question: public Config ( SamlAuthorityConfiguration samlAuthorityConfig , TokenRestrictions tokenRestrictions , Collection < List < Certificate > > validCerts , long clockTolerance , Collection < IDPConfig > inExternalIdps ) { Validate . notNull ( samlAuthorityConfig ) ; Validate . notNull ( tokenRestrictions ) ; Validate . notEmpty ( validCerts ) ; List < Certificate > authorityCert = samlAuthorityConfig . getSigningCertificateChain ( ) ; boolean authorityCertInValidCerts = false ; for ( List < Certificate > currentChain : validCerts ) { Validate . notEmpty ( currentChain ) ; Validate . noNullElements ( currentChain ) ; if ( ! authorityCertInValidCerts && currentChain . equals ( authorityCert ) ) { authorityCertInValidCerts = true ; } } Validate . isTrue ( authorityCertInValidCerts , "signing certificate chain is not in valid chains." ) ; Validate . isTrue ( clockTolerance >= 0 ) ; this . samlAuthorityConfig = samlAuthorityConfig ; this . validCerts = validCerts ; this . clockTolerance = clockTolerance ; this . tokenRestrictions = tokenRestrictions ; HashMap < String , IDPConfig > idpsSet = new HashMap < String , IDPConfig > ( ) ; if ( inExternalIdps != null ) { for ( IDPConfig conf : inExternalIdps ) { if ( conf != null ) { idpsSet . put ( conf . getEntityID ( ) , conf ) ; } } } this . externalIdps = Collections . unmodifiableMap ( idpsSet ) ; }
target:  Creates a new configuration