Add logger name checkstyle

Signed-off-by: Andrew DeMaria <lostonamountain@gmail.com>

airsonic-main/src/main/java/org/airsonic/player/controller/HelpController.java

@@ -50,7 +50,7 @@ import java.util.Map;
 @RequestMapping("/help")
 public class HelpController {
 
-    private static final Logger logger = LoggerFactory.getLogger(HelpController.class);
+    private static final Logger LOG = LoggerFactory.getLogger(HelpController.class);
 
     private static final int LOG_LINES_TO_SHOW = 50;
 
@@ -109,7 +109,7 @@ public class HelpController {
             }
             return lines;
         } catch (Exception e) {
-            logger.warn("Could not open log file " + logFile, e);
+            LOG.warn("Could not open log file " + logFile, e);
             return null;
         }
     }

airsonic-main/src/main/java/org/airsonic/player/dao/MediaFileDao.java

@@ -42,7 +42,7 @@ import java.util.*;
  */
 @Repository
 public class MediaFileDao extends AbstractDao {
-    private static final Logger logger = LoggerFactory.getLogger(MediaFileDao.class);
+    private static final Logger LOG = LoggerFactory.getLogger(MediaFileDao.class);
     private static final String INSERT_COLUMNS = "path, folder, type, format, title, album, artist, album_artist, disc_number, " +
                                                 "track_number, year, genre, bit_rate, variable_bit_rate, duration_seconds, file_size, width, height, cover_art_path, " +
                                                 "parent_path, play_count, last_played, comment, created, changed, last_scanned, children_last_updated, present, " +
@@ -133,7 +133,7 @@ public class MediaFileDao extends AbstractDao {
      */
     @Transactional
     public void createOrUpdateMediaFile(MediaFile file) {
-        logger.trace("Creating/Updating new media file at {}", file.getPath());
+        LOG.trace("Creating/Updating new media file at {}", file.getPath());
         String sql = "update media_file set " +
                      "folder=?," +
                      "type=?," +
@@ -165,7 +165,7 @@ public class MediaFileDao extends AbstractDao {
                      "mb_release_id=? " +
                      "where path=?";
 
-        logger.trace("Updating media file {}", Util.debugObject(file));
+        LOG.trace("Updating media file {}", Util.debugObject(file));
 
         int n = update(sql,
                        file.getFolder(), file.getMediaType().name(), file.getFormat(), file.getTitle(), file.getAlbumName(), file.getArtist(),

airsonic-main/src/main/java/org/airsonic/player/security/CustomUserDetailsContextMapper.java

@@ -40,7 +40,7 @@ public class CustomUserDetailsContextMapper implements UserDetailsContextMapper
     // ~ Instance fields
     // ================================================================================================
 
-    private final Logger logger = LoggerFactory.getLogger(CustomUserDetailsContextMapper.class);
+    private static final Logger LOG = LoggerFactory.getLogger(CustomUserDetailsContextMapper.class);
     private String passwordAttributeName = "userPassword";
 
     @Autowired
@@ -56,7 +56,7 @@ public class CustomUserDetailsContextMapper implements UserDetailsContextMapper
                                           Collection<? extends GrantedAuthority> authorities) {
         String dn = ctx.getNameInNamespace();
 
-        logger.debug("Mapping user details from context with DN: " + dn);
+        LOG.debug("Mapping user details from context with DN: " + dn);
 
         // User must be defined in Airsonic, unless auto-shadowing is enabled.
         User user = securityService.getUserByName(username, false);
@@ -69,7 +69,7 @@ public class CustomUserDetailsContextMapper implements UserDetailsContextMapper
             newUser.setStreamRole(true);
             newUser.setSettingsRole(true);
             securityService.createUser(newUser);
-            logger.info("Created local user '" + username + "' for DN " + dn);
+            LOG.info("Created local user '" + username + "' for DN " + dn);
             user = securityService.getUserByName(username, false);
         }
 

airsonic-main/src/main/java/org/airsonic/player/security/GlobalSecurityConfig.java

@@ -29,7 +29,7 @@ import java.security.SecureRandom;
 @EnableGlobalMethodSecurity(securedEnabled = true, prePostEnabled = true)
 public class GlobalSecurityConfig extends GlobalAuthenticationConfigurerAdapter {
 
-    private static Logger logger = LoggerFactory.getLogger(GlobalSecurityConfig.class);
+    private static final Logger LOG = LoggerFactory.getLogger(GlobalSecurityConfig.class);
 
     static final String FAILURE_URL = "/login?error=1";
 
@@ -65,7 +65,7 @@ public class GlobalSecurityConfig extends GlobalAuthenticationConfigurerAdapter
         auth.userDetailsService(securityService);
         String jwtKey = settingsService.getJWTKey();
         if (StringUtils.isBlank(jwtKey)) {
-            logger.warn("Generating new jwt key");
+            LOG.warn("Generating new jwt key");
             jwtKey = JWTSecurityService.generateKey();
             settingsService.setJWTKey(jwtKey);
             settingsService.save();
@@ -142,15 +142,15 @@ public class GlobalSecurityConfig extends GlobalAuthenticationConfigurerAdapter
             boolean development = SettingsService.isDevelopmentMode();
             if (StringUtils.isBlank(rememberMeKey) && !development) {
                 // ...if it is empty, generate a random key on startup (default).
-                logger.debug("Generating a new ephemeral 'remember me' key in a secure way.");
+                LOG.debug("Generating a new ephemeral 'remember me' key in a secure way.");
                 rememberMeKey = generateRememberMeKey();
             } else if (StringUtils.isBlank(rememberMeKey) && development) {
                 // ...if we are in development mode, we can use a fixed key.
-                logger.warn("Using a fixed 'remember me' key because we're in development mode, this is INSECURE.");
+                LOG.warn("Using a fixed 'remember me' key because we're in development mode, this is INSECURE.");
                 rememberMeKey = DEVELOPMENT_REMEMBER_ME_KEY;
             } else {
                 // ...otherwise, use the custom key directly.
-                logger.info("Using a fixed 'remember me' key from system properties, this is insecure.");
+                LOG.info("Using a fixed 'remember me' key from system properties, this is insecure.");
             }
 
             http

airsonic-main/src/main/java/org/airsonic/player/security/JWTAuthenticationProvider.java

@@ -23,7 +23,7 @@ import java.util.Objects;
 
 public class JWTAuthenticationProvider implements AuthenticationProvider {
 
-    private static final Logger logger = LoggerFactory.getLogger(JWTAuthenticationProvider.class);
+    private static final Logger LOG = LoggerFactory.getLogger(JWTAuthenticationProvider.class);
 
     private final String jwtKey;
 
@@ -35,7 +35,7 @@ public class JWTAuthenticationProvider implements AuthenticationProvider {
     public Authentication authenticate(Authentication auth) throws AuthenticationException {
         JWTAuthenticationToken authentication = (JWTAuthenticationToken) auth;
         if (authentication.getCredentials() == null || !(authentication.getCredentials() instanceof String)) {
-            logger.error("Credentials not present");
+            LOG.error("Credentials not present");
             return null;
         }
         String rawToken = (String) auth.getCredentials();
@@ -45,7 +45,7 @@ public class JWTAuthenticationProvider implements AuthenticationProvider {
 
         // TODO:AD This is super unfortunate, but not sure there is a better way when using JSP
         if (StringUtils.contains(authentication.getRequestedPath(), "/WEB-INF/jsp/")) {
-            logger.warn("BYPASSING AUTH FOR WEB-INF page");
+            LOG.warn("BYPASSING AUTH FOR WEB-INF page");
         } else if (!roughlyEqual(path.asString(), authentication.getRequestedPath())) {
             throw new InsufficientAuthenticationException("Credentials not valid for path " + authentication
                     .getRequestedPath() + ". They are valid for " + path.asString());
@@ -58,9 +58,9 @@ public class JWTAuthenticationProvider implements AuthenticationProvider {
     }
 
     private static boolean roughlyEqual(String expectedRaw, String requestedPathRaw) {
-        logger.debug("Comparing expected [{}] vs requested [{}]", expectedRaw, requestedPathRaw);
+        LOG.debug("Comparing expected [{}] vs requested [{}]", expectedRaw, requestedPathRaw);
         if (StringUtils.isEmpty(expectedRaw)) {
-            logger.debug("False: empty expected");
+            LOG.debug("False: empty expected");
             return false;
         }
         try {
@@ -68,7 +68,7 @@ public class JWTAuthenticationProvider implements AuthenticationProvider {
             UriComponents requested = UriComponentsBuilder.fromUriString(requestedPathRaw).build();
 
             if (!Objects.equals(expected.getPath(), requested.getPath())) {
-                logger.debug("False: expected path [{}] does not match requested path [{}]",
+                LOG.debug("False: expected path [{}] does not match requested path [{}]",
                         expected.getPath(), requested.getPath());
                 return false;
             }
@@ -80,12 +80,12 @@ public class JWTAuthenticationProvider implements AuthenticationProvider {
                     !difference.entriesOnlyOnLeft().isEmpty() ||
                     difference.entriesOnlyOnRight().size() != 1 ||
                     difference.entriesOnlyOnRight().get(JWTSecurityService.JWT_PARAM_NAME) == null) {
-                logger.debug("False: expected query params [{}] do not match requested query params [{}]", expected.getQueryParams(), requested.getQueryParams());
+                LOG.debug("False: expected query params [{}] do not match requested query params [{}]", expected.getQueryParams(), requested.getQueryParams());
                 return false;
             }
 
         } catch (Exception e) {
-            logger.warn("Exception encountered while comparing paths", e);
+            LOG.warn("Exception encountered while comparing paths", e);
             return false;
         }
         return true;

airsonic-main/src/main/java/org/airsonic/player/security/JWTRequestParameterProcessingFilter.java

@@ -22,7 +22,7 @@ import java.io.IOException;
 import java.util.Optional;
 
 public class JWTRequestParameterProcessingFilter implements Filter {
-    private static final Logger logger = LoggerFactory.getLogger(JWTRequestParameterProcessingFilter.class);
+    private static final Logger LOG = LoggerFactory.getLogger(JWTRequestParameterProcessingFilter.class);
     private final AuthenticationManager authenticationManager;
     private final AuthenticationFailureHandler failureHandler;
 
@@ -63,8 +63,8 @@ public class JWTRequestParameterProcessingFilter implements Filter {
             return;
         }
 
-        if (logger.isDebugEnabled()) {
+        if (LOG.isDebugEnabled()) {
-            logger.debug("Request is to process authentication");
+            LOG.debug("Request is to process authentication");
         }
 
         Authentication authResult;
@@ -78,7 +78,7 @@ public class JWTRequestParameterProcessingFilter implements Filter {
             }
         }
         catch (InternalAuthenticationServiceException failed) {
-            logger.error(
+            LOG.error(
                     "An internal error occurred while trying to authenticate the user.",
                     failed);
             unsuccessfulAuthentication(request, response, failed);
@@ -92,8 +92,8 @@ public class JWTRequestParameterProcessingFilter implements Filter {
             return;
         }
 
-        if (logger.isDebugEnabled()) {
+        if (LOG.isDebugEnabled()) {
-            logger.debug("Authentication success. Updating SecurityContextHolder to contain: "
+            LOG.debug("Authentication success. Updating SecurityContextHolder to contain: "
                     + authResult);
         }
 
@@ -107,10 +107,10 @@ public class JWTRequestParameterProcessingFilter implements Filter {
             throws IOException, ServletException {
         SecurityContextHolder.clearContext();
 
-        if (logger.isDebugEnabled()) {
+        if (LOG.isDebugEnabled()) {
-            logger.debug("Authentication request failed: " + failed.toString(), failed);
+            LOG.debug("Authentication request failed: " + failed.toString(), failed);
-            logger.debug("Updated SecurityContextHolder to contain null Authentication");
+            LOG.debug("Updated SecurityContextHolder to contain null Authentication");
-            logger.debug("Delegating to authentication failure handler " + failureHandler);
+            LOG.debug("Delegating to authentication failure handler " + failureHandler);
         }
 
         failureHandler.onAuthenticationFailure(request, response, failed);

airsonic-main/src/main/java/org/airsonic/player/service/JWTSecurityService.java

@@ -19,7 +19,7 @@ import java.util.Date;
 
 @Service("jwtSecurityService")
 public class JWTSecurityService {
-    private static final Logger logger = LoggerFactory.getLogger(JWTSecurityService.class);
+    private static final Logger LOG = LoggerFactory.getLogger(JWTSecurityService.class);
 
     public static final String JWT_PARAM_NAME = "jwt";
     public static final String CLAIM_PATH = "path";
@@ -47,7 +47,7 @@ public class JWTSecurityService {
         UriComponents components = UriComponentsBuilder.fromUriString(path).build();
         String query = components.getQuery();
         String claim = components.getPath() + (!StringUtils.isBlank(query) ? "?" + components.getQuery() : "");
-        logger.debug("Creating token with claim " + claim);
+        LOG.debug("Creating token with claim " + claim);
         return JWT.create()
                 .withClaim(CLAIM_PATH, claim)
                 .withExpiresAt(expireDate)

airsonic-main/src/main/java/org/airsonic/player/service/upnp/DispatchingContentDirectory.java

@@ -44,7 +44,7 @@ import java.util.Arrays;
 @Service
 public class DispatchingContentDirectory extends CustomContentDirectory {
 
-    public static final Logger LOG = LoggerFactory.getLogger(DispatchingContentDirectory.class);
+    private static final Logger LOG = LoggerFactory.getLogger(DispatchingContentDirectory.class);
 
     public static final String CONTAINER_ID_ROOT = "0";
     public static final String CONTAINER_ID_PLAYLIST_PREFIX = "playlist";

airsonic-main/src/main/java/org/airsonic/player/spring/RegisterPrecompiledJSPInitializer.java

@@ -24,14 +24,14 @@ import java.nio.charset.Charset;
 @Component
 public class RegisterPrecompiledJSPInitializer implements ServletContextInitializer {
 
-    private static final Logger logger = LoggerFactory.getLogger(RegisterPrecompiledJSPInitializer.class);
+    private static final Logger LOG = LoggerFactory.getLogger(RegisterPrecompiledJSPInitializer.class);
 
     @Override
     public void onStartup(ServletContext servletContext) {
         if (SettingsService.isDevelopmentMode()) {
-            logger.debug("Not registering precompiled jsps");
+            LOG.debug("Not registering precompiled jsps");
         } else {
-            logger.debug("Registering precompiled jsps");
+            LOG.debug("Registering precompiled jsps");
             registerPrecompiledJSPs(servletContext);
         }
     }
@@ -39,14 +39,14 @@ public class RegisterPrecompiledJSPInitializer implements ServletContextInitiali
     private static void registerPrecompiledJSPs(ServletContext servletContext) {
         WebApp webApp = parseXmlFragment();
         for (ServletDef def :  webApp.getServletDefs()) {
-            logger.trace("Registering precompiled JSP: {} -> {}", def.getName(), def.getSclass());
+            LOG.trace("Registering precompiled JSP: {} -> {}", def.getName(), def.getSclass());
             ServletRegistration.Dynamic reg = servletContext.addServlet(def.getName(), def.getSclass());
             // Need to set loadOnStartup somewhere between 0 and 128. 0 is highest priority. 99 should be fine
             reg.setLoadOnStartup(99);
         }
 
         for (ServletMappingDef mapping : webApp.getServletMappingDefs()) {
-            logger.trace("Mapping servlet: {} -> {}", mapping.getName(), mapping.getUrlPattern());
+            LOG.trace("Mapping servlet: {} -> {}", mapping.getName(), mapping.getUrlPattern());
             servletContext.getServletRegistration(mapping.getName()).addMapping(mapping.getUrlPattern());
         }
     }

airsonic-main/src/main/java/org/airsonic/player/spring/SpringLiquibase.java

@@ -16,20 +16,20 @@ import java.sql.Connection;
 import java.util.List;
 
 public class SpringLiquibase extends liquibase.integration.spring.SpringLiquibase {
-    private static final Logger logger = LoggerFactory.getLogger(SpringLiquibase.class);
+    private static final Logger LOG = LoggerFactory.getLogger(SpringLiquibase.class);
 
     @Override
     public void afterPropertiesSet() throws LiquibaseException {
-        logger.trace("Starting Liquibase Update");
+        LOG.trace("Starting Liquibase Update");
         try {
             super.afterPropertiesSet();
         } catch (Exception e) {
-            logger.error("===============================================");
+            LOG.error("===============================================");
-            logger.error("An exception occurred during database migration");
+            LOG.error("An exception occurred during database migration");
-            logger.error("A rollback file has been generated at " + rollbackFile);
+            LOG.error("A rollback file has been generated at " + rollbackFile);
-            logger.error("Execute it within your database to rollback any changes");
+            LOG.error("Execute it within your database to rollback any changes");
-            logger.error("The exception is as follows\n", e);
+            LOG.error("The exception is as follows\n", e);
-            logger.error("===============================================");
+            LOG.error("===============================================");
             throw(e);
         }
     }

checkstyle.xml

@@ -64,6 +64,7 @@
             <property name="allowEmptyMethods" value="true"/>
             <property name="allowEmptyTypes" value="true"/>
         </module>
+        <module name="org.airsonic.checkstyle.LoggerNameCheck"/>
     </module>
 
     <module name="UniqueProperties"/>

pom.xml

@@ -255,6 +255,13 @@
                             </goals>
                         </execution>
                     </executions>
+                    <dependencies>
+                        <dependency>
+                            <groupId>org.airsonic</groupId>
+                            <artifactId>checkstyle</artifactId>
+                            <version>1.0-RELEASE</version>
+                        </dependency>
+                    </dependencies>
                 </plugin>
                 <plugin>
                     <groupId>org.owasp</groupId>