| /* |
| * Copyright (c) 2012, 2013, 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 8001098 8004961 8004082 |
| * @summary Provide a simple light-weight "plug-in" mechanism for javac |
| */ |
| |
| import java.io.File; |
| import java.io.FileWriter; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.io.StringWriter; |
| import java.nio.charset.Charset; |
| import java.nio.file.Files; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.Locale; |
| import java.util.Objects; |
| import javax.tools.JavaCompiler; |
| import javax.tools.JavaFileManager; |
| import javax.tools.JavaFileObject; |
| import javax.tools.StandardJavaFileManager; |
| import javax.tools.StandardLocation; |
| import javax.tools.ToolProvider; |
| |
| public class Test { |
| public static void main(String... args) throws Exception { |
| new Test().run(); |
| } |
| |
| final File testSrc; |
| final File pluginSrc; |
| final File pluginClasses ; |
| final File pluginJar; |
| final List<String> ref1; |
| final List<String> ref2; |
| final JavaCompiler compiler; |
| final StandardJavaFileManager fm; |
| |
| Test() throws Exception { |
| testSrc = new File(System.getProperty("test.src")); |
| pluginSrc = new File(testSrc, "ShowTypePlugin.java"); |
| pluginClasses = new File("plugin"); |
| pluginJar = new File("plugin.jar"); |
| ref1 = readFile(testSrc, "Identifiers.out"); |
| ref2 = readFile(testSrc, "Identifiers_PI.out"); |
| compiler = ToolProvider.getSystemJavaCompiler(); |
| fm = compiler.getStandardFileManager(null, null, null); |
| } |
| |
| void run() throws Exception { |
| // compile the plugin explicitly, to a non-standard directory |
| // so that we don't find it on the wrong path by accident |
| pluginClasses.mkdirs(); |
| compile("-d", pluginClasses.getPath(), pluginSrc.getPath()); |
| writeFile(new File(pluginClasses, "META-INF/services/com.sun.source.util.Plugin"), |
| "ShowTypePlugin\n"); |
| jar("cf", pluginJar.getPath(), "-C", pluginClasses.getPath(), "."); |
| |
| testCommandLine("-Xplugin:showtype", ref1); |
| testCommandLine("-Xplugin:showtype PI", ref2); |
| testAPI("-Xplugin:showtype", ref1); |
| testAPI("-Xplugin:showtype PI", ref2); |
| |
| if (errors > 0) |
| throw new Exception(errors + " errors occurred"); |
| } |
| |
| void testAPI(String opt, List<String> ref) throws Exception { |
| File identifiers = new File(testSrc, "Identifiers.java"); |
| fm.setLocation(StandardLocation.ANNOTATION_PROCESSOR_PATH, Arrays.asList(pluginJar)); |
| fm.setLocation(StandardLocation.CLASS_OUTPUT, Arrays.asList(new File("."))); |
| List<String> options = Arrays.asList(opt); |
| Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(identifiers); |
| |
| System.err.println("test api: " + options + " " + files); |
| |
| StringWriter sw = new StringWriter(); |
| PrintWriter pw = new PrintWriter(sw); |
| boolean ok = compiler.getTask(pw, fm, null, options, null, files).call(); |
| String out = sw.toString(); |
| System.err.println(out); |
| if (!ok) |
| error("testCommandLine: compilation failed"); |
| checkOutput(out, ref); |
| } |
| |
| void testCommandLine(String opt, List<String> ref) { |
| File identifiers = new File(testSrc, "Identifiers.java"); |
| String[] args = { |
| "-d", ".", |
| "-processorpath", pluginJar.getPath(), |
| opt, |
| identifiers.getPath() }; |
| |
| System.err.println("test command line: " + Arrays.asList(args)); |
| |
| StringWriter sw = new StringWriter(); |
| PrintWriter pw = new PrintWriter(sw); |
| int rc = com.sun.tools.javac.Main.compile(args, pw); |
| String out = sw.toString(); |
| System.err.println(out); |
| if (rc != 0) |
| error("testCommandLine: compilation failed"); |
| checkOutput(out, ref); |
| } |
| |
| private void checkOutput(String out, List<String> ref) { |
| List<String> lines = Arrays.asList(out |
| .replaceAll(".*?([A-Za-z.]+:[0-9]+: .*)", "$1") // remove file directory |
| .split("[\r\n]+")); // allow for newline formats |
| if (!lines.equals(ref)) { |
| error("unexpected output"); |
| } |
| } |
| |
| private void compile(String... args) throws Exception { |
| System.err.println("compile: " + Arrays.asList(args)); |
| int rc = com.sun.tools.javac.Main.compile(args); |
| if (rc != 0) |
| throw new Exception("compiled failed, rc=" + rc); |
| } |
| |
| private void jar(String... args) throws Exception { |
| System.err.println("jar: " + Arrays.asList(args)); |
| boolean ok = new sun.tools.jar.Main(System.out, System.err, "jar").run(args); |
| if (!ok) |
| throw new Exception("jar failed"); |
| } |
| |
| private List<String> readFile(File dir, String name) throws IOException { |
| return Files.readAllLines(new File(dir, name).toPath(), Charset.defaultCharset()); |
| } |
| |
| private void writeFile(File f, String body) throws IOException { |
| f.getParentFile().mkdirs(); |
| try (FileWriter out = new FileWriter(f)) { |
| out.write(body); |
| } |
| } |
| |
| private void error(String msg) { |
| System.err.println(msg); |
| errors++; |
| } |
| |
| int errors; |
| } |