software.amazon.smithy.build.transforms.TraitRemovalUtils Maven / Gradle / Ivy

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This module is a library used to validate Smithy models, create filtered projections of a model, and generate build artifacts.

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/*
 * Copyright 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file 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 software.amazon.smithy.build.transforms;

import java.util.HashSet;
import java.util.Set;
import software.amazon.smithy.model.shapes.Shape;
import software.amazon.smithy.model.shapes.ShapeId;
import software.amazon.smithy.model.traits.Trait;
import software.amazon.smithy.utils.Pair;

/**
 * Utilities for {@link IncludeTraits} and {@link ExcludeTraits}.
 */
final class TraitRemovalUtils {

    private TraitRemovalUtils() {}

    static Pair, Set> parseTraits(Set ids) {
        Set traitNames = new HashSet<>();
        Set traitNamespaces = new HashSet<>();

        for (String arg : ids) {
            if (arg.endsWith("#")) {
                traitNamespaces.add(arg.substring(0, arg.length() - 1));
            } else {
                traitNames.add(ShapeId.from(Trait.makeAbsoluteName(arg)));
            }
        }

        return Pair.of(traitNames, traitNamespaces);
    }

    static boolean matchesTraitDefinition(Shape traitShape, Set traitNames, Set traitNamespaces) {
        return traitNames.contains(traitShape.getId()) || traitNamespaces.contains(traitShape.getId().getNamespace());
    }
}