To execute below code you have to add following jars in classpath:
- commons-logging.jar
 
- eclipselink.jar
 
- jrf-api.jar
 
- oimclient.jar
 
- spring.jar
 
- wlfullclient.jar
 
Stand Alone Code:
 
import java.io.File;
import java.io.FileInputStream;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.Hashtable;
import javax.security.auth.login.LoginException;
import oracle.iam.identity.exception.NoSuchUserException;
import oracle.iam.identity.exception.SearchKeyNotUniqueException;
import oracle.iam.identity.exception.UserManagerException;
import oracle.iam.identity.usermgmt.api.UserManager;
import oracle.iam.identity.usermgmt.api.UserManagerConstants;
import oracle.iam.platform.OIMClient;
import oracle.iam.platform.authz.exception.AccessDeniedException;
import oracle.iam.platform.pluginframework.PluginException;
import oracle.iam.platformservice.api.PlatformService;
import oracle.iam.platformservice.exception.PlatformServiceAccessDeniedException;
import com.bea.common.security.xacml.IOException;
public class PluginUtility {
    static OIMClient oimClient = null;
        
    //identity self service details
    String username = "xelsysadm";
    String password = "<password>"; //xelsysadm password
    String t3url = "t3://<hostname>:<port>"; //OIM HostName and Port
    String authwl_location = "<location of authwl.conf file in your local machine>";
    
    public void getOIMConnection() {
        System.out.println("getOIMConnection() : Start");
        //set system properties
        System.setProperty("java.security.auth.login.config", authwl_location);
        System.setProperty("OIM.AppServerType", "wls");
        System.setProperty("APPSERVER_TYPE", "wls");
        Hashtable oimenv = new Hashtable();
        oimenv.put(OIMClient.JAVA_NAMING_FACTORY_INITIAL, "weblogic.jndi.WLInitialContextFactory");
        oimenv.put(OIMClient.JAVA_NAMING_PROVIDER_URL,t3url); 
        oimClient = new OIMClient(oimenv);
        try {
            oimClient.login(username, password.toCharArray());
            System.out.println("Connected");
        } catch (LoginException e) {
            e.printStackTrace();
        }
        System.out.println("getOIMConnection() : End");
    }
    public void registerPlugin() throws Exception{
        System.out.println("registerPlugin() : Start");
        System.setProperty("java.security.policy","<location of xl.policy file in your local machine>"); //eg. D:\\designconsole\\config\\xl.policy"
        PlatformService service = oimClient.getService(PlatformService.class);
        System.out.println("Platforn service initialised..: "+service.toString());
       
        File zipFile = new File("<plugin file path>"); //e.g: D:\\plugin.zip
        System.out.println("File read from the system...");
        FileInputStream fis = new FileInputStream(zipFile);
        System.out.println("Input stream created...");
       
        int size = (int) zipFile.length();
        byte[] b = new byte[size];
        int bytesRead = fis.read(b, 0, size);
       
        while (bytesRead < size) {
            bytesRead += fis.read(b, bytesRead, size - bytesRead);
        }
        fis.close();
       
        System.out.println("Register plugin...");
        service.registerPlugin(b);       
    
        System.out.println("Plugin Registered Successfully");
        System.out.println("registerPlugin() : End");
    }
    
    public void unregisterPlugin() throws Exception{
        System.out.println("unregisterPlugin() : Start");
        System.setProperty("java.security.policy","<location of xl.policy file in your local machine>"); //eg. D:\\designconsole\\config\\xl.policy"
        PlatformService service = oimClient.getService(PlatformService.class);
        System.out.println("Platforn service initialised..: "+service.toString());
        System.out.println("Unregister plugin...");
       
        //e.g: service.unRegisterPlugin("com.plugin.example.OIMNotification", "1.0");   
        service.unRegisterPlugin("<full qualified class name>", "<version>");       
        System.out.println("Plugin Unregistered Successfully");
        System.out.println("unregisterPlugin() : End");
    }
    
    public static void main(String[] args) {
        try {
            PluginUtility pluginUtility = new PluginUtility();
           
            //get OIM handle
            pluginUtility.getOIMConnection();
           
            //register plugin
            pluginUtility.registerPlugin();
           
            //unregister plugin
            //pluginUtility.unregisterPlugin();
       
        } catch (Exception e) {
            e.printStackTrace();
        }                    
    }
 Happy Learning!!!