T6397104.java

/*
 * Copyright (c) 2006, 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     6397104
 * @summary JSR 199: JavaFileManager.getFileForOutput should have sibling argument
 * @author  Peter von der Ah\u00e9
 * @modules java.compiler
 *          jdk.compiler
 */

import java.io.File;
import java.net.URI;
import java.util.Arrays;
import javax.tools.*;
import javax.tools.JavaFileManager.Location;

import static javax.tools.StandardLocation.CLASS_OUTPUT;

public class T6397104 {

    JavaCompiler tool = ToolProvider.getSystemJavaCompiler();

    void test(StandardJavaFileManager fm,
              Location location,
              File siblingFile,
              String relName,
              String expectedPath)
        throws Exception
    {
        JavaFileObject sibling = siblingFile == null
            ? null
            : fm.getJavaFileObjectsFromFiles(Arrays.asList(siblingFile)).iterator().next();
        FileObject fileObject =
            fm.getFileForOutput(location, "java.lang", relName, sibling);

        File expectedFile = new File(expectedPath).getCanonicalFile();
        File fileObjectFile = new File(fileObject.toUri()).getCanonicalFile();

        if (!fileObjectFile.equals(expectedFile))
            throw new AssertionError("Expected " + expectedFile +
                                     ", got " + fileObjectFile);
        System.err.format("OK: (%s, %s) => %s%n", siblingFile, relName, fileObjectFile);
    }

    void test(boolean hasLocation, File siblingFile, String relName, String expectedPath)
        throws Exception
    {
        System.err.format("test: hasLocation:%s, siblingFile:%s, relName:%s, expectedPath:%s%n",
                hasLocation, siblingFile, relName, expectedPath);
        try (StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null)) {
            if (hasLocation) {
                for (Location location : StandardLocation.values()) {
                    System.err.format("  location:%s, moduleLocn:%b%n",
                        location, location.isModuleOrientedLocation());
                    if (!location.isOutputLocation()) {
                        continue;
                    }
                    fm.setLocation(location, Arrays.asList(new File(".")));
                    test(fm, location, siblingFile, relName, expectedPath);
                }
            } else {
                test(fm, CLASS_OUTPUT, siblingFile, relName, expectedPath);
            }
        }
    }

    public static void main(String... args) throws Exception {
        T6397104 tester = new T6397104();
        tester.test(false,
                    new File(new File("foo", "bar"), "baz.java"),
                    "qux/baz.xml",
                    "foo/bar/baz.xml");
        tester.test(false,
                    null,
                    "qux/baz.xml",
                    "baz.xml"); // sb "java/lang/qux/baz.xml"
        tester.test(true,
                    new File(new File("foo", "bar"), "baz.java"),
                    "qux/baz.xml",
                    "./java/lang/qux/baz.xml");
        tester.test(true,
                    null,
                    "qux/baz.xml",
                    "./java/lang/qux/baz.xml");
    }

}