jsf (java server faces) - melih sakarya (java server faces).pdf · jsf nedir ? mvc...
TRANSCRIPT
![Page 1: JSF (Java Server Faces) - Melih Sakarya (Java Server Faces).pdf · JSF Nedir ? MVC (Model-View-Controller) JSR Standartı (JSR-127, JSR 252) Component Oriented Event Driven Farklı](https://reader031.vdocuments.us/reader031/viewer/2022021610/5be410e509d3f2d7048c3b4b/html5/thumbnails/1.jpg)
JSF (Java Server Faces)
Melih Sakaryawww.melihsakarya.com
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JSF Nedir ? MVC (Model-View-Controller) JSR Standartı (JSR-127, JSR 252) Component Oriented Event Driven Farklı JSF implementasyonları 3. parti JSF bileşenleri (Ice Faces, Rich
Faces, Woodstock)
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JSF’ in ortaya çıkışı 2001 ortalari
Amy Fowler 2002 yilinda
Ed Burns Craig McClanahan
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JSF Gelişimi JSF 2.0 ... JSF 1.2 (11 may 2006) JSF 1.1 (27 may 2004) JSF 1.0 (11 mar 2004)
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Specification JSR127 – JSF 1.1 JSR252 – JSF 1.2
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Gerçeklemeler (Implementation) MyFaces (Apache) Sun RI (Reference Implementation) ...
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Neden JSF Standart olması RAD desteği Bileşen mimarisinin kolaylığı Farklı grupların bileşen desteği Gelişmiş EL (Expression Language desteği)
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JSF Yaklaşımı Bileşen yönelimli Olay(event) tabanli Bileşenlere olay(event) tanımlama Bileşenleri Java objelerine erişim (EL desteği
ile)
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LifeCycle Fazları
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JSF Bileşenleri core
Validation, conversion, event handling ... 18 standart core tag
html presentation (sunum) 25 standart html tag
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html bileşenleri
<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h" %>
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html bileşenleri h:inputText h:outputText h:commandButton h:dataTable h:column ...
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core bileşenler<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f" %>
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core bileşenler f:view f:convertDateTime f:selectItem f:validateLength ...
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Bileşenlerin render edilmesi
<h:inputText id="name" value=”aaa” /> <input type ="text" id="name" value="aaa" />
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Basit bir JSF sayfası<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h" %><%@ taglib uri="http://java.sun.com/jsf/core" prefix="f" %><html>
<head><title></title>
</head><body>
<f:view><h:outputText value="deneme" />
</f:view></body>
</html>
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EL (Expression Language)
#{managedBeanAdi.attribuate}
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Basit bir JSF sayfası<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h" %><%@ taglib uri="http://java.sun.com/jsf/core" prefix="f" %><html>
<head><title></title>
</head><body>
<f:view><h:outputText value=“#{ornek.deneme}" />
</f:view></body>
</html>
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Managed Bean Basit Java sınıflarıdır. Herhangi bir sınıfı miras almasına gerek
yoktur. JSF tarafında otomatik oluşturulurlar. JSF context’ i içerisinden erişilebilirler faces-config.xml içerisinde tanımlanmalıdırlar
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Managed Bean JSF Manage Bean Scope
Session Application Request
EL (Expression Language) ile erişilebilirler.
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Örnek Managed Beanpackage com.vardar.seminer;
public class Ornek {private String ad;
public String getAd() {return ad;
}
public void setAd(String ad) {this.ad = ad;
}}
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faces-config.xml tanımı<managed-bean> <managed-bean-name>ornek</managed-bean-name> <managed-bean-class>
com.vardar.seminer.Ornek </managed-bean-class> <managed-bean-scope>session</managed-bean-scope> </managed-bean>
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Örnek JSF Form
<f:view><h:form id="kayitFormu">
<h:inputText value="#{ornek.ad}" /><h:commandButton action="#{ornek.kayit}" value="Kayit" />
</h:form></f:view>
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Örnek JSF Form
package com.vardar.seminer;public class Ornek {
public Ornek(){this.ad="Melih";
}private String ad;public String getAd() {
return ad;}public void setAd(String ad) {
this.ad = ad;}public void kayit(){
System.out.println(ad + " adina kayit basarili olarak yapildi");}
}
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h:selectOneMenu<h:selectOneMenu value="#{ornek.cinsiyet}" >
<f:selectItem itemLabel="Bay" itemValue="bay"/><f:selectItem itemLabel="Bayan" itemValue="bayan"/>
</h:selectOneMenu>
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SelectItemsSelectItem s1 = new SelectItem("34","İstanbul");SelectItem s2 = new SelectItem("35","İzmir");SelectItem s3 = new SelectItem("06","Ankara");
sehirler.add(s1);sehirler.add(s2);sehirler.add(s3);
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ValueChangeListener<h:selectOneMenu value=""
valueChangeListener="#{test.processValueChange}" onchange="this.form.submit()"><f:selectItem itemValue="1" itemLabel="A"/><f:selectItem itemValue="2" itemLabel="B"/><f:selectItem itemValue="3" itemLabel="C"/>
</h:selectOneMenu>
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ValueChangeEventimport javax.faces.event.AbortProcessingException;import javax.faces.event.ValueChangeEvent;
public class Test {private String deger;
public String getDeger() {return deger;
}public void setDeger(String deger) {
this.deger = deger;}public void processValueChange(ValueChangeEvent event) {
System.out.println("event.getNewValue() = " + event.getNewValue());
} }
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SelectItems<h:selectOneMenu>
<f:selectItems value="#{test.list}"/></h:selectOneMenu>
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SelectItemspublic class Test {
public Test(){SelectItem s1 = new SelectItem("1","A");SelectItem s2 = new SelectItem("2","B");SelectItem s3 = new SelectItem("3","C");list.add(s1);list.add(s2);list.add(s3);
}List<SelectItem> list = new ArrayList<SelectItem>();public List<SelectItem> getList() {
return list;}public void setList(List<SelectItem> list) {
this.list = list;}
}
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PanelGrid
<h:panelGrid columns="3"><h:outputLabel for=“kullaniciAdi" value=“Kullanıcı Adı"/><h:inputText id=" kullaniciAdi" value="#{kullaniciBean.rumuz}"/><h:message for=" kullaniciAdi"></h:message>
<h:outputLabel for="sifre" value=“Sifre"/><h:inputSecret id="sifre" value="#{kullaniciBean.sifre}"/> <h:message for="sifre"></h:message>
</h:panelGrid><h:commandButton value=“Giris" action="#{kullaniciBean.sistemeGir}"/>
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DataTable<h:dataTable value="#{table.kullaniciListe}" var="kullanici">
<h:column><h:outputText value="#{kullanici.ad}"/>
</h:column><h:column>
<h:outputText value="#{kullanici.soyad}"/></h:column>
</h:dataTable>
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DataTable value bindingpublic class Table {
public Table(){kullaniciListe.add(new KullaniciPojo("Melih","Sakarya",27));kullaniciListe.add(new KullaniciPojo("Umit","Vardar",38));kullaniciListe.add(new KullaniciPojo("Pinar","Cayirlioglu",24));
}
List<KullaniciPojo> kullaniciListe = new ArrayList<KullaniciPojo>();public List<KullaniciPojo> getKullaniciListe() {
return kullaniciListe;}public void setKullaniciListe(List<KullaniciPojo> kullaniciListe) {
this.kullaniciListe = kullaniciListe;}
}
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DataTable pojopublic class KullaniciPojo {
public KullaniciPojo(){}public KullaniciPojo(String ad, String soyad, Integer yas){
this.ad = ad;this.soyad = soyad;this.yas = yas;
}
String ad;String soyad;Integer yas;public String getAd() {
return ad;}public void setAd(String ad) {
this.ad = ad;}public String getSoyad() {
return soyad;}public void setSoyad(String soyad) {
this.soyad = soyad;}public Integer getYas() {
return yas;}public void setYas(Integer yas) {
this.yas = yas;}
}
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Navigation<navigation-rule>
<from-view-id>/test.jsp</from-view-id><navigation-case>
<from-outcome>dogru</from-outcome><to-view-id>/basarili.jsp</to-view-id>
</navigation-case><navigation-case>
<from-outcome>yanlis</from-outcome><to-view-id>/hata.jsp</to-view-id>
</navigation-case></navigation-rule>
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Örnek kullanıcı giriş uygulaması
<h:inputText value="#{ornek.kullaniciAdi}" /><br><h:inputSecret value="#{ornek.sifre}" /><br><h:commandButton action="#{ornek.giris}" value=“Giriş Yap" />
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Örnek kullanıcı giriş uygulaması
public String giris(){if(kullaniciAdi.equals(“vardar") && sifre.equals("123456")){
return "dogru";}else{
return "yanlis";}
}
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Validation
<f:validateLength minimum=“5“ maximum=“15“ /> <f:validateLongRange minimum=“2“ maximum=“18“ /> <f:validateDoubleRange minimum=“2.4“ maximum=“7.18“ />
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Converter<h:outputText value="#{table.tarih}" >
<f:convertDateTime pattern="dd/MM/yyyy"/></h:outputText><br/><h:outputText value="#{table.tarih}" >
<f:convertDateTime pattern="dd.MM.yyyy"/></h:outputText><br/><h:outputText value="#{table.tarih}" >
<f:convertDateTime pattern="yyyy"/></h:outputText><br/>
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3. parti JSF bileşenleri RichFaces MyFaces IceFaces ADF Faces Woodstock
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RichFaces 3. party JSF component Ajax desteği A4JSF kütüphanesi Zengin bileşen seçenekleri JQuery desteği
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RichFaces kurulumu richfaces-api.jar richfaces-impl-3.2.1.jar richfaces-ui-3.2.1.jar
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RichFaces kurulumu<context-param>
<param-name>org.richfaces.SKIN</param-name><param-value>blueSky</param-value>
</context-param><filter>
<display-name>RichFaces Filter</display-name> <filter-name>richfaces</filter-name> <filter-class>org.ajax4jsf.Filter</filter-class>
</filter> <filter-mapping>
<filter-name>richfaces</filter-name> <servlet-name>Faces Servlet</servlet-name><dispatcher>REQUEST</dispatcher><dispatcher>FORWARD</dispatcher><dispatcher>INCLUDE</dispatcher>
</filter-mapping>
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RichFaces kullanımı<%@ taglib uri="http://richfaces.org/a4j" prefix="a4j"%><%@ taglib uri="http://richfaces.org/rich" prefix="rich"%>
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A4J (Ajax for JSF)<h:selectOneMenu value="#{test.deger}">
<f:selectItem itemValue="1" itemLabel="A"/><f:selectItem itemValue="2" itemLabel="B"/><f:selectItem itemValue="3" itemLabel="C"/><a4j:support event="onchange" reRender="degerAlani"/>
</h:selectOneMenu><br/>
<a4j:outputPanel id="degerAlani">deger = <h:outputText value="#{test.deger}" id="d"/>
</a4j:outputPanel>
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A4J <a4j:commandButton /> <a4j:form> </a4j:form>
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a4j:form<a4j:form>
<h:inputText value="#{demo.ad}" /><br/><h:inputText value="#{demo.soyad}" /><br/><h:commandButton action="#{demo.kayit}" value="Kayit" /><a4j:commandButton action="#{demo.kayit}" value="Ajax Kayit"/>
</a4j:form><br/><br/><h:inputText value="#{demo.ad}" />
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a4j:formpublic class Demo {
private String ad;private String soyad;public String getAd() {
return ad;}public void setAd(String ad) {
this.ad = ad;}public String getSoyad() {
return soyad;}public void setSoyad(String soyad) {
this.soyad = soyad;}public void kayit(){
System.out.println("kayit yapildi...");}
}
![Page 49: JSF (Java Server Faces) - Melih Sakarya (Java Server Faces).pdf · JSF Nedir ? MVC (Model-View-Controller) JSR Standartı (JSR-127, JSR 252) Component Oriented Event Driven Farklı](https://reader031.vdocuments.us/reader031/viewer/2022021610/5be410e509d3f2d7048c3b4b/html5/thumbnails/49.jpg)
Ajax pooling<h:form>
<a4j:poll id="poll" interval="500" reRender="poll,test" /></h:form>
<h:outputText value="#{demo.tarih}" id="test"/>
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Ajax poolingimport java.util.Date;
public class Demo {private Date tarih;
public Date getTarih() {tarih = new Date();return tarih;
}public void setTarih(Date tarih) {
this.tarih = tarih;}
}
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RichFaces componentleri <rich:calendar /> <rich:calendar popup="false"/> <rich:dataTable> <rich:gmap> <rich:suggestionbox height="" width="">
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