org.eclipse.aether.RepositorySystem Maven / Gradle / Ivy
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/*******************************************************************************
* Copyright (c) 2010, 2014 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
*
* Contributors:
* Sonatype, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.aether;
import java.util.Collection;
import java.util.List;
import org.eclipse.aether.artifact.Artifact;
import org.eclipse.aether.collection.CollectRequest;
import org.eclipse.aether.collection.CollectResult;
import org.eclipse.aether.collection.DependencyCollectionException;
import org.eclipse.aether.deployment.DeployRequest;
import org.eclipse.aether.deployment.DeployResult;
import org.eclipse.aether.deployment.DeploymentException;
import org.eclipse.aether.installation.InstallRequest;
import org.eclipse.aether.installation.InstallResult;
import org.eclipse.aether.installation.InstallationException;
import org.eclipse.aether.metadata.Metadata;
import org.eclipse.aether.repository.LocalRepository;
import org.eclipse.aether.repository.LocalRepositoryManager;
import org.eclipse.aether.repository.RemoteRepository;
import org.eclipse.aether.resolution.ArtifactDescriptorException;
import org.eclipse.aether.resolution.ArtifactDescriptorRequest;
import org.eclipse.aether.resolution.ArtifactDescriptorResult;
import org.eclipse.aether.resolution.ArtifactRequest;
import org.eclipse.aether.resolution.ArtifactResolutionException;
import org.eclipse.aether.resolution.ArtifactResult;
import org.eclipse.aether.resolution.DependencyRequest;
import org.eclipse.aether.resolution.DependencyResolutionException;
import org.eclipse.aether.resolution.DependencyResult;
import org.eclipse.aether.resolution.MetadataRequest;
import org.eclipse.aether.resolution.MetadataResult;
import org.eclipse.aether.resolution.VersionRangeRequest;
import org.eclipse.aether.resolution.VersionRangeResolutionException;
import org.eclipse.aether.resolution.VersionRangeResult;
import org.eclipse.aether.resolution.VersionRequest;
import org.eclipse.aether.resolution.VersionResolutionException;
import org.eclipse.aether.resolution.VersionResult;
/**
* The main entry point to the repository system and its functionality. Note that obtaining a concrete implementation of
* this interface (e.g. via dependency injection, service locator, etc.) is dependent on the application and its
* specific needs, please consult the online documentation for examples and directions on booting the system.
*
* @noimplement This interface is not intended to be implemented by clients.
* @noextend This interface is not intended to be extended by clients.
*/
public interface RepositorySystem
{
/**
* Expands a version range to a list of matching versions, in ascending order. For example, resolves "[3.8,4.0)" to
* "3.8", "3.8.1", "3.8.2". Note that the returned list of versions is only dependent on the configured repositories
* and their contents, the list is not processed by the {@link RepositorySystemSession#getVersionFilter() session's
* version filter}.
*
* The supplied request may also refer to a single concrete version rather than a version range. In this case
* though, the result contains simply the (parsed) input version, regardless of the repositories and their contents.
*
* @param session The repository session, must not be {@code null}.
* @param request The version range request, must not be {@code null}.
* @return The version range result, never {@code null}.
* @throws VersionRangeResolutionException If the requested range could not be parsed. Note that an empty range does
* not raise an exception.
* @see #newResolutionRepositories(RepositorySystemSession, List)
*/
VersionRangeResult resolveVersionRange( RepositorySystemSession session, VersionRangeRequest request )
throws VersionRangeResolutionException;
/**
* Resolves an artifact's meta version (if any) to a concrete version. For example, resolves "1.0-SNAPSHOT" to
* "1.0-20090208.132618-23".
*
* @param session The repository session, must not be {@code null}.
* @param request The version request, must not be {@code null}.
* @return The version result, never {@code null}.
* @throws VersionResolutionException If the metaversion could not be resolved.
* @see #newResolutionRepositories(RepositorySystemSession, List)
*/
VersionResult resolveVersion( RepositorySystemSession session, VersionRequest request )
throws VersionResolutionException;
/**
* Gets information about an artifact like its direct dependencies and potential relocations.
*
* @param session The repository session, must not be {@code null}.
* @param request The descriptor request, must not be {@code null}.
* @return The descriptor result, never {@code null}.
* @throws ArtifactDescriptorException If the artifact descriptor could not be read.
* @see RepositorySystemSession#getArtifactDescriptorPolicy()
* @see #newResolutionRepositories(RepositorySystemSession, List)
*/
ArtifactDescriptorResult readArtifactDescriptor( RepositorySystemSession session, ArtifactDescriptorRequest request )
throws ArtifactDescriptorException;
/**
* Collects the transitive dependencies of an artifact and builds a dependency graph. Note that this operation is
* only concerned about determining the coordinates of the transitive dependencies. To also resolve the actual
* artifact files, use {@link #resolveDependencies(RepositorySystemSession, DependencyRequest)}.
*
* @param session The repository session, must not be {@code null}.
* @param request The collection request, must not be {@code null}.
* @return The collection result, never {@code null}.
* @throws DependencyCollectionException If the dependency tree could not be built.
* @see RepositorySystemSession#getDependencyTraverser()
* @see RepositorySystemSession#getDependencyManager()
* @see RepositorySystemSession#getDependencySelector()
* @see RepositorySystemSession#getVersionFilter()
* @see RepositorySystemSession#getDependencyGraphTransformer()
* @see #newResolutionRepositories(RepositorySystemSession, List)
*/
CollectResult collectDependencies( RepositorySystemSession session, CollectRequest request )
throws DependencyCollectionException;
/**
* Collects and resolves the transitive dependencies of an artifact. This operation is essentially a combination of
* {@link #collectDependencies(RepositorySystemSession, CollectRequest)} and
* {@link #resolveArtifacts(RepositorySystemSession, Collection)}.
*
* @param session The repository session, must not be {@code null}.
* @param request The dependency request, must not be {@code null}.
* @return The dependency result, never {@code null}.
* @throws DependencyResolutionException If the dependency tree could not be built or any dependency artifact could
* not be resolved.
* @see #newResolutionRepositories(RepositorySystemSession, List)
*/
DependencyResult resolveDependencies( RepositorySystemSession session, DependencyRequest request )
throws DependencyResolutionException;
/**
* Resolves the path for an artifact. The artifact will be downloaded to the local repository if necessary. An
* artifact that is already resolved will be skipped and is not re-resolved. In general, callers must not assume any
* relationship between an artifact's resolved filename and its coordinates. Note that this method assumes that any
* relocations have already been processed.
*
* @param session The repository session, must not be {@code null}.
* @param request The resolution request, must not be {@code null}.
* @return The resolution result, never {@code null}.
* @throws ArtifactResolutionException If the artifact could not be resolved.
* @see Artifact#getFile()
* @see #newResolutionRepositories(RepositorySystemSession, List)
*/
ArtifactResult resolveArtifact( RepositorySystemSession session, ArtifactRequest request )
throws ArtifactResolutionException;
/**
* Resolves the paths for a collection of artifacts. Artifacts will be downloaded to the local repository if
* necessary. Artifacts that are already resolved will be skipped and are not re-resolved. In general, callers must
* not assume any relationship between an artifact's filename and its coordinates. Note that this method assumes
* that any relocations have already been processed.
*
* @param session The repository session, must not be {@code null}.
* @param requests The resolution requests, must not be {@code null}.
* @return The resolution results (in request order), never {@code null}.
* @throws ArtifactResolutionException If any artifact could not be resolved.
* @see Artifact#getFile()
* @see #newResolutionRepositories(RepositorySystemSession, List)
*/
List resolveArtifacts( RepositorySystemSession session,
Collection requests )
throws ArtifactResolutionException;
/**
* Resolves the paths for a collection of metadata. Metadata will be downloaded to the local repository if
* necessary, e.g. because it hasn't been cached yet or the cache is deemed outdated.
*
* @param session The repository session, must not be {@code null}.
* @param requests The resolution requests, must not be {@code null}.
* @return The resolution results (in request order), never {@code null}.
* @see Metadata#getFile()
* @see #newResolutionRepositories(RepositorySystemSession, List)
*/
List resolveMetadata( RepositorySystemSession session,
Collection requests );
/**
* Installs a collection of artifacts and their accompanying metadata to the local repository.
*
* @param session The repository session, must not be {@code null}.
* @param request The installation request, must not be {@code null}.
* @return The installation result, never {@code null}.
* @throws InstallationException If any artifact/metadata from the request could not be installed.
*/
InstallResult install( RepositorySystemSession session, InstallRequest request )
throws InstallationException;
/**
* Uploads a collection of artifacts and their accompanying metadata to a remote repository.
*
* @param session The repository session, must not be {@code null}.
* @param request The deployment request, must not be {@code null}.
* @return The deployment result, never {@code null}.
* @throws DeploymentException If any artifact/metadata from the request could not be deployed.
* @see #newDeploymentRepository(RepositorySystemSession, RemoteRepository)
*/
DeployResult deploy( RepositorySystemSession session, DeployRequest request )
throws DeploymentException;
/**
* Creates a new manager for the specified local repository. If the specified local repository has no type, the
* default local repository type of the system will be used. Note: It is expected that this method
* invocation is one of the last steps of setting up a new session, in particular any configuration properties
* should have been set already.
*
* @param session The repository system session from which to configure the manager, must not be {@code null}.
* @param localRepository The local repository to create a manager for, must not be {@code null}.
* @return The local repository manager, never {@code null}.
* @throws IllegalArgumentException If the specified repository type is not recognized or no base directory is
* given.
*/
LocalRepositoryManager newLocalRepositoryManager( RepositorySystemSession session, LocalRepository localRepository );
/**
* Creates a new synchronization context.
*
* @param session The repository session during which the context will be used, must not be {@code null}.
* @param shared A flag indicating whether access to the artifacts/metadata associated with the new context can be
* shared among concurrent readers or whether access needs to be exclusive to the calling thread.
* @return The synchronization context, never {@code null}.
*/
SyncContext newSyncContext( RepositorySystemSession session, boolean shared );
/**
* Forms remote repositories suitable for artifact resolution by applying the session's authentication selector and
* similar network configuration to the given repository prototypes. As noted for
* {@link RepositorySystemSession#getAuthenticationSelector()} etc. the remote repositories passed to e.g.
* {@link #resolveArtifact(RepositorySystemSession, ArtifactRequest) resolveArtifact()} are used as is and expected
* to already carry any required authentication or proxy configuration. This method can be used to apply the
* authentication/proxy configuration from a session to a bare repository definition to obtain the complete
* repository definition for use in the resolution request.
*
* @param session The repository system session from which to configure the repositories, must not be {@code null}.
* @param repositories The repository prototypes from which to derive the resolution repositories, must not be
* {@code null} or contain {@code null} elements.
* @return The resolution repositories, never {@code null}. Note that there is generally no 1:1 relationship of the
* obtained repositories to the original inputs due to mirror selection potentially aggregating multiple
* repositories.
* @see #newDeploymentRepository(RepositorySystemSession, RemoteRepository)
*/
List newResolutionRepositories( RepositorySystemSession session,
List repositories );
/**
* Forms a remote repository suitable for artifact deployment by applying the session's authentication selector and
* similar network configuration to the given repository prototype. As noted for
* {@link RepositorySystemSession#getAuthenticationSelector()} etc. the remote repository passed to
* {@link #deploy(RepositorySystemSession, DeployRequest) deploy()} is used as is and expected to already carry any
* required authentication or proxy configuration. This method can be used to apply the authentication/proxy
* configuration from a session to a bare repository definition to obtain the complete repository definition for use
* in the deploy request.
*
* @param session The repository system session from which to configure the repository, must not be {@code null}.
* @param repository The repository prototype from which to derive the deployment repository, must not be
* {@code null}.
* @return The deployment repository, never {@code null}.
* @see #newResolutionRepositories(RepositorySystemSession, List)
*/
RemoteRepository newDeploymentRepository( RepositorySystemSession session, RemoteRepository repository );
}