001package org.eclipse.aether.internal.impl.synccontext.named; 002 003/* 004 * Licensed to the Apache Software Foundation (ASF) under one 005 * or more contributor license agreements. See the NOTICE file 006 * distributed with this work for additional information 007 * regarding copyright ownership. The ASF licenses this file 008 * to you under the Apache License, Version 2.0 (the 009 * "License"); you may not use this file except in compliance 010 * with the License. You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, 015 * software distributed under the License is distributed on an 016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 017 * KIND, either express or implied. See the License for the 018 * specific language governing permissions and limitations 019 * under the License. 020 */ 021 022import java.io.IOException; 023import java.io.UncheckedIOException; 024import java.nio.file.Path; 025import java.util.Collection; 026import java.util.stream.Collectors; 027 028import org.eclipse.aether.RepositorySystemSession; 029import org.eclipse.aether.artifact.Artifact; 030import org.eclipse.aether.metadata.Metadata; 031import org.eclipse.aether.util.DirectoryUtils; 032 033import static java.util.Objects.requireNonNull; 034 035/** 036 * Wrapping {@link NameMapper} class that is file system friendly: it wraps another 037 * {@link NameMapper} and resolves the resulting "file system friendly" names against local 038 * repository basedir. 039 * 040 * @since 1.9.0 041 */ 042public class BasedirNameMapper implements NameMapper 043{ 044 private static final String CONFIG_PROP_LOCKS_DIR = "aether.syncContext.named.basedir.locksDir"; 045 046 private final NameMapper delegate; 047 048 public BasedirNameMapper( final NameMapper delegate ) 049 { 050 this.delegate = requireNonNull( delegate ); 051 } 052 053 @Override 054 public boolean isFileSystemFriendly() 055 { 056 return delegate.isFileSystemFriendly(); 057 } 058 059 @Override 060 public Collection<String> nameLocks( final RepositorySystemSession session, 061 final Collection<? extends Artifact> artifacts, 062 final Collection<? extends Metadata> metadatas ) 063 { 064 try 065 { 066 final Path basedir = DirectoryUtils.resolveDirectory( 067 session, ".locks", CONFIG_PROP_LOCKS_DIR, false ); 068 069 return delegate.nameLocks( session, artifacts, metadatas ).stream() 070 .map( name -> basedir.resolve( name ).toAbsolutePath().toString() ) 071 .collect( Collectors.toList() ); 072 } 073 catch ( IOException e ) 074 { 075 throw new UncheckedIOException( e ); 076 } 077 } 078}