Bug 202639 [Import/Export] [Import/Export] Improve warning messages in WizardFileSystemResourceExportPage1
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/wizards/datatransfer/WizardFileSystemResourceExportPage1.java
public boolean finish() {
        List resourcesToExport = getWhiteCheckedResources();
        if (!ensureTargetIsValid(new File(getDestinationValue()))) {
			return false;
		}
        
        saveDirtyEditors();
        
        saveWidgetValues();
        return executeExportOperation(new FileSystemExportOperation(null,
                resourcesToExport, getDestinationValue(), this));
    }
    /**
     *	Answer the string to display in self as the destination type
     *
     *	@return java.lang.String
     */
    protected String getDestinationLabel() {
        return DataTransferMessages.FileExport_toDirectory;
    }
    /**
     *	Answer the contents of self's destination specification widget
     *
     *	@return java.lang.String
     */
    protected String getDestinationValue() {
        return destinationNameField.getText().trim();
    }
    /**
     *	Set the current input focus to self's destination entry field