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Restlet入门示例
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http://cunfu.iteye.com/blog/757467
本文的目的在于完成一個Restlet入門示例。
Java代碼 ?
package ?firstSteps; ???? import ?org.restlet.Context; ??import ?org.restlet.Request; ??import ?org.restlet.Response; ??import ?org.restlet.resource.Get; ??import ?org.restlet.resource.ServerResource; ???? ? ? ?? public ?class ?HelloWorldResource?extends ?ServerResource?{ ???? ????@Get ????public ?String?represent()?{ ?? ????????return ?"hello,?world" ; ?? ????} ?? ?? }??
package firstSteps;import org.restlet.Context;
import org.restlet.Request;
import org.restlet.Response;
import org.restlet.resource.Get;
import org.restlet.resource.ServerResource;/*** Resource which has only one representation.*/
public class HelloWorldResource extends ServerResource {@Getpublic String represent() {return "hello, world";}}
Java代碼 ?
package ?firstSteps; ???? import ?org.restlet.Application; ??import ?org.restlet.Restlet; ??import ?org.restlet.routing.Router; ???? public ?class ?FirstStepsApplication?extends ?Application?{ ???? ????? ? ?? ????@Override ????public ?synchronized ?Restlet?createInboundRoot()?{ ?? ?????????? ????????Router?router?=?new ?Router(getContext()); ?? ?? ?????????? ????????router.attach("/hello" ,?HelloWorldResource.class ); ?? ?? ????????return ?router; ?? ????} ?? ?? }??
package firstSteps;import org.restlet.Application;
import org.restlet.Restlet;
import org.restlet.routing.Router;public class FirstStepsApplication extends Application {/*** Creates a root Restlet that will receive all incoming calls.*/@Overridepublic synchronized Restlet createInboundRoot() {// Create a router Restlet that routes each call to a new instance of HelloWorldResource.Router router = new Router(getContext());// Defines only one routerouter.attach("/hello", HelloWorldResource.class);return router;}}
Java代碼 ?
package ?firstSteps; ???? import ?org.restlet.Component; ??import ?org.restlet.data.Protocol; ???? public ?class ?FirtstStepsMain?{ ??????public ?static ?void ?main(String[]?args)?throws ?Exception?{?? ?? ???????? ?? ????????Component?component?=?new ?Component();?? ?? ?????? ?? ?????????? ????????component.getServers().add(Protocol.HTTP,?8182 ?????? ?? ?????????? ????????component.getDefaultHost().attach("/firstSteps" ,?? ?? ????????????????new ?FirstStepsApplication());?? ?? ?????? ?? ?????????? ????????component.start();?? ?? ????}? ?? }??
package firstSteps;import org.restlet.Component;
import org.restlet.data.Protocol;public class FirtstStepsMain {public static void main(String[] args) throws Exception { // Create a new Component. Component component = new Component(); // Add a new HTTP server listening on port 8182. component.getServers().add(Protocol.HTTP, 8182); // Attach the sample application. component.getDefaultHost().attach("/firstSteps", new FirstStepsApplication()); // Start the component. component.start(); }
}
Xml代碼 ?
<? xml version "1.0" encoding "UTF-8" ?> < web-app xmlns:xsi "http://www.w3.org/2001/XMLSchema-instance" xmlns "http://java.sun.com/xml/ns/javaee" xmlns:web "http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation "http://java.sun.com/xml/ns/javaee?http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id "WebApp_ID" version "2.5" > ? ?? ???< display-name > </ display-name > ???< context-param > ??????< param-name > </ param-name > ??????< param-value > ?????????firstSteps.FirstStepsApplication ?? ??????</ param-value > ???</ context-param > ????? ?? ???< servlet > ??????< servlet-name > </ servlet-name > ??????< servlet-class > </ servlet-class > ?????? ?? ?????? ?? ???</ servlet > ?? ?? ????? ?? ???< servlet-mapping > ??????< servlet-name > </ servlet-name > ??????< url-pattern > </ url-pattern > ???</ servlet-mapping > </ web-app >
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5"><display-name>firstSteps</display-name><context-param> <param-name>org.restlet.application</param-name> <param-value> firstSteps.FirstStepsApplication</param-value> </context-param><!-- Restlet adapter --> <servlet> <servlet-name>RestletServlet</servlet-name> <servlet-class>org.restlet.ext.servlet.ServerServlet</servlet-class></servlet> <!-- Catch all requests --> <servlet-mapping> <servlet-name>RestletServlet</servlet-name> <url-pattern>/*</url-pattern> </servlet-mapping>
</web-app>
Xml代碼 ?
<? xml version "1.0" encoding "UTF-8" ?> < web-app xmlns:xsi "http://www.w3.org/2001/XMLSchema-instance" xmlns "http://java.sun.com/xml/ns/javaee" xmlns:web "http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation "http://java.sun.com/xml/ns/javaee?http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id "WebApp_ID" version "2.5" > ? ?? ???< display-name > </ display-name > ?????? ?? ???< context-param > ??????< param-name > </ param-name > ??????< param-value > </ param-value > ???</ context-param > ???? ?? ???< listener > ??????< listener-class > </ listener-class > ???</ listener > ??? ?? ????? ?? ????< servlet > ????????< servlet-name > </ servlet-name > ????????< servlet-class > </ servlet-class > ????????< init-param > ????????????< param-name > </ param-name > ????????????< param-value > </ param-value > ????????</ init-param > ????</ servlet > ?? ?? ????? ?? ???< servlet-mapping > ??????< servlet-name > </ servlet-name > ??????< url-pattern > </ url-pattern > ???</ servlet-mapping > </ web-app >
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5"><display-name>firststepsservlet</display-name><context-param> <param-name>contextConfigLocation</param-name> <param-value>/WEB-INF/applicationContext.xml</param-value> </context-param> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <!-- Restlet adapter --> <servlet> <servlet-name>RestletServlet</servlet-name> <servlet-class>org.restlet.ext.spring.SpringServerServlet</servlet-class><init-param><param-name>org.restlet.component</param-name> <param-value>component</param-value> </init-param></servlet> <!-- Catch all requests --> <servlet-mapping> <servlet-name>RestletServlet</servlet-name> <url-pattern>/*</url-pattern> </servlet-mapping>
</web-app>
Xml代碼 ?
<? xml version "1.0" encoding "UTF-8" ?> < beans xmlns "http://www.springframework.org/schema/beans" ???????xmlns:xsi "http://www.w3.org/2001/XMLSchema-instance" ???????xsi:schemaLocation "http://www.springframework.org/schema/beans?http://www.springframework.org/schema/beans/spring-beans-2.0.xsd" > ? ?? ????< bean id "component" class "org.restlet.ext.spring.SpringComponent" > ????????< property name "defaultTarget" ref "application" /> ????</ bean > ????< bean id "application" class "firstSteps.FirstStepsApplication" > ????????< lookup-method name "createRoot" bean "root" /> ????</ bean > ????< bean id "root" class "org.restlet.ext.spring.SpringRouter" > ????????< property name "attachments" > ????????????< map > ????????????????< entry key "/hello" > ????????????????????< bean class "org.restlet.ext.spring.SpringFinder" > ????????????????????????< lookup-method name "create" bean "HelloWorldResource" /> ????????????????????</ bean > ????????????????</ entry > ????????????</ map > ????????</ property > ????</ bean > ????< bean id "HelloWorldResource" class "firstSteps.HelloWorldResource" scope "prototype" /> </ beans >
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd"><bean id="component" class="org.restlet.ext.spring.SpringComponent"><property name="defaultTarget" ref="application" /> </bean><bean id="application" class="firstSteps.FirstStepsApplication"><lookup-method name="createRoot" bean="root" /></bean><bean id="root" class="org.restlet.ext.spring.SpringRouter"><property name="attachments"><map><entry key="/hello"><bean class="org.restlet.ext.spring.SpringFinder"><lookup-method name="create" bean="HelloWorldResource" /></bean></entry></map></property></bean><bean id="HelloWorldResource" class="firstSteps.HelloWorldResource" scope="prototype" />
</beans>
總結
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