package com.temenos.interaction.core.hypermedia.transition;
/*
* #%L
* interaction-core
* %%
* Copyright (C) 2012 - 2017 Temenos Holdings N.V.
* %%
* 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 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/>.
* #L%
*/
import com.temenos.interaction.core.hypermedia.Transformer;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
/**
* Generates properties out of an entity object using a {@link Transformer}.
*
* @author ikarady
*/
public class EntityPropertiesGenerator implements PropertiesGenerator {
private Transformer transformer;
private Object entity;
public EntityPropertiesGenerator(Transformer transformer, Object entity) {
this.transformer = transformer;
this.entity = entity;
}
/**
* Generates properties out of its entity object.
*
* @return properties
*/
@Override
public Map<String, Object> generate() {
Map<String, Object> properties = new HashMap<>();
if (entity != null && transformer != null) {
properties = transformer.transform(entity);
}
if (properties != null) {
return properties;
} else {
return Collections.emptyMap();
}
}
}