org.opendaylight.controller.sal.common.util.Arguments Maven / Gradle / Ivy

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/*
 * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 */
package org.opendaylight.controller.sal.common.util;

public final class Arguments {

    private Arguments() {
        throw new UnsupportedOperationException("Utility class");
    }

    /**
     * Checks if value is instance of provided class.
     *
     * @param value Value to check
     * @param type Type to check
     * @return Reference which was checked
     */
    @SuppressWarnings("unchecked")
    public static  T checkInstanceOf(Object value, Class type) {
        if (!type.isInstance(value)) {
            throw new IllegalArgumentException(String.format("Value %s is not of type %s", value, type));
        }
        return (T) value;
    }
}