接著上一篇文章,這裡舉一個client端handler的例子。
先把webservice服務端的代碼整個貼一下
webservice:
import javax.jws.HandlerChain;<br />import javax.jws.WebMethod;<br />import javax.jws.WebService;</p><p>@WebService<br />@HandlerChain(file="handlers.xml")<br />public class HelloWS {</p><p> @WebMethod<br /> public String sayHello(String name) {<br /> return "Hello " + name + ".";<br /> }<br />}
handler:
import java.util.Set;</p><p>import javax.xml.namespace.QName;<br />import javax.xml.ws.handler.MessageContext;<br />import javax.xml.ws.handler.soap.SOAPHandler;<br />import javax.xml.ws.handler.soap.SOAPMessageContext;</p><p>public class HelloHandler implements SOAPHandler<SOAPMessageContext> {</p><p>@Override<br />public boolean handleMessage(SOAPMessageContext context) {<br />System.out.println(context.get(MessageContext.WSDL_SERVICE).toString());<br />return true;<br />}</p><p>@Override<br />public boolean handleFault(SOAPMessageContext context) {<br />// TODO Auto-generated method stub<br />return true;<br />}</p><p>@Override<br />public void close(MessageContext context) {<br />// TODO Auto-generated method stub</p><p>}</p><p>@Override<br />public Set<QName> getHeaders()<br />{<br />// TODO Auto-generated method stub<br />return null;<br />}</p><p>}<br />
這裡用j2se來發布webservice,主函數為:
import javax.xml.ws.Endpoint;</p><p>public class ServerMain {</p><p>/**<br /> * @param args<br /> */<br />public static void main(String[] args)<br />{<br />Endpoint.publish("http://localhost:8000/HelloWS3/HelloWSService",new HelloWS());</p><p>}</p><p>}
運行主函數,發行就緒webservice,wsdl地址為:http://localhost:8000/HelloWS3/HelloWSService?wsdl
產生用戶端代碼
用wsimport命令產生用戶端代碼
命令為:。。。/workspace/helloWS3Client/bin>wsimport -keep http://localhost:8000/HelloWS3/HelloWSService?wsdl -p com.ws.client
其中keep表示儲存源檔案,-p表示代碼儲存到指定包下。
然後在com.ws.client下建立一個用戶端主函數,其中在用戶端的webservice代理對象中插入handler,為了方便使用上面的同一個handler類,client端代碼如下:
import java.util.List;</p><p>import javax.xml.ws.Binding;<br />import javax.xml.ws.BindingProvider;<br />import javax.xml.ws.handler.Handler;</p><p>import com.ws.handler.HelloHandler;</p><p>public class ClientMain {</p><p>/**<br /> * @param args<br /> */<br />public static void main(String[] args)<br />{<br />HelloWSService hs=new HelloWSService();</p><p>HelloWS hello= hs.getHelloWSPort();</p><p>Binding binding=((BindingProvider)hello).getBinding();<br />List<Handler> handlerChain=binding.getHandlerChain();<br />handlerChain.add(new HelloHandler());<br />binding.setHandlerChain(handlerChain);</p><p>System.out.println(hello.sayHello("xxxxxxx"));</p><p>}</p><p>}
代碼的作用是在bindingprovider對象的handlerchain中添加一個handler。
保持之前的服務端webservice運行著,然後運行這個用戶端,可以在兩個進程的控制台中同時列印被調用的webservice名字。
server:
2011-5-4 18:12:08 com.sun.xml.internal.ws.model.RuntimeModeler getRequestWrapperClass
資訊: Dynamically creating request wrapper Class com.ws.service.jaxws.SayHello
2011-5-4 18:12:08 com.sun.xml.internal.ws.model.RuntimeModeler getResponseWrapperClass
資訊: Dynamically creating response wrapper bean Class com.ws.service.jaxws.SayHelloResponse
{http://service.ws.com/}HelloWSService
{http://service.ws.com/}HelloWSService
client:
{http://service.ws.com/}HelloWSService
{http://service.ws.com/}HelloWSService
Hello xxxxxxx.s