使用HttpClient对Web Service调用（转）

最新推荐文章于 2021-03-16 18:17:27 发布

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最新推荐文章于 2021-03-16 18:17:27 发布

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分类专栏： JAVA基础文章标签： service web soap encoding byte jar

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用到的jar包有：
    commons-codec-1.3.jar
    commons-httpclient-3.0.jar
    commons-logging-1.0.4.jar

具体流程大致这样：

String soapRequestData = "<?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>" +
" <qqCheckOnline xmlns=""http://WebXml.com.cn/"">" +
"    <qqCode>349104641</qqCode>" +
"   </qqCheckOnline>" +
  "  </soap12:Body>" +
  "</soap12:Envelope>";

System.out.println(soapRequestData);

  //PostMethod postMethod = new PostMethod("http://www.webxml.com.cn/WebServices/WeatherWebService.asmx?wsdl");

PostMethod postMethod = new PostMethod("http://www.webxml.com.cn/webservices/qqOnlineWebService.asmx?wsdl");

// 然后把Soap请求数据添加到PostMethod中

  byte[] b = soapRequestData.getBytes("utf-8");
InputStream is = new ByteArrayInputStream(b,0,b.length);
RequestEntity re = new InputStreamRequestEntity(is,b.length,"application/soap+xml; charset=utf-8");
postMethod.setRequestEntity(re);

  //最后生成一个HttpClient对象，并发出postMethod请求

HttpClient httpClient = new HttpClient();
  int statusCode = httpClient.executeMethod(postMethod);
String soapResponseData =  postMethod.getResponseBodyAsString();


System.out.print(soapResponseData);

动态构造调用串的话如下实现：

  private String tns;
  private String methodName;
  private String wsdlLocation;
  private String soapResponseData;

private int invoke(Map<String, String> patameterMap) throws Exception {
PostMethod postMethod = new PostMethod(wsdlLocation);
String soapRequestData = buildRequestData(patameterMap);

  byte[] bytes = soapRequestData.getBytes("utf-8");
InputStream inputStream = new ByteArrayInputStream(bytes, 0,
bytes.length);
RequestEntity requestEntity = new InputStreamRequestEntity(inputStream,
bytes.length, "application/soap+xml; charset=utf-8");
postMethod.setRequestEntity(requestEntity);

HttpClient httpClient = new HttpClient();
  int statusCode = httpClient.executeMethod(postMethod);
soapResponseData = postMethod.getResponseBodyAsString();
  return statusCode;
}

  private String buildRequestData(Map<String, String> patameterMap) {
StringBuffer soapRequestData = new StringBuffer();
soapRequestData.append("<?xml version=""1.0"" encoding=""utf-8""?>");
soapRequestData
.append("<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"">");
soapRequestData.append("<soap12:Body>");
soapRequestData.append("<" + methodName + " xmlns=""" + tns + """>");
Set<String> nameSet = patameterMap.keySet();
  for (String name : nameSet) {
soapRequestData.append("<" + name + ">" + patameterMap.get(name)
+ "</" + name + ">");
}
soapRequestData.append("</" + methodName + ">");
soapRequestData.append("</soap12:Body>");
soapRequestData.append("</soap12:Envelope>");

  return soapRequestData.toString();
}