VersionResolver.java example

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aether-core-master
/*******************************************************************************
 * 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.impl;

import org.eclipse.aether.RepositorySystem;
import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.resolution.VersionRequest;
import org.eclipse.aether.resolution.VersionResolutionException;
import org.eclipse.aether.resolution.VersionResult;

/**
 * Evaluates artifact meta/pseudo versions.
 * 
 * @provisional This type is provisional and can be changed, moved or removed without prior notice.
 */
public interface VersionResolver
{

    /**
     * Resolves an artifact's meta version (if any) to a concrete version. For example, resolves "1.0-SNAPSHOT" to
     * "1.0-20090208.132618-23" or "RELEASE"/"LATEST" to "2.0".
     * 
     * @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 RepositorySystem#resolveVersion(RepositorySystemSession, VersionRequest)
     */
    VersionResult resolveVersion( RepositorySystemSession session, VersionRequest request )
        throws VersionResolutionException;

}