调用eclipse本身OpenType

import org.eclipse.jdt.internal.ui.JavaPlugin;import org.eclipse.jdt.internal.ui.JavaUIMessages;import org.eclipse.jdt.internal.ui.dialogs.OpenTypeSelectionDialog;import org.eclipse.jdt.internal.ui.search.JavaSearchScopeFactory;import org.eclipse.ui.IWorkingSet;import org.eclipse.ui.PlatformUI;public class OpenTypeDialog extends OpenTypeSelectionDialog {	public OpenTypeDialog(IWorkingSet ws) {		super(JavaPlugin.getActiveWorkbenchShell(), true, PlatformUI.getWorkbench().getProgressService(), JavaSearchScopeFactory.getInstance().createJavaSearchScope(ws, true), 0);		setTitle(JavaUIMessages.OpenTypeAction_dialogTitle);		setMessage(JavaUIMessages.OpenTypeAction_dialogMessage);		applyFilter();	}	public OpenTypeDialog(IWorkingSet ws, String searchText) {		this(ws);		setInitialPattern(searchText);	}}

IProject[] projects = new IProject[] { project };				IAdaptable[] elements = new IAdaptable[projects.length];				for (int i = 0; i < elements.length; i++) {					elements[i] = projects[i];				}				IWorkingSet ws = new WorkingSet("source", "source", elements);				SelectionDialog dialog = new OpenTypeDialog(ws);				int result = dialog.open();				if (result != IDialogConstants.OK_ID)					return;				Object[] obj = dialog.getResult();				if (obj == null || obj.length == 0)					return;				String className = null;				String packageName = null;				for (Object objs : obj) {					className = ((SourceType) objs).getElementName();					PackageFragment packet = (PackageFragment) ((SourceType) objs).getParent().getParent();					packageName = packet.getElementName();				}