="461" href="#461">461</a> { -<a name="462" href="#462">462</a> factory = (Factory) getInstance((String) factory); -<a name="463" href="#463">463</a> ((<a href="../../../../org/apache/fulcrum/factory/Factory.html">Factory</a>) factory).init(className); -<a name="464" href="#464">464</a> } -<a name="465" href="#465">465</a> <strong class="jxr_keyword">catch</strong> (FactoryException x) -<a name="466" href="#466">466</a> { -<a name="467" href="#467">467</a> <strong class="jxr_keyword">throw</strong> x; -<a name="468" href="#468">468</a> } -<a name="469" href="#469">469</a> <strong class="jxr_keyword">catch</strong> (ClassCastException x) -<a name="470" href="#470">470</a> { -<a name="471" href="#471">471</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/fulcrum/factory/FactoryException.html">FactoryException</a>(<span class="jxr_string">"Incorrect factory "</span> + (String) factory + <span class="jxr_string">" for class "</span> + className, x); -<a name="472" href="#472">472</a> } -<a name="473" href="#473">473</a> factories = (HashMap) factories.clone(); -<a name="474" href="#474">474</a> factories.put(className, factory); -<a name="475" href="#475">475</a> objectFactories = factories; -<a name="476" href="#476">476</a> } -<a name="477" href="#477">477</a> <strong class="jxr_keyword">return</strong> (Factory) factory; -<a name="478" href="#478">478</a> } -<a name="479" href="#479">479</a> <strong class="jxr_keyword">else</strong> -<a name="480" href="#480">480</a> { -<a name="481" href="#481">481</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>; -<a name="482" href="#482">482</a> } -<a name="483" href="#483">483</a> } -<a name="484" href="#484">484</a> <em class="jxr_comment">// ---------------- Avalon Lifecycle Methods ---------------------</em> -<a name="485" href="#485">485</a> <em class="jxr_javadoccomment">/**</em> -<a name="486" href="#486">486</a> <em class="jxr_javadoccomment"> * Avalon component lifecycle method</em> -<a name="487" href="#487">487</a> <em class="jxr_javadoccomment"> */</em> -<a name="488" href="#488">488</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> configure(Configuration conf) <strong class="jxr_keyword">throws</strong> ConfigurationException -<a name="489" href="#489">489</a> { -<a name="490" href="#490">490</a> <strong class="jxr_keyword">final</strong> Configuration[] loaders = conf.getChildren(CLASS_LOADER); -<a name="491" href="#491">491</a> <strong class="jxr_keyword">if</strong> (loaders != <strong class="jxr_keyword">null</strong>) -<a name="492" href="#492">492</a> { -<a name="493" href="#493">493</a> loaderNames = <strong class="jxr_keyword">new</strong> String[loaders.length]; -<a name="494" href="#494">494</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < loaders.length; i++) -<a name="495" href="#495">495</a> { -<a name="496" href="#496">496</a> loaderNames[i] = loaders[i].getValue(); -<a name="497" href="#497">497</a> } -<a name="498" href="#498">498</a> } -<a name="499" href="#499">499</a> <strong class="jxr_keyword">final</strong> Configuration factories = conf.getChild(OBJECT_FACTORY, false); -<a name="500" href="#500">500</a> <strong class="jxr_keyword">if</strong> (factories != <strong class="jxr_keyword">null</strong>) -<a name="501" href="#501">501</a> { -<a name="502" href="#502">502</a> Configuration[] nameVal = factories.getChildren(); -<a name="503" href="#503">503</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < nameVal.length; i++) -<a name="504" href="#504">504</a> { -<a name="505" href="#505">505</a> String key = nameVal[i].getName(); -<a name="506" href="#506">506</a> String factory = nameVal[i].getValue(); -<a name="507" href="#507">507</a> <em class="jxr_comment">// Store the factory to the table as a string and</em> -<a name="508" href="#508">508</a> <em class="jxr_comment">// instantiate it by using the service when needed.</em> -<a name="509" href="#509">509</a> objectFactories.put(key, factory); -<a name="510" href="#510">510</a> } -<a name="511" href="#511">511</a> } -<a name="512" href="#512">512</a> } -<a name="513" href="#513">513</a> <em class="jxr_javadoccomment">/**</em> -<a name="514" href="#514">514</a> <em class="jxr_javadoccomment"> * Avalon component lifecycle method</em> -<a name="515" href="#515">515</a> <em class="jxr_javadoccomment"> * Initializes the service by loading default class loaders</em> -<a name="516" href="#516">516</a> <em class="jxr_javadoccomment"> * and customized object factories.</em> -<a name="517" href="#517">517</a> <em class="jxr_javadoccomment"> *</em> -<a name="518" href="#518">518</a> <em class="jxr_javadoccomment"> * @throws InitializationException if initialization fails.</em> -<a name="519" href="#519">519</a> <em class="jxr_javadoccomment"> */</em> -<a name="520" href="#520">520</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> initialize() <strong class="jxr_keyword">throws</strong> Exception -<a name="521" href="#521">521</a> { -<a name="522" href="#522">522</a> <strong class="jxr_keyword">if</strong> (loaderNames != <strong class="jxr_keyword">null</strong>) -<a name="523" href="#523">523</a> { -<a name="524" href="#524">524</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < loaderNames.length; i++) -<a name="525" href="#525">525</a> { -<a name="526" href="#526">526</a> <strong class="jxr_keyword">try</strong> -<a name="527" href="#527">527</a> { -<a name="528" href="#528">528</a> classLoaders.add(loadClass(loaderNames[i]).newInstance()); -<a name="529" href="#529">529</a> } -<a name="530" href="#530">530</a> <strong class="jxr_keyword">catch</strong> (Exception x) -<a name="531" href="#531">531</a> { -<a name="532" href="#532">532</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> Exception( -<a name="533" href="#533">533</a> <span class="jxr_string">"No such class loader '"</span> + loaderNames[i] + <span class="jxr_string">"' for DefaultFactoryService"</span>, -<a name="534" href="#534">534</a> x); -<a name="535" href="#535">535</a> } -<a name="536" href="#536">536</a> } -<a name="537" href="#537">537</a> loaderNames = <strong class="jxr_keyword">null</strong>; -<a name="538" href="#538">538</a> } -<a name="539" href="#539">539</a> } -<a name="540" href="#540">540</a> } +<a class="jxr_linenumber" name="1" href="#1">1</a> <strong class="jxr_keyword">package</strong> org.apache.fulcrum.factory; +<a class="jxr_linenumber" name="2" href="#2">2</a> +<a class="jxr_linenumber" name="3" href="#3">3</a> <em class="jxr_comment">/*</em> +<a class="jxr_linenumber" name="4" href="#4">4</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em> +<a class="jxr_linenumber" name="5" href="#5">5</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em> +<a class="jxr_linenumber" name="6" href="#6">6</a> <em class="jxr_comment"> * distributed with this work for additional information</em> +<a class="jxr_linenumber" name="7" href="#7">7</a> <em class="jxr_comment"> * regarding copyright ownership. The ASF licenses this file</em> +<a class="jxr_linenumber" name="8" href="#8">8</a> <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em> +<a class="jxr_linenumber" name="9" href="#9">9</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em> +<a class="jxr_linenumber" name="10" href="#10">10</a> <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em> +<a class="jxr_linenumber" name="11" href="#11">11</a> <em class="jxr_comment"> *</em> +<a class="jxr_linenumber" name="12" href="#12">12</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="13" href="#13">13</a> <em class="jxr_comment"> *</em> +<a class="jxr_linenumber" name="14" href="#14">14</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing,</em> +<a class="jxr_linenumber" name="15" href="#15">15</a> <em class="jxr_comment"> * software distributed under the License is distributed on an</em> +<a class="jxr_linenumber" name="16" href="#16">16</a> <em class="jxr_comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em> +<a class="jxr_linenumber" name="17" href="#17">17</a> <em class="jxr_comment"> * KIND, either express or implied. See the License for the</em> +<a class="jxr_linenumber" name="18" href="#18">18</a> <em class="jxr_comment"> * specific language governing permissions and limitations</em> +<a class="jxr_linenumber" name="19" href="#19">19</a> <em class="jxr_comment"> * under the License.</em> +<a class="jxr_linenumber" name="20" href="#20">20</a> <em class="jxr_comment"> */</em> +<a class="jxr_linenumber" name="21" href="#21">21</a> +<a class="jxr_linenumber" name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> java.io.ByteArrayInputStream; +<a class="jxr_linenumber" name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> java.io.ByteArrayOutputStream; +<a class="jxr_linenumber" name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> java.io.IOException; +<a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> java.io.ObjectOutputStream; +<a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> java.util.ArrayList; +<a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> java.util.HashMap; +<a class="jxr_linenumber" name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.ConcurrentHashMap; +<a class="jxr_linenumber" name="29" href="#29">29</a> +<a class="jxr_linenumber" name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> org.apache.avalon.framework.activity.Disposable; +<a class="jxr_linenumber" name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> org.apache.avalon.framework.activity.Initializable; +<a class="jxr_linenumber" name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> org.apache.avalon.framework.configuration.Configurable; +<a class="jxr_linenumber" name="33" href="#33">33</a> <strong class="jxr_keyword">import</strong> org.apache.avalon.framework.configuration.Configuration; +<a class="jxr_linenumber" name="34" href="#34">34</a> <strong class="jxr_keyword">import</strong> org.apache.avalon.framework.configuration.ConfigurationException; +<a class="jxr_linenumber" name="35" href="#35">35</a> <strong class="jxr_keyword">import</strong> org.apache.avalon.framework.logger.AbstractLogEnabled; +<a class="jxr_linenumber" name="36" href="#36">36</a> <strong class="jxr_keyword">import</strong> org.apache.fulcrum.factory.utils.ObjectInputStreamForContext; +<a class="jxr_linenumber" name="37" href="#37">37</a> +<a class="jxr_linenumber" name="38" href="#38">38</a> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="39" href="#39">39</a> <em class="jxr_javadoccomment"> * The Factory Service instantiates objects using specified</em> +<a class="jxr_linenumber" name="40" href="#40">40</a> <em class="jxr_javadoccomment"> * class loaders. If none is specified, the default one</em> +<a class="jxr_linenumber" name="41" href="#41">41</a> <em class="jxr_javadoccomment"> * will be used.</em> +<a class="jxr_linenumber" name="42" href="#42">42</a> <em class="jxr_javadoccomment"> *</em> +<a class="jxr_linenumber" name="43" href="#43">43</a> <em class="jxr_javadoccomment"> * @author <a href="<a href="mailto:[email protected]"; target="alexandria_uri">mailto:[email protected]</a>">Eric Pugh</a></em> +<a class="jxr_linenumber" name="44" href="#44">44</a> <em class="jxr_javadoccomment"> * @author <a href="<a href="mailto:[email protected]"; target="alexandria_uri">mailto:[email protected]</a>">Ilkka Priha</a></em> +<a class="jxr_linenumber" name="45" href="#45">45</a> <em class="jxr_javadoccomment"> * @author <a href="<a href="mailto:[email protected]"; target="alexandria_uri">mailto:[email protected]</a>">Stephen McConnell</a></em> +<a class="jxr_linenumber" name="46" href="#46">46</a> <em class="jxr_javadoccomment"> * @version $Id: DefaultFactoryService.java 1771590 2016-11-27 13:36:13Z tv $</em> +<a class="jxr_linenumber" name="47" href="#47">47</a> <em class="jxr_javadoccomment"> *</em> +<a class="jxr_linenumber" name="48" href="#48">48</a> <em class="jxr_javadoccomment"> * @avalon.component name="factory" lifestyle="singleton"</em> +<a class="jxr_linenumber" name="49" href="#49">49</a> <em class="jxr_javadoccomment"> * @avalon.service type="org.apache.fulcrum.factory.FactoryService"</em> +<a class="jxr_linenumber" name="50" href="#50">50</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="51" href="#51">51</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/fulcrum/factory/DefaultFactoryService.html">DefaultFactoryService</a> +<a class="jxr_linenumber" name="52" href="#52">52</a> <strong class="jxr_keyword">extends</strong> AbstractLogEnabled +<a class="jxr_linenumber" name="53" href="#53">53</a> <strong class="jxr_keyword">implements</strong> FactoryService, Configurable, Initializable, Disposable +<a class="jxr_linenumber" name="54" href="#54">54</a> { +<a class="jxr_linenumber" name="55" href="#55">55</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">boolean</strong> initialized = false; +<a class="jxr_linenumber" name="56" href="#56">56</a> <em class="jxr_comment">//private boolean disposed = false;</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> <em class="jxr_javadoccomment"> * The property specifying a set of additional class loaders.</em> +<a class="jxr_linenumber" name="59" href="#59">59</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="60" href="#60">60</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String CLASS_LOADER = <span class="jxr_string">"classloader"</span>; +<a class="jxr_linenumber" name="61" href="#61">61</a> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="62" href="#62">62</a> <em class="jxr_javadoccomment"> * The property prefix specifying additional object factories.</em> +<a class="jxr_linenumber" name="63" href="#63">63</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="64" href="#64">64</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String OBJECT_FACTORY = <span class="jxr_string">"object-factory"</span>; +<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"> * The name of the default factory.</em> +<a class="jxr_linenumber" name="67" href="#67">67</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="68" href="#68">68</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String DEFAULT_FACTORY = <span class="jxr_string">"default"</span>; +<a class="jxr_linenumber" name="69" href="#69">69</a> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="70" href="#70">70</a> <em class="jxr_javadoccomment"> * Primitive classes for reflection of constructors.</em> +<a class="jxr_linenumber" name="71" href="#71">71</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="72" href="#72">72</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> HashMap<String, Class<?>> primitiveClasses; +<a class="jxr_linenumber" name="73" href="#73">73</a> +<a class="jxr_linenumber" name="74" href="#74">74</a> { +<a class="jxr_linenumber" name="75" href="#75">75</a> primitiveClasses = <strong class="jxr_keyword">new</strong> HashMap<String, Class<?>>(8); +<a class="jxr_linenumber" name="76" href="#76">76</a> primitiveClasses.put(Boolean.TYPE.toString(), Boolean.TYPE); +<a class="jxr_linenumber" name="77" href="#77">77</a> primitiveClasses.put(Character.TYPE.toString(), Character.TYPE); +<a class="jxr_linenumber" name="78" href="#78">78</a> primitiveClasses.put(Byte.TYPE.toString(), Byte.TYPE); +<a class="jxr_linenumber" name="79" href="#79">79</a> primitiveClasses.put(Short.TYPE.toString(), Short.TYPE); +<a class="jxr_linenumber" name="80" href="#80">80</a> primitiveClasses.put(Integer.TYPE.toString(), Integer.TYPE); +<a class="jxr_linenumber" name="81" href="#81">81</a> primitiveClasses.put(Long.TYPE.toString(), Long.TYPE); +<a class="jxr_linenumber" name="82" href="#82">82</a> primitiveClasses.put(Float.TYPE.toString(), Float.TYPE); +<a class="jxr_linenumber" name="83" href="#83">83</a> primitiveClasses.put(Double.TYPE.toString(), Double.TYPE); +<a class="jxr_linenumber" name="84" href="#84">84</a> } +<a class="jxr_linenumber" name="85" href="#85">85</a> +<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"> * temporary storage of class names between configure and initialize</em> +<a class="jxr_linenumber" name="88" href="#88">88</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="89" href="#89">89</a> <strong class="jxr_keyword">private</strong> String[] loaderNames; +<a class="jxr_linenumber" name="90" href="#90">90</a> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="91" href="#91">91</a> <em class="jxr_javadoccomment"> * Additional class loaders.</em> +<a class="jxr_linenumber" name="92" href="#92">92</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="93" href="#93">93</a> <strong class="jxr_keyword">private</strong> ArrayList<ClassLoader> classLoaders = <strong class="jxr_keyword">new</strong> ArrayList<ClassLoader>(); +<a class="jxr_linenumber" name="94" href="#94">94</a> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="95" href="#95">95</a> <em class="jxr_javadoccomment"> * Customized object factories.</em> +<a class="jxr_linenumber" name="96" href="#96">96</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="97" href="#97">97</a> <strong class="jxr_keyword">private</strong> ConcurrentHashMap<String, Factory<?>> objectFactories = +<a class="jxr_linenumber" name="98" href="#98">98</a> <strong class="jxr_keyword">new</strong> ConcurrentHashMap<String, Factory<?>>(); +<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"> * Customized object factory classes.</em> +<a class="jxr_linenumber" name="101" href="#101">101</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="102" href="#102">102</a> <strong class="jxr_keyword">private</strong> ConcurrentHashMap<String, String> objectFactoryClasses = +<a class="jxr_linenumber" name="103" href="#103">103</a> <strong class="jxr_keyword">new</strong> ConcurrentHashMap<String, String>(); +<a class="jxr_linenumber" name="104" href="#104">104</a> +<a class="jxr_linenumber" name="105" href="#105">105</a> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="106" href="#106">106</a> <em class="jxr_javadoccomment"> * Gets the class of a primitive type.</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 type a primitive type.</em> +<a class="jxr_linenumber" name="109" href="#109">109</a> <em class="jxr_javadoccomment"> * @return the corresponding class, or null.</em> +<a class="jxr_linenumber" name="110" href="#110">110</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="111" href="#111">111</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> Class<?> getPrimitiveClass(String type) +<a class="jxr_linenumber" name="112" href="#112">112</a> { +<a class="jxr_linenumber" name="113" href="#113">113</a> <strong class="jxr_keyword">return</strong> primitiveClasses.get(type); +<a class="jxr_linenumber" name="114" href="#114">114</a> } +<a class="jxr_linenumber" name="115" href="#115">115</a> +<a class="jxr_linenumber" name="116" href="#116">116</a> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="117" href="#117">117</a> <em class="jxr_javadoccomment"> * Gets an instance of a named class.</em> +<a class="jxr_linenumber" name="118" href="#118">118</a> <em class="jxr_javadoccomment"> *</em> +<a class="jxr_linenumber" name="119" href="#119">119</a> <em class="jxr_javadoccomment"> * @param className the name of the class.</em> +<a class="jxr_linenumber" name="120" href="#120">120</a> <em class="jxr_javadoccomment"> * @return the instance.</em> +<a class="jxr_linenumber" name="121" href="#121">121</a> <em class="jxr_javadoccomment"> * @throws FactoryException if instantiation fails.</em> +<a class="jxr_linenumber" name="122" href="#122">122</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="123" href="#123">123</a> @Override +<a class="jxr_linenumber" name="124" href="#124">124</a> <strong class="jxr_keyword">public</strong> <T> T getInstance(String className) <strong class="jxr_keyword">throws</strong> FactoryException +<a class="jxr_linenumber" name="125" href="#125">125</a> { +<a class="jxr_linenumber" name="126" href="#126">126</a> <strong class="jxr_keyword">if</strong> (className == <strong class="jxr_keyword">null</strong>) +<a class="jxr_linenumber" name="127" href="#127">127</a> { +<a class="jxr_linenumber" name="128" href="#128">128</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/fulcrum/factory/FactoryException.html">FactoryException</a>(<span class="jxr_string">"Missing String className"</span>); +<a class="jxr_linenumber" name="129" href="#129">129</a> } +<a class="jxr_linenumber" name="130" href="#130">130</a> Factory<T> factory = getFactory(className); +<a class="jxr_linenumber" name="131" href="#131">131</a> <strong class="jxr_keyword">if</strong> (factory == <strong class="jxr_keyword">null</strong>) +<a class="jxr_linenumber" name="132" href="#132">132</a> { +<a class="jxr_linenumber" name="133" href="#133">133</a> Class<T> clazz; +<a class="jxr_linenumber" name="134" href="#134">134</a> <strong class="jxr_keyword">try</strong> +<a class="jxr_linenumber" name="135" href="#135">135</a> { +<a class="jxr_linenumber" name="136" href="#136">136</a> clazz = loadClass(className); +<a class="jxr_linenumber" name="137" href="#137">137</a> } +<a class="jxr_linenumber" name="138" href="#138">138</a> <strong class="jxr_keyword">catch</strong> (ClassNotFoundException x) +<a class="jxr_linenumber" name="139" href="#139">139</a> { +<a class="jxr_linenumber" name="140" href="#140">140</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/fulcrum/factory/FactoryException.html">FactoryException</a>(<span class="jxr_string">"Instantiation failed for class "</span> + className, x); +<a class="jxr_linenumber" name="141" href="#141">141</a> } +<a class="jxr_linenumber" name="142" href="#142">142</a> <strong class="jxr_keyword">return</strong> getInstance(clazz); +<a class="jxr_linenumber" name="143" href="#143">143</a> } +<a class="jxr_linenumber" name="144" href="#144">144</a> <strong class="jxr_keyword">else</strong> +<a class="jxr_linenumber" name="145" href="#145">145</a> { +<a class="jxr_linenumber" name="146" href="#146">146</a> <strong class="jxr_keyword">return</strong> factory.getInstance(); +<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> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="150" href="#150">150</a> <em class="jxr_javadoccomment"> * Gets an instance of a named class using a specified class loader.</em> +<a class="jxr_linenumber" name="151" href="#151">151</a> <em class="jxr_javadoccomment"> *</em> +<a class="jxr_linenumber" name="152" href="#152">152</a> <em class="jxr_javadoccomment"> * <p>Class loaders are supported only if the isLoaderSupported</em> +<a class="jxr_linenumber" name="153" href="#153">153</a> <em class="jxr_javadoccomment"> * method returns true. Otherwise the loader parameter is ignored.</em> +<a class="jxr_linenumber" name="154" href="#154">154</a> <em class="jxr_javadoccomment"> *</em> +<a class="jxr_linenumber" name="155" href="#155">155</a> <em class="jxr_javadoccomment"> * @param className the name of the class.</em> +<a class="jxr_linenumber" name="156" href="#156">156</a> <em class="jxr_javadoccomment"> * @param loader the class loader.</em> +<a class="jxr_linenumber" name="157" href="#157">157</a> <em class="jxr_javadoccomment"> * @return the instance.</em> +<a class="jxr_linenumber" name="158" href="#158">158</a> <em class="jxr_javadoccomment"> * @throws FactoryException if instantiation fails.</em> +<a class="jxr_linenumber" name="159" href="#159">159</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="160" href="#160">160</a> @Override +<a class="jxr_linenumber" name="161" href="#161">161</a> <strong class="jxr_keyword">public</strong> <T> T getInstance(String className, ClassLoader loader) <strong class="jxr_keyword">throws</strong> FactoryException +<a class="jxr_linenumber" name="162" href="#162">162</a> { +<a class="jxr_linenumber" name="163" href="#163">163</a> Factory<T> factory = getFactory(className); +<a class="jxr_linenumber" name="164" href="#164">164</a> <strong class="jxr_keyword">if</strong> (factory == <strong class="jxr_keyword">null</strong>) +<a class="jxr_linenumber" name="165" href="#165">165</a> { +<a class="jxr_linenumber" name="166" href="#166">166</a> <strong class="jxr_keyword">if</strong> (loader != <strong class="jxr_keyword">null</strong>) +<a class="jxr_linenumber" name="167" href="#167">167</a> { +<a class="jxr_linenumber" name="168" href="#168">168</a> Class<T> clazz; +<a class="jxr_linenumber" name="169" href="#169">169</a> <strong class="jxr_keyword">try</strong> +<a class="jxr_linenumber" name="170" href="#170">170</a> { +<a class="jxr_linenumber" name="171" href="#171">171</a> clazz = loadClass(className, loader); +<a class="jxr_linenumber" name="172" href="#172">172</a> } +<a class="jxr_linenumber" name="173" href="#173">173</a> <strong class="jxr_keyword">catch</strong> (ClassNotFoundException x) +<a class="jxr_linenumber" name="174" href="#174">174</a> { +<a class="jxr_linenumber" name="175" href="#175">175</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/fulcrum/factory/FactoryException.html">FactoryException</a>(<span class="jxr_string">"Instantiation failed for class "</span> + className, x); +<a class="jxr_linenumber" name="176" href="#176">176</a> } +<a class="jxr_linenumber" name="177" href="#177">177</a> <strong class="jxr_keyword">return</strong> getInstance(clazz); +<a class="jxr_linenumber" name="178" href="#178">178</a> } +<a class="jxr_linenumber" name="179" href="#179">179</a> <strong class="jxr_keyword">else</strong> +<a class="jxr_linenumber" name="180" href="#180">180</a> { +<a class="jxr_linenumber" name="181" href="#181">181</a> <strong class="jxr_keyword">return</strong> getInstance(className); +<a class="jxr_linenumber" name="182" href="#182">182</a> } +<a class="jxr_linenumber" name="183" href="#183">183</a> } +<a class="jxr_linenumber" name="184" href="#184">184</a> <strong class="jxr_keyword">else</strong> +<a class="jxr_linenumber" name="185" href="#185">185</a> { +<a class="jxr_linenumber" name="186" href="#186">186</a> <strong class="jxr_keyword">return</strong> factory.getInstance(loader); +<a class="jxr_linenumber" name="187" href="#187">187</a> } +<a class="jxr_linenumber" name="188" href="#188">188</a> } +<a class="jxr_linenumber" name="189" href="#189">189</a> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="190" href="#190">190</a> <em class="jxr_javadoccomment"> * Gets an instance of a named class.</em> +<a class="jxr_linenumber" name="191" href="#191">191</a> <em class="jxr_javadoccomment"> * Parameters for its constructor are given as an array of objects,</em> +<a class="jxr_linenumber" name="192" href="#192">192</a> <em class="jxr_javadoccomment"> * primitive types must be wrapped with a corresponding class.</em> +<a class="jxr_linenumber" name="193" href="#193">193</a> <em class="jxr_javadoccomment"> *</em> +<a class="jxr_linenumber" name="194" href="#194">194</a> <em class="jxr_javadoccomment"> * @param className the name of the class.</em> +<a class="jxr_linenumber" name="195" href="#195">195</a> <em class="jxr_javadoccomment"> * @param params an array containing the parameters of the constructor.</em> +<a class="jxr_linenumber" name="196" href="#196">196</a> <em class="jxr_javadoccomment"> * @param signature an array containing the signature of the constructor.</em> +<a class="jxr_linenumber" name="197" href="#197">197</a> <em class="jxr_javadoccomment"> * @return the instance.</em> +<a class="jxr_linenumber" name="198" href="#198">198</a> <em class="jxr_javadoccomment"> * @throws FactoryException if instantiation fails.</em> +<a class="jxr_linenumber" name="199" href="#199">199</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="200" href="#200">200</a> @Override +<a class="jxr_linenumber" name="201" href="#201">201</a> <strong class="jxr_keyword">public</strong> <T> T getInstance(String className, Object[] params, String[] signature) <strong class="jxr_keyword">throws</strong> FactoryException +<a class="jxr_linenumber" name="202" href="#202">202</a> { +<a class="jxr_linenumber" name="203" href="#203">203</a> Factory<T> factory = getFactory(className); +<a class="jxr_linenumber" name="204" href="#204">204</a> <strong class="jxr_keyword">if</strong> (factory == <strong class="jxr_keyword">null</strong>) +<a class="jxr_linenumber" name="205" href="#205">205</a> { +<a class="jxr_linenumber" name="206" href="#206">206</a> Class<T> clazz; +<a class="jxr_linenumber" name="207" href="#207">207</a> <strong class="jxr_keyword">try</strong> +<a class="jxr_linenumber" name="208" href="#208">208</a> { +<a class="jxr_linenumber" name="209" href="#209">209</a> clazz = loadClass(className); +<a class="jxr_linenumber" name="210" href="#210">210</a> } +<a class="jxr_linenumber" name="211" href="#211">211</a> <strong class="jxr_keyword">catch</strong> (ClassNotFoundException x) +<a class="jxr_linenumber" name="212" href="#212">212</a> { +<a class="jxr_linenumber" name="213" href="#213">213</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/fulcrum/factory/FactoryException.html">FactoryException</a>(<span class="jxr_string">"Instantiation failed for class "</span> + className, x); +<a class="jxr_linenumber" name="214" href="#214">214</a> } +<a class="jxr_linenumber" name="215" href="#215">215</a> <strong class="jxr_keyword">return</strong> getInstance(clazz, params, signature); +<a class="jxr_linenumber" name="216" href="#216">216</a> } +<a class="jxr_linenumber" name="217" href="#217">217</a> <strong class="jxr_keyword">else</strong> +<a class="jxr_linenumber" name="218" href="#218">218</a> { +<a class="jxr_linenumber" name="219" href="#219">219</a> <strong class="jxr_keyword">return</strong> factory.getInstance(params, signature); +<a class="jxr_linenumber" name="220" href="#220">220</a> } +<a class="jxr_linenumber" name="221" href="#221">221</a> } +<a class="jxr_linenumber" name="222" href="#222">222</a> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="223" href="#223">223</a> <em class="jxr_javadoccomment"> * Gets an instance of a named class using a specified class loader.</em> +<a class="jxr_linenumber" name="224" href="#224">224</a> <em class="jxr_javadoccomment"> * Parameters for its constructor are given as an array of objects,</em> +<a class="jxr_linenumber" name="225" href="#225">225</a> <em class="jxr_javadoccomment"> * primitive types must be wrapped with a corresponding class.</em> +<a class="jxr_linenumber" name="226" href="#226">226</a> <em class="jxr_javadoccomment"> *</em> +<a class="jxr_linenumber" name="227" href="#227">227</a> <em class="jxr_javadoccomment"> * <p>Class loaders are supported only if the isLoaderSupported</em> +<a class="jxr_linenumber" name="228" href="#228">228</a> <em class="jxr_javadoccomment"> * method returns true. Otherwise the loader parameter is ignored.</em> +<a class="jxr_linenumber" name="229" href="#229">229</a> <em class="jxr_javadoccomment"> *</em> +<a class="jxr_linenumber" name="230" href="#230">230</a> <em class="jxr_javadoccomment"> * @param className the name of the class.</em> +<a class="jxr_linenumber" name="231" href="#231">231</a> <em class="jxr_javadoccomment"> * @param loader the class loader.</em> +<a class="jxr_linenumber" name="232" href="#232">232</a> <em class="jxr_javadoccomment"> * @param params an array containing the parameters of the constructor.</em> +<a class="jxr_linenumber" name="233" href="#233">233</a> <em class="jxr_javadoccomment"> * @param signature an array containing the signature of the constructor.</em> +<a class="jxr_linenumber" name="234" href="#234">234</a> <em class="jxr_javadoccomment"> * @return the instance.</em> +<a class="jxr_linenumber" name="235" href="#235">235</a> <em class="jxr_javadoccomment"> * @throws FactoryException if instantiation fails.</em> +<a class="jxr_linenumber" name="236" href="#236">236</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="237" href="#237">237</a> @Override +<a class="jxr_linenumber" name="238" href="#238">238</a> <strong class="jxr_keyword">public</strong> <T> T getInstance(String className, ClassLoader loader, Object[] params, String[] signature) +<a class="jxr_linenumber" name="239" href="#239">239</a> <strong class="jxr_keyword">throws</strong> <a href="../../../../org/apache/fulcrum/factory/FactoryException.html">FactoryException</a> +<a class="jxr_linenumber" name="240" href="#240">240</a> { +<a class="jxr_linenumber" name="241" href="#241">241</a> Factory<T> factory = getFactory(className); +<a class="jxr_linenumber" name="242" href="#242">242</a> <strong class="jxr_keyword">if</strong> (factory == <strong class="jxr_keyword">null</strong>) +<a class="jxr_linenumber" name="243" href="#243">243</a> { +<a class="jxr_linenumber" name="244" href="#244">244</a> <strong class="jxr_keyword">if</strong> (loader != <strong class="jxr_keyword">null</strong>) +<a class="jxr_linenumber" name="245" href="#245">245</a> { +<a class="jxr_linenumber" name="246" href="#246">246</a> Class<T> clazz; +<a class="jxr_linenumber" name="247" href="#247">247</a> <strong class="jxr_keyword">try</strong> +<a class="jxr_linenumber" name="248" href="#248">248</a> { +<a class="jxr_linenumber" name="249" href="#249">249</a> clazz = loadClass(className, loader); +<a class="jxr_linenumber" name="250" href="#250">250</a> } +<a class="jxr_linenumber" name="251" href="#251">251</a> <strong class="jxr_keyword">catch</strong> (ClassNotFoundException x) +<a class="jxr_linenumber" name="252" href="#252">252</a> { +<a class="jxr_linenumber" name="253" href="#253">253</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/fulcrum/factory/FactoryException.html">FactoryException</a>(<span class="jxr_string">"Instantiation failed for class "</span> + className, x); +<a class="jxr_linenumber" name="254" href="#254">254</a> } +<a class="jxr_linenumber" name="255" href="#255">255</a> <strong class="jxr_keyword">return</strong> getInstance(clazz, params, signature); +<a class="jxr_linenumber" name="256" href="#256">256</a> } +<a class="jxr_linenumber" name="257" href="#257">257</a> <strong class="jxr_keyword">else</strong> +<a class="jxr_linenumber" name="258" href="#258">258</a> { +<a class="jxr_linenumber" name="259" href="#259">259</a> <strong class="jxr_keyword">return</strong> getInstance(className, params, signature); +<a class="jxr_linenumber" name="260" href="#260">260</a> } +<a class="jxr_linenumber" name="261" href="#261">261</a> } +<a class="jxr_linenumber" name="262" href="#262">262</a> <strong class="jxr_keyword">else</strong> +<a class="jxr_linenumber" name="263" href="#263">263</a> { +<a class="jxr_linenumber" name="264" href="#264">264</a> <strong class="jxr_keyword">return</strong> factory.getInstance(loader, params, signature); +<a class="jxr_linenumber" name="265" href="#265">265</a> } +<a class="jxr_linenumber" name="266" href="#266">266</a> } +<a class="jxr_linenumber" name="267" href="#267">267</a> <em class="jxr_javadoccomment">/**</em> +<a class="jxr_linenumber" name="268" href="#268">268</a> <em class="jxr_javadoccomment"> * Tests if specified class loaders are supported for a named class.</em> +<a class="jxr_linenumber" name="269" href="#269">269</a> <em class="jxr_javadoccomment"> *</em> +<a class="jxr_linenumber" name="270" href="#270">270</a> <em class="jxr_javadoccomment"> * @param className the name of the class.</em> +<a class="jxr_linenumber" name="271" href="#271">271</a> <em class="jxr_javadoccomment"> * @return true if class loaders are supported, false otherwise.</em> +<a class="jxr_linenumber" name="272" href="#272">272</a> <em class="jxr_javadoccomment"> * @throws FactoryException if test fails.</em> +<a class="jxr_linenumber" name="273" href="#273">273</a> <em class="jxr_javadoccomment"> */</em> +<a class="jxr_linenumber" name="274" href="#274">274</a> @Override +<a class="jxr_linenumber" name="275" href="#275">275</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isLoaderSupported(String className) <strong class="jxr_keyword">throws</strong> FactoryException +<a class="jxr_linenumber" name="276" href="#276">276</a> {
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