ConnectorClassLoaderUtils


1   
2   /*
3    * The contents of this file are subject to the terms 
4    * of the Common Development and Distribution License 
5    * (the License).  You may not use this file except in
6    * compliance with the License.
7    * 
8    * You can obtain a copy of the license at 
9    * https://glassfish.dev.java.net/public/CDDLv1.0.html or
10   * glassfish/bootstrap/legal/CDDLv1.0.txt.
11   * See the License for the specific language governing 
12   * permissions and limitations under the License.
13   * 
14   * When distributing Covered Code, include this CDDL 
15   * Header Notice in each file and include the License file 
16   * at glassfish/bootstrap/legal/CDDLv1.0.txt.  
17   * If applicable, add the following below the CDDL Header, 
18   * with the fields enclosed by brackets [] replaced by
19   * you own identifying information: 
20   * "Portions Copyrighted [year] [name of copyright owner]"
21   * 
22   * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
23   */
24  
25  package com.sun.enterprise.connectors.util;
26  
27  import com.sun.enterprise.connectors.*;
28  import com.sun.enterprise.util.*;
29  import java.io.IOException  ;
30  import java.lang.ClassLoader  ;
31  import com.sun.logging.LogDomains;
32  import java.util.logging.*;
33  import java.io.File  ;
34  import java.net.*;
35  
36  
37  /** 
38   * This is an util class to get the ClassLoader pertaining to the 
39   * stand alone connector modules.
40   * @author Srikanth P
41   */
42  
43  public class ConnectorClassLoaderUtils {
44  
45      static Logger _logger = LogDomains.getLogger(LogDomains.RSR_LOGGER);
46      
47      /**
48       *  Obtains the class loader. The Connector class loader is a
49       *  singleton instance. The directory where rar is exploded  is
50       *  added to the classloader path before returing the instance.
51       *  @param moduleDir Directory where rar is exploded 
52       *  @return connector Classloader instance 
53       */
54  
55      public static ClassLoader   getClassLoader(String   moduleDir) {
56          try {
57              ClassLoader   jcl = null;
58              jcl = ConnectorClassLoader.getInstance();
59              File   f = new File  (moduleDir);
60                         ((ConnectorClassLoader)jcl).appendURL(f);
61              return jcl;
62          } catch (IOException   ex) {
63              _logger.log(Level.SEVERE,
64                       "rardeployment.malfarmed_url_for_classloader",moduleDir);
65          }
66          return null;
67      }
68  }
69
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