Package org.apache.archiva.scheduler.indexing

Source Code of org.apache.archiva.scheduler.indexing.DefaultDownloadRemoteIndexScheduler

package org.apache.archiva.scheduler.indexing;
/*
* 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.archiva.admin.model.RepositoryAdminException;
import org.apache.archiva.admin.model.beans.NetworkProxy;
import org.apache.archiva.admin.model.beans.RemoteRepository;
import org.apache.archiva.admin.model.networkproxy.NetworkProxyAdmin;
import org.apache.archiva.admin.model.proxyconnector.ProxyConnectorAdmin;
import org.apache.archiva.admin.model.remote.RemoteRepositoryAdmin;
import org.apache.archiva.common.ArchivaException;
import org.apache.archiva.common.plexusbridge.MavenIndexerUtils;
import org.apache.archiva.common.plexusbridge.PlexusSisuBridge;
import org.apache.archiva.common.plexusbridge.PlexusSisuBridgeException;
import org.apache.archiva.configuration.ArchivaConfiguration;
import org.apache.archiva.configuration.ConfigurationEvent;
import org.apache.archiva.configuration.ConfigurationListener;
import org.apache.archiva.proxy.common.WagonFactory;
import org.apache.commons.lang.StringUtils;
import org.apache.maven.index.NexusIndexer;
import org.apache.maven.index.context.IndexingContext;
import org.apache.maven.index.context.UnsupportedExistingLuceneIndexException;
import org.apache.maven.index.updater.IndexUpdater;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.scheduling.TaskScheduler;
import org.springframework.scheduling.support.CronTrigger;
import org.springframework.stereotype.Service;

import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import javax.inject.Inject;
import javax.inject.Named;
import java.io.File;
import java.io.IOException;
import java.util.Date;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;

/**
* @author Olivier Lamy
* @since 1.4-M1
*/
@Service( "downloadRemoteIndexScheduler#default" )
public class DefaultDownloadRemoteIndexScheduler
    implements ConfigurationListener, DownloadRemoteIndexScheduler
{

    private Logger log = LoggerFactory.getLogger( getClass( ) );

    @Inject
    @Named( value = "taskScheduler#indexDownloadRemote" )
    private TaskScheduler taskScheduler;

    @Inject
    private ArchivaConfiguration archivaConfiguration;

    @Inject
    private WagonFactory wagonFactory;

    @Inject
    private RemoteRepositoryAdmin remoteRepositoryAdmin;

    @Inject
    private ProxyConnectorAdmin proxyConnectorAdmin;

    @Inject
    private NetworkProxyAdmin networkProxyAdmin;

    @Inject
    private PlexusSisuBridge plexusSisuBridge;

    @Inject
    private MavenIndexerUtils mavenIndexerUtils;

    private NexusIndexer nexusIndexer;

    private IndexUpdater indexUpdater;

    // store ids about currently running remote download : updated in DownloadRemoteIndexTask
    private List<String> runningRemoteDownloadIds = new CopyOnWriteArrayList<String>( );

    @PostConstruct
    public void startup( )
        throws ArchivaException, RepositoryAdminException, PlexusSisuBridgeException, IOException,
        UnsupportedExistingLuceneIndexException, DownloadRemoteIndexException
    {
        archivaConfiguration.addListener( this );
        // TODO add indexContexts even if null

        // FIXME get this from ArchivaAdministration
        String appServerBase = System.getProperty( "appserver.base" );

        nexusIndexer = plexusSisuBridge.lookup( NexusIndexer.class );

        indexUpdater = plexusSisuBridge.lookup( IndexUpdater.class );

        for ( RemoteRepository remoteRepository : remoteRepositoryAdmin.getRemoteRepositories( ) )
        {
            String contextKey = "remote-" + remoteRepository.getId( );
            if ( nexusIndexer.getIndexingContexts( ).get( contextKey ) != null )
            {
                continue;
            }
            // create path
            File repoDir = new File( appServerBase, "data/remotes/" + remoteRepository.getId( ) );
            if ( !repoDir.exists( ) )
            {
                repoDir.mkdirs( );
            }
            File indexDirectory = new File( repoDir, ".index" );
            if ( !indexDirectory.exists( ) )
            {
                indexDirectory.mkdirs( );
            }
            nexusIndexer.addIndexingContext( contextKey, remoteRepository.getId( ), repoDir, indexDirectory,
                                             remoteRepository.getUrl( ), calculateIndexRemoteUrl( remoteRepository ),
                                             mavenIndexerUtils.getAllIndexCreators( ) );
            // TODO record jobs from configuration
            if ( remoteRepository.isDownloadRemoteIndex( ) && StringUtils.isNotEmpty(
                remoteRepository.getCronExpression( ) ) )
            {
                boolean fullDownload = indexDirectory.list( ).length == 0;
                scheduleDownloadRemote( remoteRepository.getId( ), false, fullDownload );
            }
        }


    }

    @PreDestroy
    public void shutdown( )
        throws RepositoryAdminException, IOException
    {
        for ( RemoteRepository remoteRepository : remoteRepositoryAdmin.getRemoteRepositories( ) )
        {
            String contextKey = "remote-" + remoteRepository.getId( );
            IndexingContext context = nexusIndexer.getIndexingContexts( ).get( contextKey );
            if ( context == null )
            {
                continue;
            }
            nexusIndexer.removeIndexingContext( context, false );
        }
    }

    public void configurationEvent( ConfigurationEvent event )
    {
        // TODO remove jobs and add again
    }


    public void scheduleDownloadRemote( String repositoryId, boolean now, boolean fullDownload )
        throws DownloadRemoteIndexException
    {
        try
        {
            RemoteRepository remoteRepository = remoteRepositoryAdmin.getRemoteRepository( repositoryId );
            if ( remoteRepository == null )
            {
                log.warn( "ignore scheduleDownloadRemote for repo with id {} as not exists", repositoryId );
                return;
            }
            NetworkProxy networkProxy = null;
            if ( StringUtils.isNotBlank( remoteRepository.getRemoteDownloadNetworkProxyId( ) ) )
            {
                networkProxy = networkProxyAdmin.getNetworkProxy( remoteRepository.getRemoteDownloadNetworkProxyId( ) );
                if ( networkProxy == null )
                {
                    log.warn(
                        "your remote repository is configured to download remote index trought a proxy we cannot find id:{}",
                        remoteRepository.getRemoteDownloadNetworkProxyId( ) );
                }
            }

            DownloadRemoteIndexTaskRequest downloadRemoteIndexTaskRequest =
                new DownloadRemoteIndexTaskRequest( ).setRemoteRepository( remoteRepository ).setNetworkProxy(
                    networkProxy ).setFullDownload( fullDownload ).setWagonFactory( wagonFactory ).setNexusIndexer(
                    nexusIndexer ).setIndexUpdater( indexUpdater );

            if ( now )
            {
                log.info( "schedule download remote index for repository {}", remoteRepository.getId( ) );
                // do it in async
                taskScheduler.schedule(
                    new DownloadRemoteIndexTask( downloadRemoteIndexTaskRequest, this.runningRemoteDownloadIds ),
                    new Date( ) );
            }
            else
            {
                log.info( "schedule download remote index for repository {} with cron expression {}",
                          remoteRepository.getId( ), remoteRepository.getCronExpression( ) );
                taskScheduler.schedule(
                    new DownloadRemoteIndexTask( downloadRemoteIndexTaskRequest, this.runningRemoteDownloadIds ),
                    new CronTrigger( remoteRepository.getCronExpression( ) ) );
            }

        }
        catch ( RepositoryAdminException e )
        {
            log.error( e.getMessage( ), e );
            throw new DownloadRemoteIndexException( e.getMessage( ), e );
        }
    }

    protected String calculateIndexRemoteUrl( RemoteRepository remoteRepository )
    {
        if ( StringUtils.startsWith( remoteRepository.getRemoteIndexUrl( ), "http" ) )
        {
            String baseUrl = remoteRepository.getRemoteIndexUrl( );
            return baseUrl.endsWith( "/" ) ? StringUtils.substringBeforeLast( baseUrl, "/" ) : baseUrl;
        }
        String baseUrl = StringUtils.endsWith( remoteRepository.getUrl( ), "/" ) ? StringUtils.substringBeforeLast(
            remoteRepository.getUrl( ), "/" ) : remoteRepository.getUrl( );

        baseUrl = StringUtils.isEmpty( remoteRepository.getRemoteIndexUrl( ) )
            ? baseUrl + "/.index"
            : baseUrl + "/" + remoteRepository.getRemoteIndexUrl( );
        return baseUrl;

    }

    public TaskScheduler getTaskScheduler( )
    {
        return taskScheduler;
    }

    public void setTaskScheduler( TaskScheduler taskScheduler )
    {
        this.taskScheduler = taskScheduler;
    }
}
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