ClassSupplier.java

/*
 * Copyright (c) 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
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 * questions.
 */
package util;

import java.util.function.Supplier;

/**
 * An enumeration of suppliers of test classes.
 */
public enum ClassSupplier implements Supplier<Class<?>> {
    PACKAGE_CLASS_IN_PKG_A("a.Package"),
    PUBLIC_SUPERCLASS_IN_PKG_A("a.PublicSuper"),
    PACKAGE_CLASS_IN_PKG_B("b.Package"),
    PUBLIC_SUBCLASS_IN_PKG_B("b.PublicSub");

    private final String className;

    ClassSupplier(String className) {
        this.className = className;
    }

    @Override
    public Class<?> get() {
        try {
            return Class.forName(className);
        } catch (ClassNotFoundException e) {
            throw (Error) new NoClassDefFoundError(className).initCause(e);
        }
    }
}