| package org.apache.maven.plugins.dependency.tree; |
| |
| /* |
| * 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. |
| */ |
| |
| import org.apache.maven.project.MavenProject; |
| |
| /** |
| * Uniquely defines an artifact by groupId, artifactId and version. |
| */ |
| final class ArtifactKey |
| { |
| private final String groupId; |
| private final String artifactId; |
| private final String version; |
| |
| ArtifactKey( String groupId, String artifactId, String version ) |
| { |
| this.groupId = groupId; |
| this.artifactId = artifactId; |
| this.version = version; |
| } |
| |
| ArtifactKey( MavenProject project ) |
| { |
| this( project.getGroupId(), project.getArtifactId(), project.getVersion() ); |
| } |
| |
| @Override |
| public boolean equals( Object o ) |
| { |
| if ( this == o ) |
| { |
| return true; |
| } |
| |
| if ( !( o instanceof ArtifactKey ) ) |
| { |
| return false; |
| } |
| |
| ArtifactKey that = (ArtifactKey) o; |
| |
| return artifactId.equals( that.artifactId ) && groupId.equals( that.groupId ) && version.equals( that.version ); |
| } |
| |
| @Override |
| public int hashCode() |
| { |
| final int hashPrime = 31; |
| int result = groupId.hashCode(); |
| result = hashPrime * result + artifactId.hashCode(); |
| result = hashPrime * result + version.hashCode(); |
| return result; |
| } |
| } |