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| <FONT color="green">001</FONT> /*<a name="line.1"></a> |
| <FONT color="green">002</FONT> * Licensed to the Apache Software Foundation (ASF) under one or more<a name="line.2"></a> |
| <FONT color="green">003</FONT> * contributor license agreements. See the NOTICE file distributed with<a name="line.3"></a> |
| <FONT color="green">004</FONT> * this work for additional information regarding copyright ownership.<a name="line.4"></a> |
| <FONT color="green">005</FONT> * The ASF licenses this file to You under the Apache license, Version 2.0<a name="line.5"></a> |
| <FONT color="green">006</FONT> * (the "License"); you may not use this file except in compliance with<a name="line.6"></a> |
| <FONT color="green">007</FONT> * the License. You may obtain a copy of the License at<a name="line.7"></a> |
| <FONT color="green">008</FONT> *<a name="line.8"></a> |
| <FONT color="green">009</FONT> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a> |
| <FONT color="green">010</FONT> *<a name="line.10"></a> |
| <FONT color="green">011</FONT> * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a> |
| <FONT color="green">012</FONT> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a> |
| <FONT color="green">013</FONT> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a> |
| <FONT color="green">014</FONT> * See the license for the specific language governing permissions and<a name="line.14"></a> |
| <FONT color="green">015</FONT> * limitations under the license.<a name="line.15"></a> |
| <FONT color="green">016</FONT> */<a name="line.16"></a> |
| <FONT color="green">017</FONT> package org.apache.logging.log4j.core.config.plugins;<a name="line.17"></a> |
| <FONT color="green">018</FONT> <a name="line.18"></a> |
| <FONT color="green">019</FONT> import org.apache.logging.log4j.Logger;<a name="line.19"></a> |
| <FONT color="green">020</FONT> import org.apache.logging.log4j.core.helpers.Loader;<a name="line.20"></a> |
| <FONT color="green">021</FONT> import org.apache.logging.log4j.status.StatusLogger;<a name="line.21"></a> |
| <FONT color="green">022</FONT> <a name="line.22"></a> |
| <FONT color="green">023</FONT> import java.io.BufferedInputStream;<a name="line.23"></a> |
| <FONT color="green">024</FONT> import java.io.BufferedOutputStream;<a name="line.24"></a> |
| <FONT color="green">025</FONT> import java.io.DataInputStream;<a name="line.25"></a> |
| <FONT color="green">026</FONT> import java.io.DataOutputStream;<a name="line.26"></a> |
| <FONT color="green">027</FONT> import java.io.FileOutputStream;<a name="line.27"></a> |
| <FONT color="green">028</FONT> import java.io.InputStream;<a name="line.28"></a> |
| <FONT color="green">029</FONT> import java.text.DecimalFormat;<a name="line.29"></a> |
| <FONT color="green">030</FONT> import java.util.HashMap;<a name="line.30"></a> |
| <FONT color="green">031</FONT> import java.util.Map;<a name="line.31"></a> |
| <FONT color="green">032</FONT> import java.util.concurrent.ConcurrentHashMap;<a name="line.32"></a> |
| <FONT color="green">033</FONT> import java.util.concurrent.ConcurrentMap;<a name="line.33"></a> |
| <FONT color="green">034</FONT> import java.util.concurrent.CopyOnWriteArrayList;<a name="line.34"></a> |
| <FONT color="green">035</FONT> <a name="line.35"></a> |
| <FONT color="green">036</FONT> /**<a name="line.36"></a> |
| <FONT color="green">037</FONT> * Component that loads and manages all the plugins.<a name="line.37"></a> |
| <FONT color="green">038</FONT> */<a name="line.38"></a> |
| <FONT color="green">039</FONT> public class PluginManager {<a name="line.39"></a> |
| <FONT color="green">040</FONT> <a name="line.40"></a> |
| <FONT color="green">041</FONT> private static final long NANOS_PER_SECOND = 1000000000L;<a name="line.41"></a> |
| <FONT color="green">042</FONT> <a name="line.42"></a> |
| <FONT color="green">043</FONT> private static ConcurrentMap<String, ConcurrentMap<String, PluginType>> pluginTypeMap =<a name="line.43"></a> |
| <FONT color="green">044</FONT> new ConcurrentHashMap<String, ConcurrentMap<String, PluginType>>();<a name="line.44"></a> |
| <FONT color="green">045</FONT> <a name="line.45"></a> |
| <FONT color="green">046</FONT> private static CopyOnWriteArrayList<String> packages = new CopyOnWriteArrayList<String>();<a name="line.46"></a> |
| <FONT color="green">047</FONT> private static final String PATH = "org/apache/logging/log4j/core/config/plugins/";<a name="line.47"></a> |
| <FONT color="green">048</FONT> private static final String FILENAME = "Log4j2Plugins.dat";<a name="line.48"></a> |
| <FONT color="green">049</FONT> private static final String LOG4J_PACKAGES = "org.apache.logging.log4j.core";<a name="line.49"></a> |
| <FONT color="green">050</FONT> <a name="line.50"></a> |
| <FONT color="green">051</FONT> private static final Logger LOGGER = StatusLogger.getLogger();<a name="line.51"></a> |
| <FONT color="green">052</FONT> <a name="line.52"></a> |
| <FONT color="green">053</FONT> private static String rootDir;<a name="line.53"></a> |
| <FONT color="green">054</FONT> <a name="line.54"></a> |
| <FONT color="green">055</FONT> private Map<String, PluginType> plugins = new HashMap<String, PluginType>();<a name="line.55"></a> |
| <FONT color="green">056</FONT> private final String type;<a name="line.56"></a> |
| <FONT color="green">057</FONT> private final Class clazz;<a name="line.57"></a> |
| <FONT color="green">058</FONT> <a name="line.58"></a> |
| <FONT color="green">059</FONT> /**<a name="line.59"></a> |
| <FONT color="green">060</FONT> * Constructor that takes only a type name.<a name="line.60"></a> |
| <FONT color="green">061</FONT> * @param type The type name.<a name="line.61"></a> |
| <FONT color="green">062</FONT> */<a name="line.62"></a> |
| <FONT color="green">063</FONT> public PluginManager(String type) {<a name="line.63"></a> |
| <FONT color="green">064</FONT> this.type = type;<a name="line.64"></a> |
| <FONT color="green">065</FONT> this.clazz = null;<a name="line.65"></a> |
| <FONT color="green">066</FONT> }<a name="line.66"></a> |
| <FONT color="green">067</FONT> <a name="line.67"></a> |
| <FONT color="green">068</FONT> /**<a name="line.68"></a> |
| <FONT color="green">069</FONT> * Constructor that takes a type name and a Class.<a name="line.69"></a> |
| <FONT color="green">070</FONT> * @param type The type that must be matched.<a name="line.70"></a> |
| <FONT color="green">071</FONT> * @param clazz The Class each match must be an instance of.<a name="line.71"></a> |
| <FONT color="green">072</FONT> */<a name="line.72"></a> |
| <FONT color="green">073</FONT> public PluginManager(String type, Class clazz) {<a name="line.73"></a> |
| <FONT color="green">074</FONT> this.type = type;<a name="line.74"></a> |
| <FONT color="green">075</FONT> this.clazz = clazz;<a name="line.75"></a> |
| <FONT color="green">076</FONT> }<a name="line.76"></a> |
| <FONT color="green">077</FONT> <a name="line.77"></a> |
| <FONT color="green">078</FONT> public static void main(String[] args) throws Exception {<a name="line.78"></a> |
| <FONT color="green">079</FONT> if (args == null || args.length < 1) {<a name="line.79"></a> |
| <FONT color="green">080</FONT> System.err.println("A target directory must be specified");<a name="line.80"></a> |
| <FONT color="green">081</FONT> System.exit(-1);<a name="line.81"></a> |
| <FONT color="green">082</FONT> }<a name="line.82"></a> |
| <FONT color="green">083</FONT> rootDir = args[0].endsWith("/") || args[0].endsWith("\\") ? args[0] : args[0] + "/";<a name="line.83"></a> |
| <FONT color="green">084</FONT> <a name="line.84"></a> |
| <FONT color="green">085</FONT> PluginManager manager = new PluginManager("Core");<a name="line.85"></a> |
| <FONT color="green">086</FONT> manager.collectPlugins(false);<a name="line.86"></a> |
| <FONT color="green">087</FONT> encode(pluginTypeMap);<a name="line.87"></a> |
| <FONT color="green">088</FONT> }<a name="line.88"></a> |
| <FONT color="green">089</FONT> <a name="line.89"></a> |
| <FONT color="green">090</FONT> /**<a name="line.90"></a> |
| <FONT color="green">091</FONT> * Adds a package name to be scanned for plugins. Must be invoked prior to plugins being collected.<a name="line.91"></a> |
| <FONT color="green">092</FONT> * @param p The package name.<a name="line.92"></a> |
| <FONT color="green">093</FONT> */<a name="line.93"></a> |
| <FONT color="green">094</FONT> public static void addPackage(String p) {<a name="line.94"></a> |
| <FONT color="green">095</FONT> packages.addIfAbsent(p);<a name="line.95"></a> |
| <FONT color="green">096</FONT> }<a name="line.96"></a> |
| <FONT color="green">097</FONT> <a name="line.97"></a> |
| <FONT color="green">098</FONT> /**<a name="line.98"></a> |
| <FONT color="green">099</FONT> * Returns the type of a specified plugin.<a name="line.99"></a> |
| <FONT color="green">100</FONT> * @param name The name of the plugin.<a name="line.100"></a> |
| <FONT color="green">101</FONT> * @return The plugin's type.<a name="line.101"></a> |
| <FONT color="green">102</FONT> */<a name="line.102"></a> |
| <FONT color="green">103</FONT> public PluginType getPluginType(String name) {<a name="line.103"></a> |
| <FONT color="green">104</FONT> return plugins.get(name.toLowerCase());<a name="line.104"></a> |
| <FONT color="green">105</FONT> }<a name="line.105"></a> |
| <FONT color="green">106</FONT> <a name="line.106"></a> |
| <FONT color="green">107</FONT> /**<a name="line.107"></a> |
| <FONT color="green">108</FONT> * Returns all the matching plugins.<a name="line.108"></a> |
| <FONT color="green">109</FONT> * @return A Map containing the name of the plugin and its type.<a name="line.109"></a> |
| <FONT color="green">110</FONT> */<a name="line.110"></a> |
| <FONT color="green">111</FONT> public Map<String, PluginType> getPlugins() {<a name="line.111"></a> |
| <FONT color="green">112</FONT> return plugins;<a name="line.112"></a> |
| <FONT color="green">113</FONT> }<a name="line.113"></a> |
| <FONT color="green">114</FONT> <a name="line.114"></a> |
| <FONT color="green">115</FONT> /**<a name="line.115"></a> |
| <FONT color="green">116</FONT> * Locates all the plugins.<a name="line.116"></a> |
| <FONT color="green">117</FONT> */<a name="line.117"></a> |
| <FONT color="green">118</FONT> public void collectPlugins() {<a name="line.118"></a> |
| <FONT color="green">119</FONT> collectPlugins(true);<a name="line.119"></a> |
| <FONT color="green">120</FONT> }<a name="line.120"></a> |
| <FONT color="green">121</FONT> <a name="line.121"></a> |
| <FONT color="green">122</FONT> /**<a name="line.122"></a> |
| <FONT color="green">123</FONT> * Collects plugins, optionally obtaining them from a preload map.<a name="line.123"></a> |
| <FONT color="green">124</FONT> * @param preLoad if true, plugins will be obtained from the preload map.<a name="line.124"></a> |
| <FONT color="green">125</FONT> */<a name="line.125"></a> |
| <FONT color="green">126</FONT> public void collectPlugins(boolean preLoad) {<a name="line.126"></a> |
| <FONT color="green">127</FONT> if (pluginTypeMap.containsKey(type)) {<a name="line.127"></a> |
| <FONT color="green">128</FONT> plugins = pluginTypeMap.get(type);<a name="line.128"></a> |
| <FONT color="green">129</FONT> preLoad = false;<a name="line.129"></a> |
| <FONT color="green">130</FONT> }<a name="line.130"></a> |
| <FONT color="green">131</FONT> long start = System.nanoTime();<a name="line.131"></a> |
| <FONT color="green">132</FONT> ResolverUtil<?> r = new ResolverUtil();<a name="line.132"></a> |
| <FONT color="green">133</FONT> ClassLoader loader = Loader.getClassLoader();<a name="line.133"></a> |
| <FONT color="green">134</FONT> if (loader != null) {<a name="line.134"></a> |
| <FONT color="green">135</FONT> r.setClassLoader(loader);<a name="line.135"></a> |
| <FONT color="green">136</FONT> }<a name="line.136"></a> |
| <FONT color="green">137</FONT> if (preLoad) {<a name="line.137"></a> |
| <FONT color="green">138</FONT> ConcurrentMap<String, ConcurrentMap<String, PluginType>> map = decode(loader);<a name="line.138"></a> |
| <FONT color="green">139</FONT> if (map != null) {<a name="line.139"></a> |
| <FONT color="green">140</FONT> pluginTypeMap = map;<a name="line.140"></a> |
| <FONT color="green">141</FONT> plugins = map.get(type);<a name="line.141"></a> |
| <FONT color="green">142</FONT> } else {<a name="line.142"></a> |
| <FONT color="green">143</FONT> LOGGER.warn("Plugin preloads not available");<a name="line.143"></a> |
| <FONT color="green">144</FONT> }<a name="line.144"></a> |
| <FONT color="green">145</FONT> }<a name="line.145"></a> |
| <FONT color="green">146</FONT> if (plugins.size() == 0) {<a name="line.146"></a> |
| <FONT color="green">147</FONT> packages.add(LOG4J_PACKAGES);<a name="line.147"></a> |
| <FONT color="green">148</FONT> }<a name="line.148"></a> |
| <FONT color="green">149</FONT> ResolverUtil.Test test = new PluginTest(clazz);<a name="line.149"></a> |
| <FONT color="green">150</FONT> for (String pkg : packages) {<a name="line.150"></a> |
| <FONT color="green">151</FONT> r.findInPackage(test, pkg);<a name="line.151"></a> |
| <FONT color="green">152</FONT> }<a name="line.152"></a> |
| <FONT color="green">153</FONT> for (Class<?> item : r.getClasses()) {<a name="line.153"></a> |
| <FONT color="green">154</FONT> Plugin p = item.getAnnotation(Plugin.class);<a name="line.154"></a> |
| <FONT color="green">155</FONT> String pluginType = p.type();<a name="line.155"></a> |
| <FONT color="green">156</FONT> if (!pluginTypeMap.containsKey(pluginType)) {<a name="line.156"></a> |
| <FONT color="green">157</FONT> pluginTypeMap.putIfAbsent(pluginType, new ConcurrentHashMap<String, PluginType>());<a name="line.157"></a> |
| <FONT color="green">158</FONT> }<a name="line.158"></a> |
| <FONT color="green">159</FONT> Map<String, PluginType> map = pluginTypeMap.get(pluginType);<a name="line.159"></a> |
| <FONT color="green">160</FONT> String type = p.elementType().equals(Plugin.EMPTY) ? p.name() : p.elementType();<a name="line.160"></a> |
| <FONT color="green">161</FONT> map.put(p.name().toLowerCase(), new PluginType(item, type, p.printObject(), p.deferChildren()));<a name="line.161"></a> |
| <FONT color="green">162</FONT> }<a name="line.162"></a> |
| <FONT color="green">163</FONT> long elapsed = System.nanoTime() - start;<a name="line.163"></a> |
| <FONT color="green">164</FONT> plugins = pluginTypeMap.get(type);<a name="line.164"></a> |
| <FONT color="green">165</FONT> StringBuilder sb = new StringBuilder("Generated plugins");<a name="line.165"></a> |
| <FONT color="green">166</FONT> sb.append(" in ");<a name="line.166"></a> |
| <FONT color="green">167</FONT> DecimalFormat numFormat = new DecimalFormat("#0");<a name="line.167"></a> |
| <FONT color="green">168</FONT> long seconds = elapsed / NANOS_PER_SECOND;<a name="line.168"></a> |
| <FONT color="green">169</FONT> elapsed %= NANOS_PER_SECOND;<a name="line.169"></a> |
| <FONT color="green">170</FONT> sb.append(numFormat.format(seconds)).append(".");<a name="line.170"></a> |
| <FONT color="green">171</FONT> numFormat = new DecimalFormat("000000000");<a name="line.171"></a> |
| <FONT color="green">172</FONT> sb.append(numFormat.format(elapsed)).append(" seconds");<a name="line.172"></a> |
| <FONT color="green">173</FONT> LOGGER.debug(sb.toString());<a name="line.173"></a> |
| <FONT color="green">174</FONT> }<a name="line.174"></a> |
| <FONT color="green">175</FONT> <a name="line.175"></a> |
| <FONT color="green">176</FONT> private static ConcurrentMap<String, ConcurrentMap<String, PluginType>> decode(ClassLoader loader) {<a name="line.176"></a> |
| <FONT color="green">177</FONT> String resource = PATH + FILENAME;<a name="line.177"></a> |
| <FONT color="green">178</FONT> try {<a name="line.178"></a> |
| <FONT color="green">179</FONT> InputStream is = loader.getResourceAsStream(resource);<a name="line.179"></a> |
| <FONT color="green">180</FONT> BufferedInputStream bis = new BufferedInputStream(is);<a name="line.180"></a> |
| <FONT color="green">181</FONT> DataInputStream dis = new DataInputStream(bis);<a name="line.181"></a> |
| <FONT color="green">182</FONT> int count = dis.readInt();<a name="line.182"></a> |
| <FONT color="green">183</FONT> ConcurrentMap<String, ConcurrentMap<String, PluginType>> map =<a name="line.183"></a> |
| <FONT color="green">184</FONT> new ConcurrentHashMap<String, ConcurrentMap<String, PluginType>>(count);<a name="line.184"></a> |
| <FONT color="green">185</FONT> for (int j = 0; j < count; ++j) {<a name="line.185"></a> |
| <FONT color="green">186</FONT> String type = dis.readUTF();<a name="line.186"></a> |
| <FONT color="green">187</FONT> int entries = dis.readInt();<a name="line.187"></a> |
| <FONT color="green">188</FONT> ConcurrentMap<String, PluginType> types = new ConcurrentHashMap<String, PluginType>(count);<a name="line.188"></a> |
| <FONT color="green">189</FONT> for (int i = 0; i < entries; ++i) {<a name="line.189"></a> |
| <FONT color="green">190</FONT> String key = dis.readUTF();<a name="line.190"></a> |
| <FONT color="green">191</FONT> String className = dis.readUTF();<a name="line.191"></a> |
| <FONT color="green">192</FONT> String name = dis.readUTF();<a name="line.192"></a> |
| <FONT color="green">193</FONT> boolean printable = dis.readBoolean();<a name="line.193"></a> |
| <FONT color="green">194</FONT> boolean defer = dis.readBoolean();<a name="line.194"></a> |
| <FONT color="green">195</FONT> Class clazz = Class.forName(className);<a name="line.195"></a> |
| <FONT color="green">196</FONT> types.put(key, new PluginType(clazz, name, printable, defer));<a name="line.196"></a> |
| <FONT color="green">197</FONT> }<a name="line.197"></a> |
| <FONT color="green">198</FONT> map.putIfAbsent(type, types);<a name="line.198"></a> |
| <FONT color="green">199</FONT> }<a name="line.199"></a> |
| <FONT color="green">200</FONT> dis.close();<a name="line.200"></a> |
| <FONT color="green">201</FONT> return map;<a name="line.201"></a> |
| <FONT color="green">202</FONT> } catch (Exception ex) {<a name="line.202"></a> |
| <FONT color="green">203</FONT> LOGGER.warn("Unable to preload plugins", ex);<a name="line.203"></a> |
| <FONT color="green">204</FONT> return null;<a name="line.204"></a> |
| <FONT color="green">205</FONT> }<a name="line.205"></a> |
| <FONT color="green">206</FONT> }<a name="line.206"></a> |
| <FONT color="green">207</FONT> <a name="line.207"></a> |
| <FONT color="green">208</FONT> private static void encode(ConcurrentMap<String, ConcurrentMap<String, PluginType>> map) {<a name="line.208"></a> |
| <FONT color="green">209</FONT> String fileName = rootDir + PATH + FILENAME;<a name="line.209"></a> |
| <FONT color="green">210</FONT> try {<a name="line.210"></a> |
| <FONT color="green">211</FONT> FileOutputStream fos = new FileOutputStream(fileName);<a name="line.211"></a> |
| <FONT color="green">212</FONT> BufferedOutputStream bos = new BufferedOutputStream(fos);<a name="line.212"></a> |
| <FONT color="green">213</FONT> DataOutputStream dos = new DataOutputStream(bos);<a name="line.213"></a> |
| <FONT color="green">214</FONT> dos.writeInt(map.size());<a name="line.214"></a> |
| <FONT color="green">215</FONT> for (Map.Entry<String, ConcurrentMap<String, PluginType>> outer : map.entrySet()) {<a name="line.215"></a> |
| <FONT color="green">216</FONT> dos.writeUTF(outer.getKey());<a name="line.216"></a> |
| <FONT color="green">217</FONT> dos.writeInt(outer.getValue().size());<a name="line.217"></a> |
| <FONT color="green">218</FONT> for (Map.Entry<String, PluginType> entry : outer.getValue().entrySet()) {<a name="line.218"></a> |
| <FONT color="green">219</FONT> dos.writeUTF(entry.getKey());<a name="line.219"></a> |
| <FONT color="green">220</FONT> PluginType pt = entry.getValue();<a name="line.220"></a> |
| <FONT color="green">221</FONT> dos.writeUTF(pt.getPluginClass().getName());<a name="line.221"></a> |
| <FONT color="green">222</FONT> dos.writeUTF(pt.getElementName());<a name="line.222"></a> |
| <FONT color="green">223</FONT> dos.writeBoolean(pt.isObjectPrintable());<a name="line.223"></a> |
| <FONT color="green">224</FONT> dos.writeBoolean(pt.isDeferChildren());<a name="line.224"></a> |
| <FONT color="green">225</FONT> }<a name="line.225"></a> |
| <FONT color="green">226</FONT> }<a name="line.226"></a> |
| <FONT color="green">227</FONT> dos.close();<a name="line.227"></a> |
| <FONT color="green">228</FONT> } catch (Exception ex) {<a name="line.228"></a> |
| <FONT color="green">229</FONT> ex.printStackTrace();<a name="line.229"></a> |
| <FONT color="green">230</FONT> }<a name="line.230"></a> |
| <FONT color="green">231</FONT> }<a name="line.231"></a> |
| <FONT color="green">232</FONT> <a name="line.232"></a> |
| <FONT color="green">233</FONT> /**<a name="line.233"></a> |
| <FONT color="green">234</FONT> * A Test that checks to see if each class is annotated with a specific annotation. If it<a name="line.234"></a> |
| <FONT color="green">235</FONT> * is, then the test returns true, otherwise false.<a name="line.235"></a> |
| <FONT color="green">236</FONT> */<a name="line.236"></a> |
| <FONT color="green">237</FONT> public static class PluginTest extends ResolverUtil.ClassTest {<a name="line.237"></a> |
| <FONT color="green">238</FONT> private final Class isA;<a name="line.238"></a> |
| <FONT color="green">239</FONT> <a name="line.239"></a> |
| <FONT color="green">240</FONT> /**<a name="line.240"></a> |
| <FONT color="green">241</FONT> * Constructs an AnnotatedWith test for the specified annotation type.<a name="line.241"></a> |
| <FONT color="green">242</FONT> * @param isA The class to compare against.<a name="line.242"></a> |
| <FONT color="green">243</FONT> */<a name="line.243"></a> |
| <FONT color="green">244</FONT> public PluginTest(Class isA) {<a name="line.244"></a> |
| <FONT color="green">245</FONT> this.isA = isA;<a name="line.245"></a> |
| <FONT color="green">246</FONT> }<a name="line.246"></a> |
| <FONT color="green">247</FONT> <a name="line.247"></a> |
| <FONT color="green">248</FONT> /**<a name="line.248"></a> |
| <FONT color="green">249</FONT> * Returns true if the type is annotated with the class provided to the constructor.<a name="line.249"></a> |
| <FONT color="green">250</FONT> * @param type The type to check for.<a name="line.250"></a> |
| <FONT color="green">251</FONT> * @return true if the Class is of the specified type.<a name="line.251"></a> |
| <FONT color="green">252</FONT> */<a name="line.252"></a> |
| <FONT color="green">253</FONT> public boolean matches(Class type) {<a name="line.253"></a> |
| <FONT color="green">254</FONT> return type != null && type.isAnnotationPresent(Plugin.class) &&<a name="line.254"></a> |
| <FONT color="green">255</FONT> (isA == null || isA.isAssignableFrom(type));<a name="line.255"></a> |
| <FONT color="green">256</FONT> }<a name="line.256"></a> |
| <FONT color="green">257</FONT> <a name="line.257"></a> |
| <FONT color="green">258</FONT> @Override<a name="line.258"></a> |
| <FONT color="green">259</FONT> public String toString() {<a name="line.259"></a> |
| <FONT color="green">260</FONT> StringBuilder msg = new StringBuilder("annotated with @" + Plugin.class.getSimpleName());<a name="line.260"></a> |
| <FONT color="green">261</FONT> if (isA != null) {<a name="line.261"></a> |
| <FONT color="green">262</FONT> msg.append(" is assignable to " + isA.getSimpleName());<a name="line.262"></a> |
| <FONT color="green">263</FONT> }<a name="line.263"></a> |
| <FONT color="green">264</FONT> return msg.toString();<a name="line.264"></a> |
| <FONT color="green">265</FONT> }<a name="line.265"></a> |
| <FONT color="green">266</FONT> }<a name="line.266"></a> |
| <FONT color="green">267</FONT> <a name="line.267"></a> |
| <FONT color="green">268</FONT> }<a name="line.268"></a> |
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| </PRE> |
| </BODY> |
| </HTML> |
