org.apache.maven.archiva.consumers.lucene.IndexArtifactConsumer Maven / Gradle / Ivy

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package org.apache.maven.archiva.consumers.lucene;

/*
 * 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
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import org.apache.commons.lang.StringUtils;
import org.apache.maven.archiva.configuration.ArchivaConfiguration;
import org.apache.maven.archiva.configuration.ConfigurationNames;
import org.apache.maven.archiva.configuration.RepositoryConfiguration;
import org.apache.maven.archiva.consumers.AbstractMonitoredConsumer;
import org.apache.maven.archiva.consumers.ConsumerException;
import org.apache.maven.archiva.consumers.DatabaseUnprocessedArtifactConsumer;
import org.apache.maven.archiva.indexer.RepositoryContentIndex;
import org.apache.maven.archiva.indexer.RepositoryContentIndexFactory;
import org.apache.maven.archiva.indexer.RepositoryIndexException;
import org.apache.maven.archiva.indexer.hashcodes.HashcodesRecord;
import org.apache.maven.archiva.model.ArchivaArtifact;
import org.apache.maven.archiva.model.ArchivaRepository;
import org.apache.maven.archiva.repository.ArchivaConfigurationAdaptor;
import org.apache.maven.archiva.repository.layout.BidirectionalRepositoryLayout;
import org.codehaus.plexus.personality.plexus.lifecycle.phase.Initializable;
import org.codehaus.plexus.personality.plexus.lifecycle.phase.InitializationException;
import org.codehaus.plexus.registry.Registry;
import org.codehaus.plexus.registry.RegistryListener;

import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

/**
 * IndexArtifactConsumer 
 *
 * @author Joakim Erdfelt
 * @version $Id: IndexArtifactConsumer.java 541744 2007-05-25 18:33:59Z joakime $
 * 
 * @plexus.component role="org.apache.maven.archiva.consumers.DatabaseUnprocessedArtifactConsumer"
 *                   role-hint="index-artifact"
 *                   instantiation-strategy="per-lookup"
 */
public class IndexArtifactConsumer
    extends AbstractMonitoredConsumer
    implements DatabaseUnprocessedArtifactConsumer, RegistryListener, Initializable
{
    private static final String INDEX_ERROR = "indexing_error";
    
    /**
     * @plexus.configuration default-value="index-artifact"
     */
    private String id;

    /**
     * @plexus.configuration default-value="Index the artifact checksums for Find functionality."
     */
    private String description;
    
    /**
     * @plexus.requirement
     */
    private ArchivaConfiguration configuration;

    /**
     * @plexus.requirement role="org.apache.maven.archiva.repository.layout.BidirectionalRepositoryLayout"
     */
    private Map bidirectionalLayoutMap;
    
    /**
     * @plexus.requirement role-hint="lucene"
     */
    private RepositoryContentIndexFactory indexFactory;
    
    private Map repositoryMap = new HashMap();

    public void beginScan()
    {
        /* nothing to do here */
    }

    public void completeScan()
    {
        /* nothing to do here */
    }

    public List getIncludedTypes()
    {
        return null; // TODO: define these as a list of artifacts.
    }

    public void processArchivaArtifact( ArchivaArtifact artifact )
        throws ConsumerException
    {
        HashcodesRecord record = new HashcodesRecord();
        record.setRepositoryId( artifact.getModel().getRepositoryId() );
        record.setArtifact( artifact );
        
        IndexedRepositoryDetails pnl = getIndexedRepositoryDetails( artifact );
        String artifactPath = pnl.layout.toPath( artifact );
        record.setFilename( artifactPath );
        
        try
        {
            pnl.index.modifyRecord( record );
        }
        catch ( RepositoryIndexException e )
        {
            triggerConsumerError( INDEX_ERROR, "Unable to index hashcodes: " + e.getMessage() );
        }
    }

    private IndexedRepositoryDetails getIndexedRepositoryDetails( ArchivaArtifact artifact )
    {
        String repoId = artifact.getModel().getRepositoryId();
        if ( StringUtils.isBlank( repoId ) )
        {
            throw new IllegalStateException( "Unable to process artifact [" + artifact
                + "] as it has no repository id associated with it." );
        }

        return getIndexedRepositoryDetails( repoId );
    }

    private IndexedRepositoryDetails getIndexedRepositoryDetails( String id )
    {
        return (IndexedRepositoryDetails) this.repositoryMap.get( id );
    }

    public String getDescription()
    {
        return description;
    }

    public String getId()
    {
        return id;
    }

    public boolean isPermanent()
    {
        return false;
    }

    public void afterConfigurationChange( Registry registry, String propertyName, Object propertyValue )
    {
        if ( ConfigurationNames.isRepositories( propertyName ) )
        {
            initRepositoryMap();
        }
    }

    public void beforeConfigurationChange( Registry registry, String propertyName, Object propertyValue )
    {
        /* do nothing */
    }

    public void initialize()
        throws InitializationException
    {
        initRepositoryMap();
        configuration.addChangeListener( this );
    }

    private void initRepositoryMap()
    {
        synchronized ( this.repositoryMap )
        {
            this.repositoryMap.clear();

            Iterator it = configuration.getConfiguration().getRepositories().iterator();
            while ( it.hasNext() )
            {
                RepositoryConfiguration repoconfig = (RepositoryConfiguration) it.next();
                if ( !repoconfig.isManaged() )
                {
                    continue;
                }

                ArchivaRepository repository = ArchivaConfigurationAdaptor.toArchivaRepository( repoconfig );
                IndexedRepositoryDetails pnl = new IndexedRepositoryDetails();

                pnl.path = repository.getUrl().getPath();
                pnl.layout = (BidirectionalRepositoryLayout) this.bidirectionalLayoutMap.get( repoconfig.getLayout() );
                
                pnl.index = indexFactory.createHashcodeIndex( repository );

                this.repositoryMap.put( repoconfig.getId(), pnl );
            }
        }
    }

    class IndexedRepositoryDetails
    {
        public String path;

        public BidirectionalRepositoryLayout layout;
        
        public RepositoryContentIndex index;
    }
}