org.eclipse.emf.refactor.metrics.henshin/templates/HenshinCalculateClassTemplate.javajet

<%@ jet package="org.eclipse.emf.refactor.metrics" class="HenshinCalculateClass"
imports="org.eclipse.emf.refactor.metrics.henshin.core.HenshinMetricInfo"%>
<%HenshinMetricInfo info = (HenshinMetricInfo) argument; %>
package <%=info.getPackage()%>;

import java.io.IOException;
import java.net.URL;
import java.util.Collections;
import java.util.List;

import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.Path;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.refactor.metrics.henshin.managers.HenshinManager;
import org.eclipse.emf.refactor.metrics.interfaces.IMetricCalculator;


public final class <%=info.getClassName()%> implements IMetricCalculator {

	private String transformationPath = 
		getFullPath("transformations/<%=info.getTransformationName()%>"); 
		
	private EObject context; 
		
	@Override
	public void setContext(List<EObject> context) {
		this.context = context.get(0);
	}	
		
	@Override
	public double calculate() {
		return HenshinManager.run(transformationPath, this.context);
	}
	
	private String getFullPath(String transformationPath){
		URL url = FileLocator.find(<%=info.getProjectName().toLowerCase()%>.Activator.getDefault().getBundle(), new Path(transformationPath), Collections.EMPTY_MAP);
		URL fileUrl = null;
		try {
			fileUrl = FileLocator.toFileURL(url);
		}
		catch (IOException e) {
			e.printStackTrace();
		}
		return 	fileUrl.getPath();
	}	
}