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.util.Collection; 023import java.util.Collections; 024 025import org.eclipse.aether.RepositorySystemSession; 026import org.eclipse.aether.artifact.Artifact; 027import org.eclipse.aether.metadata.Metadata; 028 029/** 030 * Static {@link NameMapper}, always assigns one same name, effectively becoming equivalent to "static" sync context: 031 * always maps ANY input to same name. 032 */ 033public class StaticNameMapper implements NameMapper 034{ 035 @Override 036 public boolean isFileSystemFriendly() 037 { 038 return true; 039 } 040 041 @Override 042 public Collection<String> nameLocks( final RepositorySystemSession session, 043 final Collection<? extends Artifact> artifacts, 044 final Collection<? extends Metadata> metadatas ) 045 { 046 if ( ( artifacts != null && !artifacts.isEmpty() ) || ( metadatas != null && !metadatas.isEmpty() ) ) 047 { 048 return Collections.singletonList( "static" ); 049 } 050 else 051 { 052 return Collections.emptyList(); 053 } 054 } 055}