/**
* Copyright (c) 2008-2011 Sonatype, Inc.
* All rights reserved. Includes the third-party code listed at http://www.sonatype.com/products/nexus/attributions.
*
* This program is free software: you can redistribute it and/or modify it only under the terms of the GNU Affero General
* Public License Version 3 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License Version 3
* for more details.
*
* You should have received a copy of the GNU Affero General Public License Version 3 along with this program. If not, see
* http://www.gnu.org/licenses.
*
* Sonatype Nexus (TM) Open Source Version is available from Sonatype, Inc. Sonatype and Sonatype Nexus are trademarks of
* Sonatype, Inc. Apache Maven is a trademark of the Apache Foundation. M2Eclipse is a trademark of the Eclipse Foundation.
* All other trademarks are the property of their respective owners.
*/
package org.sonatype.nexus.rest.indexng;
import java.util.HashMap;
import org.apache.maven.index.ArtifactInfo;
import org.apache.maven.index.ArtifactInfoFilter;
import org.apache.maven.index.context.IndexingContext;
public abstract class AbstractLatestVersionCollector
implements ArtifactInfoFilter
{
private HashMap<String, LatestVersionHolder> lvhs = new HashMap<String, LatestVersionHolder>();
public boolean accepts( IndexingContext ctx, ArtifactInfo ai )
{
final String key = getKeyFromAi( ctx, ai );
LatestVersionHolder lvh = lvhs.get( key );
if ( lvh == null )
{
lvh = createLVH( ctx, ai );
lvhs.put( key, lvh );
}
lvh.maintainLatestVersions( ai );
return true;
}
public LatestVersionHolder getLVHForKey( String key )
{
return lvhs.get( key );
}
public abstract LatestVersionHolder createLVH( IndexingContext ctx, ArtifactInfo ai );
public abstract String getKeyFromAi( IndexingContext ctx, ArtifactInfo ai );
// ==
protected HashMap<String, LatestVersionHolder> getLvhs()
{
return lvhs;
}
}