| package org.apache.maven.index.locator; |
| |
| /* |
| * 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.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| |
| import org.apache.maven.index.ArtifactContext.ModelReader; |
| import org.apache.maven.index.artifact.ArtifactPackagingMapper; |
| import org.apache.maven.index.artifact.Gav; |
| import org.apache.maven.index.artifact.GavCalculator; |
| import org.apache.maven.model.Model; |
| |
| /** |
| * Artifact locator. |
| * |
| * @author Damian Bradicich |
| */ |
| public class ArtifactLocator |
| implements GavHelpedLocator |
| { |
| private final ArtifactPackagingMapper mapper; |
| |
| public ArtifactLocator( ArtifactPackagingMapper mapper ) |
| { |
| this.mapper = mapper; |
| } |
| |
| public File locate( File source, GavCalculator gavCalculator, Gav gav ) |
| { |
| // if we don't have this data, nothing we can do |
| if ( source == null || !source.exists() || gav == null || gav.getArtifactId() == null |
| || gav.getVersion() == null ) |
| { |
| return null; |
| } |
| |
| try |
| { |
| // need to read the pom model to get packaging |
| Model model = new ModelReader().readModel( new FileInputStream( source ) ); |
| |
| if ( model == null ) |
| { |
| return null; |
| } |
| |
| // now generate the artifactname |
| String artifactName = |
| gav.getArtifactId() + "-" + gav.getVersion() + "." |
| + mapper.getExtensionForPackaging( model.getPackaging() ); |
| |
| File artifact = new File( source.getParent(), artifactName ); |
| |
| if ( !artifact.exists() ) |
| { |
| return null; |
| } |
| |
| return artifact; |
| } |
| catch ( IOException e ) |
| { |
| return null; |
| } |
| } |
| } |