/*
 * Copyright (c) 2012, 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.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * 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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 */

package com.oracle.xmlns.internal.webservices.jaxws_databinding;

import com.sun.xml.internal.ws.model.RuntimeModelerException;

/**
 * Simple util to handle default values.
 *
 * @author miroslav.kos@oracle.com
 */
class Util {

    static String nullSafe(String value) {
        return value == null ? "" : value;
    }

    static <T> T nullSafe(T value, T defaultValue) {
        return value == null ? defaultValue : value;
    }

    @SuppressWarnings("unchecked")
    static <T extends Enum> T nullSafe(Enum value, T defaultValue) {
        return value == null ? defaultValue : (T) T.valueOf(defaultValue.getClass(), value.toString());
    }

    public static Class<?> findClass(String className) {
        try {
            return Class.forName(className);
        } catch (ClassNotFoundException e) {
            throw new RuntimeModelerException("runtime.modeler.external.metadata.generic", e);
        }
    }
}