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ConverterBean.java
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ConverterBean.java
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/*
* Copyright (c) 2002, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.s1peqe.security.ssl.converter.ejb;
import java.rmi.RemoteException;
import jakarta.ejb.SessionBean;
import jakarta.ejb.SessionContext;
import java.math.*;
/**
* A simple stateless bean for the Converter application. This bean implements all
* business method as declared by the remote interface, <code>Converter</code>.
*
* @see Converter
* @see ConverterHome
*/
public class ConverterBean implements SessionBean {
BigDecimal yenRate = new BigDecimal("121.6000");
BigDecimal euroRate = new BigDecimal("0.0077");
SessionContext mysc = null;
public String myCallerPrincipal(){
return mysc.getCallerPrincipal().getName();
}
/**
* Returns the yen value for a given dollar amount.
* @param dollars dollar amount to be converted to yen.
*/
public BigDecimal dollarToYen(BigDecimal dollars) {
BigDecimal result = dollars.multiply(yenRate);
return result.setScale(2,BigDecimal.ROUND_UP);
}
/**
* Returns the euro value for a given yen amount.
* @param yen yen amount to be converted to euro.
*/
public BigDecimal yenToEuro(BigDecimal yen) {
BigDecimal result = yen.multiply(euroRate);
return result.setScale(2,BigDecimal.ROUND_UP);
}
/**
* Required by EJB spec.
*/
public ConverterBean() {}
/**
* Creates a bean. Required by EJB spec.
* @exception throws CreateException.
*/
public void ejbCreate() {}
/**
* Removes the bean. Required by EJB spec.
*/
public void ejbRemove() {}
/**
* Loads the state of the bean from secondary storage. Required by EJB spec.
*/
public void ejbActivate() {}
/**
* Keeps the state of the bean to secondary storage. Required by EJB spec.
*/
public void ejbPassivate() {}
/**
* Sets the session context. Required by EJB spec.
* @param ctx A SessionContext object.
*/
public void setSessionContext(SessionContext sc) {
mysc = sc;
}
} // ConverterBean