01 /*
02 * Copyright 2010-2012 the original author or authors.
03 *
04 * Licensed under the Apache License, Version 2.0 (the "License");
05 * you may not use this file except in compliance with the License.
06 * You may obtain a copy of the License at
07 *
08 * http://www.apache.org/licenses/LICENSE-2.0
09 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package griffon.util;
17
18 import griffon.core.GriffonApplication;
19
20 /**
21 * Utility class that holds a reference to the current application.<p>
22 * Usage of this class with Griffon artifacts/addons instances is highly discouraged
23 * as those instances should have an <tt>app</tt> property of their own. This class
24 * is provided as a convenience for non Griffon artifacts.
25 *
26 * @author Andres Almiray
27 * @since 0.9.1
28 */
29 public class ApplicationHolder {
30 private static GriffonApplication applicationInstance;
31
32 /**
33 * Returns the current running application.
34 *
35 * @return a reference to the current running application
36 */
37 public static synchronized GriffonApplication getApplication() {
38 return applicationInstance;
39 }
40
41 /**
42 * Stores a reference to an application.
43 *
44 * @param application an application instance
45 */
46 public static synchronized void setApplication(GriffonApplication application) {
47 applicationInstance = application;
48 }
49 }
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