Java example source code file (T6351767.java)

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Java - Java tags/keywords

assertionerror, javacompiler, javafilemanager, javafileobject, npe, nullpointerexception, object, t6351767, util

The T6351767.java Java example source code

/*
 * Copyright (c) 2006, 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 6351767
 * @summary javax.tools.JavaCompilerTool.getStandardFileManager().list() treats directories as package
 */

import java.io.File;
import java.io.IOException;
import java.util.EnumSet;
import javax.tools.*;
import javax.tools.JavaFileObject.Kind;
import javax.tools.StandardLocation;

public class T6351767 {
    public static void main(String... args) throws Exception {

        JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
        JavaFileManager jfm = compiler.getStandardFileManager(null, null, null);

        // test null
        try {
            jfm.list(StandardLocation.SOURCE_PATH, null, EnumSet.of(Kind.SOURCE), false);
            error("NPE not thrown");
        }
        catch (NullPointerException e) {
            // expected
        }

        // test null fileKinds
        try {
            jfm.list(StandardLocation.SOURCE_PATH, "", null, false);
            error("NPE not thrown");
        }
        catch (NullPointerException e) {
            // expected
        }

        // test good package
        boolean found = false;
        for (JavaFileObject jfo : jfm.list(StandardLocation.PLATFORM_CLASS_PATH,
                                           "java.lang",
                                           EnumSet.of(Kind.CLASS),
                                           false)) {
            System.err.println("found " + jfo.toUri());
            if (jfo.isNameCompatible("Object", Kind.CLASS))
                found = true;
        }
        if (!found)
            error("expected file, java/lang/Object.class, not found");

        found = false;
        // test good package (VM name)
        for (JavaFileObject jfo : jfm.list(StandardLocation.PLATFORM_CLASS_PATH,
                                           "java/lang",
                                           EnumSet.of(Kind.CLASS),
                                           false)) {
            System.err.println("found " + jfo.toUri());
            if (jfo.isNameCompatible("Object", Kind.CLASS))
                found = true;
        }
        if (!found)
            error("expected file, java/lang/Object.class, not found");

    }

    static void error(String msg) {
        throw new AssertionError(msg);
    }
}