Case Study: adding data and statistics

[ifi-stolz-refaktor.git] / case-study / refaktor-after / src / no / uio / ifi / refaktor / handlers / AbstractSearchBasedExtractAndMoveMethodChangerHandler.java

diff --git a/case-study/refaktor-after/src/no/uio/ifi/refaktor/handlers/AbstractSearchBasedExtractAndMoveMethodChangerHandler.java b/case-study/refaktor-after/src/no/uio/ifi/refaktor/handlers/AbstractSearchBasedExtractAndMoveMethodChangerHandler.java
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+++ b/case-study/refaktor-after/src/no/uio/ifi/refaktor/handlers/AbstractSearchBasedExtractAndMoveMethodChangerHandler.java
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+package no.uio.ifi.refaktor.handlers;
+
+import no.uio.ifi.refaktor.change.changers.RefaktorChanger;
+import no.uio.ifi.refaktor.change.exceptions.RefaktorChangerException;
+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.core.runtime.CoreException;
+import org.eclipse.core.runtime.NullProgressMonitor;
+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 abstract class AbstractSearchBasedExtractAndMoveMethodChangerHandler 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 element = treeSelection.getFirstElement();
+       
+               StatisticsAspect.init();
+               RefaktorChanger changer = createChanger(element);
+               try {
+                       changer.checkPreconditions();
+                       changer.execute(new NullProgressMonitor());
+                       MessageDialog.openInformation(window.getShell(), "no.uio.ifi.refaktor", changer.getClass() + " has been excuted");
+                       return null;
+               } catch (RefaktorChangerException e) {
+                       RefaktorDebug.log(e);
+               } catch (CoreException e) {
+                       RefaktorDebug.log(e);
+               } finally {
+                       Statistics snapshot = StatisticsAspect.getSnapshot();
+                       RefaktorDebug.println("\n\n" + snapshot);
+                       snapshot.generateReportFile();
+               }
+       
+               MessageDialog.openInformation(window.getShell(), "no.uio.ifi.refaktor", changer.getClass() + " did not execute correctly");
+               return null;
+       }
+
+       protected abstract RefaktorChanger createChanger(Object element);
+
+}
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