Axis2调用WebService例子

Axis2是Apache的一个开源组件，你可以从Apache Project的网站http://ws.apache.org/axis2/中下载它的zip包，解压后，你会见到一个lib文件夹，在下例中，你需要导入以下几个jar包


axiom-api.jar

axis2-kernel.jar

commons-logging.jar

axiom-impl.jar

wsdl4j.jar

XmlSchema.jar

backport-util-concurrent.jar

neethi.jar

commons-httpclient.jar

commons-codec.jar



下面这个是WebService的Impl文件，虽然写客户端不需要用到它，客户端只需知道WebService的地址，并且由此找到最终发布的 wsdl文件，就可以调用这个WebService了。这个类采用了JSR-181（JAX-WS），只需在类中加入一些简单的anotation，最终 的WSDL文件及其它相关XML文件由这个类自动生成

package com.mycompany;

imp<wbr>ort javax.jws.WebMethod;
imp<wbr>ort javax.jws.WebParam;
imp<wbr>ort javax.jws.WebResult;
imp<wbr>ort javax.jws.WebService;

@WebService(name = "TestService", serviceName = "TestService", targetNamespace = "http://www.mycompany.com")
public class TestService
{
@WebMethod(act<wbr>ion = "http://www.mycompany.com/test")
@WebResult(name = "greeting")
public String test(@WebParam(name = "name") String name)
{
return "hello " + name;
}
}

下面这个类，就是客户端调用WebService的代码
package javaapplication1;

imp<wbr>ort org.apache.axiom.om.OMAbstractFactory;
imp<wbr>ort org.apache.axiom.om.OMElement;
imp<wbr>ort org.apache.axiom.om.OMFactory;
imp<wbr>ort org.apache.axiom.om.OMNamespace;
imp<wbr>ort org.apache.axis2.AxisFault;
imp<wbr>ort org.apache.axis2.addressing.EndpointReference;
imp<wbr>ort org.apache.axis2.client.Options;
imp<wbr>ort org.apache.axis2.client.ServiceClient;

public class TestClient
{
    private static void invokeWebService()
    {
        try
        {
            String soapBindingAddress = "http://localhost:9080/WebService/TestService";
           
            EndpointReference endpointReference = new EndpointReference(soapBindingAddress);
           
            //创建一个OMFactory，下面的namespace、方法与参数均需由它创建
            OMFactory factory = OMAbstractFactory.getOMFactory();
           
            //下面创建命名空间，如果你的WebService指定了targetNamespace属性的话，就要用这个
            //对应于@WebService(targetNamespace = "http://www.mycompany.com")
            OMNamespace namespace = factory.createOMNamespace("http://www.mycompany.com", "xsd");

            //下面创建的是参数对数，对应于@WebParam(name = "name")
            //由于@WebParam没有指定targetNamespace，所以下面创建name参数时，用了null，否则你得赋一个namespace给它
            OMElement nameElement = nameElement = factory.createOMElement("name", null);
            nameElement.addChild(factory.createOMText(nameElement, "java"));

            //下面创建一个method对象，"test"为方法名
            OMElement method = factory.createOMElement("test", namespace);
            method.addChild(nameElement);
           
            Options options = new Options();
            options.setAction("http://www.mycompany.com/test");  //此处对应于@WebMethod(act<wbr>ion = "http://www.mycompany.com/test")
            options.setTo(endpointReference);

            ServiceClient sender = new ServiceClient();
            sender.setOptions(options);

            //下面的输出结果为<xsd:test xmlns:xsd="http://www.mycompany.com"><name>java</name></xsd:test>
            System.out.println(method.toString());

            //发送并得到结果，至此，调用成功，并得到了结果
            OMElement result = sender.sendReceive(method);

            //下面的输出结果为<ns2:testResponse xmlns:ns2="http://www.mycompany.com"><greeting>hello java</greeting></ns2:testResponse>
            System.out.println(result.toString());
        }
        catch (AxisFault ex)
        {
            ex.printStackTrace();
        }

    }

    public static void main(String[] args)
    {
        TestClient.invokeWebService();
    }
}