/* | |
* Copyright (C) 2008 Google Inc. | |
* | |
* 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 com.google.gson.internal; | |
import java.util.Objects; | |
/** | |
* A simple utility class used to check method Preconditions. | |
* | |
* <pre> | |
* public long divideBy(long value) { | |
* Preconditions.checkArgument(value != 0); | |
* return this.value / value; | |
* } | |
* </pre> | |
* | |
* @author Inderjeet Singh | |
* @author Joel Leitch | |
*/ | |
public final class $Gson$Preconditions { | |
private $Gson$Preconditions() { | |
throw new UnsupportedOperationException(); | |
} | |
/** | |
* @deprecated | |
* This is an internal Gson method. Use {@link Objects#requireNonNull(Object)} instead. | |
*/ | |
// Only deprecated for now because external projects might be using this by accident | |
@Deprecated | |
public static <T> T checkNotNull(T obj) { | |
if (obj == null) { | |
throw new NullPointerException(); | |
} | |
return obj; | |
} | |
public static void checkArgument(boolean condition) { | |
if (!condition) { | |
throw new IllegalArgumentException(); | |
} | |
} | |
} |