java_servlet2_見本

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1 13 2 JSF Web 1 MVC HTML JSP Velocity Java

2 14 JSF UI PC GUI JSF Web 2.1 JSF JSF Web FORM FORM 2-1 JSF role, JSF JSF

3 15 Web JSF JSF Web Macromedia JSF JSF JSF 2.2 / Subscriber package com.mycompany.newsservice.models; public class Subscriber { private String addr; private String[] subscriptionids; public String get addr() { return addr; public void set addr(string addr) { this. addr = addr; public String[] getsubscriptionids() { return subscriptionids; public void setsubscriptionids(string[] subscriptionids) { this.subscriptionids = subscriptionids; Subscriber JavaBeans JavaBeans get

4 16 set JSF UI Subscriber Subscriber System.out public void save() { StringBuffer subscriptions = new StringBuffer(); if (subscriptionids!= null) { for (int i = 0; i < subscriptionids.length; i++) { subscriptions.append(subscriptionids[i]).append(" "); System.out.println("Subscriber Address: " + address + "\nsubscriptions: " + subscriptions); JSF 2.3 JSF UI 2-2 Subscriber SubscriberHandler JSF UIComponentBase JSF UI 2-2 UIInput UISelectMany JSF UI JSF

5 17 Renderer UIComponentBase ActionListener UICommand UIOutput savesubscriber SubscriberHandler addr UIintput save Subscriber subscriptionids UISelectMany UIInput addr JSF 2-2 UIInput UISelectMany Subscriber addr subscripsionids value binding,, JSF method binding,, JSF 2-2 UICommand 20 JSF

6 action ActionEvent ActionListener ActionListener JSF SubscriberHandler package com.mycompany.newsservice.handlers; import com.mycompany.newsservice.models.subscriber; public class SubscriberHandler { private Subscriber subscriber; public void setsubscriber(subscriber subscriber) { this.subscriber = subscriber; public String savesubscriber() { subscriber.save(); return "success"; SubscriberHandler Subscriber set() Save ActionEvent savesubscri ber() set() save() "success" JSF save() void SubscriberHandler savesubscriber() save() String JSF JSF

7 19 JSF Subscriber SubscriberHanlder faces-config.xml JSF <faces-config> <managed-bean> <managed-bean-name>subscr</managed-bean-name> <managed-bean-class> com.mycompany.newsservice.models.subscriber </managed-bean-class> <managed-bean-scope>session</managed-bean-scope> </managed-bean> <managed-bean> <managed-bean-name>subscrhandler</managed-bean-name> <managed-bean-class> com.mycompany.newsservice.handlers.subscriberhandler </managed-bean-class> <managed-bean-scope>request</managed-bean-scope> <managed-property> <property-name>subscriber</property-name> <value>#{subscr</value> </managed-property> </managed-bean> </faces-config> XML <managed-bean> <managed-bean> Subscriber subscr <managed-bean> SubscriberHandler subscrhandler <managed-property> Subscriber

8 20 subscr SubscriberHandler Subscriber 2.4 Java UI UI JSF JSF JSF 1.0 JSP JSP JSF JSF JSP JSF UI JSP JSP JSF JSP JSF JSP JSP JSF 2-1 JSF JSP taglib uri=" prefix="h" %> taglib uri=" prefix="f" %> <html> <head> <title>newsletter Subscription</title> </head> <body> <f:view>

9 21 <h:form> <table> <tr> <td> Address:</td> <td> <h:inputtext value="#{subscr. addr" /> </td> </tr> <td> <td>news Letters:</td> <td> <h:selectmanycheckbox value="#{subscr.subscriptionids"> <f:selectitem itemvalue="1" itemlabel="jsf News" /> <f:selectitem itemvalue="2" itemlabel="it Industry News" /> <f:selectitem itemvalue="3" itemlabel="company News" /> </h:selectmanycheckbox> </td> </tr> </table> <h:commandbutton value="save" action="#{subscrhandler.savesubscriber" /> </h:form> </f:view> </body> </html> 2-1 JSP JSP 4 JSP JSF h HTML JSF UI h HTML f UI f Faces HTML JSF UI JSF <f:view> <h:form> JSF HTML FORM HTML JSF <h:inputtext> value subscr addr <h:selectmanycheckbox> <f:selectitem> <h:selectmanycheckbox> value subscr

10 22 uiinput value: Object = reference 1 <h:inputtext value="#{subscr. addr"/> 2 3 faces-config.xml subscr:subscriber addr:string = "hans@home" 4 <managed-bean> <manged-bean-name> subsr </manged-bean-name> </managed-bean> Subscriber subscriptionids <h:commandbutton> Save action subscrhandler SubscriberHand ler savesubscriber() #{.. JSP 2-3 JSP JSF faces-config.xml <h:inputtext> UIInput faces-config.xml JSF HTML <input> JSF JSF JSF System.out Subscriber save(), 16 JSF JSP

11 23 JSP JSF JSF

サーブレット (Servlet) とは Web サーバ側で動作する Java プログラム通常はapache 等のバックグラウンドで動作する Servletコンテナ上にアプリケーションを配置代表的な Servlet コンテナ Apache Tomcat WebLogic WebSphere Gla

サーブレット 1 オブジェクト指向プログラミング特論サーブレット (Servlet) とは Web サーバ側で動作する Java プログラム通常はapache 等のバックグラウンドで動作する Servletコンテナ上にアプリケーションを配置代表的な Servlet コンテナ Apache Tomcat WebLogic WebSphere GlassFish 2 オブジェクト指向プログラミング特論