/*
* Data Hub Service (DHuS) - For Space data distribution.
* Copyright (C) 2013,2014,2015 GAEL Systems
*
* This file is part of DHuS software sources.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package fr.gael.dhus.olingo.v1.entity;
import fr.gael.dhus.olingo.v1.Expander;
import fr.gael.dhus.olingo.v1.ExpectedException.InvalidTargetException;
import fr.gael.dhus.olingo.v1.Model;
import fr.gael.dhus.olingo.v1.entityset.CollectionEntitySet;
import fr.gael.dhus.olingo.v1.map.impl.CollectionProductsMap;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.olingo.odata2.api.exception.ODataException;
import org.apache.olingo.odata2.api.uri.NavigationSegment;
/**
* Collection Bean. A collection of Products.
*/
public class Collection extends AbstractEntity
{
private final fr.gael.dhus.database.object.Collection collection;
private Map<String, Product> products;
public Collection (fr.gael.dhus.database.object.Collection collection)
{
this.collection = collection;
}
public String getUUID ()
{
return collection.getUUID ();
}
public String getName ()
{
return collection.getName ();
}
public String getDescription ()
{
return collection.getDescription ();
}
/**
* Returns its products.
*
* @return a view on the Product Service.
*/
public Map<String, Product> getProducts ()
{
if (products == null)
{
products = new CollectionProductsMap (collection.getUUID ());
}
return products;
}
@Override
public Map<String, Object> toEntityResponse (String root_url)
{
Map<String, Object> res = new HashMap<> ();
res.put (CollectionEntitySet.NAME, getName ());
res.put (CollectionEntitySet.UUID, getUUID ());
res.put (CollectionEntitySet.DESCRIPTION, getDescription ());
return res;
}
@Override
public Object getProperty (String prop_name) throws ODataException
{
if (prop_name.equals (CollectionEntitySet.NAME)) return getName ();
if (prop_name.equals (CollectionEntitySet.DESCRIPTION))
return getDescription ();
throw new ODataException ("Property '" + prop_name +
"' not found in entity Collection.");
}
@Override
public Object navigate(NavigationSegment ns) throws ODataException
{
Object res;
if (ns.getEntitySet().getName().equals(Model.PRODUCT.getName()))
{
res = this.getProducts();
if (!ns.getKeyPredicates().isEmpty())
{
res = ((CollectionProductsMap)res).get(ns.getKeyPredicates().get(0).getLiteral());
}
}
else
{
throw new InvalidTargetException(this.getClass().getSimpleName(), ns.getEntitySet().getName());
}
return res;
}
@Override
public List<String> getExpandableNavLinkNames()
{
return Collections.singletonList("Products");
}
@Override
public List<Map<String, Object>> expand(String navlink_name, String self_url)
{
if (navlink_name.equals("Products"))
{
return Expander.mapToData(getProducts(), self_url);
}
return super.expand(navlink_name, self_url);
}
}