001package org.eclipse.aether.internal.impl.checksum; 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 javax.inject.Inject; 023import javax.inject.Named; 024import javax.inject.Singleton; 025 026import java.util.ArrayList; 027import java.util.HashMap; 028import java.util.List; 029import java.util.Map; 030 031import org.eclipse.aether.spi.connector.checksum.ChecksumAlgorithmFactory; 032import org.eclipse.aether.spi.connector.checksum.ChecksumAlgorithmFactorySelector; 033 034import static java.util.Objects.requireNonNull; 035import static java.util.stream.Collectors.toList; 036 037/** 038 * Default implementation. 039 * 040 * @since 1.8.0 041 */ 042@Singleton 043@Named 044public class DefaultChecksumAlgorithmFactorySelector 045 implements ChecksumAlgorithmFactorySelector 046{ 047 private final Map<String, ChecksumAlgorithmFactory> factories; 048 049 /** 050 * Default ctor for SL. 051 */ 052 @Deprecated 053 public DefaultChecksumAlgorithmFactorySelector() 054 { 055 this.factories = new HashMap<>(); 056 this.factories.put( Sha512ChecksumAlgorithmFactory.NAME, new Sha512ChecksumAlgorithmFactory() ); 057 this.factories.put( Sha256ChecksumAlgorithmFactory.NAME, new Sha256ChecksumAlgorithmFactory() ); 058 this.factories.put( Sha1ChecksumAlgorithmFactory.NAME, new Sha1ChecksumAlgorithmFactory() ); 059 this.factories.put( Md5ChecksumAlgorithmFactory.NAME, new Md5ChecksumAlgorithmFactory() ); 060 } 061 062 @Inject 063 public DefaultChecksumAlgorithmFactorySelector( Map<String, ChecksumAlgorithmFactory> factories ) 064 { 065 this.factories = requireNonNull( factories ); 066 } 067 068 @Override 069 public ChecksumAlgorithmFactory select( String algorithmName ) 070 { 071 requireNonNull( algorithmName, "algorithmMame must not be null" ); 072 ChecksumAlgorithmFactory factory = factories.get( algorithmName ); 073 if ( factory == null ) 074 { 075 throw new IllegalArgumentException( 076 String.format( "Unsupported checksum algorithm %s, supported ones are %s", 077 algorithmName, 078 getChecksumAlgorithmFactories().stream() 079 .map( ChecksumAlgorithmFactory::getName ) 080 .collect( toList() ) 081 ) 082 ); 083 } 084 return factory; 085 } 086 087 @Override 088 public List<ChecksumAlgorithmFactory> getChecksumAlgorithmFactories() 089 { 090 return new ArrayList<>( factories.values() ); 091 } 092}