| /* |
| * Copyright (c) 2014, 2016, 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. |
| */ |
| |
| /** |
| * @test |
| * @bug 8067138 |
| * @summary Verify that compiling against the exploded JDK image works, and that Locations close |
| * the directory streams properly when working with exploded JDK image. |
| * @library /tools/lib |
| * @modules jdk.compiler/com.sun.tools.javac.api |
| * jdk.compiler/com.sun.tools.javac.code |
| * jdk.compiler/com.sun.tools.javac.main |
| * @build toolbox.ToolBox ExplodedImage |
| * @run main/othervm ExplodedImage modules/* testDirectoryStreamClosed |
| * @run main/othervm ExplodedImage modules/* testCanCompileAgainstExplodedImage |
| */ |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.URI; |
| import java.nio.file.DirectoryStream; |
| import java.nio.file.FileSystems; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.util.Arrays; |
| import java.util.EnumSet; |
| import java.util.List; |
| import javax.lang.model.element.TypeElement; |
| import javax.tools.Diagnostic; |
| import javax.tools.DiagnosticListener; |
| import javax.tools.JavaCompiler; |
| import javax.tools.JavaFileObject; |
| import javax.tools.StandardJavaFileManager; |
| import javax.tools.StandardLocation; |
| import javax.tools.ToolProvider; |
| |
| import com.sun.source.util.JavacTask; |
| import com.sun.tools.javac.code.Symbol.ClassSymbol; |
| |
| import toolbox.ToolBox; |
| |
| public class ExplodedImage { |
| public static void main(String... args) throws IOException { |
| new ExplodedImage().run(args); |
| } |
| |
| void run(String... args) throws IOException { |
| switch (args[0]) { |
| case "testDirectoryStreamClosed": |
| testDirectoryStreamClosed(args[1]); |
| break; |
| case "testCanCompileAgainstExplodedImage": |
| testCanCompileAgainstExplodedImage(args[1]); |
| break; |
| } |
| } |
| |
| void testDirectoryStreamClosed(String loc) throws IOException { |
| System.err.println("testDirectoryStreamClosed(" + loc + ")"); |
| Path javaHome = prepareJavaHome(); |
| Path targetPath = javaHome.resolve(loc.replace("*", "/java.base").replace("/", sep)); |
| Path testClass = targetPath.resolve(("java/lang/" + TEST_FILE).replace("/", sep)); |
| Files.createDirectories(testClass.getParent()); |
| Files.createFile(testClass); |
| System.setProperty("java.home", javaHome.toString()); |
| |
| for (int i = 0; i < REPEATS; i++) { |
| try (StandardJavaFileManager fm = javaCompiler.getStandardFileManager(null, null, null)) { |
| Iterable<JavaFileObject> javaLangContent = |
| fm.list(StandardLocation.PLATFORM_CLASS_PATH, |
| "java.lang", |
| EnumSet.allOf(JavaFileObject.Kind.class), |
| false); |
| boolean found = false; |
| |
| for (JavaFileObject fo : javaLangContent) { |
| if (!fo.getName().endsWith(TEST_FILE)) { |
| throw new IllegalStateException("Wrong file: " + fo); |
| } |
| found = true; |
| } |
| |
| if (!found) |
| throw new IllegalStateException("Could not find the expected file!"); |
| } |
| } |
| |
| System.err.println("finished."); |
| } |
| //where: |
| static final String TEST_FILE = "ExplodedImageTestFile.class"; |
| static final int REPEATS = 16 * 1024 + 1; |
| |
| void testCanCompileAgainstExplodedImage(String loc) throws IOException { |
| System.err.println("testCanCompileAgainstExplodedImage(" + loc + ")"); |
| Path javaHome = prepareJavaHome(); |
| Path targetPath = javaHome.resolve(loc.replace("*", "/java.base").replace("/", sep)); |
| try (StandardJavaFileManager fm = javaCompiler.getStandardFileManager(null, null, null)) { |
| for (String pack : REQUIRED_PACKAGES) { |
| Iterable<JavaFileObject> content = fm.list(StandardLocation.PLATFORM_CLASS_PATH, |
| pack, |
| EnumSet.allOf(JavaFileObject.Kind.class), |
| false); |
| |
| for (JavaFileObject jfo : content) { |
| String name = jfo.getName(); |
| int lastSlash = name.lastIndexOf('/'); |
| name = lastSlash >= 0 ? name.substring(lastSlash + 1) : name; |
| Path target = targetPath.resolve(pack.replace(".", sep) + sep + name); |
| Files.createDirectories(target.getParent()); |
| try (InputStream in = jfo.openInputStream()) { |
| Files.copy(in, target); |
| } |
| } |
| } |
| } |
| |
| System.setProperty("java.home", javaHome.toString()); |
| |
| try (StandardJavaFileManager fm = javaCompiler.getStandardFileManager(null, null, null)) { |
| DiagnosticListener<JavaFileObject> noErrors = d -> { |
| if (d.getKind() == Diagnostic.Kind.ERROR) |
| throw new IllegalStateException("Unexpected error: " + d); |
| }; |
| ToolBox.JavaSource inputFile = |
| new ToolBox.JavaSource("import java.util.List; class Test { List l; }"); |
| List<JavaFileObject> inputFiles = Arrays.asList(inputFile); |
| boolean result = |
| javaCompiler.getTask(null, fm, noErrors, null, null, inputFiles).call(); |
| if (!result) { |
| throw new IllegalStateException("Could not compile correctly!"); |
| } |
| JavacTask task = |
| (JavacTask) javaCompiler.getTask(null, fm, noErrors, null, null, inputFiles); |
| task.parse(); |
| TypeElement juList = task.getElements().getTypeElement("java.util.List"); |
| if (juList == null) |
| throw new IllegalStateException("Cannot resolve java.util.List!"); |
| URI listSource = ((ClassSymbol) juList).classfile.toUri(); |
| if (!listSource.toString().startsWith(javaHome.toUri().toString())) |
| throw new IllegalStateException( "Did not load java.util.List from correct place, " + |
| "actual location: " + listSource.toString() + |
| "; expected prefix: " + javaHome.toUri()); |
| } |
| |
| System.err.println("finished."); |
| } |
| //where: |
| static final String[] REQUIRED_PACKAGES = {"java.lang", "java.io", "java.util"}; |
| |
| Path prepareJavaHome() throws IOException { |
| Path javaHome = new File("javahome").getAbsoluteFile().toPath(); |
| delete(javaHome); |
| Files.createDirectory(javaHome); |
| return javaHome; |
| } |
| |
| String sep = FileSystems.getDefault().getSeparator(); |
| JavaCompiler javaCompiler = ToolProvider.getSystemJavaCompiler(); |
| String originalJavaHome = System.getProperty("java.home"); |
| |
| void delete(Path p) throws IOException { |
| if (!Files.exists(p)) |
| return ; |
| if (Files.isDirectory(p)) { |
| try (DirectoryStream<Path> dir = Files.newDirectoryStream(p)) { |
| for (Path child : dir) { |
| delete(child); |
| } |
| } |
| } |
| Files.delete(p); |
| } |
| } |