向特定服务发送 SOAP 请求 [英] Sending SOAP request to a specific service
问题描述
好的,所以我对 Web 服务完全陌生,对于我正在从事的项目,我正试图将整个 SOAP 事情包裹起来.我想我对正在发生的事情有一个模糊的了解,但我缺少一些具体信息,而且我无法通过谷歌搜索找到任何有用的信息.
Okay, so I'm totally new to webservices and for a project I'm working on I'm trying to wrap my head around the whole SOAP thing. I think I have a vague understanding of what is going on, but I'm missing some specific information and I simply can't find anything helpful by googling.
我已经阅读了其他人提出的类似这样的问题 使用 java 对 WebService 的 SOAP 请求但我仍然无法完全弄清楚发生了什么.
I've read the questions others asked like this one SOAP request to WebService with java but I still can't fully figure out what is going on.
特别是我正在尝试使用此处提供的服务 http://ec.europa.eu/taxation_customs/vies/vatRequest.html 及其 wsdl 文件在此 http://ec.europa.eu/taxation_customs/vies/checkVatService.wsdl
Specifically I'm trying to use the service provided here http://ec.europa.eu/taxation_customs/vies/vatRequest.html with its wsdl file here http://ec.europa.eu/taxation_customs/vies/checkVatService.wsdl
我尝试改编上述问题中给出的示例,但我无法弄清楚要在何处添加哪些值,以便它适用于该特定服务.我得到的只是不允许使用 405 方法"的响应.这是我尝试的改编:
I tried adapting the example given in the above question, but I just can't figure out what values to add where so it works with this specific service. All I get is a "405 Method not allowed" response. Here is my attempted adaption:
package at.kmds.soaptest;
import javax.xml.soap.*;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.stream.StreamResult;
public class Main {
public static void main(String args[]) {
try {
// Create SOAP Connection
SOAPConnectionFactory soapConnectionFactory = SOAPConnectionFactory.newInstance();
SOAPConnection soapConnection = soapConnectionFactory.createConnection();
// Send SOAP Message to SOAP Server
String url = "http://ec.europa.eu/taxation_customs/vies/vatRequest.html";
SOAPMessage soapResponse = soapConnection.call(createSOAPRequest(), url);
// Process the SOAP Response
printSOAPResponse(soapResponse);
soapConnection.close();
} catch (Exception e) {
System.err.println("Error occurred while sending SOAP Request to Server");
e.printStackTrace();
}
}
private static SOAPMessage createSOAPRequest() throws Exception {
MessageFactory messageFactory = MessageFactory.newInstance();
SOAPMessage soapMessage = messageFactory.createMessage();
SOAPPart soapPart = soapMessage.getSOAPPart();
String serverURI = "http://ec.europa.eu/";
// SOAP Envelope
SOAPEnvelope envelope = soapPart.getEnvelope();
envelope.addNamespaceDeclaration("example", serverURI);
// SOAP Body
SOAPBody soapBody = envelope.getBody();
SOAPElement soapBodyElem = soapBody.addChildElement("checkVat");
SOAPElement soapBodyElem1 = soapBodyElem.addChildElement("countryCode");
soapBodyElem1.addTextNode("...");
SOAPElement soapBodyElem2 = soapBodyElem.addChildElement("vatNumber");
soapBodyElem2.addTextNode("...");
MimeHeaders headers = soapMessage.getMimeHeaders();
headers.addHeader("SOAPAction", serverURI + "checkVat");
soapMessage.saveChanges();
/* Print the request message */
System.out.print("Request SOAP Message = ");
soapMessage.writeTo(System.out);
System.out.println();
return soapMessage;
}
private static void printSOAPResponse(SOAPMessage soapResponse) throws Exception {
TransformerFactory transformerFactory = TransformerFactory.newInstance();
Transformer transformer = transformerFactory.newTransformer();
Source sourceContent = soapResponse.getSOAPPart().getContent();
System.out.print("\nResponse SOAP Message = ");
StreamResult result = new StreamResult(System.out);
transformer.transform(sourceContent, result);
}
}
如果有人能向我解释我到底做错了什么以及如何解决它,或者甚至给我一个可行的例子,我将永远感激...
If someone could explain to me what exactly I'm doing wrong and how to fix it or maybe even give me a working example I'd be eternally grateful...
推荐答案
必须稍微修改代码才能使用服务.
The code has to be slightly modified to hit the service.
String url = "http://ec.europa.eu/taxation_customs/vies/services/checkVatService";
是您必须命中的端点(这是来自 wsdl)
is the endpoint you have to hit (this is from the wsdl)
<wsdlsoap:address location="http://ec.europa.eu/taxation_customs/vies/services/checkVatService"/>
注意,当我点击这个时,我得到了一个肥皂错误.看起来构造的 SOAPBody 将不得不再次检查.
Note that when i hit this , i get a soap fault.Looks like the SOAPBody constructed will have to be checked again.
Request SOAP Message = <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:example="http://ec.europa.eu/"><SOAP-ENV:Header/><SOAP-ENV:Body><checkVat><countryCode>...</countryCode><vatNumber>...</vatNumber></checkVat></SOAP-ENV:Body></SOAP-ENV:Envelope>
Response SOAP Message = <?xml version="1.0" encoding="UTF-8"?><soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"><soap:Body><soap:Fault><faultcode>soap:Client</faultcode><faultstring>Unexpected wrapper element checkVat found. Expected {urn:ec.europa.eu:taxud:vies:services:checkVat:types}checkVat.</faultstring></soap:Fault></soap:Body></soap:Envelope>
编辑一个有效的完整程序(看起来像),给我无效的输入,因为我正在传递点(...).
Edit a full program that works (looks like) , gives me invalid input because i am passing dots (...).
import javax.xml.namespace.QName;
import javax.xml.soap.*;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.stream.StreamResult;
public class Main {
public static void main(String args[]) {
try {
// Create SOAP Connection
SOAPConnectionFactory soapConnectionFactory = SOAPConnectionFactory.newInstance();
SOAPConnection soapConnection = soapConnectionFactory.createConnection();
// Send SOAP Message to SOAP Server
String url = "http://ec.europa.eu/taxation_customs/vies/services/checkVatService";
SOAPMessage soapResponse = soapConnection.call(createSOAPRequest(), url);
// Process the SOAP Response
printSOAPResponse(soapResponse);
soapConnection.close();
} catch (Exception e) {
System.err.println("Error occurred while sending SOAP Request to Server");
e.printStackTrace();
}
}
private static SOAPMessage createSOAPRequest() throws Exception {
MessageFactory messageFactory = MessageFactory.newInstance();
SOAPMessage soapMessage = messageFactory.createMessage();
SOAPPart soapPart = soapMessage.getSOAPPart();
String serverURI = "http://ec.europa.eu/";
// SOAP Envelope
SOAPEnvelope envelope = soapPart.getEnvelope();
envelope.addNamespaceDeclaration("tns1", "urn:ec.europa.eu:taxud:vies:services:checkVat:types");
envelope.addNamespaceDeclaration("impl", "urn:ec.europa.eu:taxud:vies:services:checkVat");
// SOAP Body
SOAPBody soapBody = envelope.getBody();
QName bodyQName = new QName("urn:ec.europa.eu:taxud:vies:services:checkVat:types",
"checkVat", "tns1");
SOAPElement soapBodyElem = soapBody.addChildElement(bodyQName);
SOAPElement soapBodyElem1 = soapBodyElem.addChildElement(new QName("urn:ec.europa.eu:taxud:vies:services:checkVat:types",
"countryCode", "tns1"));
soapBodyElem1.addTextNode("...");
SOAPElement soapBodyElem2 = soapBodyElem.addChildElement(new QName("urn:ec.europa.eu:taxud:vies:services:checkVat:types",
"vatNumber", "tns1"));
soapBodyElem2.addTextNode("...");
MimeHeaders headers = soapMessage.getMimeHeaders();
headers.addHeader("SOAPAction", serverURI + "checkVat");
soapMessage.saveChanges();
/* Print the request message */
System.out.print("Request SOAP Message = ");
soapMessage.writeTo(System.out);
System.out.println();
return soapMessage;
}
private static void printSOAPResponse(SOAPMessage soapResponse) throws Exception {
TransformerFactory transformerFactory = TransformerFactory.newInstance();
Transformer transformer = transformerFactory.newTransformer();
Source sourceContent = soapResponse.getSOAPPart().getContent();
System.out.print("\nResponse SOAP Message = ");
StreamResult result = new StreamResult(System.out);
transformer.transform(sourceContent, result);
}
}
回馈
<?xml version="1.0" encoding="UTF-8"?>
<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
<soap:Body>
<soap:Fault>
<faultcode>soap:Server</faultcode>
<faultstring>INVALID_INPUT</faultstring>
</soap:Fault>
</soap:Body>
</soap:Envelope>
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