OIMClient API / OIMConnection API

package com.oimacademy.connection;
import java.util.Hashtable;
import java.util.Properties;
import javax.security.auth.login.LoginException;
import oracle.iam.platform.OIMClient;
import com.oimacademy.properties.OIMProfileReader;
import com.thortech.xl.util.LocalConfiguration;
public class OIMConnection {
 private static String ctxFactory = null;
 private static String serverURL = null;
 private static String appServerType = null;
 private static OIMClient connectionObject = null;
 private static OIMProfileReader properties=null;
 private static String username = "xelsysadm";
 private static String password = "Welcome1";
 private static OIMClient connection() { 
  System.out.println("Startup...");
  System.out.println("Getting configuration..."); 
  //getProperties();
  //setSystemProperties();
  OIMClient localConnection = new OIMClient(getEnvironment());
  try {
   localConnection.login(username, password.toCharArray());
  } catch (LoginException e) {
   e.printStackTrace();
  }
  Properties props = LocalConfiguration.getLocalCoreServerConfiguration();
  System.out.println(props.toString());
  return localConnection;
 }
 public static synchronized OIMClient getConnection() {
  if (connectionObject == null) {
   connectionObject = connection();
  }
  return connectionObject;
 } 
 public static void closeConnection() {
  connectionObject.logout();
 } 
 public static Hashtable<String, String> getEnvironment(){
  getProperties();
  setSystemProperties();
  Hashtable<String, String> env = new Hashtable<String, String>();
  env.put(OIMClient.JAVA_NAMING_PROVIDER_URL, serverURL);
  env.put(OIMClient.JAVA_NAMING_FACTORY_INITIAL, ctxFactory);
  return env;
 } 
 public static void getProperties(){
        properties = new OIMProfileReader();
  appServerType=properties.getString("appserver.type");
  serverURL=properties.getString("oim.jndi.url");
  ctxFactory=properties.getString("bpelprovider.initial.factory"); 
  System.out.println(" serverURL -> "+serverURL);
 } 
 public static void setSystemProperties(){
  //Update path of authwl.conf file according to your environment  
  System.setProperty("java.security.auth.login.config","config/authwl.conf");
         System.setProperty("OIM.AppServerType", appServerType);
        System.setProperty("APPSERVER_TYPE", appServerType);
        System.setProperty("XL.HomeDir","");
        // SSL Port connection    http://oimreferences.blogspot.in/2013/07/oim-java-api-to-connect-oim-ssl-port.html


        /*System.setProperty("javax.net.ssl.trustStoreType","JKS");
        System.setProperty("javax.net.ssl.trustStore","C:/Program Files (x86)/Java/jre1.7.0_45/lib/security/cacerts");
        System.setProperty("javax.net.ssl.trustStorePassword","changeit");         */
        // SSL Port connection
 } 
 public static void main(String args[]){
  getConnection();
  // closeConnection();
   }
}