Java Tutorial/Web Services SOA/SOAP

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Call google web service and deal with the return with SOAPMessage

   <source lang="java">

import java.io.FileInputStream; import java.net.URL; import javax.xml.namespace.QName; import javax.xml.soap.MessageFactory; import javax.xml.soap.SOAPMessage; import javax.xml.ws.Dispatch; import javax.xml.ws.Service; public class GoogleSearch { 

 public static void main(String args[]) throws Exception {
   URL url = new URL("http://api.google.ru/GoogleSearch.wsdl");
   QName serviceName = new QName("urn:GoogleSearch", "GoogleSearchService");
   QName portName = new QName("urn:GoogleSearch", "GoogleSearchPort");
   Service service = Service.create(url, serviceName);
   Dispatch<SOAPMessage> dispatch = service.createDispatch(portName, SOAPMessage.class,
       Service.Mode.MESSAGE);
   SOAPMessage request = MessageFactory.newInstance().createMessage(null,
       new FileInputStream("yourGoogleKey.xml"));
   SOAPMessage response = dispatch.invoke(request);
   response.writeTo(System.out);
 }

}</source>





Create SOAP message

   <source lang="java">

import javax.xml.soap.MessageFactory; import javax.xml.soap.Name; import javax.xml.soap.SOAPBody; import javax.xml.soap.SOAPBodyElement; import javax.xml.soap.SOAPEnvelope; import javax.xml.soap.SOAPHeader; import javax.xml.soap.SOAPHeaderElement; import javax.xml.soap.SOAPMessage; import javax.xml.soap.SOAPPart; import javax.xml.transform.Source; public class MainClass { 

 public static void main(String[] args) throws Exception {
   SOAPMessage soapMessage = MessageFactory.newInstance().createMessage();
   SOAPPart soapPart = soapMessage.getSOAPPart();
   SOAPEnvelope soapEnvelope = soapPart.getEnvelope();
   SOAPHeader soapHeader = soapEnvelope.getHeader();
   SOAPHeaderElement headerElement = soapHeader.addHeaderElement(soapEnvelope.createName(
       "Signature", "SOAP-SEC", "http://schemas.xmlsoap.org/soap/security/2000-12"));
   SOAPBody soapBody = soapEnvelope.getBody();
   soapBody.addAttribute(soapEnvelope.createName("id", "SOAP-SEC",
       "http://schemas.xmlsoap.org/soap/security/2000-12"), "Body");
   Name bodyName = soapEnvelope.createName("FooBar", "z", "http://example.ru");
   SOAPBodyElement gltp = soapBody.addBodyElement(bodyName);
   Source source = soapPart.getContent();
 }

}</source>





Generate DOM with SOAP message

   <source lang="java">

import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.soap.MessageFactory; import javax.xml.soap.Name; import javax.xml.soap.SOAPBody; import javax.xml.soap.SOAPBodyElement; import javax.xml.soap.SOAPEnvelope; import javax.xml.soap.SOAPHeader; import javax.xml.soap.SOAPHeaderElement; import javax.xml.soap.SOAPMessage; import javax.xml.soap.SOAPPart; import javax.xml.transform.Source; import javax.xml.transform.dom.DOMSource; import javax.xml.transform.sax.SAXSource; import org.w3c.dom.Document; import org.w3c.dom.Node; import org.xml.sax.InputSource; public class MainClass { 

 public static void main(String[] args) throws Exception {
   SOAPMessage soapMessage = MessageFactory.newInstance().createMessage();
   SOAPPart soapPart = soapMessage.getSOAPPart();
   SOAPEnvelope soapEnvelope = soapPart.getEnvelope();
   SOAPHeader soapHeader = soapEnvelope.getHeader();
   SOAPHeaderElement headerElement = soapHeader.addHeaderElement(soapEnvelope.createName(
       "Signature", "SOAP-SEC", "http://schemas.xmlsoap.org/soap/security/2000-12"));
   SOAPBody soapBody = soapEnvelope.getBody();
   soapBody.addAttribute(soapEnvelope.createName("id", "SOAP-SEC",
       "http://schemas.xmlsoap.org/soap/security/2000-12"), "Body");
   Name bodyName = soapEnvelope.createName("FooBar", "z", "http://example.ru");
   SOAPBodyElement gltp = soapBody.addBodyElement(bodyName);
   Source source = soapPart.getContent();
   Node root = null;
   if (source instanceof DOMSource) {
     root = ((DOMSource) source).getNode();
   } else if (source instanceof SAXSource) {
     InputSource inSource = ((SAXSource) source).getInputSource();
     DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
     dbf.setNamespaceAware(true);
     DocumentBuilder db = null;
     db = dbf.newDocumentBuilder();
     Document doc = db.parse(inSource);
     root = (Node) doc.getDocumentElement();
   }
 }

}</source>





Generate DSA key pair

   <source lang="java">

import java.security.KeyPair; import java.security.KeyPairGenerator; import java.security.SecureRandom; public class MainClass { 

 public static void main(String[] args) throws Exception {
   KeyPairGenerator kpg = KeyPairGenerator.getInstance("DSA");
   kpg.initialize(1024, new SecureRandom());
   KeyPair dsaKeyPair = kpg.generateKeyPair();
 }

}</source>





Output SOAP message with XML transformer

   <source lang="java">

import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.soap.MessageFactory; import javax.xml.soap.Name; import javax.xml.soap.SOAPBody; import javax.xml.soap.SOAPBodyElement; import javax.xml.soap.SOAPEnvelope; import javax.xml.soap.SOAPHeader; import javax.xml.soap.SOAPHeaderElement; import javax.xml.soap.SOAPMessage; import javax.xml.soap.SOAPPart; import javax.xml.transform.OutputKeys; import javax.xml.transform.Source; import javax.xml.transform.Transformer; import javax.xml.transform.TransformerFactory; import javax.xml.transform.dom.DOMSource; import javax.xml.transform.sax.SAXSource; import javax.xml.transform.stream.StreamResult; import org.w3c.dom.Document; import org.w3c.dom.Node; import org.xml.sax.InputSource; public class MainClass { 

 public static void main(String[] args) throws Exception {
   SOAPMessage soapMessage = MessageFactory.newInstance().createMessage();
   SOAPPart soapPart = soapMessage.getSOAPPart();
   SOAPEnvelope soapEnvelope = soapPart.getEnvelope();
   SOAPHeader soapHeader = soapEnvelope.getHeader();
   SOAPHeaderElement headerElement = soapHeader.addHeaderElement(soapEnvelope.createName(
       "Signature", "SOAP-SEC", "http://schemas.xmlsoap.org/soap/security/2000-12"));
   SOAPBody soapBody = soapEnvelope.getBody();
   soapBody.addAttribute(soapEnvelope.createName("id", "SOAP-SEC",
       "http://schemas.xmlsoap.org/soap/security/2000-12"), "Body");
   Name bodyName = soapEnvelope.createName("FooBar", "z", "http://example.ru");
   SOAPBodyElement gltp = soapBody.addBodyElement(bodyName);
   Source source = soapPart.getContent();
   Node root = null;
   if (source instanceof DOMSource) {
     root = ((DOMSource) source).getNode();
   } else if (source instanceof SAXSource) {
     InputSource inSource = ((SAXSource) source).getInputSource();
     DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
     dbf.setNamespaceAware(true);
     DocumentBuilder db = null;
     db = dbf.newDocumentBuilder();
     Document doc = db.parse(inSource);
     root = (Node) doc.getDocumentElement();
   }
   
   Transformer transformer = TransformerFactory.newInstance().newTransformer();
   transformer.setOutputProperty(OutputKeys.INDENT, "yes");
   transformer.transform(new DOMSource(root), new StreamResult(System.out));    
 }

}</source>





Processing a SOAP Message

   <source lang="java">

import java.net.URL; import javax.xml.namespace.QName; import javax.xml.soap.MessageFactory; import javax.xml.soap.SOAPBody; import javax.xml.soap.SOAPBodyElement; import javax.xml.soap.SOAPConnection; import javax.xml.soap.SOAPConnectionFactory; import javax.xml.soap.SOAPMessage; public class SOAPResponse { 

 public static void main(String[] args) {
   try {
     SOAPConnectionFactory sfc = SOAPConnectionFactory.newInstance();
     SOAPConnection connection = sfc.createConnection();
     MessageFactory mf = MessageFactory.newInstance();
     SOAPMessage sm = mf.createMessage();
     QName bodyName = new QName("http://YourSOAPServer.ru", "GetQuote", "d");
     URL endpoint = new URL("http://YourSOAPServer.ru");
     SOAPMessage response = connection.call(sm, endpoint);
     SOAPBody sb = response.getSOAPBody();
     java.util.Iterator iterator = sb.getChildElements(bodyName);
     while (iterator.hasNext()) {
       SOAPBodyElement bodyElement = (SOAPBodyElement) iterator.next();
       String val = bodyElement.getValue();
       System.out.println("The Value is:" + val);
     }
   } catch (Exception ex) {
     ex.printStackTrace();
   }
 }

}</source>





Sending a SOAP Message

   <source lang="java">

import java.net.URL; import javax.xml.namespace.QName; import javax.xml.soap.MessageFactory; import javax.xml.soap.SOAPBody; import javax.xml.soap.SOAPBodyElement; import javax.xml.soap.SOAPConnection; import javax.xml.soap.SOAPConnectionFactory; import javax.xml.soap.SOAPElement; import javax.xml.soap.SOAPHeader; import javax.xml.soap.SOAPMessage; public class SOAPRequest { 

 public static void main(String[] args) {
   try {
     SOAPConnectionFactory sfc = SOAPConnectionFactory.newInstance();
     SOAPConnection connection = sfc.createConnection();
     MessageFactory mf = MessageFactory.newInstance();
     SOAPMessage sm = mf.createMessage();
     SOAPHeader sh = sm.getSOAPHeader();
     SOAPBody sb = sm.getSOAPBody();
     sh.detachNode();
     QName bodyName = new QName("http://quoteCompany.ru", "GetQuote", "d");
     SOAPBodyElement bodyElement = sb.addBodyElement(bodyName);
     QName qn = new QName("aName");
     SOAPElement quotation = bodyElement.addChildElement(qn);
     quotation.addTextNode("TextMode");
     System.out.println("\n Soap Request:\n");
     sm.writeTo(System.out);
     System.out.println();
     URL endpoint = new URL("http://yourServer.ru");
     SOAPMessage response = connection.call(sm, endpoint);
     System.out.println(response.getContentDescription());
   } catch (Exception ex) {
     ex.printStackTrace();
   }
 }

}</source>





Sign SOAP message

   <source lang="java">

import java.security.KeyPair; import java.security.KeyPairGenerator; import java.security.PrivateKey; import java.security.SecureRandom; import java.util.Collections; import javax.xml.crypto.dsig.CanonicalizationMethod; import javax.xml.crypto.dsig.DigestMethod; import javax.xml.crypto.dsig.Reference; import javax.xml.crypto.dsig.SignatureMethod; import javax.xml.crypto.dsig.SignedInfo; import javax.xml.crypto.dsig.XMLSignature; import javax.xml.crypto.dsig.XMLSignatureFactory; import javax.xml.crypto.dsig.dom.DOMSignContext; import javax.xml.crypto.dsig.dom.DOMValidateContext; import javax.xml.crypto.dsig.keyinfo.KeyInfo; import javax.xml.crypto.dsig.keyinfo.KeyInfoFactory; import javax.xml.crypto.dsig.keyinfo.KeyValue; import javax.xml.crypto.dsig.spec.C14NMethodParameterSpec; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.soap.MessageFactory; import javax.xml.soap.Name; import javax.xml.soap.SOAPBody; import javax.xml.soap.SOAPBodyElement; import javax.xml.soap.SOAPEnvelope; import javax.xml.soap.SOAPHeader; import javax.xml.soap.SOAPHeaderElement; import javax.xml.soap.SOAPMessage; import javax.xml.soap.SOAPPart; import javax.xml.transform.OutputKeys; import javax.xml.transform.Source; import javax.xml.transform.Transformer; import javax.xml.transform.TransformerException; import javax.xml.transform.TransformerFactory; import javax.xml.transform.dom.DOMSource; import javax.xml.transform.sax.SAXSource; import javax.xml.transform.stream.StreamResult; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.Node; import org.xml.sax.InputSource; public class Signing { 

 public static void main(String[] args) throws Exception {
   SOAPMessage soapMessage = MessageFactory.newInstance().createMessage();
   SOAPPart soapPart = soapMessage.getSOAPPart();
   SOAPEnvelope soapEnvelope = soapPart.getEnvelope();
   SOAPHeader soapHeader = soapEnvelope.getHeader();
   SOAPHeaderElement headerElement = soapHeader.addHeaderElement(soapEnvelope.createName(
       "Signature", "SOAP-SEC", "http://schemas.xmlsoap.org/soap/security/2000-12"));
   SOAPBody soapBody = soapEnvelope.getBody();
   soapBody.addAttribute(soapEnvelope.createName("id", "SOAP-SEC",
       "http://schemas.xmlsoap.org/soap/security/2000-12"), "Body");
   Name bodyName = soapEnvelope.createName("FooBar", "z", "http://example.ru");
   SOAPBodyElement gltp = soapBody.addBodyElement(bodyName);
   Source source = soapPart.getContent();
   Node root = null;
   if (source instanceof DOMSource) {
     root = ((DOMSource) source).getNode();
   } else if (source instanceof SAXSource) {
     InputSource inSource = ((SAXSource) source).getInputSource();
     DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
     dbf.setNamespaceAware(true);
     DocumentBuilder db = null;
     db = dbf.newDocumentBuilder();
     Document doc = db.parse(inSource);
     root = (Node) doc.getDocumentElement();
   }
   dumpDocument(root);
   KeyPairGenerator kpg = KeyPairGenerator.getInstance("DSA");
   kpg.initialize(1024, new SecureRandom());
   KeyPair keypair = kpg.generateKeyPair();
   XMLSignatureFactory sigFactory = XMLSignatureFactory.getInstance();
   Reference ref = sigFactory.newReference("#Body", sigFactory.newDigestMethod(DigestMethod.SHA1,
       null));
   SignedInfo signedInfo = sigFactory.newSignedInfo(sigFactory.newCanonicalizationMethod(
       CanonicalizationMethod.INCLUSIVE_WITH_COMMENTS, (C14NMethodParameterSpec) null), sigFactory
       .newSignatureMethod(SignatureMethod.DSA_SHA1, null), Collections.singletonList(ref));
   KeyInfoFactory kif = sigFactory.getKeyInfoFactory();
   KeyValue kv = kif.newKeyValue(keypair.getPublic());
   KeyInfo keyInfo = kif.newKeyInfo(Collections.singletonList(kv));
   XMLSignature sig = sigFactory.newXMLSignature(signedInfo, keyInfo);
   System.out.println("Signing the message...");
   PrivateKey privateKey = keypair.getPrivate();
   Element envelope = getFirstChildElement(root);
   Element header = getFirstChildElement(envelope);
   DOMSignContext sigContext = new DOMSignContext(privateKey, header);
   sigContext.putNamespacePrefix(XMLSignature.XMLNS, "ds");
   sigContext.setIdAttributeNS(getNextSiblingElement(header),
       "http://schemas.xmlsoap.org/soap/security/2000-12", "id");
   sig.sign(sigContext);
   dumpDocument(root);
   System.out.println("Validate the signature...");
   Element sigElement = getFirstChildElement(header);
   DOMValidateContext valContext = new DOMValidateContext(keypair.getPublic(), sigElement);
   valContext.setIdAttributeNS(getNextSiblingElement(header),
       "http://schemas.xmlsoap.org/soap/security/2000-12", "id");
   boolean valid = sig.validate(valContext);
   System.out.println("Signature valid? " + valid);
 }
 private static void dumpDocument(Node root) throws TransformerException {
   Transformer transformer = TransformerFactory.newInstance().newTransformer();
   transformer.setOutputProperty(OutputKeys.INDENT, "yes");
   transformer.transform(new DOMSource(root), new StreamResult(System.out));
 }
 private static Element getFirstChildElement(Node node) {
   Node child = node.getFirstChild();
   while ((child != null) && (child.getNodeType() != Node.ELEMENT_NODE)) {
     child = child.getNextSibling();
   }
   return (Element) child;
 }
 public static Element getNextSiblingElement(Node node) {
   Node sibling = node.getNextSibling();
   while ((sibling != null) && (sibling.getNodeType() != Node.ELEMENT_NODE)) {
     sibling = sibling.getNextSibling();
   }
   return (Element) sibling;
 }

} /* <?xml version="1.0" encoding="UTF-8" standalone="no"?> <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"> <SOAP-ENV:Header> <SOAP-SEC:Signature xmlns:SOAP-SEC="http://schemas.xmlsoap.org/soap/security/2000-12"/> </SOAP-ENV:Header> <SOAP-ENV:Body xmlns:SOAP-SEC="http://schemas.xmlsoap.org/soap/security/2000-12" SOAP-SEC:id="Body"> <z:FooBar xmlns:z="http://example.ru"/> </SOAP-ENV:Body> </SOAP-ENV:Envelope> Signing the message... <?xml version="1.0" encoding="UTF-8" standalone="no"?> <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"> <SOAP-ENV:Header> <SOAP-SEC:Signature xmlns:SOAP-SEC="http://schemas.xmlsoap.org/soap/security/2000-12"/> <ds:Signature xmlns:ds="http://www.w3.org/2000/09/xmldsig#"> <ds:SignedInfo> <ds:CanonicalizationMethod Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315#WithComments"/> <ds:SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#dsa-sha1"/> <ds:Reference URI="#Body"> <ds:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1"/> <ds:DigestValue>9x0mZhajy9dHKuIXh7bm0khuC7M=</ds:DigestValue> </ds:Reference> </ds:SignedInfo> <ds:SignatureValue>CiKztXFr2HnE1ul1S5OrJpiYCV46MJ9jEiDaU7AkAiCsgkTDxAhzyA==</ds:SignatureValue> <ds:KeyInfo> <ds:KeyValue> <ds:DSAKeyValue> <ds:P>/X9TgR11EilS30qcLuzk5/YRt1I870QAwx4/gLZRJmlFXUAiUftZPY1Y+r/F9bow9subVWzXgTuA HTRv8mZgt2uZUKWkn5/oBHsQIsJPu6nX/rfGG/g7V+fGqKYVDwT7g/bTxR7DAjVUE1oWkTL2dfOu K2HXKu/yIgMZndFIAcc=</ds:P> <ds:Q>l2BQjxUjC8yykrmCouuEC/BYHPU=</ds:Q> <ds:G>9+GghdabPd7LvKtcNrhXuXmUr7v6OuqC+VdMCz0HgmdRWVeOutRZT+ZxBxCBgLRJFnEj6EwoFhO3 zwkyjMim4TwWeotUfI0o4KOuHiuzpnWRbqN/C/ohNWLx+2J6ASQ7zKTxvqhRkImog9/hWuWfBpKL Zl6Ae1UlZAFMO/7PSSo=</ds:G> <ds:Y>j9Jsiuc8WtI3LxN+wuVUHsCJ5i22tG2SBtiRzKoWrpso/Tk62TJRN7FNsWQ0lDqIqJrQt4GqzkHx yiRtmqm0xDsAd2ojzH1OZiGen+C8dsbAA4ydwmP1iz9UyAwevrdA/rhOAqgTUFv0ar9koh0aG/Wn iFrXoLYt5eVzpw/swT4=</ds:Y> </ds:DSAKeyValue> </ds:KeyValue> </ds:KeyInfo> </ds:Signature> </SOAP-ENV:Header> <SOAP-ENV:Body xmlns:SOAP-SEC="http://schemas.xmlsoap.org/soap/security/2000-12" SOAP-SEC:id="Body"> <z:FooBar xmlns:z="http://example.ru"/> </SOAP-ENV:Body> </SOAP-ENV:Envelope> Validate the signature... Signature valid? true

  • /
  1. Code referenced from
  2. Chapter 6 - Extensible Markup Language (XML)
  3. Java 6 Platform Revealed
  4. by John Zukowski
  5. ISBN: 1590596609
  6. http://www.apress.ru/book/bookDisplay.html?bID=10109</source>





Use DSA key pair to generate XML Signature

   <source lang="java">

import java.security.KeyPair; import java.security.KeyPairGenerator; import java.security.SecureRandom; import java.util.Collections; import javax.xml.crypto.dsig.CanonicalizationMethod; import javax.xml.crypto.dsig.DigestMethod; import javax.xml.crypto.dsig.Reference; import javax.xml.crypto.dsig.SignatureMethod; import javax.xml.crypto.dsig.SignedInfo; import javax.xml.crypto.dsig.XMLSignature; import javax.xml.crypto.dsig.XMLSignatureFactory; import javax.xml.crypto.dsig.keyinfo.KeyInfo; import javax.xml.crypto.dsig.keyinfo.KeyInfoFactory; import javax.xml.crypto.dsig.keyinfo.KeyValue; import javax.xml.crypto.dsig.spec.C14NMethodParameterSpec; public class MainClass { 

 public static void main(String[] args) throws Exception {
   KeyPairGenerator kpg = KeyPairGenerator.getInstance("DSA");
   kpg.initialize(1024, new SecureRandom());
   KeyPair dsaKeyPair = kpg.generateKeyPair();
   XMLSignatureFactory sigFactory = XMLSignatureFactory.getInstance();
   Reference ref = sigFactory.newReference("#Body", sigFactory.newDigestMethod(DigestMethod.SHA1,
       null));
   SignedInfo signedInfo = sigFactory.newSignedInfo(sigFactory.newCanonicalizationMethod(
       CanonicalizationMethod.INCLUSIVE_WITH_COMMENTS, (C14NMethodParameterSpec) null), sigFactory
       .newSignatureMethod(SignatureMethod.DSA_SHA1, null), Collections.singletonList(ref));
   KeyInfoFactory kif = sigFactory.getKeyInfoFactory();
   KeyValue kv = kif.newKeyValue(dsaKeyPair.getPublic());
   KeyInfo keyInfo = kif.newKeyInfo(Collections.singletonList(kv));
   XMLSignature xmlSig = sigFactory.newXMLSignature(signedInfo, keyInfo);
 }

}</source>


Источник — «http://jexp.ru/index.php?title=Java_Tutorial/Web_Services_SOA/SOAP&oldid=5276»