content: /*
   * 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));
          }
      }
  }
  