| /* |
| * 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.apache.maven.index; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import org.apache.maven.index.context.IndexingContext; |
| |
| /** |
| * A special reusable filter, that filters the result set to unique Repository-GroupId-ArtifactId combination, leaving |
| * out Version. There is a switch to make the Indexer-wide unique by ignoring repositories too. |
| * |
| * @author cstamas |
| * @deprecated Use {@link UniqueArtifactFilterPostprocessor} instead. |
| */ |
| public class UniqueGAArtifactFilterPostprocessor implements ArtifactInfoFilter { |
| private static final String VERSION_LATEST = "LATEST"; |
| |
| private final boolean repositoriesIgnored; |
| |
| private final Set<String> gas = new HashSet<>(); |
| |
| public UniqueGAArtifactFilterPostprocessor(boolean repositoriesIgnored) { |
| this.repositoriesIgnored = repositoriesIgnored; |
| } |
| |
| public boolean accepts(IndexingContext ctx, ArtifactInfo ai) { |
| String key = ai.getGroupId() + ai.getArtifactId() + ai.getPackaging() + ai.getClassifier(); |
| |
| if (!repositoriesIgnored) { |
| key = ai.getRepository() + key; |
| } |
| |
| if (gas.contains(key)) { |
| return false; |
| } else { |
| gas.add(key); |
| |
| postprocess(ctx, ai); |
| |
| return true; |
| } |
| } |
| |
| public void postprocess(IndexingContext ctx, ArtifactInfo ai) { |
| ai.setVersion(VERSION_LATEST); |
| |
| if (repositoriesIgnored) { |
| ai.setContext(null); |
| |
| ai.setRepository(null); |
| } |
| } |
| } |