eclipse-tools/model-transformation/examples/sample-model-transformation/app4mc.example.transform.m2t/src/configuration/M2TTransformation.java

 /**
 ********************************************************************************
 * Copyright (c) 2018 Robert Bosch GmbH.
 * 
 * This program and the accompanying materials are made
 * available under the terms of the Eclipse Public License 2.0
 * which is available at https://www.eclipse.org/legal/epl-2.0/
 * 
 * SPDX-License-Identifier: EPL-2.0
 * 
 * Contributors:
 *     Robert Bosch GmbH - initial API and implementation
 ********************************************************************************
 */

package configuration;

import java.util.Properties;

import org.apache.log4j.Logger;
import org.eclipse.app4mc.amalthea.model.AmaltheaFactory;
import org.eclipse.app4mc.transformation.extensions.executiontype.IModelToTextConfig;
import org.eclipse.emf.ecore.resource.ResourceSet;

import model.loader.AmaltheaMultiFileLoader;

public class M2TTransformation implements IModelToTextConfig {

	private Properties parameters;

	private Logger logger  ;

	public M2TTransformation() {
		// TODO Auto-generated constructor stub
	}

	@Override
	public ResourceSet getInputResourceSet() {

		if (parameters != null) {

			String folderPath = parameters.getProperty("input_models_folder");

			if (folderPath != null) {

				ResourceSet resourceSet = new AmaltheaMultiFileLoader().loadMultipleFiles(folderPath);

				if(resourceSet.getResources().size()==0) {
					logger.error("no Amalthea model files are loaded. Verify if the model version is : " + AmaltheaFactory.eINSTANCE.createAmalthea().getVersion());
				}
				
				return resourceSet;
			} else {
				logger.error("input_models_folder parameter not set",
						new NullPointerException("input_models_folder property not set"));
			}

		} else {
			logger.error("Parameters object not set ", new NullPointerException("Parameter object is null"));
		}
		return null;
	}

	@Override
	public void setProperties(Properties parameters) {

		this.parameters = parameters;
	}
	
	@Override
	public void setLogger(Logger logger) {

		this.logger = logger;
	}

}