framework/examples/app4mc.example.transform.m2t/src/app4mc/example/transform/m2t/transformers/ExampleModel2TextTransformer.java

/**
 ********************************************************************************
 * Copyright (c) 2018-2021 Robert Bosch GmbH and others.
 * 
 * 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.m2t.transformers;

import java.util.Map;

import org.eclipse.app4mc.amalthea.model.Amalthea;
import org.eclipse.app4mc.transformation.ServiceConstants;
import org.eclipse.app4mc.transformation.TransformationConstants;
import org.eclipse.app4mc.transformation.transformers.Model2TextRootTransformer;
import org.eclipse.app4mc.transformation.util.OutputBuffer;
import org.eclipse.app4mc.transformation.util.PropertyUtil;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.osgi.service.component.annotations.Activate;
import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.ConfigurationPolicy;
import org.osgi.service.component.annotations.Reference;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.google.inject.Guice;
import com.google.inject.Injector;

@Component(
	configurationPid = ServiceConstants.SESSION_CONFIGURATION_PID,
	configurationPolicy = ConfigurationPolicy.REQUIRE,
	property = { ServiceConstants.TRANSFORMATION_PROPERTY + "=Amalthea2Text" },
	service = Model2TextRootTransformer.class
)
public class ExampleModel2TextTransformer extends Model2TextRootTransformer {

	private static final Logger LOG = LoggerFactory.getLogger(ExampleModel2TextTransformer.class);

	@Reference
	ExampleGuiceModuleFactory factory;
	
	private OutputBuffer outputBuffer;

	@Activate
	void activate(final Map<String, ?> properties) {
		LOG.info("ExampleModel2TextTransformer activated : {}", factory.getClass().getName());

		outputBuffer = new OutputBuffer();
		outputBuffer.initialize(PropertyUtil.getProperty(TransformationConstants.M2T_OUTPUT_FOLDER, properties));
		outputBuffer.configureFiletype("TEXT", ".txt", "**************** BEGIN ***************\n\n", "***************** END ****************");
	}

	@Override
	public void m2tTransformation(final ResourceSet inputResourceSet) {

		Injector injector = Guice.createInjector(factory.getModule());
		
		ExampleTransformer exampleTransformer = injector.getInstance(ExampleTransformer.class);
		
		for (final Resource resource : inputResourceSet.getResources()) {
			for (final EObject model : resource.getContents()) {
				LOG.info("Processing file : {}", resource.getURI());

				if (model instanceof Amalthea) {
					exampleTransformer.generate((Amalthea) model, outputBuffer);
				}
			}
		}

		outputBuffer.finish(false, false);
	}

}