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GwtCompatibility.java
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GwtCompatibility.java
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/*
* Copyright (C) 2017 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.internal.codegen.writing;
import static com.google.common.base.Preconditions.checkArgument;
import androidx.room.compiler.processing.XAnnotation;
import androidx.room.compiler.processing.XElement;
import com.squareup.javapoet.AnnotationSpec;
import dagger.internal.codegen.binding.Binding;
import dagger.internal.codegen.xprocessing.XAnnotations;
import java.util.Optional;
final class GwtCompatibility {
/**
* Returns a {@code @GwtIncompatible} annotation that is applied to {@code binding}'s {@link
* Binding#bindingElement()} or any enclosing type.
*/
static Optional<AnnotationSpec> gwtIncompatibleAnnotation(Binding binding) {
checkArgument(binding.bindingElement().isPresent());
XElement element = binding.bindingElement().get();
while (element != null) {
Optional<AnnotationSpec> gwtIncompatible =
element.getAllAnnotations().stream()
.filter(GwtCompatibility::isGwtIncompatible)
.map(XAnnotations::getAnnotationSpec)
.findFirst();
if (gwtIncompatible.isPresent()) {
return gwtIncompatible;
}
element = element.getEnclosingElement();
}
return Optional.empty();
}
private static boolean isGwtIncompatible(XAnnotation annotation) {
return XAnnotations.getClassName(annotation).simpleName().contentEquals("GwtIncompatible");
}
}