/*
* Copyright 2009-2010 Steve Chaloner
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package be.objectify.led.factory.object;
import be.objectify.led.FactoryResolver;
import be.objectify.led.ObjectFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.lang.reflect.Field;
import java.util.Collection;
import java.util.Set;
/**
* @author Steve Chaloner
*/
public abstract class SetFactory<T> extends AbstractObjectFactory<Set>
{
private static final Logger LOGGER = LoggerFactory.getLogger(SetFactory.class);
private final Class clazz;
private final Field field;
private final FactoryResolver factoryResolver;
public SetFactory(Class clazz,
Field field,
FactoryResolver factoryResolver)
{
this.clazz = clazz;
this.field = field;
this.factoryResolver = factoryResolver;
}
public Set<T> createObject(String propertyName,
String propertyValue)
{
Set<T> set = createSet();
ObjectFactory objectFactory = factoryResolver.resolveFactory(clazz,
field);
if (objectFactory == null)
{
LOGGER.info("No factory available for type [{}]",
clazz.getCanonicalName());
}
else
{
Collection<T> values = parse(propertyName,
propertyValue,
objectFactory);
if (values != null)
{
set.addAll(values);
}
else
{
LOGGER.info("Property value [{}] did not parse into collection of type [{}]",
propertyValue,
clazz.getCanonicalName());
}
}
return set;
}
public Class<Set> getBoundClass()
{
return Set.class;
}
protected abstract Collection<T> parse(String propertyName,
String propertyValue,
ObjectFactory<T> objectFactory);
protected abstract Set<T> createSet();
}