| package org.apache.maven.plugin; |
| |
| /* |
| * 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 java.util.Iterator; |
| import java.util.List; |
| import java.util.Objects; |
| |
| import org.apache.maven.model.Dependency; |
| import org.apache.maven.model.Exclusion; |
| import org.apache.maven.model.Plugin; |
| |
| /** |
| * @author Benjamin Bentmann |
| */ |
| class CacheUtils |
| { |
| |
| /** |
| * @deprecated Use {@link Objects#equals(Object)} |
| */ |
| @Deprecated |
| public static <T> boolean eq( T s1, T s2 ) |
| { |
| return Objects.equals( s1, s2 ); |
| } |
| |
| /** |
| * @deprecated Use {@link Objects#hashCode(Object)} |
| */ |
| @Deprecated |
| public static int hash( Object obj ) |
| { |
| return obj != null ? obj.hashCode() : 0; |
| } |
| |
| public static int pluginHashCode( Plugin plugin ) |
| { |
| int hash = 17; |
| |
| hash = hash * 31 + Objects.hashCode( plugin.getGroupId() ); |
| hash = hash * 31 + Objects.hashCode( plugin.getArtifactId() ); |
| hash = hash * 31 + Objects.hashCode( plugin.getVersion() ); |
| |
| hash = hash * 31 + ( plugin.isExtensions() ? 1 : 0 ); |
| |
| for ( Dependency dependency : plugin.getDependencies() ) |
| { |
| hash = hash * 31 + Objects.hashCode( dependency.getGroupId() ); |
| hash = hash * 31 + Objects.hashCode( dependency.getArtifactId() ); |
| hash = hash * 31 + Objects.hashCode( dependency.getVersion() ); |
| hash = hash * 31 + Objects.hashCode( dependency.getType() ); |
| hash = hash * 31 + Objects.hashCode( dependency.getClassifier() ); |
| hash = hash * 31 + Objects.hashCode( dependency.getScope() ); |
| |
| for ( Exclusion exclusion : dependency.getExclusions() ) |
| { |
| hash = hash * 31 + Objects.hashCode( exclusion.getGroupId() ); |
| hash = hash * 31 + Objects.hashCode( exclusion.getArtifactId() ); |
| } |
| } |
| |
| return hash; |
| } |
| |
| public static boolean pluginEquals( Plugin a, Plugin b ) |
| { |
| return Objects.equals( a.getArtifactId(), b.getArtifactId() ) // |
| && Objects.equals( a.getGroupId(), b.getGroupId() ) // |
| && Objects.equals( a.getVersion(), b.getVersion() ) // |
| && a.isExtensions() == b.isExtensions() // |
| && dependenciesEquals( a.getDependencies(), b.getDependencies() ); |
| } |
| |
| private static boolean dependenciesEquals( List<Dependency> a, List<Dependency> b ) |
| { |
| if ( a.size() != b.size() ) |
| { |
| return false; |
| } |
| |
| Iterator<Dependency> aI = a.iterator(); |
| Iterator<Dependency> bI = b.iterator(); |
| |
| while ( aI.hasNext() ) |
| { |
| Dependency aD = aI.next(); |
| Dependency bD = bI.next(); |
| |
| boolean r = Objects.equals( aD.getGroupId(), bD.getGroupId() ) // |
| && Objects.equals( aD.getArtifactId(), bD.getArtifactId() ) // |
| && Objects.equals( aD.getVersion(), bD.getVersion() ) // |
| && Objects.equals( aD.getType(), bD.getType() ) // |
| && Objects.equals( aD.getClassifier(), bD.getClassifier() ) // |
| && Objects.equals( aD.getScope(), bD.getScope() ); |
| |
| r &= exclusionsEquals( aD.getExclusions(), bD.getExclusions() ); |
| |
| if ( !r ) |
| { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| private static boolean exclusionsEquals( List<Exclusion> a, List<Exclusion> b ) |
| { |
| if ( a.size() != b.size() ) |
| { |
| return false; |
| } |
| |
| Iterator<Exclusion> aI = a.iterator(); |
| Iterator<Exclusion> bI = b.iterator(); |
| |
| while ( aI.hasNext() ) |
| { |
| Exclusion aD = aI.next(); |
| Exclusion bD = bI.next(); |
| |
| boolean r = Objects.equals( aD.getGroupId(), bD.getGroupId() ) // |
| && Objects.equals( aD.getArtifactId(), bD.getArtifactId() ); |
| |
| if ( !r ) |
| { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| } |