Spring MVC 3.0 RESTful controller

1. Controller 代码非常简单

Java代码

package org.pprun.hjpetstore.web.rest;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.pprun.hjpetstore.persistence.jaxb.Products;
import org.pprun.hjpetstore.service.rest.HjpetstoreService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Required;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.ModelAndView;
/**
* A RESTful controller supplies search products by keyword which will be exposed to public access.
* The access authenticated by api-key as Google/Yahoo/Amazon Web Service.
*
* @author <a href="mailto:quest.run@gmail.com">pprun</a>
*/
@Controller
public class HjpetstoreController extends BaseController {
private static final Log log = LogFactory.getLog(HjpetstoreController.class);
private HjpetstoreService hjpetstoreService;
@Required
@Autowired
public void setHjpetstoreService(HjpetstoreService hjpetstoreService) {
this.hjpetstoreService = hjpetstoreService;
}
/**
* RESTful match path '/products/{keyword}' with apikey as request parameter.
*
* <p>
* For example: user pprun <br />
* {@code
* curl -u pprun:pprunpprun -H 'Accept: application/xml' 'http://localhost:8080/hjpetstore/rest/products/dog?apikey=bc7163dab8eb79a9867b4604b46b0328e9ace555ef5d9526e1fcd748f9864bf85d59e97c044a2d9795736753c2b0d77cd085eb05d854e5849f42f37f85851220&page=1&max=100'
* }
*
* @param apiKey
* @param keyword
* @return
*/
@RequestMapping(value = "/products/{keyword}", method = RequestMethod.GET)
public ModelAndView getProductsByKeyword(
@RequestParam("apikey") String apiKey,
@RequestParam("page") int page,
@RequestParam("max") int max,
@PathVariable("keyword") String keyword) {
if (log.isDebugEnabled()) {
log.debug("HjpetstoreController is processing request for keyword: " + keyword);
}
Products products = hjpetstoreService.searchProductList(apiKey, keyword, page, max);
ModelAndView mav = new ModelAndView("products");
mav.addObject(products);
return mav;
}
}

2. Spring context xml

Xml代码

<!--
To enable autodetection of such annotated controllers, you add component scanning to your configuration.
The controllers are autodetected POJOs labeled with the @Controller annotation.
-->
<context:component-scan base-package="org.pprun.hjpetstore.web.rest"/>
<bean class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping"/>
<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
<!-- 19.9.2 HTTP Message Conversion
several main media type converters have been registered,
but if we overwrite tihs property, we have to list all our need-->
<property name="messageConverters">
<list>
<bean class="org.springframework.http.converter.xml.MarshallingHttpMessageConverter">
<property name="supportedMediaTypes">
<list>
<value>application/xml</value>
<value>text/xml</value>
<value>application/x-www-form-urlencoded</value>
</list>
</property>
<property name="marshaller" ref="jaxb2Marshaller" />
<property name="unmarshaller" ref="jaxb2Marshaller" />
</bean>
<bean class="org.springframework.http.converter.StringHttpMessageConverter"/>
</list>
</property>
</bean>
<bean class="org.springframework.web.servlet.view.ContentNegotiatingViewResolver">
<property name="mediaTypes">
<map>
<entry key="xml" value="application/xml"/>
<entry key="html" value="text/html"/>
</map>
</property>
<property name="viewResolvers">
<list>
<bean class="org.springframework.web.servlet.view.BeanNameViewResolver" p:order="1"/>
<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/shop/"/>
<property name="suffix" value=".jsp"/>
</bean>
</list>
</property>
</bean>
<bean name="products" class="org.springframework.web.servlet.view.xml.MarshallingView">
<constructor-arg ref="jaxb2Marshaller" />
</bean>
<bean id="jaxb2Marshaller" class="org.springframework.oxm.jaxb.Jaxb2Marshaller">
<property name="classesToBeBound">
<list>
<value>org.pprun.hjpetstore.persistence.jaxb.Products</value>
</list>
</property>
we can depend on the xsd file for automatically validation
<property name="schema" value="classpath:org/springframework/oxm/schema.xsd"/>
</bean>-->

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