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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.processor.internal.earlyentrypoint;
import com.google.auto.common.MoreElements;
import com.google.auto.value.AutoValue;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import dagger.hilt.processor.internal.AnnotationValues;
import dagger.hilt.processor.internal.ClassNames;
import dagger.hilt.processor.internal.ProcessorErrors;
import dagger.hilt.processor.internal.Processors;
import javax.lang.model.element.AnnotationMirror;
import javax.lang.model.element.AnnotationValue;
import javax.lang.model.element.Element;
import javax.lang.model.element.ElementKind;
import javax.lang.model.element.PackageElement;
import javax.lang.model.element.TypeElement;
import javax.lang.model.util.Elements;
/**
* A class that represents the values stored in an {@link
* dagger.hilt.android.internal.uninstallmodules.AggregatedUninstallModules} annotation.
*/
@AutoValue
public abstract class AggregatedEarlyEntryPointMetadata {
/** Returns the element annotated with {@link dagger.hilt.android.EarlyEntryPoint}. */
public abstract TypeElement earlyEntryPoint();
/** Returns all aggregated deps in the aggregating package. */
public static ImmutableSet<AggregatedEarlyEntryPointMetadata> from(Elements elements) {
PackageElement packageElement =
elements.getPackageElement(ClassNames.AGGREGATED_EARLY_ENTRY_POINT_PACKAGE);
if (packageElement == null) {
return ImmutableSet.of();
}
ImmutableSet<Element> aggregatedElements =
ImmutableSet.copyOf(packageElement.getEnclosedElements());
ProcessorErrors.checkState(
!aggregatedElements.isEmpty(),
packageElement,
"No dependencies found. Did you remove code in package %s?",
ClassNames.AGGREGATED_EARLY_ENTRY_POINT_PACKAGE);
ImmutableSet.Builder<AggregatedEarlyEntryPointMetadata> builder = ImmutableSet.builder();
for (Element element : aggregatedElements) {
ProcessorErrors.checkState(
element.getKind() == ElementKind.CLASS,
element,
"Only classes may be in package %s. Did you add custom code in the package?",
ClassNames.AGGREGATED_EARLY_ENTRY_POINT_PACKAGE);
builder.add(create(MoreElements.asType(element), elements));
}
return builder.build();
}
private static AggregatedEarlyEntryPointMetadata create(TypeElement element, Elements elements) {
AnnotationMirror annotationMirror =
Processors.getAnnotationMirror(element, ClassNames.AGGREGATED_EARLY_ENTRY_POINT);
ProcessorErrors.checkState(
annotationMirror != null,
element,
"Classes in package %s must be annotated with @%s: %s. Found: %s.",
ClassNames.AGGREGATED_EARLY_ENTRY_POINT_PACKAGE,
ClassNames.AGGREGATED_EARLY_ENTRY_POINT,
element.getSimpleName(),
element.getAnnotationMirrors());
ImmutableMap<String, AnnotationValue> values =
Processors.getAnnotationValues(elements, annotationMirror);
TypeElement earlyEntryPoint =
elements.getTypeElement(AnnotationValues.getString(values.get("earlyEntryPoint")));
return new AutoValue_AggregatedEarlyEntryPointMetadata(earlyEntryPoint);
}
}
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