src/java.base/share/classes/sun/security/ssl/CertificateMessage.java

rev 52979 : 8215281: Use String.isEmpty() when applicable in java.base
Reviewed-by: TBD

*** 438,448 ****
              if (chc.reservedServerCerts != null &&
                      !chc.handshakeSession.useExtendedMasterSecret) {
                  // It is not necessary to check the certificate update if
                  // endpoint identification is enabled.
                  String identityAlg = chc.sslConfig.identificationProtocol;
!                 if ((identityAlg == null || identityAlg.length() == 0) &&
                          !isIdentityEquivalent(x509Certs[0],
                                  chc.reservedServerCerts[0])) {
                      chc.conContext.fatal(Alert.BAD_CERTIFICATE,
                              "server certificate change is restricted " +
                              "during renegotiation");
--- 438,448 ----
              if (chc.reservedServerCerts != null &&
                      !chc.handshakeSession.useExtendedMasterSecret) {
                  // It is not necessary to check the certificate update if
                  // endpoint identification is enabled.
                  String identityAlg = chc.sslConfig.identificationProtocol;
!                 if ((identityAlg == null || identityAlg.isEmpty()) &&
                          !isIdentityEquivalent(x509Certs[0],
                                  chc.reservedServerCerts[0])) {
                      chc.conContext.fatal(Alert.BAD_CERTIFICATE,
                              "server certificate change is restricted " +
                              "during renegotiation");