?? cartbean.java
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/* * Copyright (c) 2006 Sun Microsystems, Inc. All rights reserved. U.S. * Government Rights - Commercial software. Government users are subject * to the Sun Microsystems, Inc. standard license agreement and * applicable provisions of the FAR and its supplements. Use is subject * to license terms. * * This distribution may include materials developed by third parties. * Sun, Sun Microsystems, the Sun logo, Java and J2EE are trademarks * or registered trademarks of Sun Microsystems, Inc. in the U.S. and * other countries. * * Copyright (c) 2006 Sun Microsystems, Inc. Tous droits reserves. * * Droits du gouvernement americain, utilisateurs gouvernementaux - logiciel * commercial. Les utilisateurs gouvernementaux sont soumis au contrat de * licence standard de Sun Microsystems, Inc., ainsi qu'aux dispositions * en vigueur de la FAR (Federal Acquisition Regulations) et des * supplements a celles-ci. Distribue par des licences qui en * restreignent l'utilisation. * * Cette distribution peut comprendre des composants developpes par des * tierces parties. Sun, Sun Microsystems, le logo Sun, Java et J2EE * sont des marques de fabrique ou des marques deposees de Sun * Microsystems, Inc. aux Etats-Unis et dans d'autres pays. */package cart.secure.ejb;import java.util.ArrayList;import java.util.List;import javax.ejb.Remove;import javax.ejb.Stateful;import javax.annotation.security.RolesAllowed;@Statefulpublic class CartBean implements Cart { List<String> contents; String customerId; String customerName; public void initialize(String person) throws BookException { if (person == null) { throw new BookException("Null person not allowed."); } else { customerName = person; } customerId = "0"; contents = new ArrayList<String>(); } public void initialize( String person, String id) throws BookException { if (person == null) { throw new BookException("Null person not allowed."); } else { customerName = person; } IdVerifier idChecker = new IdVerifier(); if (idChecker.validate(id)) { customerId = id; } else { throw new BookException("Invalid id: " + id); } contents = new ArrayList<String>(); } @RolesAllowed("CartUser") public void addBook(String title) { contents.add(title); } @RolesAllowed("CartUser") public void removeBook(String title) throws BookException { boolean result = contents.remove(title); if (result == false) { throw new BookException("\"" + title + "\" not in cart."); } } @RolesAllowed("CartUser") public List<String> getContents() { return contents; } @Remove() public void remove() { contents = null; }}
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