xref: /aosp_15_r20/external/dagger2/java/dagger/internal/Providers.java (revision f585d8a307d0621d6060bd7e80091fdcbf94fe27)
1*f585d8a3SJacky Wang /*
2*f585d8a3SJacky Wang  * Copyright (C) 2023 The Dagger Authors.
3*f585d8a3SJacky Wang  *
4*f585d8a3SJacky Wang  * Licensed under the Apache License, Version 2.0 (the "License");
5*f585d8a3SJacky Wang  * you may not use this file except in compliance with the License.
6*f585d8a3SJacky Wang  * You may obtain a copy of the License at
7*f585d8a3SJacky Wang  *
8*f585d8a3SJacky Wang  * http://www.apache.org/licenses/LICENSE-2.0
9*f585d8a3SJacky Wang  *
10*f585d8a3SJacky Wang  * Unless required by applicable law or agreed to in writing, software
11*f585d8a3SJacky Wang  * distributed under the License is distributed on an "AS IS" BASIS,
12*f585d8a3SJacky Wang  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13*f585d8a3SJacky Wang  * See the License for the specific language governing permissions and
14*f585d8a3SJacky Wang  * limitations under the License.
15*f585d8a3SJacky Wang  */
16*f585d8a3SJacky Wang 
17*f585d8a3SJacky Wang package dagger.internal;
18*f585d8a3SJacky Wang 
19*f585d8a3SJacky Wang import static dagger.internal.Preconditions.checkNotNull;
20*f585d8a3SJacky Wang 
21*f585d8a3SJacky Wang /** Helper class for utility functions dealing with Providers. */
22*f585d8a3SJacky Wang public final class Providers {
23*f585d8a3SJacky Wang 
24*f585d8a3SJacky Wang   /** Converts a javax provider to a Dagger internal provider. */
asDaggerProvider(final javax.inject.Provider<T> provider)25*f585d8a3SJacky Wang   public static <T> Provider<T> asDaggerProvider(final javax.inject.Provider<T> provider) {
26*f585d8a3SJacky Wang     checkNotNull(provider);
27*f585d8a3SJacky Wang     return new Provider<T>() {
28*f585d8a3SJacky Wang         @Override public T get() {
29*f585d8a3SJacky Wang           return provider.get();
30*f585d8a3SJacky Wang         }
31*f585d8a3SJacky Wang     };
32*f585d8a3SJacky Wang   }
33*f585d8a3SJacky Wang 
34*f585d8a3SJacky Wang   private Providers() {}
35*f585d8a3SJacky Wang }
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