使用JAX-WS的Provider和 Dispatch发布WebService的例子

最新推荐文章于 2025-07-13 15:25:46 发布

最新推荐文章于 2025-07-13 15:25:46 发布 · 249 阅读

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本文详细介绍了如何使用Provider发布服务代码，包括导入必要的包、实现Provider接口、配置ServiceMode注解、发布服务代码以及生成的WSDL文件，并提供了客户端调用服务的代码示例。

1.使用Provider发布服务代码

package demo.order.provider;
import javax.xml.namespace.QName;
import javax.xml.soap.MessageFactory;
import javax.xml.soap.SOAPElement;
import javax.xml.soap.SOAPMessage;
import javax.xml.transform.dom.DOMSource;
import javax.xml.ws.Provider;
import javax.xml.ws.Service;
import javax.xml.ws.ServiceMode;
import javax.xml.ws.WebServiceProvider;

import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

@WebServiceProvider()
@ServiceMode(value = Service.Mode.MESSAGE)            
public class OrderProcessDOMProvider implements Provider<DOMSource> {

    public OrderProcessDOMProvider() {
     }

    public DOMSource invoke(DOMSource request) {
        DOMSource response = new DOMSource();
        try {
            MessageFactory factory = MessageFactory.newInstance();
            SOAPMessage soapReq = factory.createMessage();
            soapReq.getSOAPPart().setContent(request);
    
            System.out.println("Incoming Client Request as a DOMSource data in MESSAGE Mode");
            soapReq.writeTo(System.out);
            System.out.println("\n");
            
            Node processOrderNode = soapReq.getSOAPBody().getFirstChild();
            
            Node order = processOrderNode.getChildNodes().item(0);
           
            NodeList list = order.getChildNodes();
            for(int i = 0 ; i<list.getLength() ; i++){
            	
            	System.out.println(list.item(i).getNodeName() + "=" + 
            			list.item(i).getFirstChild().getNodeValue());
            }
           
            SOAPMessage orderResponse =  factory.createMessage();
            QName processOrderQName = new QName("http://order.demo/", "processOrder");
            QName responseQName = new QName("http://order.demo/", "return");
            SOAPElement processOrderResponse = orderResponse.getSOAPBody().addChildElement(processOrderQName);
            processOrderResponse.addChildElement(responseQName).addTextNode("ORD1234");
            response.setNode(orderResponse.getSOAPPart());
			
        } catch (Exception ex) {
            ex.printStackTrace();
        }
        return response;
    }
}

这里的 Provider泛型中可传入javax.xml.transform.Source类型，javax.activation.DataSource类型和javax.xml.soap.SOAPMessage类型

javax.xml.transform.Source类型又有如下子类

1.DOMSource

2.SAXSource

3.StreamSource

ServiceMode注解来以来指定接收请求报文的模式（Service.Mode.MESSAGE 或 Service.Mode.PAYLOAD）

发布服务代码：

package demo.order.provider;
import javax.xml.ws.Endpoint;

public class Server {

    protected Server() throws Exception {
        System.out.println("Starting Server");

	    Object implementor = new OrderProcessDOMProvider();
        String address = "http://localhost:8080/OrderProcessDOMProvider";
        Endpoint.publish(address, implementor);
        
    }

    public static void main(String args[]) throws Exception {
        new Server();
        System.out.println("Server ready...");

        Thread.sleep(5 * 60 * 1000);
        System.out.println("Server exiting");
        System.exit(0);
    }

}

生成的WSDL：

<?xml version='1.0' encoding='UTF-8'?><wsdl:definitions xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" xmlns:tns="http://provider.order.demo/" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:ns1="http://schemas.xmlsoap.org/soap/http" name="OrderProcessDOMProviderService" targetNamespace="http://provider.order.demo/">
  <wsdl:types>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:tns="http://provider.order.demo/" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://provider.order.demo/">
  <xsd:element name="invoke" nillable="true" type="xsd:anyType"/>
  <xsd:element name="invokeResponse" nillable="true" type="xsd:anyType"/>
</xsd:schema>
  </wsdl:types>
  <wsdl:message name="invokeResponse">
    <wsdl:part element="tns:invokeResponse" name="invokeResponse">
    </wsdl:part>
  </wsdl:message>
  <wsdl:message name="invoke">
    <wsdl:part element="tns:invoke" name="invoke">
    </wsdl:part>
  </wsdl:message>
  <wsdl:portType name="OrderProcessDOMProvider">
    <wsdl:operation name="invoke">
      <wsdl:input message="tns:invoke" name="invoke">
    </wsdl:input>
      <wsdl:output message="tns:invokeResponse" name="invokeResponse">
    </wsdl:output>
    </wsdl:operation>
  </wsdl:portType>
  <wsdl:binding name="OrderProcessDOMProviderServiceSoapBinding" type="tns:OrderProcessDOMProvider">
    <soap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http"/>
    <wsdl:operation name="invoke">
      <soap:operation soapAction="" style="document"/>
      <wsdl:input name="invoke">
        <soap:body use="literal"/>
      </wsdl:input>
      <wsdl:output name="invokeResponse">
        <soap:body use="literal"/>
      </wsdl:output>
    </wsdl:operation>
  </wsdl:binding>
  <wsdl:service name="OrderProcessDOMProviderService">
    <wsdl:port binding="tns:OrderProcessDOMProviderServiceSoapBinding" name="OrderProcessDOMProviderPort">
      <soap:address location="http://localhost:8080/OrderProcessDOMProvider"/>
    </wsdl:port>
  </wsdl:service>
</wsdl:definitions>

客户端代码如下：

package demo.order.dispatcher;

import java.net.URL;

import javax.xml.namespace.QName;
import javax.xml.soap.MessageFactory;
import javax.xml.soap.SOAPElement;
import javax.xml.soap.SOAPMessage;
import javax.xml.transform.dom.DOMSource;
import javax.xml.ws.Dispatch;
import javax.xml.ws.Service;
import javax.xml.ws.Service.Mode;


public final class DispatcherClient {

	public static final String WSDLFile = "http://localhost:8080/OrderProcessDOMProvider?wsdl";

    public DispatcherClient() {
    }

    public static void main(String args[]) throws Exception {

		URL wsdlURL = new URL(WSDLFile);

        MessageFactory factory = MessageFactory.newInstance();

        QName domProvider = new QName("http://provider.order.demo/", "OrderProcessDOMProviderService");
        QName portName = new QName("http://provider.order.demo/", "OrderProcessDOMProviderPort");

        Service service = Service.create(wsdlURL, domProvider);
        
        SOAPMessage soapRequest = factory.createMessage();
        
        
        QName processOrderQName = new QName("http://order.demo/", "processOrder");
       //create the element - <http://order.demo/:processOrder></http://order.demo/:processOrder>
        SOAPElement processOrderResponse = soapRequest.getSOAPBody().addChildElement(processOrderQName);
        SOAPElement order = processOrderResponse.addChildElement("arg0");
        order.addChildElement("customerID").addTextNode("Naveen");
        order.addChildElement("itemID").addTextNode("I001");
        order.addChildElement("price").addTextNode("200.00");
        order.addChildElement("qty").addTextNode("200");

        DOMSource domRequestMsg = new DOMSource(soapRequest.getSOAPPart());
        Dispatch<DOMSource> domMsg = service.createDispatch(portName, DOMSource.class, Mode.MESSAGE);

        DOMSource domResponseMsg = domMsg.invoke(domRequestMsg);
        
        SOAPMessage soapReq = factory.createMessage();
        soapReq.getSOAPPart().setContent(domRequestMsg);

        System.out.println("Client Request as a DOMSource data in MESSAGE Mode");
        soapReq.writeTo(System.out);
        System.out.println("\n");
        
        System.out.println("Response from server: " + domResponseMsg.getNode().getLastChild().getTextContent());

        }

}