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Java > Open Source Codes > org > apache > geronimo > common > GeronimoEnvironment


1 /**
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17
18 package org.apache.geronimo.common;
19
20 import java.net.URL JavaDoc;
21 import java.io.IOException JavaDoc;
22
23
24 /**
25  * Used to perform common initialization tasks for Geronimo server, deploy, and client environments.
26  * @version $Rev: 476049 $ $Date: 2006-11-16 23:35:17 -0500 (Thu, 16 Nov 2006) $
27  */
28 public class GeronimoEnvironment {
29
30     /**
31      * Performs common initialization for the various Geronimo process environments: server, deploy, and client.
32      */
33     public static void init() {
34         // Setting useCaches to false avoids a memory leak of URLJarFile instances
35 // It's a workaround for a Sun bug (see bug id 4167874). Otherwise,
36 // URLJarFiles will never be garbage collected. o.a.g.deployment.util.DeploymentUtil.readAll()
37 // causes URLJarFiles to be created
38 try {
39             // Protocol/file shouldn't matter.
40 // As long as we don't get an input/output stream, no operations should occur...
41 new URL JavaDoc("http://a").openConnection().setDefaultUseCaches(false);
42         }
43         catch (IOException JavaDoc ioe) {
44             // Can't Log this. Should we send to STDOUT/STDERR?
45 }
46     }
47
48 }
49
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