1 /***
2 * Copyright 2003-2010 Terracotta, Inc.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
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 /***
18 *
19 */
20 package net.sf.ehcache.util;
21
22 /***
23 * Misc. VM utilities.
24 *
25 * @author Ludovic Orban
26 */
27 public class VmUtils {
28
29 private static boolean inGoogleAppEngine;
30
31 static {
32 try {
33 Class.forName("com.google.apphosting.api.DeadlineExceededException");
34 inGoogleAppEngine = true;
35 } catch (ClassNotFoundException cnfe) {
36 inGoogleAppEngine = false;
37 }
38 }
39
40 /***
41 * @return true if the code is being executed by Google's App Engine, false otherwise.
42 */
43 public static boolean isInGoogleAppEngine() {
44 return inGoogleAppEngine;
45 }
46 }