LDAP Connection Test

package com.ldap;

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.InitialDirContext;
import javax.naming.directory.SearchControls;
import javax.naming.directory.SearchResult;

public class LDAPConnectionTest {
	public static String INITCTX = "com.sun.jndi.ldap.LdapCtxFactory";

	public static String MY_HOST = "ldap://doaminName:389";

	public static String MY_SEARCHBASE = "DC=doaminName,DC=companyName,DC=com";

	public static String MY_FILTER = "(sAMAccountName=${u})";

	public static String PTE_AM_LDAP_VALUE = "LDAP://doaminName/CN=!Res-Test01,OU=Test Accounts,OU=Associates,DC=doaminName,DC=companyName,DC=com";

	public static String MGR_DN = "CN=Service Account\\, userid,OU=ServiceAccounts,OU=ServerAdministration,DC=doaminName,DC=companyName,DC=com";

	public static String MGR_PW = "Password";

	public static void main(String[] args) throws NamingException {
		// Connect to LDAP server.
		Hashtable<String, String> env = new Hashtable<String, String>(11);
		env.put(Context.INITIAL_CONTEXT_FACTORY,
				"com.sun.jndi.ldap.LdapCtxFactory");
		env.put(Context.PROVIDER_URL, "ldap://" + "companyName.com" + ":"
				+ "389");

		InitialDirContext ctx = null;
		try {
			ctx = new InitialDirContext(env);
		} catch (Exception e) {
			e.printStackTrace();
		}

		String[] searchAttrs = { "ldapSearchAttribs" };
		SearchControls constraints1 = new SearchControls();
		constraints1.setSearchScope(SearchControls.SUBTREE_SCOPE);
		constraints1.setCountLimit(0);
		constraints1.setTimeLimit(0);

		constraints1.setReturningAttributes(searchAttrs);

		StringBuffer s = new StringBuffer("ldapSearchTmpl");
		int idx = s.toString().indexOf("?");
		s.replace(idx, idx + 1, "user");

		// Search for user's email given matching user ID.
		String email = null;
		try {
			NamingEnumeration<SearchResult> answer = ctx.search("ldapRootDN",
					s.toString(), constraints1);

			while (answer.hasMore()) {
				SearchResult ldapResult = answer.next();
				Attributes attrs = ldapResult.getAttributes();
				Attribute emailAttr = attrs.get("ldapSearchAttribs");
				email = (String) emailAttr.get();
			}
			ctx.close();

		} catch (Exception e) {
			e.printStackTrace();
		}

	}
}