轉自:http://www.iteye.com/topic/745233
原文地址:http://cxf.apache.org/docs/a-simple-jax-ws-service.html
這個例子將通過編寫JAX-WS來引導你開發第一個服務
- 設置構建
- 編寫服務
- 發佈服務
- 訪問服務
設置構建
如果你使用Maven來構建你的工程,查看這個頁面
否則,打開你最喜愛的IDE,然後創建一個新的工程,我們首先要做的是將CXF依賴的包添加到工程裏,你可以在CXF的發佈包的ib目錄下找到這些依賴包(提示:如果發佈包的版本改變,這些jar包上的版本數字可能有所不同)
geronimo-activation_1.1_spec-1.0.2.jar (or Sun's Activation jar)
geronimo-annotation_1.0_spec-1.1.1.jar (JSR 250)
geronimo-javamail_1.4_spec-1.6.jar (or Sun's JavaMail jar)
geronimo-servlet_2.5_spec-1.2.jar (or Sun's Servlet jar)
geronimo-ws-metadata_2.0_spec-1.1.2.jar (JSR 181)
geronimo-jaxws_2.1_spec-1.0.jar (or Sun's jaxws-api-2.1.jar)
geronimo-stax-api_1.0_spec-1.0.1.jar (or other stax-api jar)
jaxb-api-2.1.jar
jaxb-impl-2.1.12.jar
jetty-6.1.21.jar
jetty-util-6.1.21.jar
neethi-2.0.4.jar
saaj-api-1.3.jar
saaj-impl-1.3.2.jar
wsdl4j-1.6.2.jar
wstx-asl-3.2.8.jar
XmlSchema-1.4.5.jar
xml-resolver-1.2.jar
Spring依賴包 (非必須- 爲了支持XML配置):
spring-core-2.5.5.jar
spring-beans-2.5.5.jar
spring-context-2.5.5.jar
spring-web-2.5.5.jar
還需要CXF的jar包:
編寫服務
首先,我們將編寫服務的接口,這個接口只有一個"sayHello" 的方法,這個方法會對提交他們名字的用戶說 "Hello"
- @WebService
- public interface HelloWorld {
- String sayHi(String text);
- /* 進階應用,JAX-WS/JAXB不支持自定義類型參數如User
- * 需要編寫XmlAdapter類來處理自定義類型
- */
- String sayHiToUser(User user);
- /* Map傳遞
- * JAXB同樣也不支持Maps.處理Lists很輕鬆,但是不直接支持Maps
- * 同樣也需要使用XmlAdapter來映射maps到JAXB能處理的beans
- */
- @XmlJavaTypeAdapter(IntegerUserMapAdapter.class)
- Map<Integer, User> getUsers();
- }
@WebService
public interface HelloWorld {
String sayHi(String text);
/* 進階應用,JAX-WS/JAXB不支持自定義類型參數如User
* 需要編寫XmlAdapter類來處理自定義類型
*/
String sayHiToUser(User user);
/* Map傳遞
* JAXB同樣也不支持Maps.處理Lists很輕鬆,但是不直接支持Maps
* 同樣也需要使用XmlAdapter來映射maps到JAXB能處理的beans
*/
@XmlJavaTypeAdapter(IntegerUserMapAdapter.class)
Map<Integer, User> getUsers();
}
爲了確認參數在xml文件中名稱正確,你需要使用:
- @WebService
- public interface HelloWorld {
- String sayHi(@WebParam(name="text") String text);
- }
@WebService
public interface HelloWorld {
String sayHi(@WebParam(name="text") String text);
}
因爲java接口在.class文件中不存儲參數名稱,所以@WebParam註解是必須的,因此如果你不使用這個註解,參數將被命名爲arg0
我們的實現將像這樣:
- package demo.hw.server;
- import java.util.LinkedHashMap;
- import java.util.Map;
- import javax.jws.WebService;
- @WebService(endpointInterface = "demo.hw.server.HelloWorld",
- serviceName = "HelloWorld")
- public class HelloWorldImpl implements HelloWorld {
- Map<Integer, User> users = new LinkedHashMap<Integer, User>();
- public String sayHi(String text) {
- System.out.println("sayHi called");
- return "Hello " + text;
- }
- public String sayHiToUser(User user) {
- System.out.println("sayHiToUser called");
- users.put(users.size() + 1, user);
- return "Hello " + user.getName();
- }
- public Map<Integer, User> getUsers() {
- System.out.println("getUsers called");
- return users;
- }
- }
package demo.hw.server;
import java.util.LinkedHashMap;
import java.util.Map;
import javax.jws.WebService;
@WebService(endpointInterface = "demo.hw.server.HelloWorld",
serviceName = "HelloWorld")
public class HelloWorldImpl implements HelloWorld {
Map<Integer, User> users = new LinkedHashMap<Integer, User>();
public String sayHi(String text) {
System.out.println("sayHi called");
return "Hello " + text;
}
public String sayHiToUser(User user) {
System.out.println("sayHiToUser called");
users.put(users.size() + 1, user);
return "Hello " + user.getName();
}
public Map<Integer, User> getUsers() {
System.out.println("getUsers called");
return users;
}
}
在實現類上的@WebService註解使CXF知道使用那個接口來創建WSDL,我們示例中是HelloWorld接口 發佈服務
- System.out.println("Starting Server");
- HelloWorldImpl implementor = new HelloWorldImpl();
- String address = "http://localhost:9000/helloWorld";
- Endpoint.publish(address, implementor);
System.out.println("Starting Server");
HelloWorldImpl implementor = new HelloWorldImpl();
String address = "http://localhost:9000/helloWorld";
Endpoint.publish(address, implementor);
完整的代碼在http://svn.apache.org/repos/asf/cxf/trunk/distribution/src/main/release/samples/java_first_jaxws/src/demo/hw/server/Server.java
或者你可以使用下列代碼,通過如下代碼,你可以更多控制行爲,例如你可以添加日誌攔截器
- HelloWorldImpl implementor = new HelloWorldImpl();
- JaxWsServerFactoryBean svrFactory = new JaxWsServerFactoryBean();
- svrFactory.setServiceClass(HelloWorld.class);
- svrFactory.setAddress("http://localhost:9000/helloWorld");
- svrFactory.setServiceBean(implementor);
- svrFactory.getInInterceptors().add(new LoggingInInterceptor());
- svrFactory.getOutInterceptors().add(new LoggingOutInterceptor());
- svrFactory.create();
HelloWorldImpl implementor = new HelloWorldImpl();
JaxWsServerFactoryBean svrFactory = new JaxWsServerFactoryBean();
svrFactory.setServiceClass(HelloWorld.class);
svrFactory.setAddress("http://localhost:9000/helloWorld");
svrFactory.setServiceBean(implementor);
svrFactory.getInInterceptors().add(new LoggingInInterceptor());
svrFactory.getOutInterceptors().add(new LoggingOutInterceptor());
svrFactory.create();
你可以忽略設置ServiceClass,但是最好設置,這樣可以使服務端和客戶端都從同樣的接口創建而來,如果你使用實現類來作爲替代可能會出現問題
瀏覽器裏輸入http://localhost:9000/helloWorld?wsdl顯示出這個服務的wsdl
訪問服務
同樣客戶端代碼在http://svn.apache.org/repos/asf/cxf/trunk/distribution/src/main/release/samples/java_first_jaxws/src/demo/hw/client/Client.java
對於客戶端,同樣也有替代方法給予你更多的伸縮性,當然如上一個示例的日誌攔截器也是可選擇的,但是對於初學者幫助很大:
- JaxWsProxyFactoryBean factory = new JaxWsProxyFactoryBean();
- factory.getInInterceptors().add(new LoggingInInterceptor());
- factory.getOutInterceptors().add(new LoggingOutInterceptor());
- factory.setServiceClass(HelloWorld.class);
- factory.setAddress("http://localhost:9000/helloWorld");
- HelloWorld client = (HelloWorld) factory.create();
- String reply = client.sayHi("HI");
- System.out.println("Server said: " + reply);
- System.exit(0);
JaxWsProxyFactoryBean factory = new JaxWsProxyFactoryBean();
factory.getInInterceptors().add(new LoggingInInterceptor());
factory.getOutInterceptors().add(new LoggingOutInterceptor());
factory.setServiceClass(HelloWorld.class);
factory.setAddress("http://localhost:9000/helloWorld");
HelloWorld client = (HelloWorld) factory.create();
String reply = client.sayHi("HI");
System.out.println("Server said: " + reply);
System.exit(0);