#605 Logger - name methods after their log level

- Remove separate print stacktrace method
- Log level into the log similar to console output

src/main/java/fr/xephi/authme/util/BukkitService.java

@@ -190,7 +190,7 @@ public class BukkitService {
                 return Arrays.asList((Player[]) obj);
             } else {
                 String type = (obj == null) ? "null" : obj.getClass().getName();
-                ConsoleLogger.showError("Unknown list of online players of type " + type);
+                ConsoleLogger.warning("Unknown list of online players of type " + type);
             }
         } catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {
             ConsoleLogger.logException("Could not retrieve list of online players:", e);
@@ -230,7 +230,7 @@ public class BukkitService {
             Method method = Bukkit.class.getDeclaredMethod("getOnlinePlayers");
             return method.getReturnType() == Collection.class;
         } catch (NoSuchMethodException e) {
-            ConsoleLogger.showError("Error verifying if getOnlinePlayers is a collection! Method doesn't exist");
+            ConsoleLogger.warning("Error verifying if getOnlinePlayers is a collection! Method doesn't exist");
         }
         return false;
     }

src/main/java/fr/xephi/authme/util/FileUtils.java

@@ -30,7 +30,7 @@ public class FileUtils {
         if (destinationFile.exists()) {
             return true;
         } else if (!destinationFile.getParentFile().exists() && !destinationFile.getParentFile().mkdirs()) {
-            ConsoleLogger.showError("Cannot create parent directories for '" + destinationFile + "'");
+            ConsoleLogger.warning("Cannot create parent directories for '" + destinationFile + "'");
             return false;
         }
 
@@ -38,7 +38,7 @@ public class FileUtils {
         final String normalizedPath = resourcePath.replace("\\", "/");
         try (InputStream is = AuthMe.class.getClassLoader().getResourceAsStream(normalizedPath)) {
             if (is == null) {
-                ConsoleLogger.showError(format("Cannot copy resource '%s' to file '%s': cannot load resource",
+                ConsoleLogger.warning(format("Cannot copy resource '%s' to file '%s': cannot load resource",
                     resourcePath, destinationFile.getPath()));
             } else {
                 Files.copy(is, destinationFile.toPath());

src/main/java/fr/xephi/authme/util/GeoLiteAPI.java

@@ -65,7 +65,7 @@ public class GeoLiteAPI {
                 }
             } else {
                 if (!dataFile.delete()) {
-                    ConsoleLogger.showError("Failed to delete GeoLiteAPI database");
+                    ConsoleLogger.warning("Failed to delete GeoLiteAPI database");
                 }
             }
         }

src/main/java/fr/xephi/authme/util/MigrationService.java

@@ -34,14 +34,14 @@ public final class MigrationService {
     public static void changePlainTextToSha256(NewSetting settings, DataSource dataSource,
                                                SHA256 authmeSha256) {
         if (HashAlgorithm.PLAINTEXT == settings.getProperty(SecuritySettings.PASSWORD_HASH)) {
-            ConsoleLogger.showError("Your HashAlgorithm has been detected as plaintext and is now deprecated;"
+            ConsoleLogger.warning("Your HashAlgorithm has been detected as plaintext and is now deprecated;"
                 + " it will be changed and hashed now to the AuthMe default hashing method");
-            ConsoleLogger.showError("Don't stop your server; wait for the conversion to have been completed!");
+            ConsoleLogger.warning("Don't stop your server; wait for the conversion to have been completed!");
             List<PlayerAuth> allAuths = dataSource.getAllAuths();
             for (PlayerAuth auth : allAuths) {
                 String hash = auth.getPassword().getHash();
                 if (hash.startsWith("$SHA$")) {
-                    ConsoleLogger.showError("Skipping conversion for " + auth.getNickname() + "; detected SHA hash");
+                    ConsoleLogger.warning("Skipping conversion for " + auth.getNickname() + "; detected SHA hash");
                 } else {
                     HashedPassword hashedPassword = authmeSha256.computeHash(hash, auth.getNickname());
                     auth.setPassword(hashedPassword);
@@ -63,7 +63,7 @@ public final class MigrationService {
      */
     public static DataSource convertFlatfileToSqlite(NewSetting settings, DataSource dataSource) {
         if (DataSourceType.FILE == settings.getProperty(DatabaseSettings.BACKEND)) {
-            ConsoleLogger.showError("FlatFile backend has been detected and is now deprecated; it will be changed "
+            ConsoleLogger.warning("FlatFile backend has been detected and is now deprecated; it will be changed "
                 + "to SQLite... Connection will be impossible until conversion is done!");
             FlatFile flatFile = (FlatFile) dataSource;
             try {

src/main/java/fr/xephi/authme/util/Utils.java

@@ -51,7 +51,7 @@ public final class Utils {
         try {
             return Pattern.compile(pattern);
         } catch (Exception e) {
-            ConsoleLogger.showError("Failed to compile pattern '" + pattern + "' - defaulting to allowing everything");
+            ConsoleLogger.warning("Failed to compile pattern '" + pattern + "' - defaulting to allowing everything");
             return Pattern.compile(".*?");
         }
     }