tools.vitruv.change.testutils.changevisualization.tree.decoder.feature.EObjectFeatureDecoder Maven / Gradle / Ivy

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Utilities for visualization changes on models

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package tools.vitruv.change.testutils.changevisualization.tree.decoder.feature;

import java.awt.Component;

import org.eclipse.emf.ecore.EObject;

import tools.vitruv.change.testutils.changevisualization.utils.ModelHelper;

/**
 * Feature decoder suitable for EObjects. It creates a detailedArray as detailed visualization.
 * 
 * @author Andreas Loeffler
 */
public class EObjectFeatureDecoder implements FeatureDecoder {

	/**
	 * The first structural feature name to look for when extracting the eObject name
	 */
	private static final String FIRST_NAME_SF="entityName";

	/**
	 * The second structural feature name to look for when extracting the eObject name.
	 * This one is only considered if the first on does not exist
	 */
	private static final String SECOND_NAME_SF="name";

	@Override 	
	public Class getDecodedClass(){
		return EObject.class;
	}

	@Override
	public String decodeSimple(Object obj) {
		org.eclipse.emf.ecore.EObject eObj=(org.eclipse.emf.ecore.EObject)obj;
		String name=getName(eObj);
		if(name==null) {
			return eObj.eClass().getName();
		}else {
			return eObj.eClass().getName()+" ["+name+"]";
		}		
	}		

	/**
	 * Extracts the name of the eObject, if existent. It looks for FIRST_NAME_SF and SECOND_NAME_SF
	 * to find it.
	 * 
	 * @param eObj The eObject to get the name of
	 * @return The name, if existent, or null
	 */
	private String getName(EObject eObj) {
		
		Object fObj=ModelHelper.getStructuralFeatureValue(eObj, FIRST_NAME_SF);
		if(fObj!=null){
				return String.valueOf(fObj);
		}
		
		fObj=ModelHelper.getStructuralFeatureValue(eObj, SECOND_NAME_SF);
		if(fObj!=null){
			return String.valueOf(fObj);
		}
		
		//Nothing found
		return null;
	}

	@Override
	public String decodeDetailed(Object obj) {
		return null;
	}

	@Override
	public Component decodeDetailedUI(Object obj) {
		return null;
	}

	@Override
	public String[][] decodeDetailedArray(Object obf) {
		return ModelHelper.extractStructuralFeatureArray((EObject)obf);
	}		

}