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