Add event basic tab. work in progress

[unical.git] / gson / com / google / gson / internal / $Gson$Preconditions.java

/*\r
 * Copyright (C) 2008 Google Inc.\r
 *\r
 * Licensed under the Apache License, Version 2.0 (the "License");\r
 * you may not use this file except in compliance with the License.\r
 * You may obtain a copy of the License at\r
 *\r
 * http://www.apache.org/licenses/LICENSE-2.0\r
 *\r
 * Unless required by applicable law or agreed to in writing, software\r
 * distributed under the License is distributed on an "AS IS" BASIS,\r
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
 * See the License for the specific language governing permissions and\r
 * limitations under the License.\r
 */\r
\r
package com.google.gson.internal;\r
\r
/**\r
 * A simple utility class used to check method Preconditions.\r
 *\r
 * <pre>\r
 * public long divideBy(long value) {\r
 *   Preconditions.checkArgument(value != 0);\r
 *   return this.value / value;\r
 * }\r
 * </pre>\r
 *\r
 * @author Inderjeet Singh\r
 * @author Joel Leitch\r
 */\r
public final class $Gson$Preconditions {\r
  public static <T> T checkNotNull(T obj) {\r
    if (obj == null) {\r
      throw new NullPointerException();\r
    }\r
    return obj;\r
  }\r
\r
  public static void checkArgument(boolean condition) {\r
    if (!condition) {\r
      throw new IllegalArgumentException();\r
    }\r
  }\r
}\r