import javax.xml.namespace.QName;
import javax.xml.rpc.ParameterMode;
import org.apache.axis.client.Call;
import org.apache.axis.client.Service;

public class TestEcho {
    public static void main(String[] args) throws Exception {
        String endpoint = "http://localhost:8080/webservice/HelloService";
        Service service = new Service();
        Call call = (Call) service.createCall();
        call.setTargetEndpointAddress(new java.net.URL(endpoint));
        call.setOperationName(new QName("urn:HelloService", "echo"));
        call.addParameter(new QName("", "String_1"), new QName("http://www.w3.org/2001/XMLSchema",
                "string"), ParameterMode.IN);
        call.setReturnType(org.apache.axis.Constants.XSD_STRING);
        Object ret = call.invoke(new Object[] {"test"});
        System.out.println(ret);
    }
}