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package org.simplity.kernel.ldap;

import java.util.Hashtable;

import javax.naming.NamingException;
import javax.naming.directory.DirContext;
import javax.naming.directory.InitialDirContext;

import org.simplity.kernel.ApplicationError;
import org.simplity.kernel.Tracer;

public class LdapProperties {

    protected static String factory;
    protected static String ldapurl;
    protected static String authentication;
    protected static String principal;
    protected static String credentials;
     
	public static DirContext getInitialDirContext() {		
		DirContext ctx = null;
		Hashtable env = new Hashtable();
		env.put("java.naming.factory.initial", factory);
		env.put("java.naming.provider.url", ldapurl);
		env.put("java.naming.security.authentication", authentication);
		env.put("java.naming.security.principal", principal);
		env.put("java.naming.security.credentials", credentials);
		try {
			ctx = new InitialDirContext(env); 
		} catch (NamingException ne) {
			throw new ApplicationError("LdapFactory Failed to connect to LDAP: " + ldapurl);
		}
		return ctx;
	}

/**
 * The method is used to authenticating the credentials during login
 * @param principalAuth
 * @param credentialsAuth
 * @return
 */
	public static DirContext getInitialDirContext(String principalAuth,String credentialsAuth) {
		DirContext ctx = null;
		Hashtable env = new Hashtable();
		env.put("java.naming.factory.initial", factory);
		env.put("java.naming.provider.url", ldapurl);
		env.put("java.naming.security.authentication", authentication);
		env.put("java.naming.security.principal", principalAuth);
		env.put("java.naming.security.credentials", credentialsAuth);
		try {
			ctx = new InitialDirContext(env);
		} catch (NamingException e) {				
			Tracer.trace("Unable to connect the LDAP, Authentication failed ;"+e.getMessage());
		}
		return ctx;
	}
}