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19 package org.eclipse.aether.internal.impl.filter;
20
21 import java.util.ArrayList;
22 import java.util.Collection;
23 import java.util.List;
24
25 import org.eclipse.aether.repository.RemoteRepository;
26 import org.eclipse.aether.spi.connector.ArtifactDownload;
27 import org.eclipse.aether.spi.connector.ArtifactUpload;
28 import org.eclipse.aether.spi.connector.MetadataDownload;
29 import org.eclipse.aether.spi.connector.MetadataUpload;
30 import org.eclipse.aether.spi.connector.RepositoryConnector;
31 import org.eclipse.aether.spi.connector.filter.RemoteRepositoryFilter;
32 import org.eclipse.aether.transfer.ArtifactNotFoundException;
33 import org.eclipse.aether.transfer.MetadataNotFoundException;
34
35 import static java.util.Objects.requireNonNull;
36
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41
42 public final class FilteringRepositoryConnector implements RepositoryConnector {
43 private final RemoteRepository remoteRepository;
44
45 private final RepositoryConnector delegate;
46
47 private final RemoteRepositoryFilter remoteRepositoryFilter;
48
49 public FilteringRepositoryConnector(
50 RemoteRepository remoteRepository,
51 RepositoryConnector delegate,
52 RemoteRepositoryFilter remoteRepositoryFilter) {
53 this.remoteRepository = requireNonNull(remoteRepository);
54 this.delegate = requireNonNull(delegate);
55 this.remoteRepositoryFilter = requireNonNull(remoteRepositoryFilter);
56 }
57
58 @Override
59 public void close() {
60 delegate.close();
61 }
62
63 @Override
64 public void get(
65 Collection<? extends ArtifactDownload> artifactDownloads,
66 Collection<? extends MetadataDownload> metadataDownloads) {
67 List<ArtifactDownload> filteredArtifactDownloads = null;
68 if (artifactDownloads != null && !artifactDownloads.isEmpty()) {
69 filteredArtifactDownloads = new ArrayList<>(artifactDownloads.size());
70 for (ArtifactDownload artifactDownload : artifactDownloads) {
71 RemoteRepositoryFilter.Result result =
72 remoteRepositoryFilter.acceptArtifact(remoteRepository, artifactDownload.getArtifact());
73 if (result.isAccepted()) {
74 filteredArtifactDownloads.add(artifactDownload);
75 } else {
76 artifactDownload.setException(new ArtifactNotFoundException(
77 artifactDownload.getArtifact(), remoteRepository, result.reasoning()));
78 }
79 }
80 }
81 List<MetadataDownload> filteredMetadataDownloads = null;
82 if (metadataDownloads != null && !metadataDownloads.isEmpty()) {
83 filteredMetadataDownloads = new ArrayList<>(metadataDownloads.size());
84 for (MetadataDownload metadataDownload : metadataDownloads) {
85 RemoteRepositoryFilter.Result result =
86 remoteRepositoryFilter.acceptMetadata(remoteRepository, metadataDownload.getMetadata());
87 if (result.isAccepted()) {
88 filteredMetadataDownloads.add(metadataDownload);
89 } else {
90 metadataDownload.setException(new MetadataNotFoundException(
91 metadataDownload.getMetadata(), remoteRepository, result.reasoning()));
92 }
93 }
94 }
95 delegate.get(filteredArtifactDownloads, filteredMetadataDownloads);
96 }
97
98 @Override
99 public void put(
100 Collection<? extends ArtifactUpload> artifactUploads,
101 Collection<? extends MetadataUpload> metadataUploads) {
102 delegate.put(artifactUploads, metadataUploads);
103 }
104
105 @Override
106 public String toString() {
107 return "filtered(" + delegate.toString() + ")";
108 }
109 }