/*************************************************************************
* (c) Copyright 2016 Hewlett Packard Enterprise Development Company LP
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 3 of the License.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
************************************************************************/
package com.eucalyptus.portal.provider;
import java.lang.reflect.Modifier;
import org.apache.log4j.Logger;
import com.eucalyptus.bootstrap.ServiceJarDiscovery;
import com.eucalyptus.portal.common.provider.TagProvider;
/**
*
*/
public class TagProviderDiscovery extends ServiceJarDiscovery {
private static final Logger LOG = Logger.getLogger( TagProviderDiscovery.class );
@Override
public boolean processClass( Class candidate ) throws Exception {
if ( TagProvider.class.isAssignableFrom( candidate ) && !Modifier.isAbstract( candidate.getModifiers( ) ) ) {
try {
final TagProvider provider = TagProvider.class.cast( candidate.newInstance( ) );
LOG.info( "Registering tag provider for " + provider.getVendor( ) );
if ( !TagProviders.register( provider ) ) {
LOG.warn( "Duplicate tag provider for " + provider.getVendor( ) );
}
} catch( final Exception e ) {
LOG.error( "Error registering tag provider " + candidate, e );
}
return true;
}
return false;
}
@Override
public Double getPriority( ) {
return 1.0d;
}
}