1 package org.apache.maven.index.updater;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import java.io.IOException;
23
24 import org.apache.maven.index.packer.IndexPacker;
25
26 /**
27 * An index updater provides functionality to update index for remote repositories using transfer format produced by the
28 * {@link IndexPacker}.
29 * <p>
30 * The following snippet shows how to update/download remote index:
31 *
32 * <pre>
33 * IndexingContext context = indexer.getIndexingContexts().get( indexId );
34 * Settings settings = embedder.getSettings();
35 * Proxy proxy = settings.getActiveProxy();
36 * ProxyInfo proxyInfo = null;
37 * if ( proxy != null )
38 * {
39 * proxyInfo = new ProxyInfo();
40 * proxyInfo.setHost( proxy.getHost() );
41 * proxyInfo.setPort( proxy.getPort() );
42 * proxyInfo.setNonProxyHosts( proxy.getNonProxyHosts() );
43 * proxyInfo.setUserName( proxy.getUsername() );
44 * proxyInfo.setPassword( proxy.getPassword() );
45 * }
46 *
47 * Date indexTime = updater.fetchAndUpdateIndex( context, transferListener, proxyInfo );
48 * ...
49 * </pre>
50 *
51 * @author Jason van Zyl
52 * @author Eugene Kuleshov
53 */
54 public interface IndexUpdater
55 {
56 /**
57 * @return IndexUpdateResult
58 */
59 IndexUpdateResult fetchAndUpdateIndex( IndexUpdateRequest updateRequest )
60 throws IOException;
61 }