Apache cxf JaxRs基本应用

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在前一篇中，我们完成了《Apache cxf JaxWs基本应用》的编写，我们现在实现一个Restful风格的Cxf 。

一、我们首先依旧是基于Maven project配置pom.xml的依赖

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<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/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>abc-api</artifactId>
<packaging>war</packaging>
<version>${global.version}</version>
<parent>
<groupId>com.abc.module</groupId>
<artifactId>abc-parent</artifactId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<dependencies>
<dependency>
<groupId>javax.ws.rs</groupId>
<artifactId>jsr311-api</artifactId>
<version>1.1.1</version>
</dependency>
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-transports-http</artifactId>
<version>2.6.1</version>
</dependency>
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-frontend-jaxws</artifactId>
<version>2.6.1</version>
</dependency>
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-frontend-jaxrs</artifactId>
<version>2.6.1</version>
</dependency>
<dependency>
<groupId>org.codehaus.jettison</groupId>
<artifactId>jettison</artifactId>
<version>1.3.5</version>
</dependency>
<dependency>
<groupId>axis</groupId>
<artifactId>axis</artifactId>
<version>1.4</version>
</dependency>
<dependency>
<groupId>org.codehaus.woodstox</groupId>
<artifactId>stax2-api</artifactId>
<version>3.1.1</version>
</dependency>
<dependency>
<groupId>org.jbarcode</groupId>
<artifactId>jbarcode</artifactId>
<version>0.2.8</version>
</dependency>
</dependencies>
<build>
<finalName>${project.artifactId}</finalName>
</build>
</project>

二、配置web.xml

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<?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"
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>fsp-api</display-name>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath*:application.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
</listener>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<servlet>
<servlet-name>cxf</servlet-name>
<servlet-class>org.apache.cxf.transport.servlet.CXFServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>cxf</servlet-name>
<url-pattern>/services/*</url-pattern>
</servlet-mapping>
</web-app>

三、创建Webservice对外接口

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/**
* Copyright (c) 2011-2014 All Rights Reserved.
*/
package com.abc.warehouse.service;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
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.Context;
import javax.ws.rs.core.MediaType;
@Path ("/logisticsApi")
public interface ILogisticsApi {
@GET
@Path ("/doGet/{first}/{last}")
@Produces(MediaType.APPLICATION_XML)
public String doGet(@PathParam(value = "first") String firstName, @PathParam(value = "last") String lastName);
@POST
@Path("/itemConfirm")
@Produces(MediaType.APPLICATION_XML)
public String itemConfirm(String xmlParam,
@Context HttpServletRequest servletRequest,
@Context HttpServletResponse servletResponse);
}

四、实现Webservice接口

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/**
* Copyright (c) 2011-2014 All Rights Reserved.
*/
package com.abc.api.service;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.abc.warehouse.service.ILogisticsApi;
public class LogisticsApiImpl implements ILogisticsApi {
private Logger log = LoggerFactory.getLogger(getClass());
/**
* @see com.abc.warehouse.service.ILogisticsApi#itemConfirm(java.lang.String, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
*/
@Override
public String itemConfirm(String xmlParam,
HttpServletRequest servletRequest,
HttpServletResponse servletResponse) {
// TODO Auto-generated method stub
// to do something ...
return response;
}
/**
* @see com.abc.warehouse.service.ILogisticsApi#doGet(java.lang.String, java.lang.String)
*/
@Override
public String doGet(String firstName, String lastName) {
// TODO Auto-generated method stub
log.debug("doGet : " + firstName + ", lastName : " + lastName);
// to to something ...
return response;
}
}

五、配置Spring xml，让Webservice提供服务

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<?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:jaxws="http://cxf.apache.org/jaxws"
xmlns:jaxrs="http://cxf.apache.org/jaxrs"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://cxf.apache.org/jaxws http://cxf.apache.org/schemas/jaxws.xsd
http://cxf.apache.org/jaxrs
http://cxf.apache.org/schemas/jaxrs.xsd">
<import resource="classpath:META-INF/cxf/cxf.xml" />
<import resource="classpath:META-INF/cxf/cxf-extension-soap.xml" />
<import resource="classpath:META-INF/cxf/cxf-servlet.xml" />
<bean id="encodingLoggingInInterceptor" class="com.abc.api.util.EncodingLoggingInInterceptor"/>
<bean id="outLoggingInterceptor" class="org.apache.cxf.interceptor.LoggingOutInterceptor"/>
<bean id="logisticsApi" class="com.abc.api.service.LogisticsApiImpl"/>
<jaxrs:server id="logisticsApiServiceContainer">
<jaxrs:serviceBeans>
<ref bean="logisticsApi" />
</jaxrs:serviceBeans>
<jaxrs:inInterceptors>
<ref bean="encodingLoggingInInterceptor"/>
</jaxrs:inInterceptors>
<jaxrs:outInterceptors>
<ref bean="outLoggingInterceptor"/>
</jaxrs:outInterceptors>
<jaxrs:extensionMappings>
<entry key="xml" value="application/xml" />
</jaxrs:extensionMappings>
<jaxrs:languageMappings>
<entry key="en" value="en-gb"/>
</jaxrs:languageMappings>
</jaxrs:server>
</beans>

其中EncodingLoggingInInterceptor类主要是为了解决传输内容在LoggingInInterceptor类内构建并输出时的乱码问题

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/**
*/
package com.abc.api.util;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.interceptor.LoggingInInterceptor;
import org.apache.cxf.message.Message;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class EncodingLoggingInInterceptor extends LoggingInInterceptor {
private Logger log = LoggerFactory.getLogger(getClass());
/**
*
*/
public EncodingLoggingInInterceptor() {
// TODO Auto-generated constructor stub
super();
}
/**
* @see org.apache.cxf.interceptor.LoggingInInterceptor#handleMessage(org.apache.cxf.message.Message)
*/
@Override
public void handleMessage(Message message) throws Fault {
// TODO Auto-generated method stub
String encoding = System.getProperty("file.encoding");
encoding = encoding == null || encoding.equals("") ? "UTF-8" : encoding;
log.debug("encoding : " + encoding);
message.put(Message.ENCODING, encoding);
super.handleMessage(message);
}
}

至此，Webservice服务器端代码已经编写完成，假设Maven project名字为abc-api，那么访问该Webservice接口的地址为：http://ip:port/abc-api/services/

六、接下来我们编写一个基于WebClient简单客户端

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/**
*/
package com.abc.api.service;
import static org.junit.Assert.*;
import javax.ws.rs.core.MediaType;
import org.apache.cxf.jaxrs.client.WebClient;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class LogisticsApiTester {
private WebClient client;
private String baseAddress = "http://localhost:8080/abc-api/services/logisticsApi";
/**
*
* @throws java.lang.Exception
*/
@Before
public void setUp() throws Exception {
client = WebClient.create(baseAddress)
.header("charset", "UTF-8")
.encoding("UTF-8")
.acceptEncoding("UTF-8");
}
/**
*
* @throws java.lang.Exception
*/
@After
public void tearDown() throws Exception {
client = null;
}
/**
* Test method for {@link com.abc.api.service.LogisticsApiImpl#itemConfirm(java.lang.String, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)}.
*/
@Test
public void testItemConfirm() {
//fail("Not yet implemented");
Object xmlParam = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
+ "<itemName>诺基亚</itemName>";
String responseMessage = client.path("itemConfirm")
.accept(MediaType.APPLICATION_XML)
.post(xmlParam, String.class);
System.out.println("responseMessage : " + responseMessage);
assertNotEquals(responseMessage, null);
}
/**
* Test method for {@link com.abc.api.service.LogisticsApiImpl#doGet(java.lang.String, java.lang.String)}.
*/
@Test
public void testDoGet() {
//fail("Not yet implemented");
String responseString = client.path("doGet/{first}/{last}", 1, 2)
.accept(MediaType.APPLICATION_XML)
.get(String.class);
assertNotEquals(responseString, null);
}
}

到这里我们就完成了基于Apache cxf JaxRs的服务端和客户端的Demo编写。

转载于:https://my.oschina.net/sniperLi/blog/505471

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