使用CXF与Spring集成实现RESTFul WebService
例如,GET http://host/context/employees/12345 将获取 ID 为 12345 的员工的表示。这个响应表示可以是包含详细的员工信息的 XML 或 ATOM,或者是具有更好 UI 的 JSP/HTML 页面。您看到哪种表示方式取决于服务器端实现和您的客户端请求的 MIME 类型。
RESTful Web Service 是一个使用 HTTP 和 REST 原理实现的 Web Service。通常,一个 RESTful Web Service 将定义基本资源 URI、它所支持的表示/响应 MIME,以及它所支持的操作。
<properties><spring.version>4.0.5.RELEASE</spring.version><jackson.version>1.9.2</jackson.version><cxf.version>3.0.3</cxf.version></properties><dependencies><dependency><groupId>junit</groupId><artifactId>junit</artifactId><version>4.11</version><scope>test</scope></dependency><!--spring核心包--><dependency><groupId>org.springframework</groupId><artifactId>spring-core</artifactId><version>${spring.version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-beans</artifactId><version>${spring.version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-web</artifactId><version>${spring.version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-context</artifactId><version>${spring.version}</version></dependency><dependency><groupId>log4j</groupId><artifactId>log4j</artifactId><version>1.2.17</version></dependency><!--JSTL标签类--><dependency><groupId>javax.servlet</groupId><artifactId>jstl</artifactId><version>1.2</version></dependency><dependency><groupId>javax.servlet</groupId><artifactId>servlet-api</artifactId><version>2.5</version></dependency><dependency><groupId>org.apache.commons</groupId><artifactId>commons-lang3</artifactId><version>3.3.2</version></dependency><!--cxf--><dependency><groupId>org.apache.cxf</groupId><artifactId>cxf-rt-frontend-jaxws</artifactId><version>${cxf.version}</version></dependency><dependency><groupId>org.apache.cxf</groupId><artifactId>cxf-rt-transports-http</artifactId><version>${cxf.version}</version></dependency><dependency><groupId>org.apache.cxf</groupId><artifactId>cxf-rt-frontend-jaxrs</artifactId><version>${cxf.version}</version></dependency><!--json--><dependency> <groupId>org.codehaus.jackson</groupId> <artifactId>jackson-core-asl</artifactId> <version>${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.codehaus.jackson</groupId> <artifactId>jackson-xc</artifactId> <version>${jackson.version}</version> </dependency></dependencies>
配置application.xml
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" 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-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd "> <!--扫描器--><context:component-scan base-package="com.wangzhu"/></beans>
配置applicationWebService.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: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-4.0.xsd http://cxf.apache.org/jaxws http://cxf.apache.org/schemas/jaxws.xsdhttp://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-extension-jaxrs-binding.xml"/><import resource="classpath:META-INF/cxf/cxf-servlet.xml"/>--><jaxrs:server id="webService" address="/"><!--输入拦截器设置--><jaxrs:inInterceptors></jaxrs:inInterceptors><!--输出拦截器设置--><jaxrs:outInterceptors></jaxrs:outInterceptors><!--serviceBeans:暴露的WebService服务类--><jaxrs:serviceBeans><ref bean="studentService"/></jaxrs:serviceBeans><!--支持的协议--><jaxrs:extensionMappings><entry key="json" value="application/json"/><entry key="xml" value="application/xml"/></jaxrs:extensionMappings><!--编码格式--><jaxrs:languageMappings></jaxrs:languageMappings><!--对象转换--><jaxrs:providers><bean class="org.codehaus.jackson.jaxrs.JacksonJaxbJsonProvider"/></jaxrs:providers></jaxrs:server> </beans>
备注:注意以上文件中的标记的地方!其中address可以用于指定Web Service的版本!
配置web.xml
<!--全局配置文件--><context-param><param-name>contextConfigLocation</param-name><param-value>classpath*:applicationContext*.xml</param-value></context-param><!--spring的监听器--><listener><listener-class>org.springframework.web.context.ContextLoaderListener</listener-class></listener><!--cxf的Servlet--><servlet><servlet-name>CXFServlet</servlet-name><servlet-class>org.apache.cxf.transport.servlet.CXFServlet</servlet-class></servlet><servlet-mapping><servlet-name>CXFServlet</servlet-name><url-pattern>/services/*</url-pattern></servlet-mapping>
实体类StudentVo .java
package com.wangzhu.vo;import java.io.Serializable;import javax.xml.bind.annotation.XmlRootElement;@XmlRootElement public class StudentVo implements Serializable {/*** */private static final long serialVersionUID = -5481609827444603990L;private Integer id;private String name;private Integer age;private String desc;private Boolean status;public StudentVo() {}public StudentVo(Integer id, String name, Integer age, String desc,Boolean status) {this.id = id;this.name = name;this.age = age;this.desc = desc;this.status = status;}public Integer getId() {return id;}public void setId(Integer id) {this.id = id;}public String getName() {return name;}public void setName(String name) {this.name = name;}public Integer getAge() {return age;}public void setAge(Integer age) {this.age = age;}public String getDesc() {return desc;}public void setDesc(String desc) {this.desc = desc;}public Boolean getStatus() {return status;}public void setStatus(Boolean status) {this.status = status;}@Overridepublic String toString() {return "{id=" + id + ", name=" + name + ", age=" + age + ", desc="+ desc + ", status=" + status + "}";}}
实体类StudentListVo.java
package com.wangzhu.vo;import java.io.Serializable; import java.util.List;import javax.xml.bind.annotation.XmlRootElement;@XmlRootElement public class StudentListVo implements Serializable {/*** */private static final long serialVersionUID = -2200047544608641662L;private List<StudentVo> studentList;public StudentListVo() {}public StudentListVo(List<StudentVo> studentList) {this.studentList = studentList;}public List<StudentVo> getStudentList() {return studentList;}public void setStudentList(List<StudentVo> studentList) {this.studentList = studentList;}@Overridepublic String toString() {return "{studentList=" + studentList + "}";}}
数据生成器StudentDateSet.java
package com.wangzhu.dataset;import java.util.ArrayList; import java.util.List;import org.springframework.stereotype.Component;import com.wangzhu.vo.StudentVo;@Component public class StudentDateSet {private static List<StudentVo> list;static {StudentDateSet.list = new ArrayList<StudentVo>();for (int i = 0; i < 10; i++) {StudentVo vo = new StudentVo(i, "name" + i, Math.round(100.0f),"desc" + i, (i & 1) == 0);StudentDateSet.list.add(vo);}}public static List<StudentVo> getList() {return StudentDateSet.list;}}
Web Service的接口StudentService.java
package com.wangzhu.service;import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;import com.wangzhu.vo.StudentListVo;
import com.wangzhu.vo.StudentVo;@Path("/studentService")
@Produces(MediaType.APPLICATION_JSON)
public interface StudentService {@GET@Path("/status")public String getStatus();@GET@Path("/students/{index}")public StudentVo getStudentById(@PathParam("index") Integer id);@GET@Path("/students")public StudentListVo getStudentList();
}
Web Service的实现类StudentServiceImpl.java
package com.wangzhu.service.impl;import java.util.List;import javax.ws.rs.GET; import javax.ws.rs.Path; import javax.ws.rs.PathParam;import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Component;import com.wangzhu.dataset.StudentDateSet; import com.wangzhu.service.StudentService; import com.wangzhu.vo.StudentListVo; import com.wangzhu.vo.StudentVo;@Component("studentService") public class StudentServiceImpl implements StudentService {@Autowiredprivate StudentDateSet studentDateSet;/*** url:http://<host>:<port>/<appcontext>/services/studentService/status*/@Override@GET@Path("/status")public String getStatus() {return "getStatus";}/*** url:http://<host>:<port>/<appcontext>/services/studentService/students/{* index}*/@Override@GET@Path("/students/{index}")public StudentVo getStudentById(@PathParam("index") Integer id) {List<StudentVo> studentList = StudentDateSet.getList();StudentVo vo = null;if (studentList.size() > id) {vo = studentList.get(id - 1);}return vo;}/*** url:http://<host>:<port>/<appcontext>/services/studentService/students*/@Override@GET@Path("/students")public StudentListVo getStudentList() {List<StudentVo> studentList = StudentDateSet.getList();StudentListVo listVo = new StudentListVo(studentList);return listVo;}}
备注:注意以上有标记的studentService与applicationWebService.xml中有同名的标记。
测试:
在浏览器的地址栏中输入:
1、http://<host>:<port>/<appcontext>/services/studentService/students
2、http://<host>:<port>/<appcontext>/services/studentService/students/1
转载于:https://www.cnblogs.com/xiaoxian1369/p/4332390.html
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