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package org.sonatype.aether;
/*******************************************************************************
* Copyright (c) 2010-2011 Sonatype, Inc.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*******************************************************************************/
import java.util.Map;
import org.sonatype.aether.artifact.ArtifactTypeRegistry;
import org.sonatype.aether.collection.DependencyGraphTransformer;
import org.sonatype.aether.collection.DependencyManager;
import org.sonatype.aether.collection.DependencySelector;
import org.sonatype.aether.collection.DependencyTraverser;
import org.sonatype.aether.repository.AuthenticationSelector;
import org.sonatype.aether.repository.LocalRepository;
import org.sonatype.aether.repository.LocalRepositoryManager;
import org.sonatype.aether.repository.MirrorSelector;
import org.sonatype.aether.repository.ProxySelector;
import org.sonatype.aether.repository.RepositoryPolicy;
import org.sonatype.aether.repository.WorkspaceReader;
import org.sonatype.aether.transfer.TransferListener;
/**
* Defines settings and components that control the repository system.
*
* @author Benjamin Bentmann
*/
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 transfer errors (e.g. unreachable host, bad authentication) from resolution attempts should be
* cached in the local repository. If caching is enabled, resolution will not be reattempted until the update policy
* for the affected resource has expired.
*
* @return {@code true} if transfer errors are cached, {@code false} to always reattempt downloading.
*/
boolean isTransferErrorCachingEnabled();
/**
* Indicates whether missing artifacts/metadata from resolution attempts should be cached in the local repository.
* If caching is enabled, resolution will not be reattempted until the update policy for the affected resource has
* expired.
*
* @return {@code true} if missing resources are cached, {@code false} to always reattempt downloading.
*/
boolean isNotFoundCachingEnabled();
/**
* Indicates whether missing artifact descriptors are silently ignored. If enabled and no artifact descriptor is
* available, an empty stub descriptor is used instead.
*
* @return {@code true} if missing artifact descriptors are ignored, {@code false} to fail the operation with an
* exception.
*/
boolean isIgnoreMissingArtifactDescriptor();
/**
* Indicates whether invalid artifact descriptors are silently ignored. If enabled and an artifact descriptor is
* invalid, an empty stub descriptor is used instead.
*
* @return {@code true} if invalid artifact descriptors are ignored, {@code false} to fail the operation with an
* exception.
*/
boolean isIgnoreInvalidArtifactDescriptor();
/**
* 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}.
*/
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.sonatype.aether.repository.RemoteRepository#getProxy()
*/
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.sonatype.aether.repository.RemoteRepository#getAuthentication()
*/
AuthenticationSelector getAuthenticationSelector();
/**
* Gets the registry of artifact types recognized by this session.
*
* @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, never {@code null}.
*/
DependencyTraverser getDependencyTraverser();
/**
* Gets the dependency manager to use for building dependency graphs.
*
* @return The dependency manager to use for building dependency graphs, never {@code null}.
*/
DependencyManager getDependencyManager();
/**
* Gets the dependency selector to use for building dependency graphs.
*
* @return The dependency selector to use for building dependency graphs, never {@code null}.
*/
DependencySelector getDependencySelector();
/**
* Gets the dependency graph transformer to use for building dependency graphs.
*
* @return The dependency graph transformer to use for building dependency graphs, never {@code null}.
*/
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();
}
