通过HttpClient调用webservice

<?xml version="1.0" encoding="utf-8"?>
        <soap12:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap12="http://www.w3.org/2003/05/soap-envelope">
          <soap12:Body>
            <Login xmlns="Loginnames">
                  <userId>张氏</userId>
                  <password>123456</password>
            </Login>
          </soap12:Body>
    </soap12:Envelope>

String serviceEpr = "http://127.0.0.1/rightproject/WebServices/RightService.asmx";
String contentType = "application/soap+xml; charset=utf-8";

public static String callWebService(String soapRequest, String serviceEpr, String contentType){
        
        PostMethod postMethod = new PostMethod(serviceEpr);
        //设置POST方法请求超时
        postMethod.getParams().setParameter(HttpMethodParams.SO_TIMEOUT, 5000);
        
        try {
            
            byte[] b = soapRequest.getBytes("utf-8");
            InputStream inputStream = new ByteArrayInputStream(b, 0, b.length);
            RequestEntity re = new InputStreamRequestEntity(inputStream, b.length, contentType);
            postMethod.setRequestEntity(re);
            
            HttpClient httpClient = new HttpClient();
            HttpConnectionManagerParams managerParams = httpClient.getHttpConnectionManager().getParams(); 
            // 设置连接超时时间(单位毫秒)
            managerParams.setConnectionTimeout(30000);
            // 设置读数据超时时间(单位毫秒)
            managerParams.setSoTimeout(600000); 
            int statusCode = httpClient.executeMethod(postMethod);
            if (statusCode != HttpStatus.SC_OK)  
                throw new IllegalStateException("调用webservice错误 : " + postMethod.getStatusLine()); 
            
            String soapRequestData =  postMethod.getResponseBodyAsString();
            inputStream.close();
            return soapRequestData;
        } catch (UnsupportedEncodingException e) {
            return "errorMessage : " + e.getMessage();
        } catch (HttpException e) {
            return "errorMessage : " + e.getMessage();
        } catch (IOException e) {
            return "errorMessage : " + e.getMessage();
        }finally{
             postMethod.releaseConnection(); 
        }
    }