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X509IssuerSerialResolver.javaAPI DocJava SE 6 API6501Tue Jun 10 00:23:02 BST 2008com.sun.org.apache.xml.internal.security.keys.keyresolver.implementations

X509IssuerSerialResolver

public class X509IssuerSerialResolver extends KeyResolverSpi
author
$Author: raul $

Fields Summary
static Logger
log
{@link java.util.logging} logging facility
Constructors Summary
Methods Summary
public booleanengineCanResolve(org.w3c.dom.Element element, java.lang.String BaseURI, com.sun.org.apache.xml.internal.security.keys.storage.StorageResolver storage)

inheritDoc


      
        
                                     
      if (true)
      	if (log.isLoggable(java.util.logging.Level.FINE))                                     log.log(java.util.logging.Level.FINE, "Can I resolve " + element.getTagName() + "?");

      X509Data x509data = null;
      try {
         x509data = new X509Data(element, BaseURI);
      } catch (XMLSignatureException ex) {
         if (log.isLoggable(java.util.logging.Level.FINE))                                     log.log(java.util.logging.Level.FINE, "I can't");

         return false;
      } catch (XMLSecurityException ex) {
         if (log.isLoggable(java.util.logging.Level.FINE))                                     log.log(java.util.logging.Level.FINE, "I can't");

         return false;
      }

      if (x509data == null) {
         if (log.isLoggable(java.util.logging.Level.FINE))                                     log.log(java.util.logging.Level.FINE, "I can't");
         return false;
      }

      if (x509data.containsIssuerSerial()) {
            return true;
      }

      if (log.isLoggable(java.util.logging.Level.FINE))                                     log.log(java.util.logging.Level.FINE, "I can't");
      return false;
public java.security.PublicKeyengineResolvePublicKey(org.w3c.dom.Element element, java.lang.String BaseURI, com.sun.org.apache.xml.internal.security.keys.storage.StorageResolver storage)

inheritDoc


      X509Certificate cert = this.engineResolveX509Certificate(element,
                                BaseURI, storage);

      if (cert != null) {
         return cert.getPublicKey();
      }

      return null;
public javax.crypto.SecretKeyengineResolveSecretKey(org.w3c.dom.Element element, java.lang.String BaseURI, com.sun.org.apache.xml.internal.security.keys.storage.StorageResolver storage)

inheritDoc

      return null;
public java.security.cert.X509CertificateengineResolveX509Certificate(org.w3c.dom.Element element, java.lang.String BaseURI, com.sun.org.apache.xml.internal.security.keys.storage.StorageResolver storage)

inheritDoc


      try {
         if (storage == null) {
            Object exArgs[] = { Constants._TAG_X509ISSUERSERIAL };
            KeyResolverException ex =
               new KeyResolverException("KeyResolver.needStorageResolver",
                                        exArgs);

            if (log.isLoggable(java.util.logging.Level.INFO))                                  log.log(java.util.logging.Level.INFO, "", ex);
            throw ex;
         }

         X509Data x509data = new X509Data(element, BaseURI);
         int noOfISS = x509data.lengthIssuerSerial();

         while (storage.hasNext()) {
            X509Certificate cert = storage.next();
            XMLX509IssuerSerial certSerial = new XMLX509IssuerSerial(element.getOwnerDocument(), cert);

            if (true) {
            	if (log.isLoggable(java.util.logging.Level.FINE))                                     log.log(java.util.logging.Level.FINE, "Found Certificate Issuer: "
                      + certSerial.getIssuerName());
            	if (log.isLoggable(java.util.logging.Level.FINE))                                     log.log(java.util.logging.Level.FINE, "Found Certificate Serial: "
                      + certSerial.getSerialNumber().toString());
            }

            for (int i=0; i<noOfISS; i++) {
               XMLX509IssuerSerial xmliss = x509data.itemIssuerSerial(i);

               if (true) {
               	    if (log.isLoggable(java.util.logging.Level.FINE))                                     log.log(java.util.logging.Level.FINE, "Found Element Issuer:     "
                         + xmliss.getIssuerName());
               	    if (log.isLoggable(java.util.logging.Level.FINE))                                     log.log(java.util.logging.Level.FINE, "Found Element Serial:     "
                         + xmliss.getSerialNumber().toString());
               }

               if (certSerial.equals(xmliss)) {
                  if (log.isLoggable(java.util.logging.Level.FINE))                                     log.log(java.util.logging.Level.FINE, "match !!! ");

                  return cert;
               } 
                if (log.isLoggable(java.util.logging.Level.FINE))                                     log.log(java.util.logging.Level.FINE, "no match...");               
            }
         }

         return null;
      } catch (XMLSecurityException ex) {
         if (log.isLoggable(java.util.logging.Level.FINE))                                     log.log(java.util.logging.Level.FINE, "XMLSecurityException", ex);

         throw new KeyResolverException("generic.EmptyMessage", ex);
      }