org.eclipse.mdm.businessobjects/src/main/java/org/eclipse/mdm/businessobjects/entity/MDMEntityResponse.java

/********************************************************************************
 * Copyright (c) 2015-2019 Contributors to the Eclipse Foundation
 *
 * See the NOTICE file(s) distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 ********************************************************************************/

package org.eclipse.mdm.businessobjects.entity;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlRootElement;

import org.eclipse.mdm.api.base.model.Entity;

/**
 * EntryResponse (Container for {@link MDMEntity}s)
 * 
 * @author Sebastian Dirsch, Gigatronik Ingolstadt GmbH
 *
 */
@XmlRootElement
@XmlAccessorType(XmlAccessType.FIELD)
public class MDMEntityResponse {

	/** type of all content entries (e.g. TestStep) */
	private final String type;
	/** transferable data content */
	private final List<MDMEntity> data;

	/**
	 * Constructor (for a list of business objects {@link MDMEntity}s)
	 * 
	 * @param type    type of all containging {@link MDMEntity}s
	 * @param entries list of {@link MDMEntity}
	 */
	// TODO move to Vavr List
	public <T extends Entity> MDMEntityResponse(Class<? extends Entity> type, List<T> businessObjects) {
		this.type = type.getSimpleName();
		this.data = toTransferable(businessObjects);
	}

	/**
	 * Constructor (for a single business object {@link MDMEntity})
	 * 
	 * @param type           type of the {@link MDMEntity}
	 * @param businessObject single {@link MDMEntity}
	 */
	public <T extends Entity> MDMEntityResponse(Class<? extends Entity> type, T businessObject) {
		List<T> businessObjects = new ArrayList<>();
		businessObjects.add(businessObject);
		this.type = type.getSimpleName();
		this.data = toTransferable(businessObjects);
	}

	public String getType() {
		return this.type;
	}

	public List<MDMEntity> getData() {
		return Collections.unmodifiableList(this.data);
	}

	private <T extends Entity> List<MDMEntity> toTransferable(List<T> businessObjects) {
		List<MDMEntity> mdmEntityList = new ArrayList<MDMEntity>();
		for (Entity businessObject : businessObjects) {
			MDMEntity mdmEntity = new MDMEntity(businessObject);
			mdmEntityList.add(mdmEntity);
		}
		return mdmEntityList;
	}

}