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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.eclipse.aether.internal.impl;
20  
21  import java.util.Set;
22  
23  import org.eclipse.aether.artifact.Artifact;
24  import org.eclipse.aether.spi.artifact.ArtifactPredicate;
25  import org.eclipse.aether.spi.connector.checksum.ChecksumAlgorithmFactorySelector;
26  
27  import static java.util.Objects.requireNonNull;
28  
29  public final class DefaultArtifactPredicate implements ArtifactPredicate {
30      private final ChecksumAlgorithmFactorySelector checksumAlgorithmFactorySelector;
31      private final Set<String> extensionsWithoutChecksums;
32  
33      public DefaultArtifactPredicate(
34              ChecksumAlgorithmFactorySelector checksumAlgorithmFactorySelector, Set<String> extensionsWithoutChecksums) {
35          this.checksumAlgorithmFactorySelector = checksumAlgorithmFactorySelector;
36          this.extensionsWithoutChecksums = extensionsWithoutChecksums;
37      }
38  
39      @Override
40      public boolean isWithoutChecksum(Artifact artifact) {
41          requireNonNull(artifact);
42          String artifactExtension = artifact.getExtension(); // ie. pom.asc
43          for (String extensionWithoutChecksums : extensionsWithoutChecksums) {
44              if (artifactExtension.endsWith(extensionWithoutChecksums)) {
45                  return true;
46              }
47          }
48          return false;
49      }
50  
51      @Override
52      public boolean isChecksum(Artifact artifact) {
53          requireNonNull(artifact);
54          return checksumAlgorithmFactorySelector.isChecksumExtension(artifact.getExtension());
55      }
56  }