|
122
|
1 /*******************************************************************************
|
|
|
2 * Copyright (c) 2000, 2006 IBM Corporation and others.
|
|
|
3 * All rights reserved. This program and the accompanying materials
|
|
|
4 * are made available under the terms of the Eclipse Public License v1.0
|
|
|
5 * which accompanies this distribution, and is available at
|
|
|
6 * http://www.eclipse.org/legal/epl-v10.html
|
|
|
7 *
|
|
|
8 * Contributors:
|
|
|
9 * IBM Corporation - initial API and implementation
|
|
|
10 * Port to the D programming language:
|
|
|
11 * Frank Benoit <benoit@tionex.de>
|
|
|
12 *******************************************************************************/
|
|
|
13 module dwtx.core.runtime.PlatformObject;
|
|
|
14
|
|
|
15 import dwt.dwthelper.utils;
|
|
|
16
|
|
|
17 import dwtx.core.runtime.IAdaptable;
|
|
|
18 // import dwtx.core.internal.runtime.AdapterManager;
|
|
|
19
|
|
|
20 /**
|
|
|
21 * An abstract superclass implementing the <code>IAdaptable</code>
|
|
|
22 * interface. <code>getAdapter</code> invocations are directed
|
|
|
23 * to the platform's adapter manager.
|
|
|
24 * <p>
|
|
|
25 * Note: In situations where it would be awkward to subclass this
|
|
|
26 * class, the same affect can be achieved simply by implementing
|
|
|
27 * the {@link IAdaptable} interface and explicitly forwarding
|
|
|
28 * the <code>getAdapter</code> request to an implementation
|
|
|
29 * of the {@link IAdapterManager} service. The method would look like:
|
|
|
30 * <pre>
|
|
|
31 * public Object getAdapter(Class adapter) {
|
|
|
32 * IAdapterManager manager = ...;//lookup the IAdapterManager service
|
|
|
33 * return manager.getAdapter(this, adapter);
|
|
|
34 * }
|
|
|
35 * </pre>
|
|
|
36 * </p><p>
|
|
|
37 * This class can be used without OSGi running.
|
|
|
38 * </p><p>
|
|
|
39 * Clients may subclass.
|
|
|
40 * </p>
|
|
|
41 *
|
|
|
42 * @see IAdapterManager
|
|
|
43 * @see IAdaptable
|
|
|
44 */
|
|
|
45 public abstract class PlatformObject : IAdaptable {
|
|
|
46 /**
|
|
|
47 * Constructs a new platform object.
|
|
|
48 */
|
|
|
49 public this() {
|
|
126
|
50 // super();
|
|
122
|
51 }
|
|
|
52
|
|
|
53 /**
|
|
|
54 * Returns an object which is an instance of the given class
|
|
|
55 * associated with this object. Returns <code>null</code> if
|
|
|
56 * no such object can be found.
|
|
|
57 * <p>
|
|
|
58 * This implementation of the method declared by <code>IAdaptable</code>
|
|
|
59 * passes the request along to the platform's adapter manager; roughly
|
|
|
60 * <code>Platform.getAdapterManager().getAdapter(this, adapter)</code>.
|
|
|
61 * Subclasses may override this method (however, if they do so, they
|
|
|
62 * should invoke the method on their superclass to ensure that the
|
|
|
63 * Platform's adapter manager is consulted).
|
|
|
64 * </p>
|
|
|
65 *
|
|
|
66 * @param adapter the class to adapt to
|
|
|
67 * @return the adapted object or <code>null</code>
|
|
|
68 * @see IAdaptable#getAdapter(Class)
|
|
|
69 */
|
|
|
70 public Object getAdapter(ClassInfo adapter) {
|
|
|
71 implMissing( __FILE__, __LINE__ );
|
|
|
72 return null;
|
|
|
73 // return AdapterManager.getDefault().getAdapter(this, adapter);
|
|
|
74 }
|
|
|
75 }
|
