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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 shaded.shaded.org.eclipse.aether.spi.connector.checksum;
import java.util.List;
import java.util.Map;
import org.eclipse.aether.RepositorySystemSession;
import shaded.shaded.org.eclipse.aether.spi.connector.ArtifactDownload;
/**
* Component able to provide (expected) checksums to connector beforehand the download happens. Checksum provided by
* this component are of kind {@link shaded.shaded.org.eclipse.aether.spi.connector.checksum.ChecksumPolicy.ChecksumKind#PROVIDED}.
*
* @since 1.8.0
* @deprecated This interface is not used anymore, use {@link shaded.shaded.org.eclipse.aether.spi.checksums.ProvidedChecksumsSource}.
*/
@Deprecated
public interface ProvidedChecksumsSource {
/**
* May return the provided checksums (for given artifact transfer) from source other than remote repository, or
* {@code null} if it have no checksums available for given transfer. Provided checksums are "opt-in" for
* transfer, in a way IF they are available upfront, they will be enforced according to checksum policy
* in effect. Otherwise, provided checksum verification is completely left out.
*
* For enabled provided checksum source is completely acceptable to return {@code null} values, as that carries
* the meaning "nothing to add here", as there are no checksums to be provided upfront transfer. Semantically, this
* is equivalent to returning empty map, but signals the intent better.
*
* @param transfer The transfer that is about to be executed.
* @param checksumAlgorithmFactories The checksum algorithms that are expected.
* @return Map of expected checksums, or {@code null}.
*/
Map getProvidedArtifactChecksums(
RepositorySystemSession session,
ArtifactDownload transfer,
List checksumAlgorithmFactories);
}