org.eclipse.aether.impl.MetadataResolver Maven / Gradle / Ivy
/*
* 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
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* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.eclipse.aether.impl;
import java.util.Collection;
import java.util.List;
import org.eclipse.aether.RepositorySystem;
import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.metadata.Metadata;
import org.eclipse.aether.resolution.MetadataRequest;
import org.eclipse.aether.resolution.MetadataResult;
/**
* Resolves metadata, that is gets a local filesystem path to their binary contents.
*
* @noimplement This interface is not intended to be implemented by clients.
* @noextend This interface is not intended to be extended by clients.
* @provisional This type is provisional and can be changed, moved or removed without prior notice.
*/
public interface MetadataResolver {
/**
* 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* necessary, e.g. because it hasn't been cached yet or the cache is deemed outdated.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 RepositorySystem#resolveMetadata(RepositorySystemSession, Collection)
*/
List resolveMetadata(
RepositorySystemSession session, Collection requests);
}