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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.apache.maven.artifact.resolver;
20  
21  import java.util.ArrayList;
22  import java.util.List;
23  import org.apache.maven.artifact.Artifact;
24  import org.apache.maven.artifact.repository.ArtifactRepository;
25  
26  /**
27   * Exception caused when one or more artifacts can not be resolved because they are not found in the
28   * local or remote repositories.
29   */
30  public class MultipleArtifactsNotFoundException extends ArtifactResolutionException {
31      private static final String LS = System.lineSeparator();
32  
33      private final List<Artifact> resolvedArtifacts;
34      private final List<Artifact> missingArtifacts;
35  
36      /**
37       * @param originatingArtifact the artifact that was being resolved
38       * @param missingArtifacts    artifacts that could not be resolved
39       * @param remoteRepositories  remote repositories where the missing artifacts were not found
40       * @deprecated use {@link #MultipleArtifactsNotFoundException(Artifact, List, List, List)}
41       */
42      @Deprecated
43      public MultipleArtifactsNotFoundException(
44              Artifact originatingArtifact,
45              List<Artifact> missingArtifacts,
46              List<ArtifactRepository> remoteRepositories) {
47          this(originatingArtifact, new ArrayList<>(), missingArtifacts, remoteRepositories);
48      }
49  
50      /**
51       * Create an instance of the exception with all required information.
52       *
53       * @param originatingArtifact the artifact that was being resolved
54       * @param resolvedArtifacts   artifacts that could be resolved
55       * @param missingArtifacts    artifacts that could not be resolved
56       * @param remoteRepositories  remote repositories where the missing artifacts were not found
57       */
58      public MultipleArtifactsNotFoundException(
59              Artifact originatingArtifact,
60              List<Artifact> resolvedArtifacts,
61              List<Artifact> missingArtifacts,
62              List<ArtifactRepository> remoteRepositories) {
63          super(constructMessage(missingArtifacts), originatingArtifact, remoteRepositories);
64          this.resolvedArtifacts = resolvedArtifacts;
65          this.missingArtifacts = missingArtifacts;
66      }
67  
68      /**
69       * artifacts that could be resolved
70       *
71       * @return {@link List} of {@link Artifact}
72       */
73      public List<Artifact> getResolvedArtifacts() {
74          return resolvedArtifacts;
75      }
76  
77      /**
78       * artifacts that could NOT be resolved
79       *
80       * @return {@link List} of {@link Artifact}
81       */
82      public List<Artifact> getMissingArtifacts() {
83          return missingArtifacts;
84      }
85  
86      private static String constructMessage(List<Artifact> artifacts) {
87          StringBuilder buffer = new StringBuilder(256);
88  
89          buffer.append("Missing:").append(LS);
90          buffer.append("----------").append(LS);
91  
92          int counter = 0;
93  
94          for (Artifact artifact : artifacts) {
95              String message = (++counter) + ") " + artifact.getId();
96  
97              buffer.append(constructMissingArtifactMessage(
98                      message,
99                      "  ",
100                     artifact.getGroupId(),
101                     artifact.getArtifactId(),
102                     artifact.getVersion(),
103                     artifact.getType(),
104                     artifact.getClassifier(),
105                     artifact.getDownloadUrl(),
106                     artifact.getDependencyTrail()));
107         }
108 
109         buffer.append("----------").append(LS);
110 
111         int size = artifacts.size();
112 
113         buffer.append(size).append(" required artifact");
114 
115         if (size > 1) {
116             buffer.append("s are");
117         } else {
118             buffer.append(" is");
119         }
120 
121         buffer.append(" missing.").append(LS).append(LS).append("for artifact: ");
122 
123         return buffer.toString();
124     }
125 }