gr.uom.java.xmi.diff.ExtractSuperclassRefactoring Maven / Gradle / Ivy

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RefactoringMiner is a library/API written in Java that can detect refactorings applied in the history of a Java project.

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package gr.uom.java.xmi.diff;

import gr.uom.java.xmi.UMLClass;

import java.util.ArrayList;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;

import org.apache.commons.lang3.tuple.ImmutablePair;
import org.refactoringminer.api.Refactoring;
import org.refactoringminer.api.RefactoringType;

public class ExtractSuperclassRefactoring implements Refactoring {
	private UMLClass extractedClass;
	private Set subclassSet;
	
	public ExtractSuperclassRefactoring(UMLClass extractedClass, Set subclassSet) {
		this.extractedClass = extractedClass;
		this.subclassSet = subclassSet;
	}

	public String toString() {
		StringBuilder sb = new StringBuilder();
		sb.append(getName()).append("\t");
		sb.append(extractedClass);
		sb.append(" from classes ");
		sb.append(subclassSet);
		return sb.toString();
	}

	public String getName() {
		return this.getRefactoringType().getDisplayName();
	}

	public RefactoringType getRefactoringType() {
		if(extractedClass.isInterface())
			return RefactoringType.EXTRACT_INTERFACE;
		else
			return RefactoringType.EXTRACT_SUPERCLASS;
	}

	public UMLClass getExtractedClass() {
		return extractedClass;
	}

	public Set getSubclassSet() {
		Set subclassSet = new LinkedHashSet();
		for(UMLClass umlClass : this.subclassSet) {
			subclassSet.add(umlClass.getName());
		}
		return subclassSet;
	}

	public Set getUMLSubclassSet() {
		return new LinkedHashSet(subclassSet);
	}

	public Set> getInvolvedClassesBeforeRefactoring() {
		Set> pairs = new LinkedHashSet>();
		for(UMLClass umlClass : this.subclassSet) {
			pairs.add(new ImmutablePair(umlClass.getLocationInfo().getFilePath(), umlClass.getName()));
		}
		return pairs;
	}

	public Set> getInvolvedClassesAfterRefactoring() {
		Set> pairs = new LinkedHashSet>();
		pairs.add(new ImmutablePair(getExtractedClass().getLocationInfo().getFilePath(), getExtractedClass().getName()));
		return pairs;
	}

	@Override
	public List leftSide() {
		List ranges = new ArrayList();
		for(UMLClass subclass : subclassSet) {
			ranges.add(subclass.codeRange()
					.setDescription("sub-type declaration")
					.setCodeElement(subclass.getName()));
		}
		return ranges;
	}

	@Override
	public List rightSide() {
		List ranges = new ArrayList();
		ranges.add(extractedClass.codeRange()
				.setDescription("extracted super-type declaration")
				.setCodeElement(extractedClass.getName()));
		return ranges;
	}
}