Practica n° 7

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Practica n° 7

  1. 1. ACTIVIDADESEjecutar y analizar la solución de cada uno de los ejemplos.EJEMPLO 1Desarrollar un script en JSP .SOLUCIÓNarrayexample3.jsp <html> <head> <title>Chapter 5 Examples</title> </head> <body> Simple Catalog Browsing Example&nbsp; <p>&nbsp;</p> <form method="POST" action="arrayexample3handler.jsp"> <table border="0" cellpadding="0" cellspacing="0" width="439"> <tr> <td width="157"><b>Browse Catalog</b></td> <td width="128"></td> <td width="148"></td> </tr> <tr> <td width="157" bgcolor="#C0C0C0"> <font color="#FFFFFF">Product</font> </td> <td width="128" bgcolor="#C0C0C0"> <font color="#FFFFFF">ListPrice</font> </td> <td width="148" bgcolor="#C0C0C0"> <font color="#FFFFFF">Select</font> </td> </tr> <tr> <td width="157">Wrox Press Beginning JSP</td> <td width="128">$49.99</td> <td width="148"> <input type="checkbox" name="productid" value="1" /> </td> </tr> <tr> <td width="157">Wrox Press Professional JSP</td> <td width="128">$59.99</td> <td width="148"> <input type="checkbox" name="productid" value="2" /> </td> </tr> 3
  2. 2. <tr> <td width="157">Wrox Press Beginning Java</td> <td width="128">$39.99</td> <td width="148"> <input type="checkbox" name="productid" value="3" /> </td> </tr> </table> <p> <input type="submit" value="Add To Shopping Cart" name="AddToShoppingCartBtn" /> </p> </form> </body> </html>arrayexample3handler.jsp <%@ page info="Array Example 3"%> <%@ page import="com.wrox.begjsp.arrayexample3.ProductManager"%> <%@ page import="com.wrox.begjsp.arrayexample3.Product"%> <html> <head> <title>Chapter 5 Examples</title> </head> <body> <b>Array Example 3 ( Response ) </b><br /><br /> <jsp:useBean id="pm" class="com.wrox.begjsp.arrayexample3.ProductManager" scope="session"> </jsp:useBean> <% String[] selProducts = request.getParameterValues("productid"); int selProductsCount = 0; if (selProducts == null) { out.println("You did not select any products"); } else { selProductsCount = selProducts.length; out.println("Your Shopping Cart now has :" +"<BR>"); for(int i=0;i<selProductsCount;i++) { int ProductId = Integer.parseInt(selProducts[i]); Product prod = pm.getProductDetails(ProductId); out.println(prod.getProductName()); out.println(prod.getProductPrice()); out.println("<BR>"); } } 4
  3. 3. %> </body> </html>Product.java package com.wrox.begjsp.arrayexample3; public class Product { private int productId; private String productName; private double productPrice; public Product(int prodid, String prodname, double prodprice) { productId = prodid; productName = prodname; productPrice = prodprice; } public int getProductId(){ return productId; } public void setProductId(int ProductId){ this.productId = ProductId; } public String getProductName(){ return productName; } public void setProductName(String ProductName){ this.productName = ProductName; } public double getProductPrice(){ return productPrice; } public void setProductPrice(double productPrice){ this.productPrice = productPrice; } }ProductManager.java package com.wrox.begjsp.arrayexample3; public class ProductManager { private Product[] productList = new Product[3]; private int productCount; public ProductManager() { 5
  4. 4. initializeProductList(); } private void initializeProductList() { productList[0] = new Product(1,"Wrox Press Beginning JSP",49.99); productList[1] = new Product(2,"Wrox Press Professional JSP",59.99); productList[2] = new Product(3,"Wrox Press Beginning Java",39.99);} public Product[] getProductList(){ return productList; } public int getProductCount(){ return productList.length; } public Product getProductDetails(int prodid) { int ProductIndex = -1; for(int i=0;i<this.getProductCount();i++) { if (prodid == productList[i].getProductId()) { ProductIndex = i; break; } } if (ProductIndex != -1) { return productList[ProductIndex]; } else { return null; } }} 6
  5. 5. EJEMPLO 2Desarrollar un script en JSP.SOLUCIÓNbookPage4.jsp <%@ page import="com.wrox.library.*" %> <html> <head> <title>Inheritance</title> </head> <body> <% Book techBook = new TechnicalBook("Car Mechanics"); Book childBook = new ChildrenBook("The Three Bears"); %> TechnicalBook Type: <%= techBook.getType() %> <br /> ChildrenBook Type: <%= childBook.getType() %> <% TechnicalBook techBook = new TechnicalBook("Car Mechanics"); ChildrenBook childBook = new ChildrenBook("The Three Bears"); %> TechnicalBook toString(): <%= techBook.toString() %> <br /> ChildrenBook toString(): <%= childBook.toString() %> </body> </html>Book.java package com.wrox.library; public class Book { private String title; public String getTitle() { return title; } public void setTitle(String title) { this.title = title; } public Book() { } 7
  6. 6. public Book(String title) { this.title = title; } }ChildrenBook.java package com.wrox.library; public class ChildrenBook extends Book { private int minimumAge; public int getMinimumAge() { return minimumAge; } public void setMinimumAge(int a) { minimumAge = a; } public String getType() { return "CHILDREN"; } public ChildrenBook() { super(); } public ChildrenBook(String title) { super(title); } }TechnicalBook.java package com.wrox.library; public class TechnicalBook extends Book { private String skillLevel; public String getSkillLevel() { return skillLevel; } public void setSkillLevel(String s) { skillLevel = s; } 8
  7. 7. public String toString() { return getTitle(); } public String getType() { return "TECHNICAL"; } public TechnicalBook() { super(); } public TechnicalBook(String title) { super(title); }} 9
  8. 8. EJEMPLO 3Desarrollar un script en JSP que permita enviar datos y guardarlos en archivo.SOLUCIÓNDatosBean.htm <html> <head> 10
  9. 9. <title>Juan Perez JSP, Comentarios</title><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"><meta name="generator" content="htm4l version 2.00"><meta name="autor" content="Juan Perez"><meta name="copyright" content="(c) 2004"><meta name="creacion" content="07-jul-2004 18:28:31"><meta name="modificacion" content="07-jul-2004 18:28:31"></head><body><h2>JSP, encuesta</h2><center><form method="post" action="EncuestaBean.jsp" name=""><br><table border=0 cols=5 width="80%" > <tr><td align="left"> <font face="Arial,Helvetica" size="-1" color="#000099"> <b>Introduzca su nombre:</b> <input type="text" name="usuario"> </td></tr> <tr><td align="center"> <table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr bgcolor="#999999"><td bgcolor="#003399"> <table width="100%" border="0" cellspacing="1" cellpadding="2"> <tr bgcolor="#FFFFFF"><td nowrap> <table width="100%" border="0" cellspacing="1" cellpadding="1" align="center"> <tr><td nowrap valign="top"> <font face="Arial,Helvetica" size="-1" color="#000099"> <b>Indique su sexo:</b></font><br> <font face="Verdana,Helvetica" size="-1" color="#000099"> <input type="radio" name="genero" value="Femenino" checked>Mujer<br> <input type="radio" name="genero" value="Masculino">Hombre<br> </font></td> <td nowrap valign="top"> <font face="Arial,Helvetica" size="-1" color="#000099"> <b>Seleccione su vehículo de preferencia:</b></font><br> <table width="100%" border="0" cellspacing="1" cellpadding="2"> <tr bgcolor="#FFFFFF"><td nowrap> <font face="Verdana,Helvetica" size="-1" color="#000099"> Moto:</font></td><td> <font face="Verdana,Helvetica" size="-1" color="#000099"> <select name="moto"> <option value="Ninguna">Ninguna</option> <option value="Yamaha">Yamaha</option> <option value="Honda">Honda</option> <option value="Derby">Derby</option> <option value="Aprilia">Aprilia</option> <option value="Ducati">Ducati</option> <option value="Bultaco">Bultaco</option> <option value="BMW">BMW</option> <option value="Kawasaki">Kawasaki</option> <option value="Suzuki">Suzuki</option><br> </select></font></td></tr> <tr bgcolor="#FFFFFF"><td nowrap> <font face="Verdana,Helvetica" size="-1" color="#000099"> Automóvil:</font></td><td> <font face="Verdana,Helvetica" size="-1" color="#000099"> <select name="coche"> <option value="Ninguno">Ninguno</option> 11
  10. 10. <option value="Mercedes">Mercedes</option> <option value="Porsche">Porsche</option> <option value="Ferrari">Ferrari</option> <option value="RollsRoyce">RollsRoyce</option> <option value="BMW">BMW</option> <option value="Toyota">Toyota</option><br> </select></font></td></tr> </table> </td></tr> </table> </td></tr> </table> </td></tr> </table> </td></tr></table><br><br><center> <input type="submit" name="submit" value=" Aceptar "> <input type="reset" name="reset" value=" Borrar "></center></form></center></body></html> 12
  11. 11. EncuestaBean.jsp <html> <head> <title>Juan Perez JSP, Comentarios</title> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <meta name="generator" content="htm4l version 2.00"> <meta name="autor" content="Juan Perez"> <meta name="copyright" content="(c) 2004"> <meta name="creacion" content="07-jul-2004 18:28:31"> <meta name="modificacion" content="07-jul-2004 18:28:31"> </head> <body> <h3> Encuesta - revisión datos </h3> <jsp:useBean id="vbean" scope="request" class="Beans.ClaseBean" /> <%-- Se utiliza las propiedades del JavaBean mapaeadas con respecto a las entradas del formulario. Como los nombres son coincidentes, se puede utilizar la máscara "*" --%> <jsp:setProperty name="vbean" property="*" /> <% // Comprobamos que todos los datos han sido seleccionados if(vbean.getUsuario() == null || vbean.getGenero() == null || vbean.getMoto() == null || vbean.getCoche() == null ) { %> <br>Hay opciones que no se han seleccionado y debe haber una<br> selección en cada uno de ellos para completar la encuesta.<br> Pulse aquí <a href="javascript:history.back()">volver</a> para realizar la selección. <% } else { String file = application.getRealPath("/datos"); %> <jsp:setProperty name="vbean" property="fichero" value="<%= file %>" /> <% vbean.store(); %> <font face="Verdana,Helvetica" size="-1" color="#000099"> Gracias <b><jsp:getProperty name="vbean" property="usuario" /></b>, su selección ha sido recogida.<br> Los datos son:<br> </font><br> <table width="40%" border="0" cellspacing="1" cellpadding="0" align="center"> <tr><td> <table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr bgcolor="#999999"><td bgcolor="#003399"> <table width="100%" border="0" cellspacing="1" cellpadding="2"> <tr bgcolor="#FFFFFF"><td nowrap> <table width="100%" border="0" cellspacing="1" cellpadding="1" align="center"> <tr><td nowrap> <font face="Verdana,Helvetica" size="-1" color="#000099"> Sexo:</font></td> <td nowrap> <font face="Verdana,Helvetica" size="-1" color="#990000"> <b><jsp:getProperty name="vbean" property="genero" /></b></font> </td></tr> <tr><td nowrap> <font face="Verdana,Helvetica" size="-1" color="#000099"> Automóvil:</font></td> <td nowrap> <font face="Verdana,Helvetica" size="-1" color="#990000"> 13
  12. 12. <b><jsp:getProperty name="vbean" property="coche" /></b></font> </td></tr> <tr><td nowrap> <font face="Verdana,Helvetica" size="-1" color="#000099"> Moto:</font></td> <td nowrap> <font face="Verdana,Helvetica" size="-1" color="#990000"> <b><jsp:getProperty name="vbean" property="moto" /></b></font> </td></tr> </table> </td></tr> </table> </td></tr> </table> </td></tr> </table> <% } %> </body> </htmlClaseBean.java // // ClaseBean.java // Copyright (c) 2004, Juan Perez // Todos los derechos reservados. // // No se asume ninguna responsabilidad por el uso o alteracion de este // software. // // Compilador: javac 1.3.0, Java 2 SDK // Autor: Juan Perez // Creacion: 19-Ago-2004 04:33:09 // Revision: // //-------------------------------------------------------------------------- // Esta informacion no es necesariamente definitiva y esta sujeta a cambios // que pueden ser incorporados en cualquier momento, sin avisar. //-------------------------------------------------------------------------- /** * JavaBean utilizado para mostrar la separación d ela parte lógica, de la * parte de presentación de resultados de la encuesta. * La página HTML es la encargada de recoger la información del formulario * proporcionada por el usuario, que pasa el control a la página JSP, que * utiliza este Bean para el almacenamiento de los datos de cada una de * las propiedades del Bean y de guardarlos en disco, con el fichero de * nombre igual al del usuario. */ package Beans; import java.io.*; import java.util.Properties; public class ClaseBean { private String usuario; private String genero; private String coche; private String moto; 14
  13. 13. private String fichero; // Métodos set() y get() correspondientes a las propiedades // del JavaBean, que se corresponden con los datos de entrada que // están presentes en el formulario de la página html public String getUsuario() { return( usuario ); } public void setUsuario( String _usuario ) { usuario = _usuario; } public String getGenero() { return( genero ); } public void setGenero( String _genero ) { genero = _genero; } public String getCoche() { return( coche ); } public void setCoche( String _coche ) { coche = _coche; } public String getMoto() { return( moto ); } public void setMoto( String _moto ) { moto = _moto; } public String getFichero() { return( fichero ); } public void setFichero( String _fichero ) { fichero = _fichero; } // Método que se encarga del almacenamiento del objeto Propiedades // en fichero de disco public void store() throws IOException { Properties p = new Properties(); p.put( "usuario",usuario ); p.put( "genero",genero ); p.put( "coche",coche ); p.put( "moto",moto ); FileOutputStream fos = new FileOutputStream( fichero+"/"+usuario ); p.store( fos,"Encuesta de Vehículos, realizada a -- "+usuario ); fos.flush(); fos.close(); } }//------------------------------------------- Final del fichero ClaseBean.java 15
  14. 14. EJEMPLO 4Desarrollar un script en JSP.SOLUCIÓNCounter.jsp <%@page contentType="text/html"%> <html> <head><title>Counter</title></head> <body> <jsp:useBean id="counter" scope="page" class="com.wrox.counter.CounterBean"/> <p>The current date is <jsp:getProperty name="counter" property="todaysDate"/></p> <p><jsp:getProperty name="counter" property="message"/></p> </body> </html>getphonelist.jsp <%@ page import="java.util.*" %> <%@ page import="com.wrox.begjsp.Phone.EmployeePhone" %> <%@ page import="com.wrox.begjsp.Phone.PhoneManager" %> <html> <head> <title>Chapter 5 Examples</title> </head> <body> <h3><b>EMPLOYEE PHONE LIST</b></h3> <p>&nbsp;</p> <jsp:useBean id="PhoneMgr" class="com.wrox.begjsp.Phone.PhoneManager"> </jsp:useBean> <table border="0" cellpadding="0" cellspacing="0" width="439"> <tr> <td width="157"></td> <td width="128"></td> <td width="148"></td> </tr> <tr> <td width="157" bgcolor="#C0C0C0"> <font color="#FFFFFF">EmployeeId</font>Mgter. Juan Pablo Apaza Condori. 17
  15. 15. </td> <td width="128" bgcolor="#C0C0C0"> <font color="#FFFFFF">EmployeeName</font> </td> <td width="148" bgcolor="#C0C0C0"> <font color="#FFFFFF">PhoneNo</font> </td> </tr> <% Enumeration phoneListEnum = PhoneMgr.getPhoneList(); while (phoneListEnum.hasMoreElements()) { EmployeePhone empphone = (EmployeePhone)phoneListEnum.nextElement(); %> <tr> <td width="157"><%=empphone.getEmployeeId()%></td> <td width="128"><%=empphone.getEmployeeName()%></td> <td width="148"><%=empphone.getPhoneNumber()%></td> </tr> <% } %> </table> </body> </html>getsortedphonelist.jsp <%@ page import="java.util.*" %> <%@ page import="com.wrox.begjsp.Phone.EmployeePhone" %> <%@ page import="com.wrox.begjsp.Phone.PhoneManager" %> <html> <head> <title>Chapter 5 Examples</title> </head> <body> <h3><b>EMPLOYEE PHONE LIST</b></h3> <p>&nbsp;</p> <jsp:useBean id="PhoneMgr" class="com.wrox.begjsp.Phone.PhoneManager" > </jsp:useBean> <table border="0" cellpadding="0" cellspacing="0" width="439"> <tr> <td width="157"></td> 18
  16. 16. <td width="128"></td> <td width="148"></td> </tr> <tr> <td width="157" bgcolor="#C0C0C0"> <font color="#FFFFFF">EmployeeId</font> </td> <td width="128" bgcolor="#C0C0C0"> <font color="#FFFFFF">EmployeeName</font> </td> <td width="148" bgcolor="#C0C0C0"> <font color="#FFFFFF">PhoneNo</font> </td> </tr> <% PhoneMgr.sortPhoneList(); Enumeration phoneListEnum = PhoneMgr.getPhoneList(); while (phoneListEnum.hasMoreElements()) { EmployeePhone empphone = (EmployeePhone)phoneListEnum.nextElement(); %> <tr> <td width="157"><%=empphone.getEmployeeId()%></td> <td width="128"><%=empphone.getEmployeeName()%></td> <td width="148"><%=empphone.getPhoneNumber()%></td> </tr> <% } %> </table> <p>&nbsp;</p> </form> </body> </html>login.jsp <html> <body> <form method="POST" action="loginhandler.jsp"> <div align="right"> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr> <td width="100%">Login Screen</td> </tr> </table> <hr> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr> <td width="100%" colspan="2"></td> </tr> <tr> 19
  17. 17. <td width="10%">UserName</td> <td width="90%"> <input type="text" name="username" size="20"> </td> </tr> <tr> <td width="10%">Password</td> <td width="90%"> <input type="password" name="password" size="20"> </td> </tr> <tr> <td width="10%"></td> <td width="90%"></td> </tr> </table> </div> <p> <input type="submit" value="Login" name="LoginBtn"> <input type="reset" value="Reset" name="B2"> </p> </form> </body> </html>loginhandler.jsp <% String username = request.getParameter("username"); String password = request.getParameter("password"); if ((username.equalsIgnoreCase("wrox")) && (password.equalsIgnoreCase("wrox"))) { out.println("<H3>MAIN MENU</H3>"); out.println("<A href=getphonelist.jsp>Get Employee Phone No. List</a>" + "<BR>"); out.println("<A href=getsortedphonelist.jsp>" + "Get Sorted Phone No. List (Sorted by EmployeeName)</a>" + "<BR>"); out.println("<A href=search.jsp>Search for Phone No. List</a>" + "<BR>"); } else { out.println("UserName/Password combination is incorrect !!!"); out.println("<a href=login.jsp>Try Again</a>"); } %>search.jsp <html> <head> <title>Chapter 5 Examples</title> </head> 20
  18. 18. <body> <h3>Search Form</h3> <br /> <form method="POST" action="searchresults.jsp"> <table border="0" cellpadding="0" cellspacing="0" width="439"> <tr> <td width="433" colspan="2"> <b> Look up for Employee ( Enter one of the following criteria) </b> </td> </tr> <tr> <td width="157">Employee Id</td> <td width="276"><input type="text" name="empid" size="21"></td> </tr> <tr> <td width="157">Employee Name</td> <td width="276"><input type="text" name="empname" size="21"></td> </tr> </table> <p><input type="submit" value="Search ..." name="SearchBtn"></p> </form> </body> </html>searchresults.jsp <%@ page import="java.util.*" %> <%@ page import="com.wrox.begjsp.Phone.EmployeePhone" %> <%@ page import="com.wrox.begjsp.Phone.PhoneManager" %> <html> <head> <title>Chapter 5 Examples</title> </head> <body> <h3><b>EMPLOYEE PHONE LIST - SEARCH RESULTS</b></h3> <p>&nbsp;</p> <jsp:useBean id="PhoneMgr" class="com.wrox.begjsp.Phone.PhoneManager" > </jsp:useBean> <table> <% Enumeration phoneListEnum = null; String strempid = request.getParameter("empid"); if ((strempid != null) && (!strempid.equals(""))) { 21
  19. 19. phoneListEnum = PhoneMgr.searchPhoneList(Integer.parseInt(strempid)); } else { String empname = request.getParameter("empname"); phoneListEnum = PhoneMgr.searchPhoneList(empname); } while (phoneListEnum.hasMoreElements()) { EmployeePhone empphone = (EmployeePhone)phoneListEnum.nextElement(); %> <tr> <td width="157"><%=empphone.getEmployeeId()%></td> <td width="128"><%=empphone.getEmployeeName()%></td> <td width="148"><%=empphone.getPhoneNumber()%></td> </tr> <% } %> </table> <p>&nbsp;</p> <p></p> </body> </html>CounterBean.java package com.wrox.counter; import java.util.*; import java.text.SimpleDateFormat; public class CounterBean { private Date curDate; private SimpleDateFormat dateFormat; private GregorianCalendar targetDate; private String name; public CounterBean() { GregorianCalendar currentDate = new GregorianCalendar(); curDate = (Date) currentDate.getTime(); dateFormat = new SimpleDateFormat("EEE, dd MMMM yyyy"); targetDate = new GregorianCalendar(); targetDate.set(targetDate.YEAR, 3000); targetDate.set(targetDate.MONTH, 0); targetDate.set(targetDate.DATE, 1); targetDate.set(targetDate.AM_PM, 0); targetDate.set(targetDate.HOUR, 0); targetDate.set(targetDate.MINUTE, 0); targetDate.set(targetDate.SECOND, 0); 22
  20. 20. name = "the new millennium";}public String getTodaysDate() { return dateFormat.format(curDate);}public void setTargetYear(int year) { targetDate.set(targetDate.YEAR, year);}public void setTargetMonth(int month) { targetDate.set(targetDate.MONTH, month);}public void setTargetDate(int date) { targetDate.set(targetDate.DATE, date);}public void setTargetAmPm(int ampm) { targetDate.set(targetDate.AM_PM, ampm);}public void setTargetHour(int hour) { targetDate.set(targetDate.HOUR, hour);}public void setTargetMinute(int minute) { targetDate.set(targetDate.MINUTE, minute);}public void setTargetSecond(int second) { targetDate.set(targetDate.SECOND, second);}public void setTargetEvent(String eventName) { name = eventName;}public String getTargetEvent() { return name;}public String getMessage() { Date millDate = (Date) targetDate.getTime(); int dateTest = millDate.compareTo(curDate); switch(dateTest) { case 1: long millisecs = (millDate.getTime()) - (curDate.getTime()); long msInDay = (1000*60*60*24); long daysToGo = (long) (millisecs/msInDay); return("Only " + daysToGo + " days to go until " + name + "!!!"); case 0: 23
  21. 21. return("Welcome to the new Millenium!!!"); case -1: return("Sorry, counter has expired"); default: return("Counter error"); } } }EmployeePhone.java package com.wrox.begjsp.Phone; public class EmployeePhone implements Comparable { int employeeId; String employeeName; String phoneNumber; public EmployeePhone(int empid, String empname, String phonenum) { this.employeeId = empid; this.employeeName = empname; this.phoneNumber = phonenum; } public int hashCode(){ return 17*employeeId; } public boolean equals(Object obj) { if (!(obj instanceof EmployeePhone)) return false; EmployeePhone emp = (EmployeePhone)obj; if (emp.getEmployeeId() == this.employeeId) { return true; } else { return false; } } public int compareTo(Object obj) { EmployeePhone emp = (EmployeePhone)obj; if ((this.employeeName.compareTo(emp.getEmployeeName())) > 0) { return 1; } else { return -1; } } public int getEmployeeId() { return employeeId; } public void setEmployeeId(int empid) { this.employeeId = empid; } 24
  22. 22. public String getEmployeeName() { return employeeName; } public void setEmployeeName(String empname) { this.employeeName = empname; } public String getPhoneNumber() { return phoneNumber; } public void setEmployeeId(String phoneNumber) { this.phoneNumber = phoneNumber; } }PhoneManager.java package com.wrox.begjsp.Phone; import java.util.Vector; import java.util.Enumeration; import java.util.Collections; public class PhoneManager { private Vector phoneList = new Vector(); public PhoneManager() { initializePhoneList(); } private void initializePhoneList() { EmployeePhone phone1 = new EmployeePhone(1,"Prashant","510-123-4567"); EmployeePhone phone2 = new EmployeePhone(2,"Archit","510-123-4580"); EmployeePhone phone3 = new EmployeePhone(3,"Ashish","510-123-3333"); phoneList.add(phone1); phoneList.add(phone3); phoneList.add(phone2); } public void sortPhoneList() { Collections.sort(phoneList); } public Enumeration getPhoneList(){ return phoneList.elements(); 25
  23. 23. } public int getPhoneListCount(){ return phoneList.size(); } public Enumeration searchPhoneList(String empnamelike) { Vector resultList = new Vector(); Enumeration phonelistenum = phoneList.elements(); while (phonelistenum.hasMoreElements()) { EmployeePhone empphone = (EmployeePhone)phonelistenum.nextElement(); String empname = empphone.getEmployeeName(); if (empname.indexOf(empnamelike) != -1) { resultList.add(empphone); } } return resultList.elements(); } public Enumeration searchPhoneList(int empid) { int PhoneIndex = -1; Vector resultList = new Vector(); Enumeration phonelistenum = phoneList.elements(); while (phonelistenum.hasMoreElements()) { EmployeePhone empphone = (EmployeePhone)phonelistenum.nextElement(); if (empphone.getEmployeeId() == empid) { resultList.add(empphone); break; } } return resultList.elements(); }} 26

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