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A fast dependency injector for Android and Java.

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/*
 * Copyright (C) 2025 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.xprocessing;

import static com.google.common.base.Preconditions.checkArgument;

import androidx.room.compiler.codegen.XAnnotationSpec;
import androidx.room.compiler.codegen.XTypeName;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Lists;
import com.squareup.javapoet.AnnotationSpec;

/** Static factories to create {@link AnnotationSpec}s. */
public final class XAnnotationSpecs {
  /** Values for an {@link SuppressWarnings} annotation. */
  public enum Suppression {
    RAWTYPES("rawtypes"),
    UNCHECKED("unchecked"),
    FUTURE_RETURN_VALUE_IGNORED("FutureReturnValueIgnored"),
    KOTLIN_INTERNAL("KotlinInternal", "KotlinInternalInJava"),
    CAST("cast"),
    DEPRECATION("deprecation"),
    UNINITIALIZED("nullness:initialization.field.uninitialized");

    private final ImmutableList values;

    Suppression(String... values) {
      this.values = ImmutableList.copyOf(values);
    }
  }

  /** Creates an {@link XAnnotationSpec} for {@link SuppressWarnings}. */
  public static XAnnotationSpec suppressWarnings(Suppression first, Suppression... rest) {
    return suppressWarnings(ImmutableSet.copyOf(Lists.asList(first, rest)));
  }

  /** Creates an {@link XAnnotationSpec} for {@link SuppressWarnings}. */
  public static XAnnotationSpec suppressWarnings(ImmutableSet suppressions) {
    checkArgument(!suppressions.isEmpty());
    XAnnotationSpec.Builder builder = XAnnotationSpec.builder(XTypeName.SUPPRESS);
    suppressions.stream()
        .flatMap(suppression -> suppression.values.stream())
        .forEach(value -> builder.addMember("value", "%S", value));
    return builder.build();
  }

  private XAnnotationSpecs() {}
}