LdapNameUtils.java

   1 package org.argeo.osgi.useradmin;
   2
   3 import javax.naming.InvalidNameException;
   4 import javax.naming.ldap.LdapName;
   5 import javax.naming.ldap.Rdn;
   6
   7 /** Utilities to simplify using {@link LdapName}. */
   8 class LdapNameUtils {
   9
  10         static LdapName relativeName(LdapName prefix, LdapName dn) {
  11                 try {
  12                         if (!dn.startsWith(prefix))
  13                                 throw new IllegalArgumentException("Prefix " + prefix + " not consistent with " + dn);
  14                         LdapName res = (LdapName) dn.clone();
  15                         for (int i = 0; i < prefix.size(); i++) {
  16                                 res.remove(0);
  17                         }
  18                         return res;
  19                 } catch (InvalidNameException e) {
  20                         throw new IllegalStateException("Cannot find realtive name", e);
  21                 }
  22         }
  23
  24         static LdapName getParent(LdapName dn) {
  25                 try {
  26                         LdapName parent = (LdapName) dn.clone();
  27                         parent.remove(parent.size() - 1);
  28                         return parent;
  29                 } catch (InvalidNameException e) {
  30                         throw new IllegalArgumentException("Cannot get parent of " + dn, e);
  31                 }
  32         }
  33
  34         static Rdn getParentRdn(LdapName dn) {
  35                 if (dn.size() < 2)
  36                         throw new IllegalArgumentException(dn + " has no parent");
  37                 Rdn parentRdn = dn.getRdn(dn.size() - 2);
  38                 return parentRdn;
  39         }
  40
  41         static LdapName toLdapName(String distinguishedName) {
  42                 try {
  43                         return new LdapName(distinguishedName);
  44                 } catch (InvalidNameException e) {
  45                         throw new IllegalArgumentException("Cannot parse " + distinguishedName + " as LDAP name", e);
  46                 }
  47         }
  48
  49         static Rdn getLastRdn(LdapName dn) {
  50                 return dn.getRdn(dn.size() - 1);
  51         }
  52
  53         static String getLastRdnAsString(LdapName dn) {
  54                 return getLastRdn(dn).toString();
  55         }
  56
  57         static String getLastRdnValue(LdapName dn) {
  58                 return getLastRdn(dn).getValue().toString();
  59         }
  60
  61         /** singleton */
  62         private LdapNameUtils() {
  63
  64         }
  65 }