package com.oreilly.jent.security.beans;

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 * In general, you may use the code in this book in your programs and 
 * documentation. You do not need to contact us for permission unless 
 * you're reproducing a significant portion of the code. For example, 
 * writing a program that uses several chunks of code from this book does 
 * not require permission. Selling or distributing a CD-ROM of examples 
 * from O'Reilly books does require permission. Answering a question by 
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 * Incorporating a significant amount of example code from this book into 
 * your product's documentation does require permission.
 * 
 * We appreciate, but do not require, attribution. An attribution usually 
 * includes the title, author, publisher, and ISBN. For example: 
 * 
 *   "Java Enterprise in a Nutshell, Third Edition, 
 *    by Jim Farley and William Crawford 
 *    with Prakash Malani, John G. Norman, and Justin Gehtland. 
 *    Copyright 2006 O'Reilly Media, Inc., 0-596-10142-2."
 *  
 *  If you feel your use of code examples falls outside fair use or the 
 *  permission given above, feel free to contact us at 
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 */

import java.math.BigDecimal;
import java.rmi.RemoteException;
import java.util.logging.Level;
import java.util.logging.Logger;

import javax.ejb.EJBException;
import javax.ejb.SessionBean;
import javax.ejb.SessionContext;
import javax.naming.InitialContext;
import javax.rmi.PortableRemoteObject;

public class TaxManagerBean implements SessionBean {
    protected Logger sLogger = Logger.getLogger(TaxManagerBean.class.getName());
    protected SessionContext mSessionContext;

    public void ejbCreate() {
        sLogger.info("in tax manager bean. ejb create ");
    }

    public BigDecimal calculateTax(BigDecimal aAmount) {
        sLogger.info(
            "  in tax manager bean. calculate tax : "
            + mSessionContext.getCallerPrincipal().getName()
        );
        try {
            InitialContext aContext = new InitialContext();
            Object o = aContext.lookup("java:comp/env/ejb/TaxService");
            TaxServiceHome aHome = (TaxServiceHome) PortableRemoteObject.narrow(
                o,
                TaxServiceHome.class
            );
            TaxService aTaxService = aHome.create();
            return aTaxService.calculateTax(aAmount);
        } catch (Exception e) {
            String aMessage = "Exception occured in tax manager bean.calculat tax method";
            sLogger.log(Level.SEVERE, aMessage, e);
            throw new EJBException(aMessage, e);
        }
    }


    public void setSessionContext(SessionContext aSessionContext) throws EJBException, RemoteException {
        mSessionContext = aSessionContext;
    }

    public void ejbRemove() throws EJBException, RemoteException {
    }

    public void ejbActivate() throws EJBException, RemoteException {
    }

    public void ejbPassivate() throws EJBException, RemoteException {
    }
}