/*
* Copyright (c) 2006, 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.
*/
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 {
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;
}
}