Case Study: adding data and statistics

[ifi-stolz-refaktor.git] / case-study / jdt-after / ui / org / eclipse / jdt / ui / actions / SurroundWithTryCatchAction.java

diff --git a/case-study/jdt-after/ui/org/eclipse/jdt/ui/actions/SurroundWithTryCatchAction.java b/case-study/jdt-after/ui/org/eclipse/jdt/ui/actions/SurroundWithTryCatchAction.java
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+/*******************************************************************************
+ * Copyright (c) 2000, 2011 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *     Sebastian Davids - Fixed bug 25898
+ *******************************************************************************/
+package org.eclipse.jdt.ui.actions;
+
+import java.lang.reflect.InvocationTargetException;
+
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.NullProgressMonitor;
+
+import org.eclipse.jface.dialogs.MessageDialog;
+
+import org.eclipse.jface.text.BadLocationException;
+import org.eclipse.jface.text.ITextSelection;
+
+import org.eclipse.ui.PlatformUI;
+
+import org.eclipse.ltk.core.refactoring.Change;
+import org.eclipse.ltk.core.refactoring.PerformChangeOperation;
+import org.eclipse.ltk.core.refactoring.RefactoringStatus;
+import org.eclipse.ltk.core.refactoring.RefactoringStatusEntry;
+
+import org.eclipse.jdt.core.ICompilationUnit;
+import org.eclipse.jdt.core.ISourceRange;
+
+import org.eclipse.jdt.internal.corext.refactoring.base.JavaStatusContext;
+import org.eclipse.jdt.internal.corext.refactoring.surround.SurroundWithTryCatchRefactoring;
+
+import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
+import org.eclipse.jdt.internal.ui.actions.ActionUtil;
+import org.eclipse.jdt.internal.ui.actions.SelectionConverter;
+import org.eclipse.jdt.internal.ui.actions.WorkbenchRunnableAdapter;
+import org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitEditor;
+import org.eclipse.jdt.internal.ui.refactoring.RefactoringMessages;
+import org.eclipse.jdt.internal.ui.util.ElementValidator;
+import org.eclipse.jdt.internal.ui.util.ExceptionHandler;
+import org.eclipse.jdt.internal.ui.viewsupport.LinkedProposalModelPresenter;
+
+/**
+ * Action to surround a set of statements with a try/catch block.
+ *
+ * <p>
+ * This class may be instantiated; it is not intended to be subclassed.
+ * </p>
+ *
+ * @since 2.0
+ *
+ * @noextend This class is not intended to be subclassed by clients.
+ */
+public class SurroundWithTryCatchAction extends SelectionDispatchAction {
+
+       CompilationUnitEditor fEditor;
+
+       /**
+        * Note: This constructor is for internal use only. Clients should not call this constructor.
+        * @param editor the compilation unit editor
+        *
+        * @noreference This constructor is not intended to be referenced by clients.
+        */
+       public SurroundWithTryCatchAction(CompilationUnitEditor editor) {
+               super(editor.getEditorSite());
+               setText(RefactoringMessages.SurroundWithTryCatchAction_label);
+               fEditor= editor;
+               setEnabled(isApplicable());
+               PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.SURROUND_WITH_TRY_CATCH_ACTION);
+       }
+
+       @Override
+       public void run(ITextSelection selection) {
+               if (!ActionUtil.isEditable(fEditor))
+                       return;
+               ICompilationUnit cu= SelectionConverter.getInputAsCompilationUnit(fEditor);
+               if (cu == null || !ElementValidator.checkValidateEdit(cu, getShell(), getDialogTitle()))
+                       return;
+               SurroundWithTryCatchRefactoring refactoring= createRefactoring(selection, cu);
+
+               if (refactoring == null)
+                       return;
+               try {
+                       RefactoringStatus status= refactoring.checkInitialConditions(new NullProgressMonitor());
+                       if (status.hasFatalError()) {
+                               RefactoringStatusEntry entry= status.getEntryMatchingSeverity(RefactoringStatus.FATAL);
+                               MessageDialog.openInformation(getShell(), getDialogTitle(), entry.getMessage());
+                               if (entry.getContext() instanceof JavaStatusContext && fEditor != null) {
+                                       JavaStatusContext context= (JavaStatusContext)entry.getContext();
+                                       ISourceRange range= context.getSourceRange();
+                                       fEditor.setHighlightRange(range.getOffset(), range.getLength(), true);
+                               }
+                               return;
+                       }
+                       if (refactoring.stopExecution())
+                               return;
+                       Change change= refactoring.createChange(new NullProgressMonitor());
+                       change.initializeValidationData(new NullProgressMonitor());
+                       PerformChangeOperation op= new PerformChangeOperation(change);
+                       // must be fork == false since file buffers can't be manipulated in a different thread.
+                       WorkbenchRunnableAdapter adapter= new WorkbenchRunnableAdapter(op);
+                       adapter.generated_4302978336927222909();
+
+                       new LinkedProposalModelPresenter().enterLinkedMode(fEditor.getViewer(), fEditor, false, refactoring.getLinkedProposalModel());
+
+               } catch (CoreException e) {
+                       ExceptionHandler.handle(e, getDialogTitle(), RefactoringMessages.SurroundWithTryCatchAction_exception);
+               } catch (InvocationTargetException e) {
+                       ExceptionHandler.handle(e, getDialogTitle(), RefactoringMessages.SurroundWithTryCatchAction_exception);
+               } catch (InterruptedException e) {
+                       // not cancelable
+               } catch (BadLocationException e) {
+                       // ignore
+               }
+       }
+
+       SurroundWithTryCatchRefactoring createRefactoring(ITextSelection selection, ICompilationUnit cu) {
+               return SurroundWithTryCatchRefactoring.create(cu, selection);
+       }
+
+       @Override
+       public void selectionChanged(ITextSelection selection) {
+               setEnabled(selection.getLength() > 0 && isApplicable());
+       }
+
+       boolean isApplicable() {
+               return fEditor != null && SelectionConverter.getInputAsCompilationUnit(fEditor) != null;
+       }
+
+       String getDialogTitle() {
+               return RefactoringMessages.SurroundWithTryCatchAction_dialog_title;
+       }
+}