/* * 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); } }