简单的cxf-rs

整体结构

│  pom.xml
│
└─src
    ├─main
    │  ├─java
    │  │  └─cn
    │  │      └─zno
    │  │              HelloWorld.java
    │  │              InputBean.java
    │  │
    │  └─webapp
    │      └─WEB-INF
    │              beans.xml
    │              web.xml
    │
    └─test
        └─java
            └─cn
                └─zno
                        HelloWorldIT.java

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>cn.zno</groupId>
    <artifactId>cxf-rs</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>war</packaging>
    <name>Simple CXF JAX-RS webapp service using spring configuration</name>
    <description>Simple CXF JAX-RS webapp service using spring configuration</description>
    <properties>
        <jackson.version>1.8.6</jackson.version>
        <test.server.port>8080</test.server.port>
    </properties>
    <dependencies>
        <dependency>
            <groupId>org.apache.cxf</groupId>
            <artifactId>cxf-rt-frontend-jaxrs</artifactId>
            <version>3.1.1</version>
        </dependency>
        <dependency>
            <groupId>org.apache.cxf</groupId>
            <artifactId>cxf-rt-rs-client</artifactId>
            <version>3.1.1</version>
        </dependency>
        <dependency>
            <groupId>org.apache.cxf</groupId>
            <artifactId>cxf-rt-rs-service-description</artifactId>
            <version>3.0.0-milestone1</version>
        </dependency>
        <dependency>
            <groupId>org.codehaus.jackson</groupId>
            <artifactId>jackson-core-asl</artifactId>
            <version>${jackson.version}</version>
        </dependency>
        <dependency>
            <groupId>org.codehaus.jackson</groupId>
            <artifactId>jackson-mapper-asl</artifactId>
            <version>${jackson.version}</version>
        </dependency>
        <dependency>
            <groupId>org.codehaus.jackson</groupId>
            <artifactId>jackson-jaxrs</artifactId>
            <version>${jackson.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>4.1.6.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
            <scope>test</scope>
        </dependency>
    </dependencies>
    <build>
        <pluginManagement>
            <plugins>
                <plugin>
                    <groupId>org.apache.maven.plugins</groupId>
                    <artifactId>maven-compiler-plugin</artifactId>
                    <configuration>
                        <source>1.7</source>
                        <target>1.7</target>
                    </configuration>
                </plugin>
            </plugins>
        </pluginManagement>
    </build>
</project>

web.xml

<?xml version="1.0" encoding="utf-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd" version="2.4">
    <display-name>JAX-RS Simple Service</display-name>
    <description>JAX-RS Simple Service</description>
    <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>
        <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>/a/*</url-pattern>
    </servlet-mapping>
</web-app>

beans.xml

<?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"
    xmlns:cxf="http://cxf.apache.org/core"

    xsi:schemaLocation="http://www.springframework.org/schema/beans  
               http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
             http://www.springframework.org/schema/context 
             http://www.springframework.org/schema/context/spring-context-3.0.xsd
              http://cxf.apache.org/jaxrs 
              http://cxf.apache.org/schemas/jaxrs.xsd
              http://cxf.apache.org/core 
              http://cxf.apache.org/schemas/core.xsd">


    <import resource="classpath:META-INF/cxf/cxf.xml" />

    <bean id="jaxbProvider" class="org.apache.cxf.jaxrs.provider.JAXBElementProvider" />
    <bean id="jsonProvider" class="org.codehaus.jackson.jaxrs.JacksonJsonProvider" />
    <bean id="inInterceptors" class="org.apache.cxf.interceptor.LoggingInInterceptor"></bean>
    <bean id="outInterceptors" class="org.apache.cxf.interceptor.LoggingOutInterceptor"></bean>

    <jaxrs:server id="services" address="/b">
        <jaxrs:serviceBeans>
            <bean class="cn.zno.HelloWorld" />
        </jaxrs:serviceBeans>
        <jaxrs:providers>
            <ref bean="jsonProvider" />
            <ref bean="jaxbProvider" />
        </jaxrs:providers>
        <jaxrs:extensionMappings>
            <entry key="json" value="application/json" />
            <entry key="xml" value="application/xml" />
        </jaxrs:extensionMappings>
        <jaxrs:languageMappings>
            <entry key="en" value="en-gb" />
        </jaxrs:languageMappings>
        <jaxrs:inInterceptors>
            <ref bean="inInterceptors" />
        </jaxrs:inInterceptors>
        <jaxrs:outInterceptors>
            <ref bean="outInterceptors" />
        </jaxrs:outInterceptors>
    </jaxrs:server>
</beans>

HelloWorld.java

package cn.zno;
import javax.ws.rs.Consumes;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Response;

import org.apache.cxf.jaxrs.model.wadl.Description;
import org.apache.cxf.jaxrs.model.wadl.DocTarget;

@Path("/c")
@Description(value = "Resource", target = DocTarget.RESOURCE)
public class HelloWorld {

    @GET
    @Path("/echo/{input}")
    @Produces("text/plain")
    public String ping(@PathParam("input") String input) {
        return input;
    }

    @POST
    @Produces("application/json")
    @Consumes("application/json")
    @Path("/jsonBean")
    public Response modifyJson(InputBean input) {
        input.setVal2(input.getVal1());
        return Response.ok().entity(input).build();
    }
}

InputBean.java

package cn.zno;


public class InputBean {
    private String val1;
    private String val2;

    public String getVal1() {
        return val1;
    }

    public void setVal1(String val1) {
        this.val1 = val1;
    }

    public String getVal2() {
        return val2;
    }

    public void setVal2(String val2) {
        this.val2 = val2;
    }

    @Override
    public String toString() {
        return "InputBean [val1=" + val1 + ", val2=" + val2 + "]";
    }
}

HelloWorldIT.java

package cn.zno;

import static org.junit.Assert.assertEquals;

import java.io.InputStream;
import java.util.Collections;
import java.util.List;

import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;

import org.apache.cxf.helpers.IOUtils;
import org.apache.cxf.jaxrs.client.WebClient;
import org.junit.Test;

public class HelloWorldIT {
    private static String endpointUrl = "http://localhost:8080/cxf-rs/a/b";


    @Test
    public void testPing() throws Exception {
        WebClient client = WebClient.create(endpointUrl + "/c/echo/SierraTangoNevada");
        Response r = client.accept("text/plain").get();
        assertEquals(Response.Status.OK.getStatusCode(), r.getStatus());
        String value = IOUtils.toString((InputStream)r.getEntity());
        assertEquals("SierraTangoNevada", value);
    }

    @Test
    public void testJsonRoundtrip() throws Exception {
//        List<Object> providers = new ArrayList<Object>();
//        providers.add(new org.codehaus.jackson.jaxrs.JacksonJsonProvider());
        
        List<org.codehaus.jackson.jaxrs.JacksonJsonProvider> provider = Collections.singletonList(new org.codehaus.jackson.jaxrs.JacksonJsonProvider());
        
        InputBean inputBean = new InputBean();
        inputBean.setVal1("Maple");
        WebClient client = WebClient.create(endpointUrl + "/c/jsonBean", provider);
        InputBean jsonBean = client.accept(MediaType.APPLICATION_JSON)
            .type(MediaType.APPLICATION_JSON)
            .post(inputBean,InputBean.class);
        System.out.println(jsonBean.toString());
//        assertEquals(Response.Status.OK.getStatusCode(), r.getStatus());
//        MappingJsonFactory factory = new MappingJsonFactory();
//        JsonParser parser = factory.createJsonParser((InputStream)r.getEntity());
//        JsonBean output = parser.readValueAs(JsonBean.class);
//        assertEquals("Maple", output.getVal2());
    }
}

?_wadl

开启方式：@Description 注解

@Description(value = "Resource", target = DocTarget.RESOURCE)