001package org.eclipse.aether.internal.impl; 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.regex.Pattern; 023 024import javax.inject.Inject; 025import javax.inject.Named; 026 027import org.eclipse.aether.RepositorySystemSession; 028import org.eclipse.aether.impl.OfflineController; 029import org.eclipse.aether.repository.RemoteRepository; 030import org.eclipse.aether.spi.locator.Service; 031import org.eclipse.aether.spi.locator.ServiceLocator; 032import org.eclipse.aether.spi.log.Logger; 033import org.eclipse.aether.spi.log.LoggerFactory; 034import org.eclipse.aether.spi.log.NullLoggerFactory; 035import org.eclipse.aether.transfer.RepositoryOfflineException; 036import org.eclipse.aether.util.ConfigUtils; 037 038/** 039 * 040 */ 041@Named 042public class DefaultOfflineController 043 implements OfflineController, Service 044{ 045 046 static final String CONFIG_PROP_OFFLINE_PROTOCOLS = "aether.offline.protocols"; 047 048 static final String CONFIG_PROP_OFFLINE_HOSTS = "aether.offline.hosts"; 049 050 private static final Pattern SEP = Pattern.compile( "\\s*,\\s*" ); 051 052 private Logger logger = NullLoggerFactory.LOGGER; 053 054 public DefaultOfflineController() 055 { 056 // enables default constructor 057 } 058 059 @Inject 060 DefaultOfflineController( LoggerFactory loggerFactory ) 061 { 062 setLoggerFactory( loggerFactory ); 063 } 064 065 public void initService( ServiceLocator locator ) 066 { 067 setLoggerFactory( locator.getService( LoggerFactory.class ) ); 068 } 069 070 public DefaultOfflineController setLoggerFactory( LoggerFactory loggerFactory ) 071 { 072 this.logger = NullLoggerFactory.getSafeLogger( loggerFactory, getClass() ); 073 return this; 074 } 075 076 public void checkOffline( RepositorySystemSession session, RemoteRepository repository ) 077 throws RepositoryOfflineException 078 { 079 if ( isOfflineProtocol( session, repository ) || isOfflineHost( session, repository ) ) 080 { 081 return; 082 } 083 084 throw new RepositoryOfflineException( repository ); 085 } 086 087 private boolean isOfflineProtocol( RepositorySystemSession session, RemoteRepository repository ) 088 { 089 String[] protocols = getConfig( session, CONFIG_PROP_OFFLINE_PROTOCOLS ); 090 if ( protocols != null ) 091 { 092 String protocol = repository.getProtocol(); 093 if ( protocol.length() > 0 ) 094 { 095 for ( String p : protocols ) 096 { 097 if ( p.equalsIgnoreCase( protocol ) ) 098 { 099 return true; 100 } 101 } 102 } 103 } 104 return false; 105 } 106 107 private boolean isOfflineHost( RepositorySystemSession session, RemoteRepository repository ) 108 { 109 String[] hosts = getConfig( session, CONFIG_PROP_OFFLINE_HOSTS ); 110 if ( hosts != null ) 111 { 112 String host = repository.getHost(); 113 if ( host.length() > 0 ) 114 { 115 for ( String h : hosts ) 116 { 117 if ( h.equalsIgnoreCase( host ) ) 118 { 119 return true; 120 } 121 } 122 } 123 } 124 return false; 125 } 126 127 private String[] getConfig( RepositorySystemSession session, String key ) 128 { 129 String value = ConfigUtils.getString( session, "", key ).trim(); 130 if ( value.length() <= 0 ) 131 { 132 return null; 133 } 134 return SEP.split( value ); 135 } 136 137}