org.argeo.enterprise/src/org/argeo/osgi/useradmin/UserDirectoryWorkingCopy.java

   1 package org.argeo.osgi.useradmin;
   2
   3 import java.util.HashMap;
   4 import java.util.Map;
   5
   6 import javax.naming.directory.Attributes;
   7 import javax.naming.ldap.LdapName;
   8 import javax.transaction.xa.XAResource;
   9
  10 /** {@link XAResource} for a user directory being edited. */
  11 class UserDirectoryWorkingCopy {
  12         // private final static Log log = LogFactory
  13         // .getLog(UserDirectoryWorkingCopy.class);
  14
  15         private Map<LdapName, DirectoryUser> newUsers = new HashMap<LdapName, DirectoryUser>();
  16         private Map<LdapName, Attributes> modifiedUsers = new HashMap<LdapName, Attributes>();
  17         private Map<LdapName, DirectoryUser> deletedUsers = new HashMap<LdapName, DirectoryUser>();
  18
  19         void cleanUp() {
  20                 // clean collections
  21                 newUsers.clear();
  22                 newUsers = null;
  23                 modifiedUsers.clear();
  24                 modifiedUsers = null;
  25                 deletedUsers.clear();
  26                 deletedUsers = null;
  27         }
  28
  29         public boolean noModifications() {
  30                 return newUsers.size() == 0 && modifiedUsers.size() == 0
  31                                 && deletedUsers.size() == 0;
  32         }
  33
  34         public Attributes getAttributes(LdapName dn) {
  35                 if (modifiedUsers.containsKey(dn))
  36                         return modifiedUsers.get(dn);
  37                 return null;
  38         }
  39
  40         public void startEditing(DirectoryUser user) {
  41                 LdapName dn = user.getDn();
  42                 if (modifiedUsers.containsKey(dn))
  43                         throw new UserDirectoryException("Already editing " + dn);
  44                 modifiedUsers.put(dn, (Attributes) user.getAttributes().clone());
  45         }
  46
  47         public Map<LdapName, DirectoryUser> getNewUsers() {
  48                 return newUsers;
  49         }
  50
  51         public Map<LdapName, DirectoryUser> getDeletedUsers() {
  52                 return deletedUsers;
  53         }
  54
  55         public Map<LdapName, Attributes> getModifiedUsers() {
  56                 return modifiedUsers;
  57         }
  58 }