| package org.eclipse.aether.util.repository; |
| |
| /* |
| * 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 org.eclipse.aether.repository.Authentication; |
| import org.eclipse.aether.repository.AuthenticationSelector; |
| import org.eclipse.aether.repository.RemoteRepository; |
| |
| /** |
| * An authentication selector that delegates to another selector but only if a repository has no authentication data |
| * yet. If authentication has already been assigned to a repository, that is selected. |
| */ |
| public final class ConservativeAuthenticationSelector |
| implements AuthenticationSelector |
| { |
| |
| private final AuthenticationSelector selector; |
| |
| /** |
| * Creates a new selector that delegates to the specified selector. |
| * |
| * @param selector The selector to delegate to in case a repository has no authentication yet, must not be |
| * {@code null}. |
| */ |
| public ConservativeAuthenticationSelector( AuthenticationSelector selector ) |
| { |
| if ( selector == null ) |
| { |
| throw new IllegalArgumentException( "no authentication selector specified" ); |
| } |
| this.selector = selector; |
| } |
| |
| public Authentication getAuthentication( RemoteRepository repository ) |
| { |
| Authentication auth = repository.getAuthentication(); |
| if ( auth != null ) |
| { |
| return auth; |
| } |
| return selector.getAuthentication( repository ); |
| } |
| |
| } |