package org.eclipse.aether.internal.impl;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.Arrays;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import javax.inject.Named;
import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.artifact.Artifact;
import org.eclipse.aether.metadata.Metadata;
import org.eclipse.aether.repository.RemoteRepository;
import org.eclipse.aether.spi.connector.layout.RepositoryLayout;
import org.eclipse.aether.spi.connector.layout.RepositoryLayoutFactory;
import org.eclipse.aether.transfer.NoRepositoryLayoutException;
import org.eclipse.aether.util.ConfigUtils;
@Named( "maven2" )
public final class Maven2RepositoryLayoutFactory
implements RepositoryLayoutFactory
{
static final String CONFIG_PROP_SIGNATURE_CHECKSUMS = "aether.checksums.forSignature";
static final String CONFIG_PROP_CHECKSUMS_ALGORITHMS = "aether.checksums.algorithms";
static final String DEFAULT_CHECKSUMS_ALGORITHMS = "SHA-1,MD5";
private float priority;
public float getPriority()
{
return priority;
}
public Maven2RepositoryLayoutFactory setPriority( float priority )
{
this.priority = priority;
return this;
}
public RepositoryLayout newInstance( RepositorySystemSession session, RemoteRepository repository )
throws NoRepositoryLayoutException
{
if ( !"default".equals( repository.getContentType() ) )
{
throw new NoRepositoryLayoutException( repository );
}
boolean forSignature = ConfigUtils.getBoolean( session, false, CONFIG_PROP_SIGNATURE_CHECKSUMS );
List<String> checksumsAlgorithms = Arrays.asList( ConfigUtils.getString( session,
DEFAULT_CHECKSUMS_ALGORITHMS, CONFIG_PROP_CHECKSUMS_ALGORITHMS ).split( "," ) );
return forSignature
? new Maven2RepositoryLayout( checksumsAlgorithms )
: new Maven2RepositoryLayoutEx( checksumsAlgorithms );
}
private static class Maven2RepositoryLayout
implements RepositoryLayout
{
private final List<String> checksumsAlgorithms;
protected Maven2RepositoryLayout( List<String> checksumsAlgorithms )
{
this.checksumsAlgorithms = checksumsAlgorithms;
}
private URI toUri( String path )
{
try
{
return new URI( null, null, path, null );
}
catch ( URISyntaxException e )
{
throw new IllegalStateException( e );
}
}
public URI getLocation( Artifact artifact, boolean upload )
{
StringBuilder path = new StringBuilder( 128 );
path.append( artifact.getGroupId().replace( '.', '/' ) ).append( '/' );
path.append( artifact.getArtifactId() ).append( '/' );
path.append( artifact.getBaseVersion() ).append( '/' );
path.append( artifact.getArtifactId() ).append( '-' ).append( artifact.getVersion() );
if ( artifact.getClassifier().length() > 0 )
{
path.append( '-' ).append( artifact.getClassifier() );
}
if ( artifact.getExtension().length() > 0 )
{
path.append( '.' ).append( artifact.getExtension() );
}
return toUri( path.toString() );
}
public URI getLocation( Metadata metadata, boolean upload )
{
StringBuilder path = new StringBuilder( 128 );
if ( metadata.getGroupId().length() > 0 )
{
path.append( metadata.getGroupId().replace( '.', '/' ) ).append( '/' );
if ( metadata.getArtifactId().length() > 0 )
{
path.append( metadata.getArtifactId() ).append( '/' );
if ( metadata.getVersion().length() > 0 )
{
path.append( metadata.getVersion() ).append( '/' );
}
}
}
path.append( metadata.getType() );
return toUri( path.toString() );
}
public List<Checksum> getChecksums( Artifact artifact, boolean upload, URI location )
{
return getChecksums( location );
}
public List<Checksum> getChecksums( Metadata metadata, boolean upload, URI location )
{
return getChecksums( location );
}
private List<Checksum> getChecksums( URI location )
{
List<Checksum> checksums = new ArrayList<>( checksumsAlgorithms.size() );
for ( String algorithm : checksumsAlgorithms )
{
checksums.add( Checksum.forLocation( location, algorithm ) );
}
return checksums;
}
}
private static class Maven2RepositoryLayoutEx
extends Maven2RepositoryLayout
{
protected Maven2RepositoryLayoutEx( List<String> checksumsAlgorithms )
{
super( checksumsAlgorithms );
}
@Override
public List<Checksum> getChecksums( Artifact artifact, boolean upload, URI location )
{
if ( isSignature( artifact.getExtension() ) )
{
return Collections.emptyList();
}
return super.getChecksums( artifact, upload, location );
}
private boolean isSignature( String extension )
{
return extension.endsWith( ".asc" );
}
}
}