| /* |
| * Copyright (c) 2006, 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 java.io.File; |
| import java.io.IOException; |
| import java.nio.charset.Charset; |
| import java.util.*; |
| import javax.tools.*; |
| |
| import static javax.tools.StandardLocation.CLASS_PATH; |
| import static javax.tools.StandardLocation.SOURCE_PATH; |
| import static javax.tools.StandardLocation.CLASS_OUTPUT; |
| |
| public class ToolTester implements AutoCloseable { |
| public final File test_src = new File(System.getProperty("test.src", ".")); |
| public final File test_classes = new File(System.getProperty("test.classes", ".")); |
| public final List<File> test_class_path = pathToFiles(System.getProperty("test.class.path"), |
| Arrays.asList(test_classes)); |
| public final JavaCompiler tool = ToolProvider.getSystemJavaCompiler(); |
| public final StandardJavaFileManager fm = getFileManager(tool, null, null); |
| public JavaCompiler.CompilationTask task = null; |
| public final StandardJavaFileManager getFileManager(JavaCompiler tool, |
| DiagnosticListener<JavaFileObject> dl, |
| Charset encoding) { |
| StandardJavaFileManager fm = tool.getStandardFileManager(dl, null, encoding); |
| try { |
| fm.setLocation(SOURCE_PATH, Arrays.asList(test_src)); |
| fm.setLocation(CLASS_PATH, test_class_path); |
| fm.setLocation(CLASS_OUTPUT, Arrays.asList(test_classes)); |
| } catch (IOException e) { |
| throw new AssertionError(e); |
| } |
| return fm; |
| } |
| |
| protected List<File> pathToFiles(String path, List<File> defaultPath) { |
| List<File> files = new ArrayList<>(); |
| for (String f: path.split(File.pathSeparator)) { |
| if (f.isEmpty()) |
| continue; |
| File file = new File(f); |
| if (file.exists()) |
| files.add(file); |
| } |
| if (files.isEmpty()) |
| files.addAll(defaultPath); |
| return files; |
| } |
| |
| protected <T> List<T> join(List<T> a, List<T> b) { |
| if (a.isEmpty()) |
| return b; |
| if (b.isEmpty()) |
| return a; |
| List<T> result = new ArrayList<>(); |
| result.addAll(a); |
| result.addAll(b); |
| return result; |
| } |
| |
| @Override |
| public void close() throws IOException { |
| fm.close(); |
| } |
| } |