| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
| <html lang="en"> |
| <head> |
| <title>Source code</title> |
| <link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style"> |
| </head> |
| <body> |
| <div class="sourceContainer"> |
| <pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import static org.junit.Assert.assertArrayEquals;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.junit.Assert.assertEquals;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import static org.junit.Assert.assertFalse;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import static org.junit.Assert.assertTrue;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span><a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.io.File;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.io.FileInputStream;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.io.FileOutputStream;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.io.IOException;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.io.PrintStream;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.net.URL;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import java.net.URLClassLoader;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import java.util.HashSet;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import java.util.Set;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import java.util.concurrent.atomic.AtomicLong;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import java.util.jar.Attributes;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import java.util.jar.JarEntry;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import java.util.jar.JarOutputStream;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import java.util.jar.Manifest;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import javax.tools.JavaCompiler;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import javax.tools.ToolProvider;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.testclassification.MiscTests;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.testclassification.SmallTests;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.junit.AfterClass;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.junit.BeforeClass;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.junit.ClassRule;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.junit.Rule;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.junit.Test;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.junit.experimental.categories.Category;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.junit.rules.TestName;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.slf4j.Logger;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.slf4j.LoggerFactory;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span><a name="line.52"></a> |
| <span class="sourceLineNo">053</span>@Category({MiscTests.class, SmallTests.class})<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>public class TestClassFinder {<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> @ClassRule<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> HBaseClassTestRule.forClass(TestClassFinder.class);<a name="line.57"></a> |
| <span class="sourceLineNo">058</span><a name="line.58"></a> |
| <span class="sourceLineNo">059</span> private static final Logger LOG = LoggerFactory.getLogger(TestClassFinder.class);<a name="line.59"></a> |
| <span class="sourceLineNo">060</span><a name="line.60"></a> |
| <span class="sourceLineNo">061</span> @Rule public TestName name = new TestName();<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> private static final HBaseCommonTestingUtility testUtil = new HBaseCommonTestingUtility();<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> private static final String BASEPKG = "tfcpkg";<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> private static final String PREFIX = "Prefix";<a name="line.64"></a> |
| <span class="sourceLineNo">065</span><a name="line.65"></a> |
| <span class="sourceLineNo">066</span> // Use unique jar/class/package names in each test case with the help<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> // of these global counters; we are mucking with ClassLoader in this test<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> // and we don't want individual test cases to conflict via it.<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> private static AtomicLong testCounter = new AtomicLong(0);<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> private static AtomicLong jarCounter = new AtomicLong(0);<a name="line.70"></a> |
| <span class="sourceLineNo">071</span><a name="line.71"></a> |
| <span class="sourceLineNo">072</span> private static String basePath = null;<a name="line.72"></a> |
| <span class="sourceLineNo">073</span><a name="line.73"></a> |
| <span class="sourceLineNo">074</span> private static CustomClassloader classLoader;<a name="line.74"></a> |
| <span class="sourceLineNo">075</span><a name="line.75"></a> |
| <span class="sourceLineNo">076</span> @BeforeClass<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> public static void createTestDir() throws IOException {<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> basePath = testUtil.getDataTestDir(TestClassFinder.class.getSimpleName()).toString();<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> if (!basePath.endsWith("/")) {<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> basePath += "/";<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> }<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> // Make sure we get a brand new directory.<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> File testDir = new File(basePath);<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> if (testDir.exists()) {<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> deleteTestDir();<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> }<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> assertTrue(testDir.mkdirs());<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> LOG.info("Using new, clean directory=" + testDir);<a name="line.88"></a> |
| <span class="sourceLineNo">089</span><a name="line.89"></a> |
| <span class="sourceLineNo">090</span> classLoader = new CustomClassloader(new URL[0], ClassLoader.getSystemClassLoader());<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> }<a name="line.91"></a> |
| <span class="sourceLineNo">092</span><a name="line.92"></a> |
| <span class="sourceLineNo">093</span> @AfterClass<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> public static void deleteTestDir() {<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> testUtil.cleanupTestDir(TestClassFinder.class.getSimpleName());<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> }<a name="line.96"></a> |
| <span class="sourceLineNo">097</span><a name="line.97"></a> |
| <span class="sourceLineNo">098</span> @Test<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> public void testClassFinderCanFindClassesInJars() throws Exception {<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> long counter = testCounter.incrementAndGet();<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> FileAndPath c1 = compileTestClass(counter, "", "c1");<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> FileAndPath c2 = compileTestClass(counter, ".nested", "c2");<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> FileAndPath c3 = compileTestClass(counter, "", "c3");<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> packageAndLoadJar(c1, c3);<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> packageAndLoadJar(c2);<a name="line.105"></a> |
| <span class="sourceLineNo">106</span><a name="line.106"></a> |
| <span class="sourceLineNo">107</span> ClassFinder allClassesFinder = new ClassFinder(classLoader);<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> Set<Class<?>> allClasses = allClassesFinder.findClasses(<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> makePackageName("", counter), false);<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> assertEquals(3, allClasses.size());<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> }<a name="line.111"></a> |
| <span class="sourceLineNo">112</span><a name="line.112"></a> |
| <span class="sourceLineNo">113</span> @Test<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> public void testClassFinderHandlesConflicts() throws Exception {<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> long counter = testCounter.incrementAndGet();<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> FileAndPath c1 = compileTestClass(counter, "", "c1");<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> FileAndPath c2 = compileTestClass(counter, "", "c2");<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> packageAndLoadJar(c1, c2);<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> packageAndLoadJar(c1);<a name="line.119"></a> |
| <span class="sourceLineNo">120</span><a name="line.120"></a> |
| <span class="sourceLineNo">121</span> ClassFinder allClassesFinder = new ClassFinder(classLoader);<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> Set<Class<?>> allClasses = allClassesFinder.findClasses(<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> makePackageName("", counter), false);<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> assertEquals(2, allClasses.size());<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> }<a name="line.125"></a> |
| <span class="sourceLineNo">126</span><a name="line.126"></a> |
| <span class="sourceLineNo">127</span> @Test<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> public void testClassFinderHandlesNestedPackages() throws Exception {<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> final String NESTED = ".nested";<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> final String CLASSNAME1 = name.getMethodName() + "1";<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> final String CLASSNAME2 = name.getMethodName() + "2";<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> long counter = testCounter.incrementAndGet();<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> FileAndPath c1 = compileTestClass(counter, "", "c1");<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> FileAndPath c2 = compileTestClass(counter, NESTED, CLASSNAME1);<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> FileAndPath c3 = compileTestClass(counter, NESTED, CLASSNAME2);<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> packageAndLoadJar(c1, c2);<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> packageAndLoadJar(c3);<a name="line.137"></a> |
| <span class="sourceLineNo">138</span><a name="line.138"></a> |
| <span class="sourceLineNo">139</span> ClassFinder allClassesFinder = new ClassFinder(classLoader);<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> Set<Class<?>> nestedClasses = allClassesFinder.findClasses(<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> makePackageName(NESTED, counter), false);<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> assertEquals(2, nestedClasses.size());<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> Class<?> nestedClass1 = makeClass(NESTED, CLASSNAME1, counter);<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> assertTrue(nestedClasses.contains(nestedClass1));<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> Class<?> nestedClass2 = makeClass(NESTED, CLASSNAME2, counter);<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> assertTrue(nestedClasses.contains(nestedClass2));<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> }<a name="line.147"></a> |
| <span class="sourceLineNo">148</span><a name="line.148"></a> |
| <span class="sourceLineNo">149</span> @Test<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> public void testClassFinderFiltersByNameInJar() throws Exception {<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> final long counter = testCounter.incrementAndGet();<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> final String classNamePrefix = name.getMethodName();<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> LOG.info("Created jar " + createAndLoadJar("", classNamePrefix, counter));<a name="line.153"></a> |
| <span class="sourceLineNo">154</span><a name="line.154"></a> |
| <span class="sourceLineNo">155</span> ClassFinder.FileNameFilter notExcNameFilter =<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> (fileName, absFilePath) -> !fileName.startsWith(PREFIX);<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> ClassFinder incClassesFinder = new ClassFinder(null, notExcNameFilter, null, classLoader);<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> Set<Class<?>> incClasses = incClassesFinder.findClasses(<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> makePackageName("", counter), false);<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> assertEquals(1, incClasses.size());<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> Class<?> incClass = makeClass("", classNamePrefix, counter);<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> assertTrue(incClasses.contains(incClass));<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> }<a name="line.163"></a> |
| <span class="sourceLineNo">164</span><a name="line.164"></a> |
| <span class="sourceLineNo">165</span> @Test<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> public void testClassFinderFiltersByClassInJar() throws Exception {<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> final long counter = testCounter.incrementAndGet();<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> final String classNamePrefix = name.getMethodName();<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> LOG.info("Created jar " + createAndLoadJar("", classNamePrefix, counter));<a name="line.169"></a> |
| <span class="sourceLineNo">170</span><a name="line.170"></a> |
| <span class="sourceLineNo">171</span> final ClassFinder.ClassFilter notExcClassFilter = c -> !c.getSimpleName().startsWith(PREFIX);<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> ClassFinder incClassesFinder = new ClassFinder(null, null, notExcClassFilter, classLoader);<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> Set<Class<?>> incClasses = incClassesFinder.findClasses(<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> makePackageName("", counter), false);<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> assertEquals(1, incClasses.size());<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> Class<?> incClass = makeClass("", classNamePrefix, counter);<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> assertTrue(incClasses.contains(incClass));<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> }<a name="line.178"></a> |
| <span class="sourceLineNo">179</span><a name="line.179"></a> |
| <span class="sourceLineNo">180</span> private static String createAndLoadJar(final String packageNameSuffix,<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> final String classNamePrefix, final long counter) throws Exception {<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> FileAndPath c1 = compileTestClass(counter, packageNameSuffix, classNamePrefix);<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> FileAndPath c2 = compileTestClass(counter, packageNameSuffix, PREFIX + "1");<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> FileAndPath c3 = compileTestClass(counter, packageNameSuffix, PREFIX + classNamePrefix + "2");<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> return packageAndLoadJar(c1, c2, c3);<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> }<a name="line.186"></a> |
| <span class="sourceLineNo">187</span><a name="line.187"></a> |
| <span class="sourceLineNo">188</span> @Test<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> public void testClassFinderFiltersByPathInJar() throws Exception {<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> final String CLASSNAME = name.getMethodName();<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> long counter = testCounter.incrementAndGet();<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> FileAndPath c1 = compileTestClass(counter, "", CLASSNAME);<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> FileAndPath c2 = compileTestClass(counter, "", "c2");<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> packageAndLoadJar(c1);<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> final String excludedJar = packageAndLoadJar(c2);<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> /* ResourcePathFilter will pass us the resourcePath as a path of a<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> * URL from the classloader. For Windows, the ablosute path and the<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> * one from the URL have different file separators.<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> */<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> final String excludedJarResource =<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> new File(excludedJar).toURI().getRawSchemeSpecificPart();<a name="line.201"></a> |
| <span class="sourceLineNo">202</span><a name="line.202"></a> |
| <span class="sourceLineNo">203</span> final ClassFinder.ResourcePathFilter notExcJarFilter =<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> (resourcePath, isJar) -> !isJar || !resourcePath.equals(excludedJarResource);<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> ClassFinder incClassesFinder = new ClassFinder(notExcJarFilter, null, null, classLoader);<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> Set<Class<?>> incClasses = incClassesFinder.findClasses(<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> makePackageName("", counter), false);<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> assertEquals(1, incClasses.size());<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> Class<?> incClass = makeClass("", CLASSNAME, counter);<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> assertTrue(incClasses.contains(incClass));<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> }<a name="line.211"></a> |
| <span class="sourceLineNo">212</span><a name="line.212"></a> |
| <span class="sourceLineNo">213</span> @Test<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> public void testClassFinderCanFindClassesInDirs() throws Exception {<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> // Make some classes for us to find. Class naming and packaging is kinda cryptic.<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> // TODO: Fix.<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> final long counter = testCounter.incrementAndGet();<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> final String classNamePrefix = name.getMethodName();<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> String pkgNameSuffix = name.getMethodName();<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> LOG.info("Created jar " + createAndLoadJar(pkgNameSuffix, classNamePrefix, counter));<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> ClassFinder allClassesFinder = new ClassFinder(classLoader);<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> String pkgName = makePackageName(pkgNameSuffix, counter);<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> Set<Class<?>> allClasses = allClassesFinder.findClasses(pkgName, false);<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> assertTrue("Classes in " + pkgName, allClasses.size() > 0);<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> String classNameToFind = classNamePrefix + counter;<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> assertTrue(contains(allClasses, classNameToFind));<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> }<a name="line.227"></a> |
| <span class="sourceLineNo">228</span><a name="line.228"></a> |
| <span class="sourceLineNo">229</span> private static boolean contains(final Set<Class<?>> classes, final String simpleName) {<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> for (Class<?> c: classes) {<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> if (c.getSimpleName().equals(simpleName)) {<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> return true;<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> }<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> }<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> return false;<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> }<a name="line.236"></a> |
| <span class="sourceLineNo">237</span><a name="line.237"></a> |
| <span class="sourceLineNo">238</span> @Test<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> public void testClassFinderFiltersByNameInDirs() throws Exception {<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> // Make some classes for us to find. Class naming and packaging is kinda cryptic.<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> // TODO: Fix.<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> final long counter = testCounter.incrementAndGet();<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> final String classNamePrefix = name.getMethodName();<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> String pkgNameSuffix = name.getMethodName();<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> LOG.info("Created jar " + createAndLoadJar(pkgNameSuffix, classNamePrefix, counter));<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> final String classNameToFilterOut = classNamePrefix + counter;<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> final ClassFinder.FileNameFilter notThisFilter =<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> (fileName, absFilePath) -> !fileName.equals(classNameToFilterOut + ".class");<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> String pkgName = makePackageName(pkgNameSuffix, counter);<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> ClassFinder allClassesFinder = new ClassFinder(classLoader);<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> Set<Class<?>> allClasses = allClassesFinder.findClasses(pkgName, false);<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> assertTrue("Classes in " + pkgName, allClasses.size() > 0);<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> ClassFinder notThisClassFinder = new ClassFinder(null, notThisFilter, null, classLoader);<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> Set<Class<?>> notAllClasses = notThisClassFinder.findClasses(pkgName, false);<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> assertFalse(contains(notAllClasses, classNameToFilterOut));<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> assertEquals(allClasses.size() - 1, notAllClasses.size());<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> }<a name="line.257"></a> |
| <span class="sourceLineNo">258</span><a name="line.258"></a> |
| <span class="sourceLineNo">259</span> @Test<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> public void testClassFinderFiltersByClassInDirs() throws Exception {<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> // Make some classes for us to find. Class naming and packaging is kinda cryptic.<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> // TODO: Fix.<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> final long counter = testCounter.incrementAndGet();<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> final String classNamePrefix = name.getMethodName();<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> String pkgNameSuffix = name.getMethodName();<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> LOG.info("Created jar " + createAndLoadJar(pkgNameSuffix, classNamePrefix, counter));<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> final Class<?> clazz = makeClass(pkgNameSuffix, classNamePrefix, counter);<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> final ClassFinder.ClassFilter notThisFilter = c -> c != clazz;<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> String pkgName = makePackageName(pkgNameSuffix, counter);<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> ClassFinder allClassesFinder = new ClassFinder(classLoader);<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> Set<Class<?>> allClasses = allClassesFinder.findClasses(pkgName, false);<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> assertTrue("Classes in " + pkgName, allClasses.size() > 0);<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> ClassFinder notThisClassFinder = new ClassFinder(null, null, notThisFilter, classLoader);<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> Set<Class<?>> notAllClasses = notThisClassFinder.findClasses(pkgName, false);<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> assertFalse(contains(notAllClasses, clazz.getSimpleName()));<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> assertEquals(allClasses.size() - 1, notAllClasses.size());<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> }<a name="line.277"></a> |
| <span class="sourceLineNo">278</span><a name="line.278"></a> |
| <span class="sourceLineNo">279</span> @Test<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> public void testClassFinderFiltersByPathInDirs() throws Exception {<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> final String hardcodedThisSubdir = "hbase-common";<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> final ClassFinder.ResourcePathFilter notExcJarFilter =<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> (resourcePath, isJar) -> isJar || !resourcePath.contains(hardcodedThisSubdir);<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> String thisPackage = this.getClass().getPackage().getName();<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> ClassFinder notThisClassFinder = new ClassFinder(notExcJarFilter, null, null, classLoader);<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> Set<Class<?>> notAllClasses = notThisClassFinder.findClasses(thisPackage, false);<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> assertFalse(notAllClasses.contains(this.getClass()));<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> }<a name="line.288"></a> |
| <span class="sourceLineNo">289</span><a name="line.289"></a> |
| <span class="sourceLineNo">290</span> @Test<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> public void testClassFinderDefaultsToOwnPackage() throws Exception {<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> // Correct handling of nested packages is tested elsewhere, so here we just assume<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> // pkgClasses is the correct answer that we don't have to check.<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> ClassFinder allClassesFinder = new ClassFinder(classLoader);<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> Set<Class<?>> pkgClasses = allClassesFinder.findClasses(<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> ClassFinder.class.getPackage().getName(), false);<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> Set<Class<?>> defaultClasses = allClassesFinder.findClasses(false);<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> assertArrayEquals(pkgClasses.toArray(), defaultClasses.toArray());<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> }<a name="line.299"></a> |
| <span class="sourceLineNo">300</span><a name="line.300"></a> |
| <span class="sourceLineNo">301</span> private static class FileAndPath {<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> String path;<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> File file;<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> public FileAndPath(String path, File file) {<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> this.file = file;<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> this.path = path;<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> }<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> }<a name="line.308"></a> |
| <span class="sourceLineNo">309</span><a name="line.309"></a> |
| <span class="sourceLineNo">310</span> private static Class<?> makeClass(String nestedPkgSuffix,<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> String className, long counter) throws ClassNotFoundException {<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> String name = makePackageName(nestedPkgSuffix, counter) + "." + className + counter;<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> return Class.forName(name, true, classLoader);<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> }<a name="line.314"></a> |
| <span class="sourceLineNo">315</span><a name="line.315"></a> |
| <span class="sourceLineNo">316</span> private static String makePackageName(String nestedSuffix, long counter) {<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> return BASEPKG + counter + nestedSuffix;<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> }<a name="line.318"></a> |
| <span class="sourceLineNo">319</span><a name="line.319"></a> |
| <span class="sourceLineNo">320</span> /**<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> * Compiles the test class with bogus code into a .class file.<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> * Unfortunately it's very tedious.<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> * @param counter Unique test counter.<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> * @param packageNameSuffix Package name suffix (e.g. ".suffix") for nesting, or "".<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> * @return The resulting .class file and the location in jar it is supposed to go to.<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> */<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> private static FileAndPath compileTestClass(long counter,<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> String packageNameSuffix, String classNamePrefix) throws Exception {<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> classNamePrefix = classNamePrefix + counter;<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> String packageName = makePackageName(packageNameSuffix, counter);<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> String javaPath = basePath + classNamePrefix + ".java";<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> String classPath = basePath + classNamePrefix + ".class";<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> PrintStream source = new PrintStream(javaPath);<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> source.println("package " + packageName + ";");<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> source.println("public class " + classNamePrefix<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> + " { public static void main(String[] args) { } };");<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> source.close();<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> JavaCompiler jc = ToolProvider.getSystemJavaCompiler();<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> int result = jc.run(null, null, null, javaPath);<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> assertEquals(0, result);<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> File classFile = new File(classPath);<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> assertTrue(classFile.exists());<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> return new FileAndPath(packageName.replace('.', '/') + '/', classFile);<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> }<a name="line.344"></a> |
| <span class="sourceLineNo">345</span><a name="line.345"></a> |
| <span class="sourceLineNo">346</span> /**<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> * Makes a jar out of some class files. Unfortunately it's very tedious.<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> * @param filesInJar Files created via compileTestClass.<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> * @return path to the resulting jar file.<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> */<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> private static String packageAndLoadJar(FileAndPath... filesInJar) throws Exception {<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> // First, write the bogus jar file.<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> String path = basePath + "jar" + jarCounter.incrementAndGet() + ".jar";<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> Manifest manifest = new Manifest();<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> manifest.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, "1.0");<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> FileOutputStream fos = new FileOutputStream(path);<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> JarOutputStream jarOutputStream = new JarOutputStream(fos, manifest);<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> // Directory entries for all packages have to be added explicitly for<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> // resources to be findable via ClassLoader. Directory entries must end<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> // with "/"; the initial one is expected to, also.<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> Set<String> pathsInJar = new HashSet<>();<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> for (FileAndPath fileAndPath : filesInJar) {<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> String pathToAdd = fileAndPath.path;<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> while (pathsInJar.add(pathToAdd)) {<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> int ix = pathToAdd.lastIndexOf('/', pathToAdd.length() - 2);<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> if (ix < 0) {<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> break;<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> }<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> pathToAdd = pathToAdd.substring(0, ix);<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> }<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> }<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> for (String pathInJar : pathsInJar) {<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> jarOutputStream.putNextEntry(new JarEntry(pathInJar));<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> jarOutputStream.closeEntry();<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> }<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> for (FileAndPath fileAndPath : filesInJar) {<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> File file = fileAndPath.file;<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> jarOutputStream.putNextEntry(<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> new JarEntry(fileAndPath.path + file.getName()));<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> byte[] allBytes = new byte[(int)file.length()];<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> FileInputStream fis = new FileInputStream(file);<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> fis.read(allBytes);<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> fis.close();<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> jarOutputStream.write(allBytes);<a name="line.384"></a> |
| <span class="sourceLineNo">385</span> jarOutputStream.closeEntry();<a name="line.385"></a> |
| <span class="sourceLineNo">386</span> }<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> jarOutputStream.close();<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> fos.close();<a name="line.388"></a> |
| <span class="sourceLineNo">389</span><a name="line.389"></a> |
| <span class="sourceLineNo">390</span> // Add the file to classpath.<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> File jarFile = new File(path);<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> assertTrue(jarFile.exists());<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> classLoader.addURL(jarFile.toURI().toURL());<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> return jarFile.getAbsolutePath();<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> }<a name="line.395"></a> |
| <span class="sourceLineNo">396</span><a name="line.396"></a> |
| <span class="sourceLineNo">397</span> // Java 11 workaround - Custom class loader to expose addUrl method of URLClassLoader<a name="line.397"></a> |
| <span class="sourceLineNo">398</span> private static class CustomClassloader extends URLClassLoader {<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> public CustomClassloader(URL[] urls, ClassLoader parentLoader) {<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> super(urls, parentLoader);<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> }<a name="line.401"></a> |
| <span class="sourceLineNo">402</span><a name="line.402"></a> |
| <span class="sourceLineNo">403</span> public void addURL(URL url) {<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> super.addURL(url);<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> }<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> }<a name="line.406"></a> |
| <span class="sourceLineNo">407</span>}<a name="line.407"></a> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </body> |
| </html> |
