tooltester.java

来自「是一款用JAVA 编写的编译器 具有很强的编译功能」· Java 代码 · 共 54 行

/*
 * Copyright 2006 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.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.Arrays;
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 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,   Arrays.asList(test_classes));
            fm.setLocation(CLASS_OUTPUT, Arrays.asList(test_classes));
        } catch (IOException e) {
            throw new AssertionError(e);
        }
        return fm;
    }
}