| /******************************************************************************* |
| * Copyright (c) 2007, 2017 IBM Corporation and others. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.dltk.internal.ui.refactoring.reorg; |
| |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.dltk.core.IModelElement; |
| |
| public class ReorgDestinationFactory { |
| |
| private static class Destination implements IReorgDestination { |
| |
| private final Object fDestination; |
| private final int fLocation; |
| |
| public Destination(Object destination, int location) { |
| Assert.isNotNull(destination); |
| Assert.isLegal(location == LOCATION_AFTER |
| || location == LOCATION_BEFORE || location == LOCATION_ON); |
| |
| fDestination = destination; |
| fLocation = location; |
| } |
| |
| @Override |
| public Object getDestination() { |
| return fDestination; |
| } |
| |
| @Override |
| public int getLocation() { |
| return fLocation; |
| } |
| |
| } |
| |
| static final class ResourceDestination extends Destination { |
| |
| private ResourceDestination(IResource destination, int location) { |
| super(destination, location); |
| } |
| |
| public IResource getResource() { |
| return (IResource) getDestination(); |
| } |
| |
| } |
| |
| static final class ModelElementDestination extends Destination { |
| |
| private ModelElementDestination(IModelElement destination, int location) { |
| super(destination, location); |
| } |
| |
| public IModelElement getJavaElement() { |
| return (IModelElement) getDestination(); |
| } |
| |
| } |
| |
| /** |
| * Wrap the given object into a destination |
| * |
| * @param destination |
| * the object to wrap |
| * @return a reorg destination if possible reorg destination or <b>null</b> |
| * otherwise |
| */ |
| public static IReorgDestination createDestination(Object destination) { |
| return createDestination(destination, IReorgDestination.LOCATION_ON); |
| } |
| |
| public static IReorgDestination createDestination(Object destination, |
| int location) { |
| if (destination instanceof IModelElement) { |
| return new ModelElementDestination((IModelElement) destination, |
| location); |
| } |
| if (destination instanceof IResource) { |
| return new ResourceDestination((IResource) destination, location); |
| } |
| |
| return null; |
| } |
| |
| } |