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 && deletedUsers.size() == 0;
  31         }
  32
  33         public Attributes getAttributes(LdapName dn) {
  34                 if (modifiedUsers.containsKey(dn))
  35                         return modifiedUsers.get(dn);
  36                 return null;
  37         }
  38
  39         public void startEditing(DirectoryUser user) {
  40                 LdapName dn = user.getDn();
  41                 if (modifiedUsers.containsKey(dn))
  42                         throw new IllegalStateException("Already editing " + dn);
  43                 modifiedUsers.put(dn, (Attributes) user.getAttributes().clone());
  44         }
  45
  46         public Map<LdapName, DirectoryUser> getNewUsers() {
  47                 return newUsers;
  48         }
  49
  50         public Map<LdapName, DirectoryUser> getDeletedUsers() {
  51                 return deletedUsers;
  52         }
  53
  54         public Map<LdapName, Attributes> getModifiedUsers() {
  55                 return modifiedUsers;
  56         }
  57 }