cleanup

Author: strehle

server/src/main/java/org/cloudfoundry/identity/uaa/authentication/PasscodeAuthenticationFilter.java

@@ -14,7 +14,6 @@
 
 package org.cloudfoundry.identity.uaa.authentication;
 
-import com.fasterxml.jackson.core.type.TypeReference;
 import org.cloudfoundry.identity.uaa.codestore.ExpiringCode;
 import org.cloudfoundry.identity.uaa.codestore.ExpiringCodeStore;
 import org.cloudfoundry.identity.uaa.constants.OriginKeys;
@@ -60,8 +59,6 @@
  */
 public class PasscodeAuthenticationFilter extends BackwardsCompatibleTokenEndpointAuthenticationFilter {
 
-    private final Logger logger = LoggerFactory.getLogger(getClass());
-
     private List<String> parameterNames = List.of();
 
     public PasscodeAuthenticationFilter(UaaUserDatabase uaaUserDatabase, AuthenticationManager authenticationManager, OAuth2RequestFactory oAuth2RequestFactory, ExpiringCodeStore expiringCodeStore) {
@@ -249,30 +246,6 @@ protected Authentication extractCredentials(HttpServletRequest request) {
         return null;
     }
 
-    private Map<String, String> getCredentials(HttpServletRequest request) {
-        Map<String, String> credentials = new HashMap<>();
-
-        for (String paramName : parameterNames) {
-            String value = request.getParameter(paramName);
-            if (value != null) {
-                if (value.startsWith("{")) {
-                    try {
-                        Map<String, String> jsonCredentials = JsonUtils.readValue(value,
-                                new TypeReference<>() {
-                                });
-                        credentials.putAll(jsonCredentials);
-                    } catch (JsonUtils.JsonUtilException e) {
-                        logger.warn("Unknown format of value for request param: {}. Ignoring.", paramName);
-                    }
-                } else {
-                    credentials.put(paramName, value);
-                }
-            }
-        }
-
-        return credentials;
-    }
-
     public void setParameterNames(List<String> parameterNames) {
         this.parameterNames = parameterNames;
     }