001package org.eclipse.aether; 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.Map; 023 024import org.eclipse.aether.artifact.ArtifactTypeRegistry; 025import org.eclipse.aether.collection.DependencyGraphTransformer; 026import org.eclipse.aether.collection.DependencyManager; 027import org.eclipse.aether.collection.DependencySelector; 028import org.eclipse.aether.collection.DependencyTraverser; 029import org.eclipse.aether.collection.VersionFilter; 030import org.eclipse.aether.repository.AuthenticationSelector; 031import org.eclipse.aether.repository.LocalRepository; 032import org.eclipse.aether.repository.LocalRepositoryManager; 033import org.eclipse.aether.repository.MirrorSelector; 034import org.eclipse.aether.repository.ProxySelector; 035import org.eclipse.aether.repository.WorkspaceReader; 036import org.eclipse.aether.resolution.ArtifactDescriptorPolicy; 037import org.eclipse.aether.resolution.ResolutionErrorPolicy; 038import org.eclipse.aether.transfer.TransferListener; 039import org.eclipse.aether.transform.FileTransformerManager; 040 041/** 042 * A special repository system session to enable decorating or proxying another session. To do so, clients have to 043 * create a subclass and implement {@link #getSession()}. 044 */ 045public abstract class AbstractForwardingRepositorySystemSession 046 implements RepositorySystemSession 047{ 048 049 /** 050 * Creates a new forwarding session. 051 */ 052 protected AbstractForwardingRepositorySystemSession() 053 { 054 } 055 056 /** 057 * Gets the repository system session to which this instance forwards calls. It's worth noting that this class does 058 * not save/cache the returned reference but queries this method before each forwarding. Hence, the session 059 * forwarded to may change over time or depending on the context (e.g. calling thread). 060 * 061 * @return The repository system session to forward calls to, never {@code null}. 062 */ 063 protected abstract RepositorySystemSession getSession(); 064 065 @Override 066 public boolean isOffline() 067 { 068 return getSession().isOffline(); 069 } 070 071 @Override 072 public boolean isIgnoreArtifactDescriptorRepositories() 073 { 074 return getSession().isIgnoreArtifactDescriptorRepositories(); 075 } 076 077 @Override 078 public ResolutionErrorPolicy getResolutionErrorPolicy() 079 { 080 return getSession().getResolutionErrorPolicy(); 081 } 082 083 @Override 084 public ArtifactDescriptorPolicy getArtifactDescriptorPolicy() 085 { 086 return getSession().getArtifactDescriptorPolicy(); 087 } 088 089 @Override 090 public String getChecksumPolicy() 091 { 092 return getSession().getChecksumPolicy(); 093 } 094 095 @Override 096 public String getUpdatePolicy() 097 { 098 return getSession().getUpdatePolicy(); 099 } 100 101 @Override 102 public LocalRepository getLocalRepository() 103 { 104 return getSession().getLocalRepository(); 105 } 106 107 @Override 108 public LocalRepositoryManager getLocalRepositoryManager() 109 { 110 return getSession().getLocalRepositoryManager(); 111 } 112 113 @Override 114 public WorkspaceReader getWorkspaceReader() 115 { 116 return getSession().getWorkspaceReader(); 117 } 118 119 @Override 120 public RepositoryListener getRepositoryListener() 121 { 122 return getSession().getRepositoryListener(); 123 } 124 125 @Override 126 public TransferListener getTransferListener() 127 { 128 return getSession().getTransferListener(); 129 } 130 131 @Override 132 public Map<String, String> getSystemProperties() 133 { 134 return getSession().getSystemProperties(); 135 } 136 137 @Override 138 public Map<String, String> getUserProperties() 139 { 140 return getSession().getUserProperties(); 141 } 142 143 @Override 144 public Map<String, Object> getConfigProperties() 145 { 146 return getSession().getConfigProperties(); 147 } 148 149 @Override 150 public MirrorSelector getMirrorSelector() 151 { 152 return getSession().getMirrorSelector(); 153 } 154 155 @Override 156 public ProxySelector getProxySelector() 157 { 158 return getSession().getProxySelector(); 159 } 160 161 @Override 162 public AuthenticationSelector getAuthenticationSelector() 163 { 164 return getSession().getAuthenticationSelector(); 165 } 166 167 @Override 168 public ArtifactTypeRegistry getArtifactTypeRegistry() 169 { 170 return getSession().getArtifactTypeRegistry(); 171 } 172 173 @Override 174 public DependencyTraverser getDependencyTraverser() 175 { 176 return getSession().getDependencyTraverser(); 177 } 178 179 @Override 180 public DependencyManager getDependencyManager() 181 { 182 return getSession().getDependencyManager(); 183 } 184 185 @Override 186 public DependencySelector getDependencySelector() 187 { 188 return getSession().getDependencySelector(); 189 } 190 191 @Override 192 public VersionFilter getVersionFilter() 193 { 194 return getSession().getVersionFilter(); 195 } 196 197 @Override 198 public DependencyGraphTransformer getDependencyGraphTransformer() 199 { 200 return getSession().getDependencyGraphTransformer(); 201 } 202 203 @Override 204 public SessionData getData() 205 { 206 return getSession().getData(); 207 } 208 209 @Override 210 public RepositoryCache getCache() 211 { 212 return getSession().getCache(); 213 } 214 215 @Override 216 public FileTransformerManager getFileTransformerManager() 217 { 218 return getSession().getFileTransformerManager(); 219 } 220 221}