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/*
* 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.
*/
package org.eclipse.aether;
import java.util.Map;
import org.eclipse.aether.artifact.ArtifactTypeRegistry;
import org.eclipse.aether.collection.DependencyGraphTransformer;
import org.eclipse.aether.collection.DependencyManager;
import org.eclipse.aether.collection.DependencySelector;
import org.eclipse.aether.collection.DependencyTraverser;
import org.eclipse.aether.collection.VersionFilter;
import org.eclipse.aether.repository.AuthenticationSelector;
import org.eclipse.aether.repository.LocalRepository;
import org.eclipse.aether.repository.LocalRepositoryManager;
import org.eclipse.aether.repository.MirrorSelector;
import org.eclipse.aether.repository.ProxySelector;
import org.eclipse.aether.repository.RepositoryPolicy;
import org.eclipse.aether.repository.WorkspaceReader;
import org.eclipse.aether.resolution.ArtifactDescriptorPolicy;
import org.eclipse.aether.resolution.ResolutionErrorPolicy;
import org.eclipse.aether.transfer.TransferListener;
import org.eclipse.aether.transform.FileTransformerManager;
/**
* Defines settings and components that control the repository system. Once initialized, the session object itself is
* supposed to be immutable and hence can safely be shared across an entire application and any concurrent threads
* reading it. Components that wish to tweak some aspects of an existing session should use the copy constructor of
* {@link DefaultRepositorySystemSession} and its mutators to derive a custom session.
*
* @noimplement This interface is not intended to be implemented by clients.
* @noextend This interface is not intended to be extended by clients.
*/
public interface RepositorySystemSession {
/**
* Indicates whether the repository system operates in offline mode and avoids/refuses any access to remote
* repositories.
*
* @return {@code true} if the repository system is in offline mode, {@code false} otherwise.
*/
boolean isOffline();
/**
* Indicates whether repositories declared in artifact descriptors should be ignored during transitive dependency
* collection. If enabled, only the repositories originally provided with the collect request will be considered.
*
* @return {@code true} if additional repositories from artifact descriptors are ignored, {@code false} to merge
* those with the originally specified repositories.
*/
boolean isIgnoreArtifactDescriptorRepositories();
/**
* Gets the policy which controls whether resolutions errors from remote repositories should be cached.
*
* @return The resolution error policy for this session or {@code null} if resolution errors should generally not be
* cached.
*/
ResolutionErrorPolicy getResolutionErrorPolicy();
/**
* Gets the policy which controls how errors related to reading artifact descriptors should be handled.
*
* @return The descriptor error policy for this session or {@code null} if descriptor errors should generally not be
* tolerated.
*/
ArtifactDescriptorPolicy getArtifactDescriptorPolicy();
/**
* Gets the global checksum policy. If set, the global checksum policy overrides the checksum policies of the remote
* repositories being used for resolution.
*
* @return The global checksum policy or {@code null}/empty if not set and the per-repository policies apply.
* @see RepositoryPolicy#CHECKSUM_POLICY_FAIL
* @see RepositoryPolicy#CHECKSUM_POLICY_IGNORE
* @see RepositoryPolicy#CHECKSUM_POLICY_WARN
*/
String getChecksumPolicy();
/**
* Gets the global update policy. If set, the global update policy overrides the update policies of the remote
* repositories being used for resolution.
*
* @return The global update policy or {@code null}/empty if not set and the per-repository policies apply.
* @see RepositoryPolicy#UPDATE_POLICY_ALWAYS
* @see RepositoryPolicy#UPDATE_POLICY_DAILY
* @see RepositoryPolicy#UPDATE_POLICY_NEVER
*/
String getUpdatePolicy();
/**
* Gets the local repository used during this session. This is a convenience method for
* {@link LocalRepositoryManager#getRepository()}.
*
* @return The local repository being during this session, never {@code null}.
*/
LocalRepository getLocalRepository();
/**
* Gets the local repository manager used during this session.
*
* @return The local repository manager used during this session, never {@code null}.
*/
LocalRepositoryManager getLocalRepositoryManager();
/**
* Gets the workspace reader used during this session. If set, the workspace reader will usually be consulted first
* to resolve artifacts.
*
* @return The workspace reader for this session or {@code null} if none.
*/
WorkspaceReader getWorkspaceReader();
/**
* Gets the listener being notified of actions in the repository system.
*
* @return The repository listener or {@code null} if none.
*/
RepositoryListener getRepositoryListener();
/**
* Gets the listener being notified of uploads/downloads by the repository system.
*
* @return The transfer listener or {@code null} if none.
*/
TransferListener getTransferListener();
/**
* Gets the system properties to use, e.g. for processing of artifact descriptors. System properties are usually
* collected from the runtime environment like {@link System#getProperties()} and environment variables.
*
* @return The (read-only) system properties, never {@code null}.
*/
Map getSystemProperties();
/**
* Gets the user properties to use, e.g. for processing of artifact descriptors. User properties are similar to
* system properties but are set on the discretion of the user and hence are considered of higher priority than
* system properties.
*
* @return The (read-only) user properties, never {@code null}.
*/
Map getUserProperties();
/**
* Gets the configuration properties used to tweak internal aspects of the repository system (e.g. thread pooling,
* connector-specific behavior, etc.)
*
* @return The (read-only) configuration properties, never {@code null}.
* @see ConfigurationProperties
*/
Map getConfigProperties();
/**
* Gets the mirror selector to use for repositories discovered in artifact descriptors. Note that this selector is
* not used for remote repositories which are passed as request parameters to the repository system, those
* repositories are supposed to denote the effective repositories.
*
* @return The mirror selector to use, never {@code null}.
* @see RepositorySystem#newResolutionRepositories(RepositorySystemSession, java.util.List)
*/
MirrorSelector getMirrorSelector();
/**
* Gets the proxy selector to use for repositories discovered in artifact descriptors. Note that this selector is
* not used for remote repositories which are passed as request parameters to the repository system, those
* repositories are supposed to have their proxy (if any) already set.
*
* @return The proxy selector to use, never {@code null}.
* @see org.eclipse.aether.repository.RemoteRepository#getProxy()
* @see RepositorySystem#newResolutionRepositories(RepositorySystemSession, java.util.List)
*/
ProxySelector getProxySelector();
/**
* Gets the authentication selector to use for repositories discovered in artifact descriptors. Note that this
* selector is not used for remote repositories which are passed as request parameters to the repository system,
* those repositories are supposed to have their authentication (if any) already set.
*
* @return The authentication selector to use, never {@code null}.
* @see org.eclipse.aether.repository.RemoteRepository#getAuthentication()
* @see RepositorySystem#newResolutionRepositories(RepositorySystemSession, java.util.List)
*/
AuthenticationSelector getAuthenticationSelector();
/**
* Gets the registry of artifact types recognized by this session, for instance when processing artifact
* descriptors.
*
* @return The artifact type registry, never {@code null}.
*/
ArtifactTypeRegistry getArtifactTypeRegistry();
/**
* Gets the dependency traverser to use for building dependency graphs.
*
* @return The dependency traverser to use for building dependency graphs or {@code null} if dependencies are
* unconditionally traversed.
*/
DependencyTraverser getDependencyTraverser();
/**
* Gets the dependency manager to use for building dependency graphs.
*
* @return The dependency manager to use for building dependency graphs or {@code null} if dependency management is
* not performed.
*/
DependencyManager getDependencyManager();
/**
* Gets the dependency selector to use for building dependency graphs.
*
* @return The dependency selector to use for building dependency graphs or {@code null} if dependencies are
* unconditionally included.
*/
DependencySelector getDependencySelector();
/**
* Gets the version filter to use for building dependency graphs.
*
* @return The version filter to use for building dependency graphs or {@code null} if versions aren't filtered.
*/
VersionFilter getVersionFilter();
/**
* Gets the dependency graph transformer to use for building dependency graphs.
*
* @return The dependency graph transformer to use for building dependency graphs or {@code null} if none.
*/
DependencyGraphTransformer getDependencyGraphTransformer();
/**
* Gets the custom data associated with this session.
*
* @return The session data, never {@code null}.
*/
SessionData getData();
/**
* Gets the cache the repository system may use to save data for future reuse during the session.
*
* @return The repository cache or {@code null} if none.
*/
RepositoryCache getCache();
/**
* Get the file transformer manager
*
* @return the manager, never {@code null}
* @deprecated Without any direct replacement for now. This API is OOM-prone, and also lacks a lot of context about
* transforming.
*/
@Deprecated
FileTransformerManager getFileTransformerManager();
}
