| /* |
| * 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. |
| */ |
| package org.eclipse.aether.util.graph.manager; |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.LinkedHashSet; |
| import java.util.Map; |
| |
| import org.eclipse.aether.artifact.Artifact; |
| import org.eclipse.aether.artifact.ArtifactProperties; |
| import org.eclipse.aether.collection.DependencyCollectionContext; |
| import org.eclipse.aether.collection.DependencyManagement; |
| import org.eclipse.aether.collection.DependencyManager; |
| import org.eclipse.aether.graph.Dependency; |
| import org.eclipse.aether.graph.Exclusion; |
| import org.eclipse.aether.util.artifact.JavaScopes; |
| |
| /** |
| * A dependency manager that mimics the way Maven 2.x works. |
| */ |
| public final class ClassicDependencyManager |
| implements DependencyManager |
| { |
| |
| private final int depth; |
| |
| private final Map<Object, String> managedVersions; |
| |
| private final Map<Object, String> managedScopes; |
| |
| private final Map<Object, Boolean> managedOptionals; |
| |
| private final Map<Object, String> managedLocalPaths; |
| |
| private final Map<Object, Collection<Exclusion>> managedExclusions; |
| |
| private int hashCode; |
| |
| /** |
| * Creates a new dependency manager without any management information. |
| */ |
| public ClassicDependencyManager() |
| { |
| this( 0, Collections.<Object, String> emptyMap(), Collections.<Object, String> emptyMap(), |
| Collections.<Object, Boolean> emptyMap(), Collections.<Object, String> emptyMap(), |
| Collections.<Object, Collection<Exclusion>> emptyMap() ); |
| } |
| |
| private ClassicDependencyManager( int depth, Map<Object, String> managedVersions, |
| Map<Object, String> managedScopes, Map<Object, Boolean> managedOptionals, |
| Map<Object, String> managedLocalPaths, |
| Map<Object, Collection<Exclusion>> managedExclusions ) |
| { |
| this.depth = depth; |
| this.managedVersions = managedVersions; |
| this.managedScopes = managedScopes; |
| this.managedOptionals = managedOptionals; |
| this.managedLocalPaths = managedLocalPaths; |
| this.managedExclusions = managedExclusions; |
| } |
| |
| public DependencyManager deriveChildManager( DependencyCollectionContext context ) |
| { |
| if ( depth >= 2 ) |
| { |
| return this; |
| } |
| else if ( depth == 1 ) |
| { |
| return new ClassicDependencyManager( depth + 1, managedVersions, managedScopes, managedOptionals, |
| managedLocalPaths, managedExclusions ); |
| } |
| |
| Map<Object, String> managedVersions = this.managedVersions; |
| Map<Object, String> managedScopes = this.managedScopes; |
| Map<Object, Boolean> managedOptionals = this.managedOptionals; |
| Map<Object, String> managedLocalPaths = this.managedLocalPaths; |
| Map<Object, Collection<Exclusion>> managedExclusions = this.managedExclusions; |
| |
| for ( Dependency managedDependency : context.getManagedDependencies() ) |
| { |
| Artifact artifact = managedDependency.getArtifact(); |
| Object key = getKey( artifact ); |
| |
| String version = artifact.getVersion(); |
| if ( version.length() > 0 && !managedVersions.containsKey( key ) ) |
| { |
| if ( managedVersions == this.managedVersions ) |
| { |
| managedVersions = new HashMap<Object, String>( this.managedVersions ); |
| } |
| managedVersions.put( key, version ); |
| } |
| |
| String scope = managedDependency.getScope(); |
| if ( scope.length() > 0 && !managedScopes.containsKey( key ) ) |
| { |
| if ( managedScopes == this.managedScopes ) |
| { |
| managedScopes = new HashMap<Object, String>( this.managedScopes ); |
| } |
| managedScopes.put( key, scope ); |
| } |
| |
| Boolean optional = managedDependency.getOptional(); |
| if ( optional != null && !managedOptionals.containsKey( key ) ) |
| { |
| if ( managedOptionals == this.managedOptionals ) |
| { |
| managedOptionals = new HashMap<Object, Boolean>( this.managedOptionals ); |
| } |
| managedOptionals.put( key, optional ); |
| } |
| |
| String localPath = managedDependency.getArtifact().getProperty( ArtifactProperties.LOCAL_PATH, null ); |
| if ( localPath != null && !managedLocalPaths.containsKey( key ) ) |
| { |
| if ( managedLocalPaths == this.managedLocalPaths ) |
| { |
| managedLocalPaths = new HashMap<Object, String>( this.managedLocalPaths ); |
| } |
| managedLocalPaths.put( key, localPath ); |
| } |
| |
| Collection<Exclusion> exclusions = managedDependency.getExclusions(); |
| if ( !exclusions.isEmpty() ) |
| { |
| if ( managedExclusions == this.managedExclusions ) |
| { |
| managedExclusions = new HashMap<Object, Collection<Exclusion>>( this.managedExclusions ); |
| } |
| Collection<Exclusion> managed = managedExclusions.get( key ); |
| if ( managed == null ) |
| { |
| managed = new LinkedHashSet<Exclusion>(); |
| managedExclusions.put( key, managed ); |
| } |
| managed.addAll( exclusions ); |
| } |
| } |
| |
| return new ClassicDependencyManager( depth + 1, managedVersions, managedScopes, managedOptionals, |
| managedLocalPaths, managedExclusions ); |
| } |
| |
| public DependencyManagement manageDependency( Dependency dependency ) |
| { |
| DependencyManagement management = null; |
| |
| Object key = getKey( dependency.getArtifact() ); |
| |
| if ( depth >= 2 ) |
| { |
| String version = managedVersions.get( key ); |
| if ( version != null ) |
| { |
| if ( management == null ) |
| { |
| management = new DependencyManagement(); |
| } |
| management.setVersion( version ); |
| } |
| |
| String scope = managedScopes.get( key ); |
| if ( scope != null ) |
| { |
| if ( management == null ) |
| { |
| management = new DependencyManagement(); |
| } |
| management.setScope( scope ); |
| |
| if ( !JavaScopes.SYSTEM.equals( scope ) |
| && dependency.getArtifact().getProperty( ArtifactProperties.LOCAL_PATH, null ) != null ) |
| { |
| Map<String, String> properties = |
| new HashMap<String, String>( dependency.getArtifact().getProperties() ); |
| properties.remove( ArtifactProperties.LOCAL_PATH ); |
| management.setProperties( properties ); |
| } |
| } |
| |
| if ( ( scope != null && JavaScopes.SYSTEM.equals( scope ) ) |
| || ( scope == null && JavaScopes.SYSTEM.equals( dependency.getScope() ) ) ) |
| { |
| String localPath = managedLocalPaths.get( key ); |
| if ( localPath != null ) |
| { |
| if ( management == null ) |
| { |
| management = new DependencyManagement(); |
| } |
| Map<String, String> properties = |
| new HashMap<String, String>( dependency.getArtifact().getProperties() ); |
| properties.put( ArtifactProperties.LOCAL_PATH, localPath ); |
| management.setProperties( properties ); |
| } |
| } |
| |
| Boolean optional = managedOptionals.get( key ); |
| if ( optional != null ) |
| { |
| if ( management == null ) |
| { |
| management = new DependencyManagement(); |
| } |
| management.setOptional( optional ); |
| } |
| } |
| |
| Collection<Exclusion> exclusions = managedExclusions.get( key ); |
| if ( exclusions != null ) |
| { |
| if ( management == null ) |
| { |
| management = new DependencyManagement(); |
| } |
| Collection<Exclusion> result = new LinkedHashSet<Exclusion>( dependency.getExclusions() ); |
| result.addAll( exclusions ); |
| management.setExclusions( result ); |
| } |
| |
| return management; |
| } |
| |
| private Object getKey( Artifact a ) |
| { |
| return new Key( a ); |
| } |
| |
| @Override |
| public boolean equals( Object obj ) |
| { |
| if ( this == obj ) |
| { |
| return true; |
| } |
| else if ( null == obj || !getClass().equals( obj.getClass() ) ) |
| { |
| return false; |
| } |
| |
| ClassicDependencyManager that = (ClassicDependencyManager) obj; |
| return depth == that.depth && managedVersions.equals( that.managedVersions ) |
| && managedScopes.equals( that.managedScopes ) && managedOptionals.equals( that.managedOptionals ) |
| && managedExclusions.equals( that.managedExclusions ); |
| } |
| |
| @Override |
| public int hashCode() |
| { |
| if ( hashCode == 0 ) |
| { |
| int hash = 17; |
| hash = hash * 31 + depth; |
| hash = hash * 31 + managedVersions.hashCode(); |
| hash = hash * 31 + managedScopes.hashCode(); |
| hash = hash * 31 + managedOptionals.hashCode(); |
| hash = hash * 31 + managedExclusions.hashCode(); |
| hashCode = hash; |
| } |
| return hashCode; |
| } |
| |
| static class Key |
| { |
| |
| private final Artifact artifact; |
| |
| private final int hashCode; |
| |
| public Key( Artifact artifact ) |
| { |
| this.artifact = artifact; |
| |
| int hash = 17; |
| hash = hash * 31 + artifact.getGroupId().hashCode(); |
| hash = hash * 31 + artifact.getArtifactId().hashCode(); |
| hashCode = hash; |
| } |
| |
| @Override |
| public boolean equals( Object obj ) |
| { |
| if ( obj == this ) |
| { |
| return true; |
| } |
| else if ( !( obj instanceof Key ) ) |
| { |
| return false; |
| } |
| Key that = (Key) obj; |
| return artifact.getArtifactId().equals( that.artifact.getArtifactId() ) |
| && artifact.getGroupId().equals( that.artifact.getGroupId() ) |
| && artifact.getExtension().equals( that.artifact.getExtension() ) |
| && artifact.getClassifier().equals( that.artifact.getClassifier() ); |
| } |
| |
| @Override |
| public int hashCode() |
| { |
| return hashCode; |
| } |
| |
| } |
| |
| } |