1 /**
2 * This file Copyright (c) 2017 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.ui.framework.ioc;
35
36 import java.util.HashMap;
37 import java.util.Map;
38 import java.util.function.BiConsumer;
39
40 import com.google.inject.Key;
41
42 /**
43 * Key-value storage capable of keeping objects of arbitrary type
44 * mapped to a {@link Key}. Such storages are used to emulate the
45 * the scopes of apps and sub-apps.
46 *
47 * @see SessionStore
48 * @see UiScopes
49 */
50 public final class BeanStore {
51
52 private final Map<Key, Object> storage = new HashMap<>();
53
54 BeanStore() {
55 }
56
57 public void put(Key<?> key, Object bean) {
58 this.storage.put(key, bean);
59 }
60
61 public void put(Class<?> key, Object bean) {
62 this.put(Key.get(key), bean);
63 }
64
65 public <T> T get(Class<? extends T> key) {
66 //noinspection unchecked
67 return (T) this.storage.get(Key.get(key));
68 }
69
70 public <T> T get(Key<? extends T> key) {
71 //noinspection unchecked
72 return (T) this.storage.get(key);
73 }
74
75 public void clear() {
76 this.storage.clear();
77 }
78
79 public void forEach(BiConsumer<? super Key, ? super Object> handler) {
80 storage.forEach(handler);
81 }
82 }