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