01 /*
02 * Copyright 2009-2012 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
17 package org.codehaus.griffon.runtime.util;
18
19 import griffon.util.GriffonExceptionHandler;
20 import griffon.util.UIThreadHandler;
21
22 import java.util.concurrent.ExecutorService;
23 import java.util.concurrent.Executors;
24
25 /**
26 * Base implementation of {@code UIThreadHandler}
27 *
28 * @author Andres Almiray
29 */
30 public abstract class AbstractUIThreadHandler implements UIThreadHandler {
31 protected static final ExecutorService DEFAULT_EXECUTOR_SERVICE = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors());
32 private static final Thread.UncaughtExceptionHandler UNCAUGHT_EXCEPTION_HANDLER = new GriffonExceptionHandler();
33
34 public void executeOutside(final Runnable runnable) {
35 if (!isUIThread()) {
36 runnable.run();
37 } else {
38 DEFAULT_EXECUTOR_SERVICE.submit(new Runnable() {
39 public void run() {
40 try {
41 runnable.run();
42 } catch (Throwable throwable) {
43 UNCAUGHT_EXCEPTION_HANDLER.uncaughtException(Thread.currentThread(), throwable);
44 }
45 }
46 });
47 }
48 }
49 }
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