LoaderManager


1   /**
2    * PETALS - PETALS Services Platform.
3    * Copyright (c) 2005 Fossil E-Commerce, http://www.fossilec.com/
4    *
5    * This library is free software; you can redistribute it and/or
6    * modify it under the terms of the GNU Lesser General Public
7    * License as published by the Free Software Foundation; either
8    * version 2.1 of the License, or (at your option) any later version.
9    * This library is distributed in the hope that it will be useful,
10   * but WITHOUT ANY WARRANTY; without even the implied warranty of
11   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12   * Lesser General Public License for more details.
13   *
14   * You should have received a copy of the GNU Lesser General Public
15   * License along with this library; if not, write to the Free Software
16   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
17   *
18   * -------------------------------------------------------------------------
19   * $Id: LoaderManager.java 241 2006-04-19 13:16:21Z alouis $
20   * -------------------------------------------------------------------------
21   */
22  package org.objectweb.petals.classloader;
23  
24  import java.net.URL  ;
25  import java.net.URLClassLoader  ;
26  import java.util.List  ;
27  
28  import org.objectweb.petals.PetalsException;
29  
30  /**
31   * 
32   * @version $Rev: 241 $ $Date: 2006-04-19 13:16:21Z $
33   * @since   Petals 1.0
34   * @author  Adrien LOUIS, <a HREF="mailto:rmarins@fossilec.com">Rafael Marins</a>
35   */
36  public interface LoaderManager {
37      
38      
39      /**
40       * Must not return null.
41       * @param baseUrls
42       * @param classpathUrls
43       * @param useParentFirst
44       * @return
45       * @throws PetalsException
46       */
47      public URLClassLoader   createClassLoader(URL  [] baseUrls, List  <String  > classpathUrls, boolean useParentFirst)
48      throws PetalsException;
49      
50  /**
51   * 
52   * @param classLoaderId
53   * @param baseUrls
54   * @param classpathUrls
55   * @param useParentFirst
56   * @param sharedLibrariesNameList
57   * @return
58   * @throws PetalsException
59   */ 
60      public URLClassLoader   createComponentClassLoader(String   classLoaderId, URL  [] baseUrls, List  <String  > classpathUrls,
61              boolean useParentFirst, List  <String  > sharedLibrariesNameList) throws PetalsException;
62  
63      
64      /**
65       * Create a classloader for a sharedLibrary.
66       * This classLoader will be added to the SharedLibrariesClassLoader.
67       * @param baseUrls
68       * @param classpathUrls
69       * @param useParentFirst
70       * @return
71       * @throws PetalsException
72       */
73      public URLClassLoader   createSharedLibrariesClassLoader(String   classLoaderId, URL  [] baseUrls, List  <String  > classpathUrls,
74              boolean useParentFirst) throws PetalsException; 
75      
76      public boolean containsClassLoader(String   classLoaderId);
77      
78      /** 
79       * Remove the classLoader from the list.
80       * If the classLoader is a ClassLoader for sharedLibraries,
81       * remove it from the SharedLibrariesClassLoader
82       */
83      public void deleteClassLoader(String   classLoaderId);
84  }
85
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