001/*
002 * Copyright 2012-2014 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.boot.cli.compiler.grape;
018
019import java.util.ArrayList;
020import java.util.List;
021
022import org.eclipse.aether.repository.Proxy;
023import org.eclipse.aether.repository.ProxySelector;
024import org.eclipse.aether.repository.RemoteRepository;
025
026/**
027 * Composite {@link ProxySelector}.
028 *
029 * @author Dave Syer
030 * @since 1.1.0
031 */
032public class CompositeProxySelector implements ProxySelector {
033
034        private List<ProxySelector> selectors = new ArrayList<ProxySelector>();
035
036        public CompositeProxySelector(List<ProxySelector> selectors) {
037                this.selectors = selectors;
038        }
039
040        @Override
041        public Proxy getProxy(RemoteRepository repository) {
042                for (ProxySelector selector : this.selectors) {
043                        Proxy proxy = selector.getProxy(repository);
044                        if (proxy != null) {
045                                return proxy;
046                        }
047                }
048                return null;
049        }
050
051}