Mercurial > projects > dwt2
annotate org.eclipse.core.commands/src/org/eclipse/core/commands/common/HandleObjectManager.d @ 12:bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
author | Frank Benoit <benoit@tionex.de> |
---|---|
date | Sat, 14 Mar 2009 18:23:29 +0100 |
parents | |
children |
rev | line source |
---|---|
12
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
1 /******************************************************************************* |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
2 * Copyright (c) 2005, 2006 IBM Corporation and others. |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
3 * All rights reserved. This program and the accompanying materials |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
4 * are made available under the terms of the Eclipse Public License v1.0 |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
5 * which accompanies this distribution, and is available at |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
6 * http://www.eclipse.org/legal/epl-v10.html |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
7 * |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
8 * Contributors: |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
9 * IBM Corporation - initial API and implementation |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
10 * Port to the D programming language: |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
11 * Frank Benoit <benoit@tionex.de> |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
12 *******************************************************************************/ |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
13 |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
14 module org.eclipse.core.commands.common.HandleObjectManager; |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
15 |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
16 import org.eclipse.core.commands.common.HandleObject; |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
17 import org.eclipse.core.commands.common.EventManager; |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
18 import java.lang.all; |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
19 |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
20 import java.util.HashMap; |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
21 import java.util.HashSet; |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
22 import java.util.Iterator; |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
23 import java.util.Map; |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
24 import java.util.Set; |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
25 |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
26 /** |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
27 * <p> |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
28 * A manager of {@link HandleObject} instances. This has some common behaviour |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
29 * which is shared between all such managers. |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
30 * </p> |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
31 * <p> |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
32 * Clients may extend. |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
33 * </p> |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
34 * |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
35 * @since 3.2 |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
36 */ |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
37 public abstract class HandleObjectManager : EventManager { |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
38 |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
39 /** |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
40 * The set of handle objects that are defined. This value may be empty, but |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
41 * it is never <code>null</code>. |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
42 */ |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
43 protected const Set definedHandleObjects; |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
44 |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
45 /** |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
46 * The map of identifiers (<code>String</code>) to handle objects ( |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
47 * <code>HandleObject</code>). This collection may be empty, but it is |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
48 * never <code>null</code>. |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
49 */ |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
50 protected const Map handleObjectsById; |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
51 |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
52 public this(){ |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
53 definedHandleObjects = new HashSet(); |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
54 handleObjectsById = new HashMap(); |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
55 } |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
56 |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
57 /** |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
58 * Verifies that the identifier is valid. Exceptions will be thrown if the |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
59 * identifier is invalid in some way. |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
60 * |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
61 * @param id |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
62 * The identifier to validate; may be anything. |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
63 */ |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
64 protected final void checkId(String id) { |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
65 if (id is null) { |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
66 throw new NullPointerException( |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
67 "A handle object may not have a null identifier"); //$NON-NLS-1$ |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
68 } |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
69 |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
70 if (id.length < 1) { |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
71 throw new IllegalArgumentException( |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
72 "The handle object must not have a zero-length identifier"); //$NON-NLS-1$ |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
73 } |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
74 } |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
75 |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
76 /** |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
77 * Returns the set of identifiers for those handle objects that are defined. |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
78 * |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
79 * @return The set of defined handle object identifiers; this value may be |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
80 * empty, but it is never <code>null</code>. |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
81 */ |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
82 protected final HashSet getDefinedHandleObjectIds() { |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
83 HashSet definedHandleObjectIds = new HashSet(definedHandleObjects |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
84 .size()); |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
85 Iterator handleObjectItr = definedHandleObjects.iterator(); |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
86 while (handleObjectItr.hasNext()) { |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
87 HandleObject handleObject = cast(HandleObject) handleObjectItr |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
88 .next(); |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
89 String id = handleObject.getId(); |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
90 definedHandleObjectIds.add(id); |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
91 } |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
92 return definedHandleObjectIds; |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
93 } |
bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
94 } |