MVC, 2. MVC

Transcription

1 1 2 2 MVC, 2 MVC

2 ( ) (access number) (PIN, personal identification number), [ 3-1]

3 3 (security realm) 27) login( ) [ 3-1] package comoreillystrutsbankingservice; import comoreillystrutsbankingviewuserview; /** * */ public interface IAuthentication { /** * login accessnumber pin DTO InvalidLoginException */ public UserView login(string accessnumber, String pin) throws InvalidLoginException; IAuthentication (accessnumber) (pin) login( ) comoreillystrutsbankingviewuserview, InvalidLoginException UserView UserView 27) : ) J2EE 13 ) API)

4 [ 3-2] comoreillystrutsbankingservicesecurityservice [ 3-1] IAuthentication SecurityService package comoreillystrutsbankingservice; import comoreillystrutsbankingviewuserview; /** * */ public class SecurityService implements IAuthentication { public UserView login( String accessnumber, String pin ) throws InvalidLoginException { // // 123/456 if( "123"equals(accessNumber) && "456"equals(pin) ) { /* UserView * / * */ UserView userview = new UserView( "John", "Doe" ); userviewsetid( "39017" ); return userview; else { // InvalidLoginException // String msg = "Invalid Login Attempt by " + accessnumber + ":" + pin; throw new InvalidLoginException( msg ); (accessnumber) 123, (pin) 456

5 3 ( ) [ 3-2] [ 3-3] [ 3-2] CHECKING

6 Transfer Logout MVC,, 1

7 3 300, 8 ( ) [ 3-4] MVC [ 3-4] (circular dependencies), Action, util

8 [ 3-1], action ActionForm, ActionMessages actions DispatchAction Action config taglib tiles upload util validator validator Validator commons a a : Commons( MVC JSP 2

9 3, (request) 28) [ 3-5] 1 orgapachestrutsactionactionservlet ActionServlet javaxservlethttphttpservlet, HTTP ActionServlet 11 ActionServlet 11 orgapachestrutsactionrequestprocessor ActionServlet RequestProcessor 28) : HttpRequest HttpRequest

10 (banking) ActionServlet RequestProcessor 5 ActionServlet 29) 4 (helper class) orgapachestrutsactionaction orgapachestrutsactionaction Action Action Action 1:1 Action,, 29) : webxml 23 webxml DTD

11 3 Action, Action Action Action, Action Action, Action ActionServlet Action Action, Action Action Action execute( ) execute( ) public ActionForward execute(actionmapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception; execute( ) Action Action Action Action [ 3-6] execute( )

12 execute( ) (null) Action execute( ) Action Login Logout GetAccountInformation GetAccountDetail Action Action execute( ) 5 Action Action Action Action, Action

13 3, Action Action, Action [ 3-3] comoreillystrutsbankingactionloginaction Action, package comoreillystrutsbankingaction; import javaxservlethttphttpservletrequest; import javaxservlethttphttpservletresponse; import javaxservlethttphttpsession; import orgapachestrutsactionaction; import orgapachestrutsactionactionmapping; import orgapachestrutsactionactionform; import orgapachestrutsactionactionforward; import comoreillystrutsbankingiconstants; import comoreillystrutsbankingserviceiauthentication; import comoreillystrutsbankingservicesecurityservice; import comoreillystrutsbankingserviceinvalidloginexception; import comoreillystrutsbankingviewuserview; import comoreillystrutsbankingformloginform; /** * LoginAction * ActionServlet ActionForm LoginForm * */ public class LoginAction extends Action { public ActionForward execute( ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response ) throws Exception { // ActionForward ActionForward forward = null; UserView userview = null;

14 // LoginForm String accessnbr = ((LoginForm)form)getAccessNumber(); String pinnbr = ((LoginForm)form)getPinNumber(); /* * JNDI * */ IAuthentication service = new SecurityService(); // userview = servicelogin(accessnbr, pinnbr); // // HttpSession session = requestgetsession(false); if(session!= null) { sessioninvalidate(); // session = requestgetsession(true); // UserView forward sessionsetattribute( IConstantsUSER_VIEW_KEY, userview ); forward = mappingfindforward(iconstantssuccess_key ); return forward; [ 3-3] LoginAction execute( ) ActionForm

15 3 LoginAction SecurityService login( ) HttpSession login( ) UserView InvalidLoginException execute( ) InvalidLoginException try/catch 11 Action, <global-exceptions> <exception key="globalerrorinvalidlogin" path="/loginjsp" scope="request" type= "comoreillystrutsbankingserviceinvalidloginexception"/> </global-exceptions> InvalidLoginException loginjsp globalerror 10 Action (action mapping) Action XML (runtime) action orgapachestrutsactionactionmapping ActionMapping URI path ActionMapping 4

16 XML login <action path="/login" type="comoreillystrutsbankingactionloginaction" scope="request" name="loginform" validate="true" input="/loginjsp"> <forward name="success" path="/action/getaccountinformation" redirect="true"/> <forward name="failure" path="/loginjsp" redirect="true"/> </action> login /login comoreillystrutsbankingloginaction /login URI LoginAction execute( ) Action execute( ) 4 Action, Action execute( ) execute( ) orgapachestrutsactionactionforward ActionForward Action execute( ) JSP (action forward mapping) JSP ActionForward ActionFoward Action logout

17 3 <action path="/logout" type="comoreillystrutsbankingactionlogoutaction" scope="request"> <forward name="success" path="/loginjsp" redirect="true"/> </action> logout /loginjsp Success forward redirect true RequestDispatcher logout Success global-forwards global-forwards <global-forwards> <forward name="systemfailure" path="/systemerrorjsp" /> <forward name="sessiontimeout" path="/sessiontimeoutjsp" /> </global-forwards> global-sections forward name, path redirect redirect false (action forward) path Action 5 MVC (DTO, Data Transfer Object)

18 ( ) B2B 30), B2C (Value object) 30) DTO, DTO DTO, DTO (remote object) DTO DTO (locking) DTO DTO DTO DTO 2 2 JVM, 30) :

19 3 JSP DTO DTO [ 3-3] LoginAction Action Action LoginAction SecurityService SecurityService EJB JDBC LoginAction IAuthentication Action Action LoginAction login( ) comoreillystrutsbankingviewuserview UserView DTO [ 3-4] UserView package comoreillystrutsbankingview; import javautilset; import javautilhashset; /** * */ public class UserView implements javaioserializable { private String id; private String lastname;

20 private String firstname; // private Set permissions = null; public UserView(String first, String last) { this(first, last, new HashSet()); public UserView(String first, String last, Set userpermissions) { super(); firstname = first; lastname = last; permissions = userpermissions; public boolean containspermission(string permissionname) { return permissionscontains(permissionname); public String getlastname() { return lastname; public void setlastname(string name) { lastname = name; public String getfirstname() { return firstname; public void setfirstname(string name) { firstname = name; public String getid() { return id;

21 3 public void setid(string id) { thisid = id; UserView (foreign key) ( join) UserView RDB LDAP UserView JSP Action EJB, CORBA, MVC HTML JSP ActionForm

22 Action ActionForm (form bean) ActionForm ActionForm DTO ActionForm 1 ActionForm 2 ActionForm, action name 3 ActionForm 4 ActionForm 5 ActionForm action scope 6 ActionForm reset( ) 7 ActionForm setter ActionForm 8 validate true ActionForm validate( ) (form) HTML ActionForm HTML ActionForm ActionForm package comoreillystrutsbankingform; import javaxservlethttphttpservletrequest; import orgapachestrutsactionaction; import orgapachestrutsactionactionerror; import orgapachestrutsactionactionerrors; import orgapachestrutsactionactionform; import orgapachestrutsactionactionmapping;

23 3 import orgapachestrutsutilmessageresources; /** * ActionForm * accessnumber pinnumber * ActionServlet validate(), * */ public class LoginForm extends ActionForm { // private String pinnumber; // private String accessnumber; public LoginForm() { super(); resetfields(); /** * accessnumber pinnumber * */ public ActionErrors validate(actionmapping mapping, HttpServletRequest req ) { ActionErrors errors = new ActionErrors(); // // ActionForm MessageResources resources = (MessageResources)reqgetAttribute(ActionMESSAGES_KEY); // accessnumber if(accessnumber == null accessnumberlength() == 0) { String accessnumberlabel = resourcesgetmessage("labelaccessnumber"); ActionError newerror = new ActionError("globalerrorloginrequiredfield", accessnumberlabel); errorsadd(actionerrorsglobal_error, newerror);

24 // pinnumber if(pinnumber == null pinnumberlength() == 0) { String pinnumberlabel = resourcesgetmessage("labelpinnumber"); ActionError newerror = new ActionError("globalerrorloginrequiredfield", pinnumberlabel); errorsadd(actionerrorsglobal_error, newerror); //, ActionErrors return errors; /** * */ public void reset(actionmapping mapping, HttpServletRequest request) { // accessnumber pinnumber resetfields(); /** * */ protected void resetfields() { thisaccessnumber = ""; thispinnumber = ""; public void setaccessnumber(string nbr) { thisaccessnumber = nbr; public String getaccessnumber() { return thisaccessnumber; public String getpinnumber() { return thispinnumber;

25 3 public void setpinnumber(string nbr) { thispinnumber = nbr; ActionForm reset( ) validate( ) public void reset(actionmapping mapping, HttpServletRequest request); public ActionErrors validate(actionmapping mapping, HttpServletRequest request); ActionForm [ 3-5] LoginForm ActionForm ActionForm reset( ) ActionForm, ActionForm reset( ) Action resetfields( ) Action ActionForm ActionForm validate( ) ActionForm ActionForm, ActionForm 6, 7 [ 3-5] LoginForm validate( ) (PIN) execute( ) ActionForm Action ActionForm

26 ActionForm ActionForm ActionForm ActionForm form-beans ActionForm ActionForm <form-beans> <form-bean name="loginform" type="comoreillystrutsbankingformloginform"/> <form-bean name="accountinformationform" type="orgapachestrutsactiondynaactionform"> <form-property name="accounts" type="javautilarraylist"/> </form-bean> <form-bean name="accountdetailform" type="orgapachestrutsactiondynaactionform"> <form-property name="view" type="comoreillystrutsbankingviewaccountdetailview"/> </form-bean> </form-beans> name, type ActionForm form-beans form-bean action LoginAction

27 3 <action path="/login" type="comoreillystrutsbankingactionloginaction" scope="request" name="loginform" validate="true" input="/loginjsp"> <forward name="success" path="/action/getaccountinformation" redirect="true"/> <forward name="failure" path="/loginjsp" redirect="true"/> </action> LoginAction name form-beans name 11 form-beans 11 ActionForm ActionForm 11 orgapachestrutsactiondynaactionform DynaActionForm HTML Action Map DynaActionForm 7 ActionForm DTO ActionForm DTO ActionForm DTO, ActionForm DTO, DTO

28 HTML DTO 7 setter JSP, HTML, JSP JSP JSP JSP JSP ) ( JSP 20 JSP 31) JSP ( JSP 20 32) ) JSP JSP JSP XML/XSLT XSLT DTO 31) : JSP <%, %> 32) : JSTL (EL, Expression Language)

29 3 Nested, Tiles 6 HTML, Bean, Logic, Template,, HTML Logic webxml webxml 33) <web-app> <taglib> <taglib-uri>/web-inf/struts-htmltld</taglib-uri> <taglib-location>/web-inf/struts-htmltld</taglib-location> </taglib> <taglib> <taglib-uri>/web-inf/struts-logictld</taglib-uri> <taglib-location>/web-inf/struts-logictld</taglib-location> </taglib> </web-app> B JSP <%@ taglib uri="/web-inf/struts-htmltld" prefix="html" %> <%@ taglib uri="/web-inf/struts-logictld" prefix="logic" %> taglib JSP JAR [ 3-6] loginjsp 33) : webxml webxml DTD

30 taglib uri="/web-inf/struts-beantld" prefix="bean" %> taglib uri="/web-inf/struts-htmltld" prefix="html" %> <html:html> <head> <html:base/> <title><bean:message key="titlelogin"/></title> <link rel="stylesheet" href="stylesheets/login_style_iecss" type="text/css"> </head> <body topmargin="0" leftmargin="5" marginheight="0" marginwidth="0" bgcolor="#6699ff"> <html:form action="login" focus="accessnumber"> <table border="0" cellpadding="0" cellspacing="0" width="100%" bgcolor="#6699ff"> <tr><td> <html:img srckey="imagelogo" width="79" height="46" altkey="imagelogoalt" border="0"/> </td></tr> </table> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr><td bgcolor="#000000"> <table border="0" cellpadding="0" cellspacing="0" width="1" height="2"> </table> </td></tr> </table> <table border="0" cellpadding="0" cellspacing="0" width="1" height="1"> <tr><td></td></tr> </table> <table> <tr><td></td></tr>

31 3 </table> <table border="0" cellpadding="0" cellspacing="0" width="590"> <tr><td width="15" height="31"></td><td width="12"></td></tr> <tr> <td width="15"></td> <td width="575" bgcolor="#ffffff" colspan="2"> <table cellpadding="0" cellspacing="0" border="0" width="575" height="3"> <tr><td></td></tr> </table> </td> </tr> </table> <table border="0" cellpadding="0" cellspacing="0" width="590" bgcolor="#ffffff"> <tr> <td width="15" bgcolor="#6699ff"></td> <td width="15"></td> <td width="379"></td> <td width="15"></td> <td width="15"></td> <td width="15"></td> </tr> <tr> <td bgcolor="#6699ff" width="15"></td> <td></td> <td valign="top"> <table border="0" cellpadding="0" cellspacing="0"> <tr class="fieldlabel"> <td><bean:message key="labelaccessnumber"/></td> </tr class="fieldlabel"> <tr> <td><html:text property="accessnumber" size="9" maxlength="9"/> </td> <td class="error"><html:errors/></td> </tr> <tr class="fieldlabel"><td height="10"></td></tr> <tr class="fieldlabel">

32 <td><bean:message key="labelpinnumber"/></td></tr> <tr class="fieldlabel"> <td><html:password property="pinnumber" size="4" maxlength="4"/></td> </tr> <tr><td height="10"></td></tr> <tr><td><html:submit styleclass="fieldlabel" value="login"/></td> </tr> <tr><td></td></tr> </table> </td> <td width="151" valign="top"> <html:img srckey="imagestrutspower" altkey="imagestrutspoweralt"/> </td> </tr> </table> file="include/footerjsp"%> <br> </html:form> </body> </html:html> [ 3-6] login HTML HTML JSP 8 JSP [ 3-6] JSP JSP

33 3, javautilresourcebundle orgapachestrutsutilmessageresources javautilresourcebundle JavaDoc 34) [ 3-7] # Labels labelaccessnumber=access Number labelpinnumber=pin Number labelaccounts=accounts labelbalance=balance labeltotalassets=total Assets labelaccount=account labelbalance=available Balance labeldescription=description labelamount=amount labeldeposits=deposits labelwithdrawls=withdrawls labelopeningbalance=opening Balance # Links linkcustomeragreement=customer Agreement linkprivacy=privacy linksecurity=security 34) :

34 linkviewaccountdetail=view Account Detail # Page Titles titlelogin=struts Online Banking - Account Login titleaccountinfo=struts Online Banking - Account Information titleaccountdetail=struts Online Banking - Account Detail # Button Labels labelbuttonlogin=login # Error messages globalerrorinvalidlogin=<li>invalid Access Number and/or Pin</li> globalerrorloginrequiredfield=<li>the {0 is required for login</li> # Images imagelogo=images/logogif imagelogoalt=struts Online Banking imagelogout=images/logoutgif imagelogoutalt=logout imagestrutspower=images/struts-powergif imagestrutspoweralt=powered By Struts imagetransfer=images/transfergif imagetransferalt="transfer Funds" imageclear=images/cleargif [ 3-6] loginjsp, loginjsp titlelogin JSP HTML title <title><bean:message key="titlelogin"/></title> orgapachestrutstaglibbeanmessagetag JSP [ 3-6] loginjsp message,

35 3, 11 (11 ),, 11 (webxml) struts-configxml 11 (Applications Module) 4, 5, 6, 7

36 ActionServlet RequestProcessor Action, Action ActionForm, DTO, JSP, MVC,