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/*
 * JBoss, Home of Professional Open Source
 * Copyright 2010, Red Hat Middleware LLC, and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jboss.arquillian.drone.impl;

import java.text.MessageFormat;

/**
 * Simple validation utility
 *
 * @author Karel Piwko
 */
class Validate {

    public static void stateNotNull(Object object, String message, Object... messageArguments)
        throws IllegalStateException {
        if (object == null) {
            throw new IllegalStateException(MessageFormat.format(message, messageArguments));
        }
    }

    /**
     * Checks that object is not null, throws exception if it is.
     *
     * @param obj
     *     The object to check
     * @param message
     *     The exception message
     *
     * @throws IllegalArgumentException
     *     Thrown if obj is null
     */
    public static void notNull(final Object obj, final String message, Object... messageArguments)
        throws IllegalArgumentException {
        if (obj == null) {
            throw new IllegalArgumentException(MessageFormat.format(message, messageArguments));
        }
    }
}