eclipse-tools/model-transformation/examples/sample-model-transformation/app4mc.example.transform.app/src/app4mc/example/transform/app/SampleApplication.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 app4mc.example.transform.app;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Properties;

import org.apache.log4j.Logger;
import org.eclipse.app4mc.transformation.application.base.Application;
import org.eclipse.equinox.app.IApplicationContext;

public class SampleApplication extends Application {

	@Override
	public Object start(IApplicationContext context) throws Exception {
		return super.start(context);
	}

	@Override
	protected Properties getInputParameters(IApplicationContext context) throws IOException, FileNotFoundException { 


		 
		String[] args = (String[]) context.getArguments().get("application.args");

		if (args != null && args.length > 0) {

			String inputPropsFile = args[1];

			File propertiesFile = new File(inputPropsFile);

			Properties properties = new Properties();

			properties.load(new FileInputStream(propertiesFile));
			
			//Now checking if the user has specified absolute paths in the properties file ?
			
			Object inputModelsFolder = properties.get("input_models_folder");
			Object m2m_outputModelsFolder = properties.get("m2m_output_folder");
			Object m2t_output_folder = properties.get("m2t_output_folder");
			Object logFile = properties.get("log_file");

			if(inputModelsFolder !=null) {
				String path=inputModelsFolder.toString();

				String newPath=new File(path).exists()?path:new File(propertiesFile.getParent()+File.separator+ path).getCanonicalPath()  ;
			
				properties.put("input_models_folder", newPath);
				
			}
			if(m2m_outputModelsFolder !=null) {
				String path=m2m_outputModelsFolder.toString();
				
				String newPath=new File(path).exists()?path:new File(propertiesFile.getParent()+File.separator+ path).getCanonicalPath();
				
				properties.put("m2m_output_folder", newPath);
				
			}
			if(m2t_output_folder !=null) {
				String path=m2t_output_folder.toString();
				
				String newPath=new File(path).exists()?path:new File(propertiesFile.getParent()+File.separator+ path).getCanonicalPath();
				
				properties.put("m2t_output_folder", newPath);
				
			}
			if(logFile !=null) {
				String path=logFile.toString();
				
				String newPath=new File(path).exists()?path:new File(propertiesFile.getParent()+File.separator+ path).getCanonicalPath() ;
				
				properties.put("log_file", newPath);
				
			}
			

			return properties;
		}

		return null;
	
	}

	@Override
	protected Logger getLogger(Properties inputParameters) {
		return super.getLogger(inputParameters);
	}
}