10分钟使用CXF和SPRING创建REST webservice应用

CXF跟spring联合起来,搞rest webservice的确很方便的.下面快速学习下,用到的是CXF,SPRING和MAVEN

1 MAVEN配置
...
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>3.0.1.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>3.0.1.RELEASE</version>
</dependency>
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-frontend-jaxrs</artifactId>
<version>2.2.3</version>
</dependency>
...

2 COMPILER也改下
...
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.1</version>
<configuration>
<source>1.6</source>
<target>1.6</target>
</configuration>
</plugin>
...

3 timeservice
import org.springframework.format.datetime.DateFormatter;
import org.springframework.stereotype.Service;

import java.util.Calendar;
import java.util.Locale;

@Service("timeService")
public class TimeService {
public String getDateTime()
{
DateFormatter formatter = new DateFormatter("dd/MM/yyyy hh:mm:ss");
return formatter.print(Calendar.getInstance().getTime(), Locale.getDefault());
}
}

4 CXF使用JAX-RS 去实现REST
@Service("timeService")
@Path("/time")
public class TimeService {
@GET
@Produces("text/plain")
public String getDateTime()
{
...
}
}

5 配置WEB.XML
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE web-app PUBLIC
"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd">
<web-app>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>WEB-INF/beans.xml</param-value>
</context-param>
<listener>
<listener-class>
org.springframework.web.context.ContextLoaderListener
</listener-class>
</listener>
<servlet>
<servlet-name>CXFServlet</servlet-name>
<display-name>CXF Servlet</display-name>
<servlet-class>
org.apache.cxf.transport.servlet.CXFServlet
</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>CXFServlet</servlet-name>
<url-pattern>/rest/*</url-pattern>
</servlet-mapping>
</web-app>


6 配置CXF配置文件
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:jaxrs="http://cxf.apache.org/jaxrs"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://cxf.apache.org/jaxrs http://cxf.apache.org/schemas/jaxrs.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">

<import resource="classpath:META-INF/cxf/cxf.xml"/>
<import resource="classpath:META-INF/cxf/cxf-extension-jaxrs-binding.xml"/>
<import resource="classpath:META-INF/cxf/cxf-servlet.xml"/>

<context:component-scan base-package="be.insaneprogramming.cxf"/>

<jaxrs:server id="restContainer" address="/">
<jaxrs:serviceBeans>
<ref bean="timeService"/>
</jaxrs:serviceBeans>
</jaxrs:server>
</beans>