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An implementation of the repository system.

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.eclipse.aether.internal.impl;

import java.util.Set;

import org.eclipse.aether.artifact.Artifact;
import org.eclipse.aether.spi.artifact.ArtifactPredicate;
import org.eclipse.aether.spi.connector.checksum.ChecksumAlgorithmFactorySelector;

import static java.util.Objects.requireNonNull;

public final class DefaultArtifactPredicate implements ArtifactPredicate {
    private final ChecksumAlgorithmFactorySelector checksumAlgorithmFactorySelector;
    private final Set extensionsWithoutChecksums;

    public DefaultArtifactPredicate(
            ChecksumAlgorithmFactorySelector checksumAlgorithmFactorySelector, Set extensionsWithoutChecksums) {
        this.checksumAlgorithmFactorySelector = checksumAlgorithmFactorySelector;
        this.extensionsWithoutChecksums = extensionsWithoutChecksums;
    }

    @Override
    public boolean isWithoutChecksum(Artifact artifact) {
        requireNonNull(artifact);
        String artifactExtension = artifact.getExtension(); // ie. pom.asc
        for (String extensionWithoutChecksums : extensionsWithoutChecksums) {
            if (artifactExtension.endsWith(extensionWithoutChecksums)) {
                return true;
            }
        }
        return false;
    }

    @Override
    public boolean isChecksum(Artifact artifact) {
        requireNonNull(artifact);
        return checksumAlgorithmFactorySelector.isChecksumExtension(artifact.getExtension());
    }
}