AbstractMavenGroupRepository.java

/**
 * 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.proxy.maven;

import java.io.InputStream;
import java.util.Arrays;
import java.util.Map;

import org.apache.maven.index.artifact.ArtifactPackagingMapper;
import org.codehaus.plexus.component.annotations.Requirement;
import org.sonatype.nexus.proxy.AccessDeniedException;
import org.sonatype.nexus.proxy.IllegalOperationException;
import org.sonatype.nexus.proxy.ItemNotFoundException;
import org.sonatype.nexus.proxy.ResourceStoreRequest;
import org.sonatype.nexus.proxy.StorageException;
import org.sonatype.nexus.proxy.item.AbstractStorageItem;
import org.sonatype.nexus.proxy.item.StorageItem;
import org.sonatype.nexus.proxy.repository.AbstractGroupRepository;
import org.sonatype.nexus.proxy.repository.DefaultRepositoryKind;
import org.sonatype.nexus.proxy.repository.GroupRepository;
import org.sonatype.nexus.proxy.repository.Repository;
import org.sonatype.nexus.proxy.repository.RepositoryKind;
import org.sonatype.nexus.proxy.storage.UnsupportedStorageOperationException;

public abstract class AbstractMavenGroupRepository
    extends AbstractGroupRepository
    implements MavenGroupRepository
{
    /**
     * Metadata manager.
     */
    @Requirement
    private MetadataManager metadataManager;

    /**
     * The artifact packaging mapper.
     */
    @Requirement
    private ArtifactPackagingMapper artifactPackagingMapper;

    private ArtifactStoreHelper artifactStoreHelper;

    private RepositoryKind repositoryKind;

    @Override
    protected AbstractMavenGroupRepositoryConfiguration getExternalConfiguration( boolean forWrite )
    {
        return (AbstractMavenGroupRepositoryConfiguration) super.getExternalConfiguration( forWrite );
    }

    public RepositoryKind getRepositoryKind()
    {
        if ( repositoryKind == null )
        {
            repositoryKind =
                new DefaultRepositoryKind( GroupRepository.class,
                    Arrays.asList( new Class<?>[] { MavenGroupRepository.class } ) );
        }
        return repositoryKind;
    }

    public boolean isMergeMetadata()
    {
        return getExternalConfiguration( false ).isMergeMetadata();
    }

    public void setMergeMetadata( boolean mergeMetadata )
    {
        getExternalConfiguration( true ).setMergeMetadata( mergeMetadata );
    }

    public ArtifactPackagingMapper getArtifactPackagingMapper()
    {
        return artifactPackagingMapper;
    }

    public ArtifactStoreHelper getArtifactStoreHelper()
    {
        if ( artifactStoreHelper == null )
        {
            artifactStoreHelper = new ArtifactStoreHelper( this );
        }

        return artifactStoreHelper;
    }

    public MetadataManager getMetadataManager()
    {
        return metadataManager;
    }

    public boolean recreateMavenMetadata( ResourceStoreRequest request )
    {
        if ( !getLocalStatus().shouldServiceRequest() )
        {
            return false;
        }

        boolean result = false;

        for ( Repository repository : getMemberRepositories() )
        {
            if ( repository.getRepositoryKind().isFacetAvailable( MavenRepository.class ) )
            {
                result |= ( (MavenRepository) repository ).recreateMavenMetadata( request );
            }
        }

        return result;
    }

    public RepositoryPolicy getRepositoryPolicy()
    {
        return RepositoryPolicy.MIXED;
    }

    public void setRepositoryPolicy( RepositoryPolicy repositoryPolicy )
    {
        throw new UnsupportedOperationException(
            "Setting repository policy on a Maven group repository is not possible!" );
    }

    public boolean isMavenArtifact( StorageItem item )
    {
        return isMavenArtifactPath( item.getPath() );
    }

    public boolean isMavenMetadata( StorageItem item )
    {
        return isMavenMetadataPath( item.getPath() );
    }

    public boolean isMavenArtifactPath( String path )
    {
        return getGavCalculator().pathToGav( path ) != null;
    }

    public abstract boolean isMavenMetadataPath( String path );

    public void storeItemWithChecksums( ResourceStoreRequest request, InputStream is, Map<String, String> userAttributes )
        throws UnsupportedStorageOperationException, ItemNotFoundException, IllegalOperationException,
        StorageException, AccessDeniedException
    {
        getArtifactStoreHelper().storeItemWithChecksums( request, is, userAttributes );
    }

    public void storeItemWithChecksums( boolean fromTask, AbstractStorageItem item )
        throws UnsupportedStorageOperationException, IllegalOperationException, StorageException
    {
        getArtifactStoreHelper().storeItemWithChecksums( fromTask, item );
    }

    public void deleteItemWithChecksums( ResourceStoreRequest request )
        throws UnsupportedStorageOperationException, ItemNotFoundException, IllegalOperationException,
        StorageException, AccessDeniedException
    {
        getArtifactStoreHelper().deleteItemWithChecksums( request );
    }

    public void deleteItemWithChecksums( boolean fromTask, ResourceStoreRequest request )
        throws UnsupportedStorageOperationException, IllegalOperationException, ItemNotFoundException, StorageException
    {
        getArtifactStoreHelper().deleteItemWithChecksums( fromTask, request );
    }

}