Da Println a Spring. Rinaldo Bonazzo Sardinia Point Srl

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1 Da Println a Spring Rinaldo Bonazzo (rbonazzo@sardiniapoint.it) Sardinia Point Srl

2 Chi siamo (1) Sardinia Point S.r.l. sviluppa strumenti informatici destinati alle attività turistiche e produce contenuti finalizzati alla promozione turistica della Sardegna.

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4 Chi siamo (2) Dal 1999 pubblica sul web il sito punto di riferimento per il turismo in Sardegna (10000 pagine on line, 4000 visitatori unici al giorno)

5 Il progetto rent sardinia Dal 2000 gestisce il sito attraverso il quale l agenzia immobiliare E-Sardinia S.r.l. - leader nelle locazioni turistiche in Sardegna - propone il suo catalogo.

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7 Cronologia del progetto servlet con utilizzo intensivo di println (windows Nt 4.0, jrun 3.0 mssqlserver 7.0) 2003 utilizzo di template con xml 2004 utilizzo di jsp (jrun 4.0) 2005 struts, hibernate (windows 2003 server, jboss, MySql) Spring, Ibatis, Dwr(Ajax), json, prototypes (Web2.0) Web Services...

8 Println(1) <?xml version="1.0" encoding="utf-8"?> <web-app version="2.4" xmlns=" xmlns:xsi=" xsi:schemalocation=" <servlet> <servlet-name>opscontenuto</servlet-name> <servlet-class>opscontenuto</servlet-class> </servlet>... <servlet-mapping> <servlet-name>opscontenuto</servlet-name> <url-pattern>/servlet/opscontenuto</url-pattern> </servlet-mapping>... </web-app>

9 Println(2) public void doget(httpservletrequest req, HttpServletResponse res) throws ServletException { try { PrintWriter out = res.getwriter(); String html = "";... String contenuto = ""; contenuto += "<form method=get>"; contenuto += "<table>"; contenuto += "<tr><td>"; contenuto += "username:</td><td><input type=text name=pi1><br>"; contenuto += "</td></tr>";... contenuto += "</td><td align=center><input type=submit value=invia><br>"; contenuto += "</td></tr>"; contenuto += "</table>"; contenuto += "</form>"; html = replace(html, "<ONDE_MEDIA>", "<b>benvenuto</b><br>inserisci username e password"); html = replace(html, "<ONDE_CONTENUTO>", contenuto); html = replace(html, "<ONDE_TITOLO>", super.titolo); html = replace(html, "<ONDE_ERRORE>", errori); html = replace(html, "<ONDE_OPS_FORMATO>", super.titolo); out.println(html); } catch (Exception e) { }.. }

10 Struts(1) <struts-config> <form-beans > <form-bean name="loginformbean" type="it.sp.struts.form.loginformbean" /> <form-bean name="nuovoappform" type="it.sp.struts.form.nuovoappform" /> <form-bean name="gestareageoform" type="it.sp.struts.form.gestareageoform" />... </form-beans> <action-mappings > <action forward="/jsp/pages/login.jsp" path="/login" unknown="false" validate="true" /> <action attribute="loginformbean" input="/jsp/pages/login.jsp" name="loginformbean" path="/loginsubmit" scope="request" type="it.sp.struts.action.loginsubmit"> <forward name="success" path="/jsp/pages/loginok.jsp" contextrelative="true" /> </action>... </struts-config>

11 Struts(2) <web-app> <servlet> <servlet-name>action</servlet-name> <servlet-class> org.apache.struts.action.actionservlet </servlet-class> <init-param> <param-name>config</param-name> <param-value>/web-inf/struts-config.xml</param-value> </init-param> <init-param> <param-name>debug</param-name> <param-value>3</param-value> </init-param> <init-param> <param-name>detail</param-name> <param-value>3</param-value> </init-param> <load-on-startup>0</load-on-startup> </servlet> <servlet-mapping> <servlet-name>action</servlet-name> <url-pattern>*.do</url-pattern> </servlet-mapping>... </web-app>

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14 Perchè Spring? - Modulare

15 Spring(1) web.xml <web-app> <display-name>rent Sardinia</display-name> <description>rent Sardinia Web Application</description> <context-param> <param-name>contextconfiglocation</param-name> <param-value>/web-inf/rs2007-servlet.xml</param-value> </context-param> <servlet><servlet-name>context</servlet-name><servletclass>org.springframework.web.context.contextloaderservlet</servlet-class> <load-on-startup>1</load-on-startup> </servlet> <servlet><servlet-name>rs2007</servlet-name><servletclass>org.springframework.web.servlet.dispatcherservlet</servlet-class> <load-on-startup>2</load-on-startup> </servlet> <servlet><servlet-name>dwr-invoker</servlet-name><display-name>dwr Servlet</display-name> <servlet-class>uk.ltd.getahead.dwr.dwrservlet</servlet-class> <init-param> <param-name>debug</param-name> <param-value>false</param-value> </init-param> </servlet> <servlet-mapping> <servlet-name>rs2007</servlet-name> <url-pattern>*.html</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>dwr-invoker</servlet-name> <url-pattern>/dwr/*</url-pattern> </servlet-mapping> </web-app>

16 Spring(2) rs2007-servlet.xml <beans>... <!-- V I E W R E S O L V E R --> <bean id="viewresolver" class="org.springframework.web.servlet.view.internalresourceviewresolver"> <property name="viewclass" value="org.springframework.web.servlet.view.jstlview"/> <property name="prefix"><value>./web-inf/jsp/layouts/</value></property> <property name="suffix"><value>.jsp</value></property> </bean> <!-- I N T E R C E P T O R S --> <bean id="messagesource" class="org.springframework.context.support.resourcebundlemessagesource"> <property name="basename"><value>messages</value></property> </bean> <bean id="localechangeinterceptor" class="org.springframework.web.servlet.i18n.localechangeinterceptor"> <property name="paramname"><value>lingua</value></property> </bean> <bean id="localeresolver" class="org.springframework.web.servlet.i18n.cookielocaleresolver"/> <bean name="simpleurlmapping" class="org.springframework.web.servlet.handler.simpleurlhandlermapping"> <property name="interceptors"> <list><ref bean="localechangeinterceptor"/></list> </property> <property name="mappings"> <props> <prop key="/listacase.htm">rs2007.listacasecontroller</prop> </props> </property> </bean> </beans>

17 Spring (3) data.xml <beans> <bean id="propertyconfigurer" class="org.springframework.beans.factory.config.propertyplaceholderconfigurer"> <property name="locations"> <list> <value>web-inf/jdbc.properties</value> <value>web-inf/mail.properties</value> <value>web-inf/general.properties</value> </list> </property> </bean> <!-- D A T A S O U R C E --> <bean id="rs2007.datasource" class="org.springframework.jndi.jndiobjectfactorybean" > <property name="jndiname"> <value>java:/cliappdb</value> </property> </bean> <!-- ibatis --> <bean id="rs2007.sqlmapclient" class="org.springframework.orm.ibatis.sqlmapclientfactorybean" > <property name="configlocation" value="web-inf/conf/rs2007-mysql-sqlmapconfig.xml"/> <property name="datasource" ref="rs2007.datasource"/> </bean> <!-- D A O--> <bean id="rs2007.codicirichiestedao" class="it.com.sp.rs2007.dao.impl.sqlmapcodicirichiestedao"> <property name="sqlmapclient"><ref bean="rs2007.sqlmapclient"/></property> <property name="datasource"><ref bean="rs2007.datasource"/></property> </bean> </beans>

18 Spring (4) service.xml <!-- S E R V I C E S --> <bean id="rs2007.codicirichiesteservice" class="it.com.sp.rs2007.service.impl.codicirichiesteservice"> <property name="ricdao"> <ref bean="rs2007.codicirichiestedao" /> </property> </bean> <bean id="sottolocalitaservice" class="it.com.sp.rs2007.service.impl.sottolocalitaservice"> <property name="sottolocdao"> <ref bean="rs2007.sottolocdao" /> </property> </bean> <bean id="rs2007.dettcasaservice" class="it.com.sp.rs2007.service.impl.dettcasaservice"> <property name="dettcasadao"> <ref bean="rs2007.dettcasadao" /> </property> </bean>

19 Spring(5) web.xml <beans> <!-- V A L I D A Z I O N E --> <bean id="rs2007.utentivalidator" class="it.com.sp.rs2007.validator.utentivalidator"> <property name="utentiservice"> <ref bean="rs2007.utentiservice" /> </property> </bean> <!-- H A N D L E R M A P P I N G S (M U L T I A C T I O N) --> <bean id="mappingactions" class="org.springframework.web.servlet.mvc.multiaction.parametermethodnameresolver"> <property name="paramname"> <value>action</value> </property> </bean> <!-- DWR Controller --> <bean id="localitamanager" class="it.com.sp.rs2007.controller.mvc.localitamanager" singleton="false"> <property name="localitaservice"> <ref bean="localitaservice" /> </property> </bean> </beans>

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27 Riferimenti e Ringraziamenti (gli articoli di Mario Cassari) Massimiliano Dessi per la consulenza e la disponibilità Pro Spring (Apress) Expert Spring MVC and Web Flow (Apress)...

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