JavaServer Faces 2.0 vs. Tapestry 5 A Head-to-Head Comparison - - PowerPoint PPT Presentation

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JavaServer Faces 2.0 vs. Tapestry 5 A Head-to-Head Comparison - - PowerPoint PPT Presentation

Jan 03, 2024 11 likes •977 views

JavaServer Faces 2.0 vs. Tapestry 5 A Head-to-Head Comparison Igor Drobiazko Apache Software Foundation 69 About Me > Software Engineer at HSBC INKA > Apache Tapestry Committer > Tapestry Project Management Committee > Tapestry

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JavaServer Faces 2.0 vs. Tapestry 5

A Head-to-Head Comparison

Igor Drobiazko Apache Software Foundation 69

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About Me

> Software Engineer at HSBC INKA > Apache Tapestry Committer > Tapestry Project Management Committee > Tapestry Envangelist > Book Author & Speaker > http://tapestry5.de > drobiazko@apache.org

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SLIDE 3
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AGENDA

> Introduction > Error Reporting > Navigation > Validation & Conversion > Creating Components > Internationalization > Around JSF and Tapestry

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SLIDE 5

History of Web Frameworks

2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011

1.0 1.0 1.0 1.0

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History of Web Frameworks

2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011

3.0 1.0 1.0 4.0 5.0 1.0 1.0 1.0 1.0 2.0 2.0 1.0 1.0 5.1 5.2 1.0

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SLIDE 7

JavaServer Faces 2.0 vs Tapestry 5 JavaServer Faces 2.0 Tapestry 5 JavaServer Faces 2.0

VS.

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SLIDE 8

Model-View-Controller

Model Controller View

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SLIDE 9

Model-View-Controller

Model Controller View

Servlet / Filter HTML /XHTML POJO

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JSF Pages UserBean.java hello.xhtml

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JSF Pages UserBean.java hello.xhtml

<html xmlns="http://www.w3.org/1999/xhtml" xmlns:h="http://java.sun.com/jsf/html" xmlns:f="http://java.sun.com/jsf/core"> <h:body> <h:outputText value="#{userBean.hello} “/> </h:body> </html>

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JSF Pages UserBean.java hello.xhtml

<html xmlns="http://www.w3.org/1999/xhtml" xmlns:h="http://java.sun.com/jsf/html" xmlns:f="http://java.sun.com/jsf/core"> <h:body> <h:outputText value="#{userBean.hello} “/> </h:body> </html> @ManagedBean @RequestScoped public class UserBean { public String getHello() { return "Hello, World!"; } }

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JSF Pages UserBean.java hello.xhtml

<html xmlns="http://www.w3.org/1999/xhtml" xmlns:h="http://java.sun.com/jsf/html" xmlns:f="http://java.sun.com/jsf/core"> <h:body> <h:outputText value="#{userBean.hello} “/> </h:body> </html> @ManagedBean @RequestScoped public class UserBean { public String getHello() { return "Hello, World!"; } }

http://example.org/hello.xhtml

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Package Strukture

  • rg.example

pages c

  • m

p

  • n

e n t s e r v i c e s m i x i n s

<web-app> <context-param> <param-name>tapestry.app-package</param-name> <param-value>org.example</param-value> </context-param> ... </web-app>

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Tapestry Pages (1/2) Hello.tml Hello.java

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Tapestry Pages (1/2) Hello.tml Hello.java

<html xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd"> <body>${hello}</body> </html>

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Tapestry Pages (1/2) Hello.tml Hello.java

<html xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd"> <body>${hello}</body> </html> public class Hello { public String getHello() { return "Hello, World!"; } }

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Tapestry Pages (1/2) Hello.tml Hello.java

<html xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd"> <body>${hello}</body> </html> public class Hello { public String getHello() { return "Hello, World!"; } }

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Tapestry Pages (1/2) Hello.tml Hello.java

<html xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd"> <body>${hello}</body> </html> public class Hello { public String getHello() { return "Hello, World!"; } }

http://example.org/hello

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Page Classes

public class EditBook { @PageActivationContext @Property @Persist("entity") private Book book; @Inject private Session session; @CommitAfter @DiscardAfter Object onSuccess() { session.update(book); return ShowBooks.class; } }

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Page Classes

public class EditBook { @PageActivationContext @Property @Persist("entity") private Book book; @Inject private Session session; @CommitAfter @DiscardAfter Object onSuccess() { session.update(book); return ShowBooks.class; } }

Convert a request parameter into a Book Generare getter & setter Persist primary key into HTTP session Commit Hibernate transaction Clear persistent fields Inject Hibernate session Redirect to page ShowBooks

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Error Reporting

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JSF 1.x Error Report

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JSF 2.0 Error Report

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Tapestry Error Report

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Navigation

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Tool Friendly Navigation login.xhtml failure.xhtml success.xhtml success failure

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Tool Friendly Navigation login.xhtml failure.xhtml success.xhtml success failure faces-config.xml

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Tool Friendly Navigation login.xhtml failure.xhtml success.xhtml success failure faces-config.xml

<navigation-rule> <from-view-id>/login.xhtml</from-view-id> <navigation-case> <from-outcome>success</from-outcome> <to-view-id>/success.xhtml</to-view-id> </navigation-case> <navigation-case> <from-outcome>failure</from-outcome> <to-view-id>/failure.xhtml</to-view-id> </navigation-case> </navigation-rule>

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Dynamic Navigation login.xhtml success.xhtml

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Dynamic Navigation login.xhtml success.xhtml

<h:form> ... <h:commandButton value= "Login" action="#{login.loginUser}“> </h:form>

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Dynamic Navigation login.xhtml success.xhtml

<h:form> ... <h:commandButton value= "Login" action="#{login.loginUser}“> </h:form>

Login.java

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Dynamic Navigation login.xhtml success.xhtml

<h:form> ... <h:commandButton value= "Login" action="#{login.loginUser}“> </h:form>

Login.java

@ManagedBean @RequestScoped public class Login { public String loginUser() { if(userExists()){ return "success"; } return "failure"; } }

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Developer Friendly Navigation (1/2) Index.tml MyPage.tml

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Developer Friendly Navigation (1/2)

<a t:type="PageLink" page="MyPage">Go To MyPage</a> <a t:type="ActionLink">Go To MyPage</a>

Index.tml MyPage.tml

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Developer Friendly Navigation (2/2)

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Developer Friendly Navigation (2/2)

public class Index { @InjectPage private MyPage myPage; Object onAction(){ return myPage; } }

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Developer Friendly Navigation (2/2)

public class Index { Object onAction(){ return "MyPage"; } }

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Developer Friendly Navigation (2/2)

public class Index { Object onAction(){ return MyPage.class; } }

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Developer Friendly Navigation (2/2)

public class Index { Object onAction() throws MalformedURLException { return new URL("http://www.google.com"); } }

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Dynamic Navigation Login.tml Login.java

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Dynamic Navigation Login.tml Login.java

<t:form> <t:textfield value="userName" validate="required"/> ... <input type="submit" value="Register"/> <t:form>

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Dynamic Navigation Login.tml Login.java

<t:form> <t:textfield value="userName" validate="required"/> ... <input type="submit" value="Register"/> <t:form> public class Login { @Property @Persist private String userName; ... Object onSuccess() { return UserProfile.class; } }

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Dynamic Navigation Login.tml UserProfile.tml Login.java

<t:form> <t:textfield value="userName" validate="required"/> ... <input type="submit" value="Register"/> <t:form>

UserProfile.java

public class Login { @Property @Persist private String userName; ... Object onSuccess() { return UserProfile.class; } }

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Redirect After Post

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Redirect After Post

POST

HTTP/1.1 303 See Other GET HTTP/1.1 200 OK

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Redirect After Post login.xhtml

<h:form> ... <h:commandButton value="Login" action="#{login.loginUser}" /> </h:form> @ManagedBean @RequestScoped public class Login { ... public String loginUser() { if(userExists()){ return "success?faces-redirect=true"; } return "failure"; } }

Login.java

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Input Validation

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Validation & Conversion register.xhtml UserBean.java

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Validation & Conversion register.xhtml UserBean.java

< h : f

  • r

m > U s e r N a m e : < h : i n p u t T e x t v a l u e = " # { u s e r B e a n . n a m e } " r e q u i r e d = " t r u e " > < f : v a l i d a t e L e n g t h m i n i m u m = " 3 " m a x i m u m = " 5 " / > < / h : i n p u t T e x t > D a t e

  • f

B i r t h : < h : i n p u t T e x t v a l u e = " # { u s e r B e a n . b i r t h d a y } " > < f : c

  • n

v e r t D a t e T i m e p a t t e r n = " M M

  • d

d

  • y

y " / > < / h : i n p u t T e x t > < h : c

  • m

m a n d B u t t

  • n

v a l u e = " R e g i s t e r " a c t i

  • n

= " r e g i s t e r " / > < / h : f

  • r

m >

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Validation & Conversion register.xhtml UserBean.java

< h : f

  • r

m > U s e r N a m e : < h : i n p u t T e x t v a l u e = " # { u s e r B e a n . n a m e } " r e q u i r e d = " t r u e " > < f : v a l i d a t e L e n g t h m i n i m u m = " 3 " m a x i m u m = " 5 " / > < / h : i n p u t T e x t > D a t e

  • f

B i r t h : < h : i n p u t T e x t v a l u e = " # { u s e r B e a n . b i r t h d a y } " > < f : c

  • n

v e r t D a t e T i m e p a t t e r n = " M M

  • d

d

  • y

y " / > < / h : i n p u t T e x t > < h : c

  • m

m a n d B u t t

  • n

v a l u e = " R e g i s t e r " a c t i

  • n

= " r e g i s t e r " / > < / h : f

  • r

m > @ M a n a g e d B e a n @ S e s s i

  • n

S c

  • p

e d p u b l i c c l a s s U s e r B e a n { p r i v a t e S t r i n g n a m e ; @ F u t u r e p r i v a t e D a t e b i r t h d a y ; @ N

  • t

N u l l @ E m a i l p r i v a t e S t r i n g e m a i l ; }

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Validation & Conversion Register.tml Register.java

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Validation & Conversion Register.tml Register.java

< t : f

  • r

m c l i e n t V a l i d a t i

  • n

= " t r u e " > < t : e r r

  • r

s / > U s e r N a m e : < t : t e x t f i e l d v a l u e = " u s e r . n a m e " v a l i d a t e = " r e q u i r e d , m i n l e n g t h = 3 , m a x l e n g t h = 5 " / > D a t e

  • f

B i r t h : < t : d a t e f i e l d v a l u e = " u s e r . b i r t h d a y " f

  • r

m a t = " M M

  • d

d

  • y

y " / > < i n p u t t y p e = " s u b m i t " v a l u e = " R e g i s t e r " / > < / t : f

  • r

m >

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Validation & Conversion Register.tml Register.java

< t : f

  • r

m c l i e n t V a l i d a t i

  • n

= " t r u e " > < t : e r r

  • r

s / > U s e r N a m e : < t : t e x t f i e l d v a l u e = " u s e r . n a m e " v a l i d a t e = " r e q u i r e d , m i n l e n g t h = 3 , m a x l e n g t h = 5 " / > D a t e

  • f

B i r t h : < t : d a t e f i e l d v a l u e = " u s e r . b i r t h d a y " f

  • r

m a t = " M M

  • d

d

  • y

y " / > < i n p u t t y p e = " s u b m i t " v a l u e = " R e g i s t e r " / > < / t : f

  • r

m > p u b l i c c l a s s R e g i s t e r { @ P r

  • p

e r t y p r i v a t e U s e r u s e r ; p u b l i c v

  • i

d

  • n

V a l i d a t e F

  • r

m ( ) { . . . } }

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JSR 303 User.java

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JSR 303 User.java

p u b l i c c l a s s U s e r { @ V a l i d a t e ( " r e q u i r e d , m i n l e n g t h = 3 , m a x l e n g t h = 5 " ) p r i v a t e S t r i n g n a m e ; @ F u t u r e p r i v a t e D a t e b i r t h d a y ; @ N

  • t

N u l l @ E m a i l p r i v a t e S t r i n g e m a i l ; }

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Components

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Composite Components hellocomponent.xhtml main.xhtml

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Composite Components hellocomponent.xhtml

<html xmlns="http://www.w3.org/1999/xhtml" xmlns:h="http://java.sun.com/jsf/html" xmlns:cc="http://java.sun.com/jsf/composite"> <cc:interface> <cc:attribute name="firstname" required="true"/> </cc:interface> <cc:implementation> Hello, <h:outputText value="#{cc.attrs.firstname}" />! </cc:implementation> </html>

main.xhtml

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Composite Components hellocomponent.xhtml

<html xmlns="http://www.w3.org/1999/xhtml" xmlns:h="http://java.sun.com/jsf/html" xmlns:cc="http://java.sun.com/jsf/composite"> <cc:interface> <cc:attribute name="firstname" required="true"/> </cc:interface> <cc:implementation> Hello, <h:outputText value="#{cc.attrs.firstname}" />! </cc:implementation> </html>

main.xhtml

<html xmlns="http://www.w3.org/1999/xhtml" xmlns:h="http://java.sun.com/jsf/html" xmlns:lib="http://java.sun.com/jsf/composite/mylib"> <h:body> <lib:hellocomponent firstname="Igor"/> </h:body> </html>

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Composite Components hellocomponent.xhtml

<html xmlns="http://www.w3.org/1999/xhtml" xmlns:h="http://java.sun.com/jsf/html" xmlns:cc="http://java.sun.com/jsf/composite"> <cc:interface> <cc:attribute name="firstname" required="true"/> </cc:interface> <cc:implementation> Hello, <h:outputText value="#{cc.attrs.firstname}" />! </cc:implementation> </html>

main.xhtml

<html xmlns="http://www.w3.org/1999/xhtml" xmlns:h="http://java.sun.com/jsf/html" xmlns:lib="http://java.sun.com/jsf/composite/mylib"> <h:body> <lib:hellocomponent firstname="Igor"/> </h:body> </html>

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Noncomposite Components (1/2) HelloComponent.java hello.taglib.xhtml

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Noncomposite Components (1/2) HelloComponent.java hello.taglib.xhtml

@FacesComponent public class HelloComponent extends UIComponentBase { public void encodeAll(FacesContext context) throws IOException { ResponseWriter writer = context.getResponseWriter(); String firstname = (String) this.getAttributes().get("firstname"); writer.writeText("Hello, " + firstname, null); } public String getFamily() { return null; } }

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Noncomposite Components (2/2) hello.taglib.xhtml main.xhtml

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Noncomposite Components (2/2) hello.taglib.xhtml

<facelet-taglib> <namespace>http://example.org/lib</namespace> <tag> <tag-name>hello</tag-name> <component> <component-type>HelloComponent</component-type> </component> </tag> </facelet-taglib>

main.xhtml

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Noncomposite Components (2/2) hello.taglib.xhtml

<facelet-taglib> <namespace>http://example.org/lib</namespace> <tag> <tag-name>hello</tag-name> <component> <component-type>HelloComponent</component-type> </component> </tag> </facelet-taglib>

main.xhtml

<html xmlns="http://www.w3.org/1999/xhtml" xmlns:h="http://java.sun.com/jsf/html" xmlns:lib="http://example.org/lib"> <h:body> <lib:hello firstname="Igor"/> </h:body> </html>

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Noncomposite Components (2/2) hello.taglib.xhtml

<facelet-taglib> <namespace>http://example.org/lib</namespace> <tag> <tag-name>hello</tag-name> <component> <component-type>HelloComponent</component-type> </component> </tag> </facelet-taglib>

main.xhtml

<html xmlns="http://www.w3.org/1999/xhtml" xmlns:h="http://java.sun.com/jsf/html" xmlns:lib="http://example.org/lib"> <h:body> <lib:hello firstname="Igor"/> </h:body> </html>

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Tapestry Components HelloComponent.tml HelloComponent.java

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Tapestry Components HelloComponent.tml HelloComponent.java

<div xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd"> Hello, ${name}! </div>

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Tapestry Components HelloComponent.tml HelloComponent.java

<div xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd"> Hello, ${name}! </div> public class HelloComponent { @Parameter(required=true) @Property private String name; }

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Tapestry Components HelloComponent.tml HelloComponent.java

<div xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd"> Hello, ${name}! </div> public class HelloComponent { @Parameter(required=true) @Property private String name; }

MyPage.tml

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Tapestry Components HelloComponent.tml HelloComponent.java

<div xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd"> Hello, ${name}! </div> public class HelloComponent { @Parameter(required=true) @Property private String name; }

MyPage.tml

<html xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd"> <t:helloComponent name="literal:Igor"/> </html>

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Component Rendering

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Component Rendering

public class HelloComponent { @Parameter private String name; boolean beginRender(MarkupWriter writer) { writer.element("div"); writer.write("Hello, " + name); writer.end(); return false; } }

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Component Rendering

public class HelloComponent { @Parameter private String name; @BeginRender boolean foo(MarkupWriter writer) { writer.element("div"); writer.write("Hello, " + name); writer.end(); return false; } }

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Component Rendering

public class HelloComponent { @Parameter private String name; @BeginRender void foo(MarkupWriter writer) { writer.element( "div"); } @BeforeRenderBody void bar(MarkupWriter writer){ writer.write( "Hello, " + name); } @AfterRender void baz(MarkupWriter writer) { writer.end(); } }

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Query Parameters QueryParameterDemo.java

/app1/queryparameterdemo.xhtml?x=97&y=hello

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Query Parameters

@FacesComponent(value="QueryParameterDemo") public class QueryParameterDemo extends UIInput { public void decode(FacesContext context) { ExternalContext externalContext = context.getExternalContext(); Map<String, String> requestMap = externalContext.getRequestParameterMap(); Double x = Double.valueOf((String) requestMap.get("x")); String y = (String) requestMap.get("y"); System.err.println("x: " + x); System.err.println("y: " + y); } }

QueryParameterDemo.java

/app1/queryparameterdemo.xhtml?x=97&y=hello

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Query Parameters QueryParameterDemo.java

/app1/queryparameterdemo:action?x=97&y=hello

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Query Parameters

public class QueryParameterDemo { void onAction(@QueryParameter(value = "x") double x, @QueryParameter(value = "y") String y) { System.err.println("x: " + x); System.err.println("y: " + y); } }

QueryParameterDemo.java

/app1/queryparameterdemo:action?x=97&y=hello

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State Management

public class UIOutput extends UIComponentBase implements ValueHolder { public Object getValue() { return getStateHelper().eval(PropertyKeys.value); } public void setValue(Object value) { getStateHelper().put(PropertyKeys.value, value); } ... } public class MyPage { @SessionState private User user; @Persist @Propety private Integer value; }

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Internationalization

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Localized Pages mypage.xhtml

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Localized Pages mypage.xhtml

<f:loadBundle basename="com.example.Resources" var="bundle"> ... <h:outputText value="#{bundle.welcome-message"/> <h:outputText value="#{bundle2.another-message"/>

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Localized Pages com.example.Resources.properties mypage.xhtml

<f:loadBundle basename="com.example.Resources" var="bundle"> ... <h:outputText value="#{bundle.welcome-message"/> <h:outputText value="#{bundle2.another-message"/>

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Localized Pages com.example.Resources.properties mypage.xhtml

<f:loadBundle basename="com.example.Resources" var="bundle"> ... <h:outputText value="#{bundle.welcome-message"/> <h:outputText value="#{bundle2.another-message"/>

faces-config.xml

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Localized Pages com.example.Resources.properties mypage.xhtml

<f:loadBundle basename="com.example.Resources" var="bundle"> ... <h:outputText value="#{bundle.welcome-message"/> <h:outputText value="#{bundle2.another-message"/>

faces-config.xml

<application> <resource-bundle> <base-name>com.example.ResourceBundle</base-name> <var>bundle2</var> </resource-bundle> </application>

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Message Catalog MyPage.java MyPage.tml

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Message Catalog MyPage.java MyPage.tml

<html xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd"> <body> ${messages:welcome-message} ${prop:welcomeMessage} </body> </html>

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Message Catalog MyPage.java MyPage.tml MyPage.properties MyPage_de.properties

<html xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd"> <body> ${messages:welcome-message} ${prop:welcomeMessage} </body> </html>

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Message Catalog MyPage.java MyPage.tml MyPage.properties MyPage_de.properties app.properties

<html xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd"> <body> ${messages:welcome-message} ${prop:welcomeMessage} </body> </html>

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Message Catalog MyPage.java MyPage.tml MyPage.properties MyPage_de.properties app.properties

<html xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd"> <body> ${messages:welcome-message} ${prop:welcomeMessage} </body> </html> public class MyPage { @Inject private Messages messages; public String getWelcomeMessage() { return messages.get("welcome-message"); } }

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Localizable Templates MyPage.java MyPage.tml MyPage_jp.tml MyPage_iw.tml

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Around JSF

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Around Tapestry

Tapestry JumpStart Tapestry360

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Igor Drobiazko HSBC INKA http://tapestry5.de drobiazko@apache.org