axis2 webservice Client (天气预报 )

package its.bgp.service;

import org.apache.axiom.om.OMAbstractFactory;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMFactory;
import org.apache.axiom.om.OMNamespace;
import org.apache.axis2.AxisFault;
import org.apache.axis2.addressing.EndpointReference;
import org.apache.axis2.client.Options;
import org.apache.axis2.client.ServiceClient;
import org.apache.axis2.transport.http.HTTPConstants;

public class Client {

private static String url = "http://webservice.webxml.com.cn/WebServices/WeatherWebService.asmx";
// 端点引用 指接口位置
private static EndpointReference targetEpr = new EndpointReference(url);
// 有抽象OM工厂获取OM工厂，创建request SOAP包
private static OMFactory fac = OMAbstractFactory.getOMFactory();

public static OMElement getOMMethod(String methodStr, String namespace,
String tns, String[] pars, String[] vals) {
// 创建命名空间
OMNamespace nms = fac.createOMNamespace(namespace, tns);
// 创建OMElement方法 元素，并指定其在nms指代的名称空间中
OMElement method = fac.createOMElement(methodStr, nms);
// 添加方法参数名和参数值
for (int i = 0; i < pars.length; i++) {
// 创建方法参数OMElement元素
OMElement param = fac.createOMElement(pars[i], nms);
// 设置键值对 参数值
param.setText(vals[i]);
// 讲方法元素 添加到method方法元素中
method.addChild(param);
}
return method;
}

public static Options getClientOptions(String action) {
// 创建request soap包 请求选项
Options options = new Options();
// 设置options的soapAction
options.setAction(action);
// 设置request soap包的端点引用(接口地址)
options.setTo(targetEpr);
// 如果报错提示Content-Length，请求内容长度
options.setProperty(HTTPConstants.CHUNKED, "false");// 把chunk关掉后，会自动加上Content-Length。
return options;
}

public static OMElement getWeather(String action, String methodStr,
String namespace, String tns, String[] pars, String[] vals) {
OMElement result = null;
try {
ServiceClient client = new ServiceClient();
client.setOptions(getClientOptions(action));
result = client.sendReceive(getOMMethod(methodStr, namespace, tns,
pars, vals));
} catch (AxisFault e) {
e.printStackTrace();
}
return result;
}

public static void main(String[] args) {
String action = "http://WebXml.com.cn/getWeatherbyCityName";
String methodStr = "getWeatherbyCityName";
String namespace = "http://WebXml.com.cn/";
String tns = "xsd";
String[] pars = { "theCityName" };
String[] vals = { "北京" };
OMElement result = null;
result = getWeather(action, methodStr, namespace, tns, pars, vals);
System.out.println(result);
}
}