001package org.eclipse.aether.util.repository;
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.HashMap;
023import java.util.Map;
024
025import org.eclipse.aether.repository.Authentication;
026import org.eclipse.aether.repository.AuthenticationSelector;
027import org.eclipse.aether.repository.RemoteRepository;
028
029import static java.util.Objects.requireNonNull;
030
031/**
032 * A simple authentication selector that selects authentication based on repository identifiers.
033 */
034public final class DefaultAuthenticationSelector
035    implements AuthenticationSelector
036{
037
038    private final Map<String, Authentication> repos = new HashMap<>();
039
040    /**
041     * Adds the specified authentication info for the given repository identifier.
042     * 
043     * @param id The identifier of the repository to add the authentication for, must not be {@code null}.
044     * @param auth The authentication to add, may be {@code null}.
045     * @return This selector for chaining, never {@code null}.
046     */
047    public DefaultAuthenticationSelector add( String id, Authentication auth )
048    {
049        if ( auth != null )
050        {
051            repos.put( id, auth );
052        }
053        else
054        {
055            repos.remove( id );
056        }
057
058        return this;
059    }
060
061    public Authentication getAuthentication( RemoteRepository repository )
062    {
063        requireNonNull( repository, "repository cannot be null" );
064        return repos.get( repository.getId() );
065    }
066
067}