package org.jboss.book.jmx.ex2;// The JNDIMap MBean implementationimport java.util.HashMap;import javax.naming.InitialContext;import javax.naming.Name;import javax.naming.NamingException;import org.jboss.naming.NonSerializableFactory;/** An example MBean that extends the JBoss ServiceMBeanSupport class.This is version 2 as shown in Listing 2.5.*/public class JNDIMap extends org.jboss.system.ServiceMBeanSupport  implements JNDIMapMBean{  private String jndiName;  private HashMap contextMap = new HashMap();  public String getJndiName()  {     return jndiName;  }  public void setJndiName(String jndiName) throws NamingException  {    String oldName = this.jndiName;    this.jndiName = jndiName;    if( super.getState() == STARTED )    {      unbind(oldName);      try      {        rebind();      }      catch(Exception e)      {        NamingException ne = new          NamingException("Failed to update jndiName");        ne.setRootCause(e);        throw ne;      }    }  }  public void startService() throws Exception  {    rebind();  }  public void stopService()  {    unbind(jndiName);  }  private void rebind() throws NamingException  {    InitialContext rootCtx = new InitialContext();    Name fullName = rootCtx.getNameParser("").parse(jndiName);    log.info("fullName="+fullName);    NonSerializableFactory.rebind(fullName, contextMap, true);  }  private void unbind(String jndiName)  {    try    {      InitialContext rootCtx = new InitialContext();      rootCtx.unbind(jndiName);      NonSerializableFactory.unbind(jndiName);    }    catch(NamingException e)    {      log.error("Failed to unbind map", e);    }  }}