001package org.eclipse.aether.internal.impl.checksum; 002 003/* 004 * Licensed to the Apache Software Foundation (ASF) under one 005 * or more contributor license agreements. See the NOTICE file 006 * distributed with this work for additional information 007 * regarding copyright ownership. The ASF licenses this file 008 * to you under the Apache License, Version 2.0 (the 009 * "License"); you may not use this file except in compliance 010 * with the License. You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, 015 * software distributed under the License is distributed on an 016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 017 * KIND, either express or implied. See the License for the 018 * specific language governing permissions and limitations 019 * under the License. 020 */ 021 022import javax.inject.Inject; 023import javax.inject.Named; 024import javax.inject.Singleton; 025 026import java.util.List; 027import java.util.Map; 028 029import org.eclipse.aether.RepositorySystemSession; 030import org.eclipse.aether.artifact.Artifact; 031import org.eclipse.aether.repository.RemoteRepository; 032import org.eclipse.aether.spi.checksums.TrustedChecksumsSource; 033import org.eclipse.aether.spi.connector.ArtifactDownload; 034import org.eclipse.aether.spi.connector.checksum.ChecksumAlgorithmFactory; 035import org.eclipse.aether.spi.connector.checksum.ProvidedChecksumsSource; 036 037import static java.util.Objects.requireNonNull; 038 039/** 040 * Adapter that adapts {@link TrustedChecksumsSource} to {@link ProvidedChecksumsSource} used by connector. Hence, any 041 * "trusted" source exist that is enabled, automatically becomes "provided" source as well. 042 * 043 * @since 1.9.0 044 */ 045@Singleton 046@Named( TrustedToProvidedChecksumsSourceAdapter.NAME ) 047public final class TrustedToProvidedChecksumsSourceAdapter 048 implements ProvidedChecksumsSource 049{ 050 public static final String NAME = "trusted2provided"; 051 052 private final Map<String, TrustedChecksumsSource> trustedChecksumsSources; 053 054 @Inject 055 public TrustedToProvidedChecksumsSourceAdapter( Map<String, TrustedChecksumsSource> trustedChecksumsSources ) 056 { 057 this.trustedChecksumsSources = requireNonNull( trustedChecksumsSources ); 058 } 059 060 @Override 061 public Map<String, String> getProvidedArtifactChecksums( RepositorySystemSession session, 062 ArtifactDownload transfer, 063 List<ChecksumAlgorithmFactory> checksumAlgorithmFactories ) 064 { 065 Artifact artifact = transfer.getArtifact(); 066 for ( RemoteRepository remoteRepository : transfer.getRepositories() ) 067 { 068 for ( TrustedChecksumsSource trustedChecksumsSource : trustedChecksumsSources.values() ) 069 { 070 Map<String, String> trustedChecksums = trustedChecksumsSource 071 .getTrustedArtifactChecksums( session, artifact, remoteRepository, checksumAlgorithmFactories ); 072 if ( trustedChecksums != null && !trustedChecksums.isEmpty() ) 073 { 074 return trustedChecksums; 075 } 076 } 077 } 078 return null; 079 } 080}