| /* |
| * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import javax.naming.Context; |
| import java.io.*; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.*; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.function.Function; |
| import java.util.stream.Collectors; |
| import java.util.stream.Stream; |
| |
| import static java.lang.String.format; |
| import static java.util.Arrays.asList; |
| import static java.util.Collections.singleton; |
| import static java.util.Collections.singletonMap; |
| |
| /* |
| * @test |
| * @bug 8044627 |
| * @summary Examines different ways JNDI providers can hook up themselves and |
| * become available. Each case mimics the most straightforward way of |
| * executing scenarios. |
| */ |
| public class InitialContextTest { |
| |
| public static void main(String[] args) throws Throwable { |
| unknownInitialContextFactory(); |
| initialContextFactoryInAJar(); |
| initialContextFactoryAsService(); |
| } |
| |
| private static void unknownInitialContextFactory() throws Throwable { |
| |
| // This is a parameter of this test case, it should work for any value |
| // of it, provided a class with this FQN is not available in a runtime. |
| // So pick any name you like. |
| String factoryClassFqn = |
| "net.java.openjdk.test.UnknownInitialContextFactory"; |
| |
| Path tmp = Files.createDirectory(Paths.get("InitialContextTest-1")); |
| |
| Path src = templatesHome().resolve("test.template"); |
| Path dst = tmp.resolve("Test.java"); |
| Files.copy(src, dst); |
| |
| Path build = Files.createDirectory(tmp.resolve("build")); |
| |
| javac(build, dst); |
| |
| Map<String, String> props |
| = singletonMap(Context.INITIAL_CONTEXT_FACTORY, factoryClassFqn); |
| |
| Result r = java(props, singleton(build), "Test"); |
| |
| if (r.exitValue == 0 || !r.output.startsWith( |
| stackTraceStringForClassNotFound(factoryClassFqn))) { |
| throw new RuntimeException( |
| "Expected a different kind of failure: " + r.output); |
| } |
| } |
| |
| private static String stackTraceStringForClassNotFound(String fqn) { |
| return String.format( |
| "Exception in thread \"main\" javax.naming.NoInitialContextException: " |
| + "Cannot instantiate class: %s " |
| + "[Root exception is java.lang.ClassNotFoundException: %s]", |
| fqn, fqn); |
| } |
| |
| private static void initialContextFactoryInAJar() throws Throwable { |
| |
| String factoryClassFqn = |
| "net.java.openjdk.test.DummyInitialContextFactory"; |
| |
| Path tmp = Files.createDirectory(Paths.get("InitialContextTest-2")); |
| |
| Path src = templatesHome().resolve("test.template"); |
| Path dst = tmp.resolve("Test.java"); |
| Files.copy(src, dst); |
| |
| Path dst1 = createFactoryFrom(templatesHome().resolve("factory.template"), |
| factoryClassFqn, tmp); |
| |
| Path build = Files.createDirectory(tmp.resolve("build")); |
| |
| javac(build, dst); |
| Path explodedJar = Files.createDirectory(tmp.resolve("exploded-jar")); |
| javac(explodedJar, dst1); |
| jar(tmp.resolve("test.jar"), explodedJar); |
| |
| Files.copy(tmp.resolve("test.jar"), build.resolve("test.jar")); |
| |
| Map<String, String> props |
| = singletonMap(Context.INITIAL_CONTEXT_FACTORY, factoryClassFqn); |
| |
| Result r = java(props, asList(build.resolve("test.jar"), build), "Test"); |
| |
| if (r.exitValue != 0 || !r.output.isEmpty()) |
| throw new RuntimeException(r.output); |
| } |
| |
| |
| private static Path createFactoryFrom(Path srcTemplate, |
| String factoryFqn, |
| Path dstFolder) throws IOException { |
| |
| String factorySimpleName, packageName; |
| int i = factoryFqn.lastIndexOf('.'); |
| if (i < 0) { |
| packageName = ""; |
| factorySimpleName = factoryFqn; |
| } else { |
| packageName = factoryFqn.substring(0, i); |
| factorySimpleName = factoryFqn.substring(i + 1); |
| } |
| |
| Path result = dstFolder.resolve(factorySimpleName + ".java"); |
| File dst = result.toFile(); |
| File src = srcTemplate.toFile(); |
| try (BufferedReader r = new BufferedReader(new FileReader(src)); |
| BufferedWriter w = new BufferedWriter(new FileWriter(dst))) { |
| |
| List<String> lines = processTemplate(packageName, factorySimpleName, |
| r.lines()).collect(Collectors.toList()); |
| |
| Iterator<String> it = lines.iterator(); |
| if (it.hasNext()) |
| w.write(it.next()); |
| while (it.hasNext()) { |
| w.newLine(); |
| w.write(it.next()); |
| } |
| } |
| return result; |
| } |
| |
| private static Stream<String> processTemplate(String packageName, |
| String factorySimpleName, |
| Stream<String> lines) { |
| Function<String, String> pckg; |
| |
| if (packageName.isEmpty()) { |
| pckg = s -> s.contains("$package") ? "" : s; |
| } else { |
| pckg = s -> s.replaceAll("\\$package", packageName); |
| } |
| |
| Function<String, String> factory |
| = s -> s.replaceAll("\\$factoryName", factorySimpleName); |
| |
| return lines.map(pckg).map(factory); |
| } |
| |
| private static void initialContextFactoryAsService() throws Throwable { |
| |
| String factoryClassFqn = |
| "net.java.openjdk.test.BrokenInitialContextFactory"; |
| |
| Path tmp = Files.createDirectory(Paths.get("InitialContextTest-3")); |
| |
| Path src = templatesHome().resolve("test.template"); |
| Path dst = tmp.resolve("Test.java"); |
| Files.copy(src, dst); |
| |
| Path dst1 = createFactoryFrom(templatesHome().resolve("broken_factory.template"), |
| factoryClassFqn, tmp); |
| |
| Path build = Files.createDirectory(tmp.resolve("build")); |
| |
| javac(build, dst); |
| |
| Path explodedJar = Files.createDirectory(tmp.resolve("exploded-jar")); |
| Path services = Files.createDirectories(explodedJar.resolve("META-INF") |
| .resolve("services")); |
| |
| Path s = services.resolve("javax.naming.spi.InitialContextFactory"); |
| FileWriter fw = new FileWriter(s.toFile()); |
| try { |
| fw.write(factoryClassFqn); |
| } finally { |
| fw.close(); |
| } |
| |
| javac(explodedJar, dst1); |
| jar(tmp.resolve("test.jar"), explodedJar); |
| |
| Files.copy(tmp.resolve("test.jar"), build.resolve("test.jar")); |
| |
| Map<String, String> props |
| = singletonMap(Context.INITIAL_CONTEXT_FACTORY, factoryClassFqn); |
| |
| Result r = java(props, asList(build.resolve("test.jar"), build), "Test"); |
| |
| if (r.exitValue == 0 || !verifyOutput(r.output, factoryClassFqn)) |
| throw new RuntimeException(r.output); |
| } |
| |
| // IMO, that's the easiest way that gives you a fair amount of confidence in |
| // that j.u.ServiceLoader is loading a factory rather than Class.forName |
| private static boolean verifyOutput(String output, String fqn) { |
| String s1 = String.format( |
| "Exception in thread \"main\" javax.naming.NoInitialContextException: " |
| + "Cannot load initial context factory '%s' " |
| + "[Root exception is java.util.ServiceConfigurationError: " |
| + "javax.naming.spi.InitialContextFactory: " |
| + "Provider %s could not be instantiated]", fqn, fqn); |
| |
| String s2 = String.format("Caused by: java.util.ServiceConfigurationError: " |
| + "javax.naming.spi.InitialContextFactory: " |
| + "Provider %s could not be instantiated", fqn); |
| |
| String s3 = "Caused by: java.lang.RuntimeException: " |
| + "This is a broken factory. It is supposed to throw this exception."; |
| |
| return output.startsWith(s1) && output.contains(s2) |
| && output.contains(s1); |
| } |
| |
| private static void jar(Path jarName, Path jarRoot) { |
| String jar = getJDKTool("jar"); |
| ProcessBuilder p = new ProcessBuilder(jar, "cf", jarName.toString(), |
| "-C", jarRoot.toString(), "."); |
| quickFail(run(p)); |
| } |
| |
| private static void javac(Path compilationOutput, Path... sourceFiles) { |
| String javac = getJDKTool("javac"); |
| List<String> commands = new ArrayList<>(); |
| commands.addAll(asList(javac, "-d", compilationOutput.toString())); |
| List<Path> paths = asList(sourceFiles); |
| commands.addAll(paths.stream() |
| .map(Path::toString) |
| .collect(Collectors.toList())); |
| quickFail(run(new ProcessBuilder(commands))); |
| } |
| |
| private static void quickFail(Result r) { |
| if (r.exitValue != 0) |
| throw new RuntimeException(r.output); |
| } |
| |
| private static Result java(Map<String, String> properties, |
| Collection<Path> classpath, |
| String classname) { |
| |
| String java = getJDKTool("java"); |
| |
| List<String> commands = new ArrayList<>(); |
| commands.add(java); |
| commands.addAll(properties.entrySet() |
| .stream() |
| .map(e -> "-D" + e.getKey() + "=" + e.getValue()) |
| .collect(Collectors.toList())); |
| |
| String cp = classpath.stream() |
| .map(Path::toString) |
| .collect(Collectors.joining(File.pathSeparator)); |
| commands.add("-cp"); |
| commands.add(cp); |
| commands.add(classname); |
| |
| return run(new ProcessBuilder(commands)); |
| } |
| |
| private static Result run(ProcessBuilder b) { |
| Process p = null; |
| try { |
| p = b.start(); |
| } catch (IOException e) { |
| throw new RuntimeException( |
| format("Couldn't start process '%s'", b.command()), e); |
| } |
| |
| String output; |
| try { |
| output = toString(p.getInputStream(), p.getErrorStream()); |
| } catch (IOException e) { |
| throw new RuntimeException( |
| format("Couldn't read process output '%s'", b.command()), e); |
| } |
| |
| try { |
| p.waitFor(); |
| } catch (InterruptedException e) { |
| throw new RuntimeException( |
| format("Process hasn't finished '%s'", b.command()), e); |
| } |
| |
| return new Result(p.exitValue(), output); |
| } |
| |
| private static String getJDKTool(String name) { |
| String testJdk = System.getProperty("test.jdk"); |
| if (testJdk == null) |
| throw new RuntimeException("Please provide test.jdk property at a startup"); |
| return testJdk + File.separator + "bin" + File.separator + name; |
| } |
| |
| private static Path templatesHome() { |
| String testSrc = System.getProperty("test.src"); |
| if (testSrc == null) |
| throw new RuntimeException("Please provide test.src property at a startup"); |
| return Paths.get(testSrc); |
| } |
| |
| private static String toString(InputStream... src) throws IOException { |
| StringWriter dst = new StringWriter(); |
| Reader concatenated = |
| new InputStreamReader( |
| new SequenceInputStream( |
| Collections.enumeration(asList(src)))); |
| copy(concatenated, dst); |
| return dst.toString(); |
| } |
| |
| private static void copy(Reader src, Writer dst) throws IOException { |
| int len; |
| char[] buf = new char[1024]; |
| try { |
| while ((len = src.read(buf)) != -1) |
| dst.write(buf, 0, len); |
| } finally { |
| try { |
| src.close(); |
| } catch (IOException ignored1) { |
| } finally { |
| try { |
| dst.close(); |
| } catch (IOException ignored2) { |
| } |
| } |
| } |
| } |
| |
| private static class Result { |
| |
| final int exitValue; |
| final String output; |
| |
| private Result(int exitValue, String output) { |
| this.exitValue = exitValue; |
| this.output = output; |
| } |
| } |
| } |