130 lines
5.5 KiB
Java
130 lines
5.5 KiB
Java
/*
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* Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8043643
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* @summary Run the langtools coding rules over the langtools source code.
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* @modules java.base/sun.reflect.annotation
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* java.logging
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* java.xml
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* jdk.compiler/com.sun.tools.javac.resources
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*/
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import java.io.*;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.nio.file.StandardOpenOption;
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import java.util.*;
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import java.util.stream.Collectors;
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import java.util.stream.Stream;
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import javax.tools.Diagnostic;
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import javax.tools.DiagnosticListener;
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import javax.tools.JavaCompiler;
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import javax.tools.JavaFileObject;
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import javax.tools.StandardJavaFileManager;
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import javax.tools.ToolProvider;
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import com.sun.tools.javac.util.Assert;
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public class RunCodingRules {
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public static void main(String... args) throws Exception {
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new RunCodingRules().run();
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}
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public void run() throws Exception {
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Path testSrc = Paths.get(System.getProperty("test.src", "."));
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Path targetDir = Paths.get(System.getProperty("test.classes", "."));
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List<Path> sourceDirs = null;
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Path crulesDir = null;
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for (Path d = testSrc; d != null; d = d.getParent()) {
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if (Files.exists(d.resolve("TEST.ROOT"))) {
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d = d.getParent();
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Path toolsPath = d.resolve("make/tools");
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if (Files.exists(toolsPath)) {
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crulesDir = toolsPath;
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sourceDirs = Files.walk(d.resolve("src"), 1)
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.map(p -> p.resolve("share/classes"))
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.filter(p -> Files.isDirectory(p))
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.collect(Collectors.toList());
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break;
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}
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}
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}
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if (sourceDirs == null || crulesDir == null) {
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System.err.println("Warning: sources not found, test skipped.");
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return ;
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}
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JavaCompiler javaCompiler = ToolProvider.getSystemJavaCompiler();
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try (StandardJavaFileManager fm = javaCompiler.getStandardFileManager(null, null, null)) {
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DiagnosticListener<JavaFileObject> noErrors = diagnostic -> {
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Assert.check(diagnostic.getKind() != Diagnostic.Kind.ERROR, diagnostic.toString());
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};
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List<File> crulesFiles = Files.walk(crulesDir)
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.filter(entry -> entry.getFileName().toString().endsWith(".java"))
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.filter(entry -> entry.getParent().endsWith("crules"))
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.map(entry -> entry.toFile())
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.collect(Collectors.toList());
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Path crulesTarget = targetDir.resolve("crules");
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Files.createDirectories(crulesTarget);
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List<String> crulesOptions = Arrays.asList("-d", crulesTarget.toString());
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javaCompiler.getTask(null, fm, noErrors, crulesOptions, null,
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fm.getJavaFileObjectsFromFiles(crulesFiles)).call();
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Path registration = crulesTarget.resolve("META-INF/services/com.sun.source.util.Plugin");
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Files.createDirectories(registration.getParent());
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try (Writer metaInfServices = Files.newBufferedWriter(registration, StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING)) {
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metaInfServices.write("crules.CodingRulesAnalyzerPlugin\n");
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}
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List<File> sources = sourceDirs.stream()
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.flatMap(dir -> silentFilesWalk(dir))
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.filter(entry -> entry.getFileName().toString().endsWith(".java"))
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.map(p -> p.toFile())
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.collect(Collectors.toList());
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Path sourceTarget = targetDir.resolve("classes");
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Files.createDirectories(sourceTarget);
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String processorPath = crulesTarget.toString() + File.pathSeparator + crulesDir.toString();
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List<String> options = Arrays.asList("-d", sourceTarget.toString(),
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"-processorpath", processorPath, "-Xplugin:coding_rules");
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javaCompiler.getTask(null, fm, noErrors, options, null,
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fm.getJavaFileObjectsFromFiles(sources)).call();
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}
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}
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Stream<Path> silentFilesWalk(Path dir) throws IllegalStateException {
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try {
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return Files.walk(dir);
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} catch (IOException ex) {
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throw new IllegalStateException(ex);
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}
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}
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}
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