package no.uio.ifi.refaktor.change.executors;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import no.uio.ifi.refaktor.analyze.candidates.RefactorCandidate;
import no.uio.ifi.refaktor.change.changers.RefaktorChanger;
import no.uio.ifi.refaktor.factories.RefactoringFactory;
import no.uio.ifi.refaktor.textselection.CompilationUnitTextSelection;

/**
 * RefactoringExecutor spesific for Extract Local variable refactoring
 * 
 * 
 * TODO Might be changed
 * 
 * 
 * @author Anna Eilertsen
 *
 */
public class RefactoringExecutor<Candidate extends RefactorCandidate> implements Executor{

	/**
	 * Text selection containing the expression we want to refactor, and only that
	 */
	final private CompilationUnitTextSelection textSelection;
	final private String newName;
	final private RefactoringFactory<Candidate> factory;

	public RefactoringExecutor(Candidate analysisResult, RefactoringFactory<Candidate> factory) {
		this.factory = factory;
		this.textSelection = analysisResult.getTextSelection();
		this.newName = analysisResult.generateName();
	}

	@Override
	public void execute(IProgressMonitor monitor) throws CoreException {
		//TODO should be generic
		RefaktorChanger changer = factory.getChanger(textSelection, newName);
		changer.checkPreconditions();
		changer.execute(monitor);
	}

}