| package org.apache.maven.plugin.ear.util; |
| |
| /* |
| * 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.Set; |
| import java.util.TreeSet; |
| |
| import org.apache.maven.artifact.Artifact; |
| |
| /** |
| * An artifact repository used to resolve {@link org.apache.maven.plugin.ear.EarModule}. |
| * |
| * @author <a href="snicoll@apache.org">Stephane Nicoll</a> |
| * @version $Id$ |
| */ |
| public class ArtifactRepository |
| { |
| private final Set<Artifact> artifacts; |
| |
| private final String mainArtifactId; |
| |
| private final ArtifactTypeMappingService artifactTypeMappingService; |
| |
| /** |
| * Creates a new repository wih the specified artifacts. |
| * |
| * @param artifacts the artifacts |
| * @param mainArtifactId the id to use for the main artifact (no classifier) |
| * @param artifactTypeMappingService {@link ArtifactTypeMappingService} |
| */ |
| public ArtifactRepository( Set<Artifact> artifacts, String mainArtifactId, |
| ArtifactTypeMappingService artifactTypeMappingService ) |
| { |
| this.artifacts = artifacts; |
| this.mainArtifactId = mainArtifactId; |
| this.artifactTypeMappingService = artifactTypeMappingService; |
| } |
| |
| /** |
| * Returns the artifact with the specified parameters. |
| * <p/> |
| * If the artifact is classified and is the only one with the specified groupI, artifactId and type, it will be |
| * returned. |
| * <p/> |
| * If the artifact is classified and is not the only one with the specified groupI, artifactId and type, it returns |
| * null. |
| * <p/> |
| * If the artifact is not found, it returns null. |
| * |
| * @param groupId the group id |
| * @param artifactId the artifact id |
| * @param type the type |
| * @param classifier the classifier |
| * @return the artifact or null if no artifact were found |
| */ |
| public Artifact getUniqueArtifact( String groupId, String artifactId, String type, String classifier ) |
| { |
| final Set<Artifact> candidates = getArtifacts( groupId, artifactId, type ); |
| if ( candidates.size() == 0 ) |
| { |
| return null; |
| } |
| else if ( candidates.size() == 1 && classifier == null ) |
| { |
| return candidates.iterator().next(); |
| } |
| else if ( classifier != null ) |
| { |
| for ( Artifact a : candidates ) |
| { |
| if ( a.getClassifier() == null && classifier.equals( mainArtifactId ) ) |
| { |
| return a; |
| } |
| else if ( classifier.equals( a.getClassifier() ) ) |
| { |
| return a; |
| } |
| } |
| } |
| // All other cases, classifier is null and more than one candidate ; artifact not found |
| return null; |
| } |
| |
| /** |
| * Returns the artifact with the specified parameters. |
| * <p/> |
| * If the artifact is classified and is the only one with the specified groupI, artifactId and type, it will be |
| * returned. |
| * <p/> |
| * If the artifact is classified and is not the only one with the specified groupI, artifactId and type, it returns |
| * null. |
| * <p/> |
| * If the artifact is not found, it returns null. |
| * |
| * @param groupId the group id |
| * @param artifactId the artifact id |
| * @param type the type |
| * @return the artifact or null if no artifact were found |
| */ |
| public Artifact getUniqueArtifact( String groupId, String artifactId, String type ) |
| { |
| return getUniqueArtifact( groupId, artifactId, type, null ); |
| } |
| |
| /** |
| * Returns the artifacts with the specified parameters. |
| * |
| * @param groupId the group id |
| * @param artifactId the artifact id |
| * @param type the type |
| * @return the artifacts or an empty set if no artifact were found |
| */ |
| public Set<Artifact> getArtifacts( String groupId, String artifactId, String type ) |
| { |
| final Set<Artifact> result = new TreeSet<Artifact>(); |
| for ( Artifact a : artifacts ) |
| { |
| // If the groupId, the artifactId and if the |
| // artifact's type is known, then we have found a candidate. |
| if ( a.getGroupId().equals( groupId ) && a.getArtifactId().equals( artifactId ) |
| && artifactTypeMappingService.isMappedToType( type, a.getType() ) ) |
| { |
| result.add( a ); |
| |
| } |
| } |
| return result; |
| } |
| } |