Java/JNDI LDAP/LdapContext

Getting LDAP Response Controls

   <source lang="java">

import java.util.Hashtable; import javax.naming.Context; import javax.naming.NamingEnumeration; import javax.naming.directory.SearchResult; import javax.naming.ldap.HasControls; import javax.naming.ldap.InitialLdapContext; import javax.naming.ldap.LdapContext; public class Main {

 public static void main(String[] argv) throws Exception {
   String url = "ldap://localhost/o=JNDITutorial";
   Hashtable<String, String> env = new Hashtable<String, String>();
   env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
   env.put(Context.PROVIDER_URL, url);
   env.put(Context.SECURITY_AUTHENTICATION, "simple");
   env.put(Context.SECURITY_PRINCIPAL, "userDN");
   env.put(Context.SECURITY_CREDENTIALS, "secret");
   LdapContext ctx = new InitialLdapContext(env, null);
   NamingEnumeration answer = ctx.search("ou=People", "(cn=*)", null);
   System.out.println(ctx.getResponseControls());
   while (answer.hasMore()) {
     SearchResult si = (SearchResult) answer.next();
     if (si instanceof HasControls) {
       System.out.println(((HasControls) si).getControls());
     }
   }
   System.out.println(ctx.getResponseControls());
 }

}

 </source>
   
  
 
  

how to look up an object

   <source lang="java">

/*

* Copyright (c) 1995 - 2008 Sun Microsystems, Inc.  All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
*   - Redistributions of source code must retain the above copyright
*     notice, this list of conditions and the following disclaimer.
*
*   - Redistributions in binary form must reproduce the above copyright
*     notice, this list of conditions and the following disclaimer in the
*     documentation and/or other materials provided with the distribution.
*
*   - Neither the name of Sun Microsystems nor the names of its
*     contributors may be used to endorse or promote products derived
*     from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

import java.util.Hashtable; import javax.naming.Context; import javax.naming.InitialContext; import javax.naming.NamingException; import javax.naming.ldap.LdapContext; /**

* Demonstrates how to look up an object.
* 
* usage: java Lookup
*/

class Lookup {

 public static void main(String[] args) {
   // Set up the environment for creating the initial context
   Hashtable<String, Object> env = new Hashtable<String, Object>(11);
   env
       .put(Context.INITIAL_CONTEXT_FACTORY,
           "com.sun.jndi.ldap.LdapCtxFactory");
   env.put(Context.PROVIDER_URL, "ldap://localhost:389/o=JNDITutorial");
   try {
     // Create the initial context
     Context ctx = new InitialContext(env);
     // Perform lookup and cast to target type
     LdapContext b = (LdapContext) ctx.lookup("cn=Rosanna Lee,ou=People");
     System.out.println(b);
     // Close the context when we"re done
     ctx.close();
   } catch (NamingException e) {
     System.out.println("Lookup failed: " + e);
   }
 }

}

 </source>
   
  
 
  

Setting LDAP Connection Request Controls

   <source lang="java">

import java.util.Hashtable; import javax.naming.Context; import javax.naming.ldap.Control; import javax.naming.ldap.InitialLdapContext; import javax.naming.ldap.LdapContext; public class Main {

 public static void main(String[] argv) throws Exception {
   String url = "ldap://localhost/o=JNDITutorial";
   Hashtable<String, String> env = new Hashtable<String, String>();
   env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
   env.put(Context.PROVIDER_URL, url);
   env.put(Context.SECURITY_AUTHENTICATION, "simple");
   env.put(Context.SECURITY_PRINCIPAL, "userDN");
   env.put(Context.SECURITY_CREDENTIALS, "secret");
   // Create connection controls to use
   Control[] connectCtls = new Control[] { null };
   LdapContext ctx = new InitialLdapContext(env, connectCtls);
 }

}

 </source>
   
  
 
  

Setting LDAP Context Request Controls

   <source lang="java">

import java.util.Hashtable; import javax.naming.Context; import javax.naming.NameClassPair; import javax.naming.NamingEnumeration; import javax.naming.ldap.Control; import javax.naming.ldap.InitialLdapContext; import javax.naming.ldap.LdapContext; import javax.naming.ldap.SortControl; public class Main {

 public static void main(String[] argv) throws Exception {
   String url = "ldap://localhost/o=JNDITutorial";
   Hashtable<String, String> env = new Hashtable<String, String>();
   env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
   env.put(Context.PROVIDER_URL, url);
   env.put(Context.SECURITY_AUTHENTICATION, "simple");
   env.put(Context.SECURITY_PRINCIPAL, "userDN");
   env.put(Context.SECURITY_CREDENTIALS, "secret");
 
   Control[] connectCtls = new Control[] { null };
   LdapContext ctx = new InitialLdapContext(env, null);
   Control[] ctxCtls = new Control[] { new SortControl(new String[] { "cn" }, Control.CRITICAL) };
   ctx.setRequestControls(ctxCtls);
   NamingEnumeration answer = ctx.list("");
   while (answer.hasMore()) {
     NameClassPair item = (NameClassPair) answer.next();
   }
 }

}

 </source>
   
  
 
  

Use Person class to add an entry to the LDAP server

   <source lang="java">

import java.util.Hashtable; import javax.naming.Context; import javax.naming.directory.DirContext; import javax.naming.directory.InitialDirContext; public class Main {

 public static String INITCTX = "com.sun.jndi.ldap.LdapCtxFactory";
 public static String MY_HOST = "ldap://localhost:389";
 public static String MGR_DN = "uid=yourid, ou=People, o=java.ru";
 public static String MGR_PW = "password";
 public static String MY_SEARCHBASE = "o=java.ru";
 public static void main(String args[]) throws Exception {
   Hashtable<String, String> env = new Hashtable<String, String>();
   env.put(Context.INITIAL_CONTEXT_FACTORY, INITCTX);
   env.put(Context.PROVIDER_URL, MY_HOST);
   env.put(Context.SECURITY_AUTHENTICATION, "simple");
   env.put(Context.SECURITY_PRINCIPAL, MGR_DN);
   env.put(Context.SECURITY_CREDENTIALS, MGR_PW);
   DirContext ctx = new InitialDirContext(env);
   Person p = new Person();
   ctx.bind("uid=mewilcox, ou=People, o=airius.ru", p);
 }

} class Person{

 String name="name";

}

 </source>