unplugged-system/external/dagger2/java/dagger/hilt/android/internal/Contexts.java

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/*
* Copyright (C) 2021 The Dagger Authors.
*
* 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 dagger.hilt.android.internal;
import android.app.Application;
import android.content.Context;
import android.content.ContextWrapper;
/**
* Utility methods for dealing with contexts.
*/
public final class Contexts {
/** Finds the android Application from a context. */
public static Application getApplication(Context context) {
if (context instanceof Application) {
return (Application) context;
}
Context unwrapContext = context;
while (unwrapContext instanceof ContextWrapper) {
unwrapContext = ((ContextWrapper) unwrapContext).getBaseContext();
if (unwrapContext instanceof Application) {
return (Application) unwrapContext;
}
}
throw new IllegalStateException(
"Could not find an Application in the given context: " + context);
}
private Contexts() {}
}