| // Copyright 2016 The Bazel Authors. All rights reserved. |
| // |
| // 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.devtools.build.android.desugar.testdata; |
| |
| import java.util.Objects; |
| import java.util.function.IntSupplier; |
| |
| /** This class is for the testing of desugaring calls to Objects.requireNonNull(Object o...) */ |
| public class ClassCallingRequireNonNull { |
| |
| public static int getStringLengthWithMethodReference(String s) { |
| return toInt(s::length); |
| } |
| |
| public static int toInt(IntSupplier function) { |
| return function.getAsInt(); |
| } |
| |
| public static int getStringLengthWithLambdaAndExplicitCallToRequireNonNull(final String s) { |
| return toInt(() -> Objects.requireNonNull(s).length()); |
| } |
| |
| public static char getFirstCharVersionOne(String string) { |
| Objects.requireNonNull(string); |
| return string.charAt(0); |
| } |
| |
| public static char getFirstCharVersionTwo(String string) { |
| string = Objects.requireNonNull(string); |
| return string.charAt(0); |
| } |
| |
| public static char callRequireNonNullWithArgumentString(String string) { |
| string = Objects.requireNonNull(string, "the string should not be null"); |
| return string.charAt(0); |
| } |
| |
| public static char callRequireNonNullWithArgumentSupplier(String string) { |
| string = Objects.requireNonNull(string, () -> "the string should not be null"); |
| return string.charAt(0); |
| } |
| } |