gr.uom.java.xmi.diff.ExtractClassRefactoring 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 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;

import gr.uom.java.xmi.UMLAttribute;
import gr.uom.java.xmi.UMLClass;
import gr.uom.java.xmi.UMLOperation;

public class ExtractClassRefactoring implements Refactoring {
	private UMLClass extractedClass;
	private UMLClassBaseDiff classDiff;
	private Set extractedOperations;
	private Set extractedAttributes;
	private UMLAttribute attributeOfExtractedClassTypeInOriginalClass;

	public ExtractClassRefactoring(UMLClass extractedClass, UMLClassBaseDiff classDiff,
			Set extractedOperations, Set extractedAttributes, UMLAttribute attributeOfExtractedClassType) {
		this.extractedClass = extractedClass;
		this.classDiff = classDiff;
		this.extractedOperations = extractedOperations;
		this.extractedAttributes = extractedAttributes;
		this.attributeOfExtractedClassTypeInOriginalClass = attributeOfExtractedClassType;
	}

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

	public RefactoringType getRefactoringType() {
		if(extractedClass.isSubTypeOf(classDiff.getOriginalClass()) || extractedClass.isSubTypeOf(classDiff.getNextClass()))
			return RefactoringType.EXTRACT_SUBCLASS;
		return RefactoringType.EXTRACT_CLASS;
	}

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

	public UMLClass getExtractedClass() {
		return extractedClass;
	}

	public UMLClass getOriginalClass() {
		return classDiff.getOriginalClass();
	}

	public Set getExtractedOperations() {
		return extractedOperations;
	}

	public Set getExtractedAttributes() {
		return extractedAttributes;
	}

	public UMLAttribute getAttributeOfExtractedClassTypeInOriginalClass() {
		return attributeOfExtractedClassTypeInOriginalClass;
	}

	public Set> getInvolvedClassesBeforeRefactoring() {
		Set> pairs = new LinkedHashSet>();
		pairs.add(new ImmutablePair(getOriginalClass().getLocationInfo().getFilePath(), getOriginalClass().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();
		ranges.add(classDiff.getOriginalClass().codeRange()
				.setDescription("original type declaration")
				.setCodeElement(classDiff.getOriginalClass().getName()));
		return ranges;
	}

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