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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 com.clearspring.analytics.util;

/**
 * Toy version of the guava class.  Only implemented here to avoid the
 * extra depenency.
 */
public class Preconditions {

    public static void checkState(boolean condition, String msg) {
        if (!condition) {
            throw new IllegalStateException(msg);
        }
    }

    public static void checkArgument(boolean condition) {
        if (!condition) {
            throw new IllegalArgumentException();
        }
    }

    public static void checkState(boolean condition) {
        if (!condition) {
            throw new IllegalStateException();
        }
    }

    public static void checkArgument(boolean condition, String format, Object... args) {
        if (!condition) {
            throw new IllegalArgumentException(String.format(format, args));
        }
    }

    public static void checkState(boolean condition, String format, Object... args) {
        if (!condition) {
            throw new IllegalStateException(String.format(format, args));
        }
    }
}