plugins/org.eclipse.app4mc.amalthea.converters.100/src/org/eclipse/app4mc/amalthea/converters100/impl/MeasurementModelConverter.java

/*********************************************************************************
 * Copyright (c) 2020, 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 org.eclipse.app4mc.amalthea.converters100.impl;

import java.io.File;
import java.util.List;
import java.util.Map;

import org.eclipse.app4mc.amalthea.converters.common.ServiceConstants;
import org.eclipse.app4mc.amalthea.converters.common.base.ICache;
import org.eclipse.app4mc.amalthea.converters.common.base.IConverter;
import org.eclipse.app4mc.amalthea.converters.common.converter.AbstractConverter;
import org.eclipse.app4mc.amalthea.converters.common.utils.AmaltheaNamespaceRegistry;
import org.eclipse.app4mc.amalthea.converters.common.utils.HelperUtil;
import org.eclipse.app4mc.util.sessionlog.SessionLogger;
import org.jdom2.Document;
import org.jdom2.Element;
import org.jdom2.Namespace;
import org.osgi.service.component.annotations.Activate;
import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;

@Component(
		property = {
			ServiceConstants.INPUT_MODEL_VERSION_PROPERTY + "=0.9.9",
			ServiceConstants.OUTPUT_MODEL_VERSION_PROPERTY + "=1.0.0"
		},
		service = IConverter.class)

public class MeasurementModelConverter extends AbstractConverter {

	@Reference
	SessionLogger logger;

	@Override
	@Activate
	protected void activate(Map<String, Object> properties) {
		super.activate(properties);
	}
	
	@Override
	public void convert(File targetFile, Map<File, Document> fileDocumentMapping, List<ICache> caches) {
		logger.info("Migration from {0} to {1} : Executing MeasurementModel converter for model file : {2}",
				getInputModelVersion(), getOutputModelVersion(), targetFile.getName());
		
		basicConvert(targetFile, fileDocumentMapping);
	}

	private void basicConvert(File file, Map<File, Document> map) {
		// get the components with interfaces
		final Document document = map.get(file);
		if (document == null) {
			return;
		}

		final Element rootElement = document.getRootElement();
		removeMeasurementModel(rootElement);
	}

	private void removeMeasurementModel(Element rootElement) {
		final Namespace am = AmaltheaNamespaceRegistry.getNamespace(getInputModelVersion(), "am");
		final Namespace xsi = AmaltheaNamespaceRegistry.getGenericNamespace("xsi");

		final String xpathStr = "./measurementModel";

		final List<Element> models = HelperUtil.getXpathResult(rootElement, xpathStr, Element.class, am, xsi);

		if (models == null) {
			return;
		}

		// Remove measurement model

		for (Element m : models) {
			logger.warn("Measurement Model has been removed. It is no longer supported in version {0}.",
					getOutputModelVersion());
			
			rootElement.removeContent(m);
		}
	}

}