Java obtains AD domain user information

How does java obtain AD domain user information? Http://aa00aa00.iteye.com/blog/1276936http://blog.sina.com.cn/s/blog_6ef2c4540100nuvq.html package com. webservice. message; import java. util. hashtable; import javax. naming. context; import javax. naming. namingEnumeration; import javax. naming. namingException; import javax. naming. directory. attribute; import javax. naming. directory. attributes; import javax. naming. directory. searchControls; import javax. naming. dir Ecloud. searchResult; import javax. naming. ldap. initialLdapContext; import javax. naming. ldap. ldapContext; public class ADOperTest {public ADOperTest () {} public String GetADInfo (String name) {String userName = name; // user name if (userName = null) {userName = "" ;}string company = ""; String host = "10.10.10.21"; // AD server String port = "389 "; // port String url = new String ("ldap: //" + host + ":" + port); Hashtable HashEnv = new Hashtable (); // String adminName = "CN = oyxiaoyuanxy, CN = Users, DC = Hebmc, DC = com "; // AD username String adminName = "cq \ administrator"; // note the username Syntax: domain \ User String adminPassword = "prd @"; // password HashEnv. put (Context. SECURITY_AUTHENTICATION, "simple"); // LDAP access security level HashEnv. put (Context. SECURITY_PRINCIPAL, adminName); // AD User HashEnv. put (Context. SECURITY_CREDENTIALS, adminPasswor D); // AD Password HashEnv. put (Context. INITIAL_CONTEXT_FACTORY, "com. sun. jndi. ldap. ldapCtxFactory "); // LDAP factory class HashEnv. put (Context. PROVIDER_URL, url); try {LdapContext ctx = new InitialLdapContext (HashEnv, null); // domain node String searchBase = "OU = Chongqing tobacco, DC = cq, DC = tobacco, DC = com, DC = cn "; // LDAP search filter class String searchFilter =" objectClass = User "; // search controller SearchControls searchCtls = new SearchControls ();// Create the // search // controls // Create a search controller searchCtls. setSearchScope (SearchControls. SUBTREE_SCOPE); // Specify // the // search // scope // set the search range // searchCtls. setSearchScope (SearchControls. OBJECT_SCOPE); // Specify the search scope to Set the search range // String returnedAtts [] = {"memberOf", "distinguishedName", // "Pwd-Last-Set ", "User-Password", "cn"}; // custom return attribute String returnedAtts [] = {"company"}; // set Returns the property // String returnedAtts [] = {"url", "whenChanged", "employeeID", // "name", "userPrincipalName", "physicalDeliveryOfficeName ", // "departmentNumber", "telephoneNumber", "homePhone", // "mobile", "department", "sAMAccountName", "whenChanged", // "mail "}; // customize the returned property searchCtls. setReturningAttributes (returnedAtts); // set the returned attribute set. // search for LDAP Based on the configured domain node, filter class, and search controller. The result is NamingEnumeration answer = ctx. searc H (searchBase, searchFilter, searchCtls); // Search for objects using the filter // the initial Search result is 0 int totalResults = 0; // Specify the attributes to return int rows = 0; while (answer. hasMoreElements () {// traverse the result set SearchResult sr = (SearchResult) answer. next (); // get the DN System that meets the search criteria. out. println (++ rows + "********************************* ***************"); string dn = sr. getName (); System. out. println (dn ); String match = dn. split ("CN =") [1]. split (",") [0]; // The return format is generally CN = ptyh, OU = monopoly System. out. println (match); if (userName. equals (match) {Attributes Attrs = sr. getAttributes (); // obtain the if (Attrs! = Null) {try {for (NamingEnumeration ne = Attrs. getAll (); ne. hasMore ();) {Attribute Attr = (Attribute) ne. next (); // get the next attribute System. out. println ("AttributeID = property name:" + Attr. getID (). toString (); // read the attribute value for (NamingEnumeration e = Attr. getAll (); e. hasMore (); totalResults ++) {company = e. next (). toString (); System. out. println ("AttributeValues = property value:" + company);} System. out. println ("---------------") ;}} catch (NamingException e) {System. err. println ("Throw Exception:" + e) ;}// if }// while System. out. println ("************************************* ***********"); system. out. println ("Number:" + totalResults); ctx. close ();} catch (NamingException e) {e. printStackTrace (); System. err. println ("Throw Exception:" + e);} return company;} public static void main (String args []) {// instantiate ADOperTest ad = new ADOperTest (); ad. getADInfo ("shz ");}}