/**
* Copyright (c) Codice Foundation
* <p/>
* This is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser
* General Public License as published by the Free Software Foundation, either version 3 of the
* License, or any later version.
* <p/>
* 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
* Lesser General Public License for more details. A copy of the GNU Lesser General Public License
* is distributed along with this program and can be found at
* <http://www.gnu.org/licenses/lgpl.html>.
*/
package ddf.catalog.util;
import org.osgi.service.blueprint.container.Converter;
import org.osgi.service.blueprint.container.ReifiedType;
import org.slf4j.LoggerFactory;
import org.slf4j.ext.XLogger;
/**
* This converter is used to allow {@link SortedServiceList} objects to pass
* through for {@link java.util.List} implementations. This was originally intended to
* allow plugins to be automatically sorted in the list. Without this converter,
* blueprint will copy the list and lose the reference.
*
* @deprecated As of release 2.3.0, replaced by
* ddf.catalog.util.impl.ListConverter
*/
@Deprecated
public class ListConverter implements Converter {
private static final XLogger LOGGER = new XLogger(LoggerFactory.getLogger(ListConverter.class));
/**
* @parameter sourceObject object considering to be converted
* @parameter targetType
*
* @return true if sourceObject is an instance of SortedServiceList; false otherwise
*/
@Override
public boolean canConvert(Object sourceObject, ReifiedType targetType) {
LOGGER.trace("Deciphering if canConvert ");
if (targetType != null) {
LOGGER.debug("ReifiedType:" + targetType.getRawClass());
}
return (sourceObject instanceof SortedServiceList);
}
/**
* Converts (casts) the sourceObject to a SortedServiceList.
*
* @parameter sourceObject object being converted
* @parameter targetType
*
* @return sourceObject cast to a SortedServiceList
*/
@Override
public Object convert(Object sourceObject, ReifiedType targetType) throws Exception {
LOGGER.trace("Converting " + sourceObject);
SortedServiceList list = ((SortedServiceList) sourceObject);
return list;
}
}