Remove reported form SonarCode code smells

src/main/java/de/theit/jenkins/crowd/CrowdAuthenticationManager.java

@@ -115,7 +115,6 @@ public Authentication authenticate(Authentication authentication)
                     username, this.configuration.getAllowedGroupNames()));
         }
 
-        // String displayName = null;
         try {
             // authenticate user
             if (LOG.isLoggable(Level.FINE)) {
@@ -124,7 +123,6 @@ public Authentication authenticate(Authentication authentication)
             User user = this.configuration.authenticateUser(
                     username, password);
             CrowdAuthenticationToken.updateUserInfo(user);
-            // displayName = user.getDisplayName();
         } catch (UserNotFoundException ex) {
             if (LOG.isLoggable(Level.INFO)) {
                 LOG.info(userNotFound(username));
@@ -152,7 +150,7 @@ public Authentication authenticate(Authentication authentication)
 
         // user successfully authenticated
         // => retrieve the list of groups the user is a member of
-        List<GrantedAuthority> authorities = new ArrayList<GrantedAuthority>();
+        List<GrantedAuthority> authorities = new ArrayList<>();
 
         // add the "authenticated" authority to the list of granted
         // authorities...

src/main/java/de/theit/jenkins/crowd/CrowdAuthenticationToken.java

@@ -105,16 +105,6 @@ public String getSSOToken() {
         return this.ssoToken;
     }
 
-    /**
-     * {@inheritDoc}
-     *
-     * @see org.springframework.security.authentication.AbstractAuthenticationToken#getName()
-     */
-    @Override
-    public String getName() {
-        return super.getName();
-    }
-
     public static void updateUserInfo(com.atlassian.crowd.model.user.User user) {
         final String displayName = user == null ? null : user.getDisplayName();
         if (StringUtils.isNotBlank(displayName)) {

src/main/java/de/theit/jenkins/crowd/CrowdConfigurationService.java

@@ -221,7 +221,7 @@ public CrowdConfigurationService(String url, String applicationName, Secret pass
                 this.tokenHelper);
     }
 
-    public ArrayList<String> getAllowedGroupNames() {
+    public List<String> getAllowedGroupNames() {
         return allowedGroupNames;
     }
 

src/main/java/de/theit/jenkins/crowd/CrowdRememberMeServices.java

@@ -125,7 +125,7 @@ public Authentication autoLogin(HttpServletRequest request,
                         // user is authenticated and validated
                         // => create the user object and finalize the auto-login
                         // process
-                        List<GrantedAuthority> authorities = new ArrayList<GrantedAuthority>();
+                        List<GrantedAuthority> authorities = new ArrayList<>();
                         authorities.add(SecurityRealm.AUTHENTICATED_AUTHORITY2);
                         authorities.addAll(this.configuration.getAuthoritiesForUser(user.getName()));
                         result = new CrowdAuthenticationToken(user.getName(), null, authorities, ssoToken);

src/main/java/de/theit/jenkins/crowd/CrowdSecurityRealm.java

@@ -147,7 +147,7 @@ public class CrowdSecurityRealm extends AbstractPasswordBasedSecurityRealm {
      * The configuration data necessary for accessing the services on the remote
      * Crowd server.
      */
-    transient private CrowdConfigurationService configuration;
+    private transient CrowdConfigurationService configuration;
 
     /**
      * Default constructor. Fields in config.jelly must match the parameter
@@ -326,7 +326,7 @@ private void initializeConfiguration() {
     /**
      * {@inheritDoc}
      *
-     * @see hudson.security.SecurityRealm#createSecurityComponents()
+     * @see hudson.security.AbstractPasswordBasedSecurityRealm#createSecurityComponents()
      */
     @Override
     public SecurityComponents createSecurityComponents() {
@@ -390,6 +390,7 @@ public Filter createFilter(FilterConfig filterConfig) {
     /**
      * {@inheritDoc}
      *
+     * @deprecated use {@link #loadUserByUsername2}
      * @see hudson.security.AbstractPasswordBasedSecurityRealm#loadUserByUsername(java.lang.String)
      */
     @Override
@@ -400,10 +401,15 @@ public org.acegisecurity.userdetails.UserDetails loadUserByUsername(String usern
         return getSecurityComponents().userDetails.loadUserByUsername(username);
     }
 
+    // TODO: Implement missing loadGroupByGroupname2
     /**
+     * {@inheritDoc}
+     *
      * @deprecated use {@link #loadGroupByGroupname2}
      * @since 1.549
+     * @see hudson.security.SecurityRealm#loadGroupByGroupname(java.lang.String)
      */
+    @Override
     @Deprecated
     public GroupDetails loadGroupByGroupname(String groupname, boolean fetchMembers) throws org.acegisecurity.userdetails.UsernameNotFoundException, org.springframework.dao.DataAccessException {
         try {
@@ -426,7 +432,8 @@ public UserDetails loadUserByUsername2(String username) throws UsernameNotFoundE
     /**
      * {@inheritDoc}
      *
-     * @see hudson.security.SecurityRealm#loadGroupByGroupname(java.lang.String)
+     * @deprecated use {@link #loadGroupByGroupname2}
+     * @see hudson.security.AbstractPasswordBasedSecurityRealm#loadGroupByGroupname(java.lang.String)
      */
     @Override
     @Deprecated
@@ -466,8 +473,7 @@ public String getName() {
     /**
      * {@inheritDoc}
      *
-     * @see hudson.security.AbstractPasswordBasedSecurityRealm#authenticate2(java.lang.String,
-     *      java.lang.String)
+     * @see hudson.security.AbstractPasswordBasedSecurityRealm#authenticate2(java.lang.String, java.lang.String)
      *
      */
     @Override
@@ -516,7 +522,7 @@ protected UserDetails authenticate2(String pUsername, String pPassword)
         }
 
         // create the list of granted authorities
-        List<GrantedAuthority> authorities = new ArrayList<GrantedAuthority>();
+        List<GrantedAuthority> authorities = new ArrayList<>();
         // add the "authenticated" authority to the list of granted
         // authorities...
         authorities.add(SecurityRealm.AUTHENTICATED_AUTHORITY2);
@@ -672,7 +678,6 @@ public FormValidation doTestConnection(@QueryParameter String url, @QueryParamet
                 @QueryParameter String httpProxyPassword, @QueryParameter String socketTimeout,
                 @QueryParameter String httpTimeout, @QueryParameter String httpMaxConnections) {
 
-            // Logger log = Logger.getLogger(getClass().getName());
             Jenkins.get().checkPermission(Jenkins.ADMINISTER);
             CrowdConfigurationService tConfiguration = new CrowdConfigurationService(
                     url, applicationName, Secret.fromString(password), sessionValidationInterval,

src/main/java/de/theit/jenkins/crowd/CrowdUserDetailsService.java

@@ -115,7 +115,7 @@ public UserDetails loadUserByUsername(String username)
         }
 
         // create the list of granted authorities
-        List<GrantedAuthority> authorities = new ArrayList<GrantedAuthority>();
+        List<GrantedAuthority> authorities = new ArrayList<>();
         // add the "authenticated" authority to the list of granted
         // authorities...
         authorities.add(SecurityRealm.AUTHENTICATED_AUTHORITY2);

src/main/java/de/theit/jenkins/crowd/ErrorMessages.java

@@ -25,7 +25,7 @@
  */
 package de.theit.jenkins.crowd;
 
-import java.util.ArrayList;
+import java.util.List;
 
 import org.jvnet.localizer.ResourceBundleHolder;
 
@@ -38,7 +38,7 @@
  */
 public class ErrorMessages {
     /** Contains the localized messages. */
-    private final static ResourceBundleHolder holder = ResourceBundleHolder.get(ErrorMessages.class);
+    private static final ResourceBundleHolder holder = ResourceBundleHolder.get(ErrorMessages.class);
 
     /**
      * Returns the localized error message when no URL is specified.
@@ -202,7 +202,7 @@ public static String applicationAccessDenied(String username) {
      * @return The localized error message when a user does not have the
      *         permission to login.
      */
-    public static String userNotValid(String username, ArrayList<String> groupNames) {
+    public static String userNotValid(String username, List<String> groupNames) {
         return holder.format("userNotValid", username, groupNames.toString());
     }
 }