question: private void parseElement ( Element element ) throws SAML2Exception { AssertionFactory assertionFactory = AssertionFactory . getInstance ( ) ; ProtocolFactory protoFactory = ProtocolFactory . getInstance ( ) ; requestId = element . getAttribute ( SAML2Constants . ID ) ; validateID ( requestId ) ; version = element . getAttribute ( SAML2Constants . VERSION ) ; validateVersion ( version ) ; String issueInstantStr = element . getAttribute ( SAML2Constants . ISSUE_INSTANT ) ; validateIssueInstant ( issueInstantStr ) ; destinationURI = element . getAttribute ( SAML2Constants . DESTINATION ) ; consent = element . getAttribute ( SAML2Constants . CONSENT ) ; String notOnOrAfterStr = element . getAttribute ( SAML2Constants . NOTONORAFTER ) ; validateNotOnOrAfterStr ( notOnOrAfterStr ) ; reason = element . getAttribute ( SAML2Constants . REASON ) ; String sessionIndexStr = null ; NodeList nList = element . getChildNodes ( ) ; if ( ( nList != null ) && ( nList . getLength ( ) > 0 ) ) { for ( int i = 0 ; i < nList . getLength ( ) ; i ++ ) { Node childNode = nList . item ( i ) ; String cName = childNode . getLocalName ( ) ; if ( cName != null ) { if ( cName . equals ( SAML2Constants . ISSUER ) ) { nameID = assertionFactory . createIssuer ( ( Element ) childNode ) ; } else if ( cName . equals ( SAML2Constants . SIGNATURE ) ) { signatureString = XMLUtils . print ( ( Element ) childNode ) ; isSigned = true ; } else if ( cName . equals ( SAML2Constants . EXTENSIONS ) ) { extensions = protoFactory . createExtensions ( ( Element ) childNode ) ; } else if ( cName . equals ( SAML2Constants . BASEID ) ) { baseId = assertionFactory . createBaseID ( ( Element ) childNode ) ; } else if ( cName . equals ( SAML2Constants . NAMEID ) ) { nameId = assertionFactory . createNameID ( ( Element ) childNode ) ; } else if ( cName . equals ( SAML2Constants . ENCRYPTEDID ) ) { encryptedId = assertionFactory . createEncryptedID ( ( Element ) childNode ) ; } else if ( cName . equals ( SAML2Constants . SESSION_INDEX ) ) { if ( ( sessionIndexList == null ) || ( sessionIndexList . isEmpty ( ) ) ) { sessionIndexList = new ArrayList ( ) ; } sessionIndexStr = XMLUtils . getElementString ( ( Element ) childNode ) ; sessionIndexList . add ( sessionIndexStr ) ; } } } validateBaseIDorNameIDorEncryptedID ( ) ; if ( ( sessionIndexList != null ) && ( ! sessionIndexList . isEmpty ( ) ) ) { sessionIndexList = Collections . unmodifiableList ( sessionIndexList ) ; } } }
target:  Parses the Docuemnt Element for this object.