skeleton done!

[ifi-stolz-refaktor.git] / software / no.uio.ifi.refaktor / src / no / uio / ifi / refaktor / handlers / SearchBasedExtractAndMoveMethodAnalysisHandler.java

package no.uio.ifi.refaktor.handlers;

import no.uio.ifi.refaktor.analyze.ExtractAndMoveMethodCandidate;
import no.uio.ifi.refaktor.analyze.analyzers.SearchBasedExtractAndMoveMethodAnalyzer;
import no.uio.ifi.refaktor.analyze.comparators.FavorNoUnfixesExtractAndMoveCandidateComparator;
import no.uio.ifi.refaktor.analyze.exceptions.NoTargetFoundException;
import no.uio.ifi.refaktor.debugging.RefaktorDebug;
import no.uio.ifi.refaktor.statistics.StatisticsAspect;
import no.uio.ifi.refaktor.statistics.StatisticsAspect.Statistics;

import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.jdt.core.IMethod;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ITreeSelection;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.handlers.HandlerUtil;

public class SearchBasedExtractAndMoveMethodAnalysisHandler extends AbstractHandler {

	@Override
	public Object execute(ExecutionEvent event) throws ExecutionException {
		ISelection selection = HandlerUtil.getCurrentSelectionChecked(event);
		IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindowChecked(event);

		assert selection instanceof ITreeSelection;
		ITreeSelection treeSelection = (ITreeSelection) selection;
		Object o = treeSelection.getFirstElement();
		assert o instanceof IMethod;
		IMethod method = (IMethod) o;

		String message = "";
		try {
			StatisticsAspect.init();
			SearchBasedExtractAndMoveMethodAnalyzer analyzer = new SearchBasedExtractAndMoveMethodAnalyzer(method, new FavorNoUnfixesExtractAndMoveCandidateComparator());
			analyzer.analyze();
			ExtractAndMoveMethodCandidate result = analyzer.getCandidate();
			message = "Result:\n\nText selection:\n" + result.textSelection 
					+ "\n\nNumber of text selections analyzed:\n" + result.numberOfTextSelectionsAnalyzed
					+ "\n\nOriginal target:\n" + result.calculateOriginalTarget()
					+ "\n\nSelected text:\n" + result.textSelection.getText();
		} catch (NoTargetFoundException e) {
			message = "No solution found for " + method;
		} finally {
			Statistics snapshot = StatisticsAspect.getSnapshot();
			RefaktorDebug.log(snapshot.toString());
		}

		MessageDialog.openInformation(window.getShell(), "no.uio.ifi.refaktor", message);
		return null;
	}

}