/*************************************************************************
* Copyright 2009-2012 Eucalyptus Systems, Inc.
*
* 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/.
*
* Please contact Eucalyptus Systems, Inc., 6755 Hollister Ave., Goleta
* CA 93117, USA or visit http://www.eucalyptus.com/licenses/ if you need
* additional information or have any questions.
************************************************************************/
package com.eucalyptus.compute.common.internal.tags;
import java.lang.reflect.Modifier;
import org.apache.log4j.Logger;
import com.eucalyptus.bootstrap.ServiceJarDiscovery;
/**
* Discovery for TagSupport implementations
*/
public class TagSupportDiscovery extends ServiceJarDiscovery {
private final Logger logger = Logger.getLogger( TagSupportDiscovery.class );
@Override
public boolean processClass( final Class candidate ) throws Exception {
boolean accepted = false;
if ( TagSupport.class.isAssignableFrom( candidate ) && !Modifier.isAbstract( candidate.getModifiers() ) ) {
try {
TagSupport.registerTagSupport( (TagSupport) candidate.newInstance() );
accepted = true;
} catch ( Exception e ) {
logger.error( e, e );
}
}
return accepted;
}
@Override
public Double getPriority() {
return 0.3d;
}
}