Clean up code a bit

SaneEconomyCore/src/main/java/org/appledash/saneeconomy/SaneEconomy.java

@@ -36,7 +36,7 @@ public class SaneEconomy extends SanePlugin implements ISaneEconomy {
     private TransactionLogger transactionLogger;
     private GithubVersionChecker versionChecker;
 
-    private final Map<String, SaneCommand> COMMANDS = new HashMap<String, SaneCommand>() {
+    private final Map<String, SaneCommand> commands = new HashMap<String, SaneCommand>() {
         {
             this.put("balance", new BalanceCommand(SaneEconomy.this));
             this.put("ecoadmin", new EconomyAdminCommand(SaneEconomy.this));
@@ -184,7 +184,7 @@ public class SaneEconomy extends SanePlugin implements ISaneEconomy {
 
     private void loadCommands() {
         this.getLogger().info("Initializing commands...");
-        this.COMMANDS.forEach((name, command) -> this.getCommand(name).setExecutor(command));
+        this.commands.forEach((name, command) -> this.getCommand(name).setExecutor(command));
         this.getLogger().info("Initialized commands.");
     }
 

SaneEconomyCore/src/main/java/org/appledash/saneeconomy/economy/Currency.java

@@ -8,7 +8,6 @@ import org.bukkit.configuration.ConfigurationSection;
 import java.math.BigDecimal;
 import java.text.DecimalFormat;
 import java.text.DecimalFormatSymbols;
-import java.util.UUID;
 
 /**
  * Created by AppleDash on 6/13/2016.

SaneEconomyCore/src/main/java/org/appledash/saneeconomy/economy/backend/type/EconomyStorageBackendCaching.java

@@ -44,9 +44,9 @@ public abstract class EconomyStorageBackendCaching implements EconomyStorageBack
     public void reloadTopPlayerBalances() {
         Map<String, BigDecimal> balances = new HashMap<>();
 
-        this.balances.forEach((identifier, balance) -> {
-            balances.put(this.uuidToName.get(identifier), balance);
-        });
+        this.balances.forEach((identifier, balance) ->
+                balances.put(this.uuidToName.get(identifier), balance)
+        );
 
         this.topBalances = MapUtil.sortByValue(balances);
     }

SaneEconomyCore/src/main/java/org/appledash/saneeconomy/economy/backend/type/EconomyStorageBackendJSON.java

@@ -30,7 +30,6 @@ public class EconomyStorageBackendJSON extends EconomyStorageBackendCaching {
     }
 
     @Override
-    @SuppressWarnings("unchecked")
     public void reloadDatabase() {
         if (!this.file.exists()) {
             return;
@@ -43,9 +42,9 @@ public class EconomyStorageBackendJSON extends EconomyStorageBackendCaching {
             this.balances = new ConcurrentHashMap<>();
             this.uuidToName = new ConcurrentHashMap<>(dataHolder.uuidToName);
 
-            dataHolder.balances.forEach((s, bal) -> {
-                this.balances.put(s, new BigDecimal(bal));
-            });
+            dataHolder.balances.forEach((s, bal) ->
+                    this.balances.put(s, new BigDecimal(bal))
+            );
 
             this.saveDatabase();
         } catch (FileNotFoundException e) {
@@ -56,7 +55,7 @@ public class EconomyStorageBackendJSON extends EconomyStorageBackendCaching {
                 this.balances = new ConcurrentHashMap<>(dataHolder.balances);
                 this.uuidToName = new ConcurrentHashMap<>(dataHolder.uuidToName);
             } catch (FileNotFoundException ex) {
-                throw new RuntimeException("Failed to load database!", e);
+                throw new RuntimeException("Failed to load database!", ex);
             }
         }
     }
@@ -75,7 +74,7 @@ public class EconomyStorageBackendJSON extends EconomyStorageBackendCaching {
         }
     }
 
-    @SuppressWarnings("FieldMayBeFinal")
+    @SuppressWarnings({"FieldMayBeFinal", "CanBeFinal"})
     private static class DataHolderOld {
         @SerializedName("balances")
         private Map<String, Double> balances;

SaneEconomyCore/src/main/java/org/appledash/saneeconomy/economy/economable/EconomableConsole.java

@@ -16,7 +16,7 @@ public class EconomableConsole implements Economable {
 
     @Override
     public String getUniqueIdentifier() {
-        return "console:" + CONSOLE_UUID.toString();
+        return "console:" + CONSOLE_UUID;
     }
 
     public static boolean isConsole(Economable economable) {

SaneEconomyCore/src/main/java/org/appledash/saneeconomy/economy/economable/EconomableGeneric.java

@@ -18,6 +18,6 @@ public class EconomableGeneric implements Economable {
 
     @Override
     public String getName() {
-        return this.uniqueIdentifier.substring(16);
+        return this.uniqueIdentifier.substring(16); // FIXME: Why 16?
     }
 }

SaneEconomyCore/src/main/java/org/appledash/saneeconomy/utils/PlayerUtils.java

@@ -26,6 +26,7 @@ public final class PlayerUtils {
             return player;
         }
 
+        //noinspection ReuseOfLocalVariable
         player = Bukkit.getServer().getPlayer(playerNameOrUUID);
 
         if (player == null) {

SaneEconomyCore/src/main/java/org/appledash/saneeconomy/utils/SaneEconomyConfiguration.java

@@ -105,13 +105,15 @@ public class SaneEconomyConfiguration {
     /**
      * Convert one EconomyStorageBackend to another.
      * Right now, this just consists of converting all player balances. Data in the old backend is kept.
+     * Why is this in here?
      * @param oldBackend Old backend
      * @param newBackend New backend
      */
     private void convertBackends(EconomyStorageBackend oldBackend, EconomyStorageBackend newBackend) {
-        oldBackend.getAllBalances().forEach((uniqueId, balance) -> {
-            newBackend.setBalance(new EconomableGeneric(uniqueId), balance);
-        });
+        oldBackend.getAllBalances().forEach((uniqueId, balance) ->
+                newBackend.setBalance(new EconomableGeneric(uniqueId), balance)
+        );
+
         newBackend.waitUntilFlushed();
     }
 

SaneEconomyCore/src/main/java/org/appledash/saneeconomy/utils/WebUtils.java

@@ -31,7 +31,6 @@ public final class WebUtils {
 
             return out.toString();
         } catch (IOException e) {
-            SaneEconomy.logger().warning("Failed to get contents of URL " + url);
             throw new RuntimeException("Failed to get URL contents!", e);
         }
     }

SaneEconomyCore/src/main/java/org/appledash/saneeconomy/utils/database/MySQLConnection.java

@@ -15,6 +15,7 @@ import java.util.logging.Logger;
  */
 public class MySQLConnection {
     private static final Logger LOGGER = Logger.getLogger("MySQLConnection");
+    public static final int FIVE_SECONDS = 5000;
     private final DatabaseCredentials dbCredentials;
     private final SaneDatabase saneDatabase;
 
@@ -79,7 +80,7 @@ public class MySQLConnection {
     public void waitUntilFlushed() {
         long startTime = System.currentTimeMillis();
         while (!this.saneDatabase.areAllTransactionsDone()) {
-            if ((System.currentTimeMillis() - startTime) > 5000) {
+            if ((System.currentTimeMillis() - startTime) > FIVE_SECONDS) {
                 LOGGER.warning("Took too long to flush all transactions - something has probably hung :(");
                 break;
             }

SaneEconomyCore/src/test/java/org/appledash/saneeconomy/test/CurrencyTest.java

@@ -15,7 +15,7 @@ public class CurrencyTest {
     @Test
     public void testCurrencyFormat() {
         Currency currency = new Currency("test dollar", "test dollars", new DecimalFormat("0.00"));
-        Assert.assertEquals(currency.formatAmount(new BigDecimal(1.0D)), "1.00 test dollar");
-        Assert.assertEquals(currency.formatAmount(new BigDecimal(1337.0D)), "1337.00 test dollars");
+        Assert.assertEquals(currency.formatAmount(new BigDecimal("1.0")), "1.00 test dollar");
+        Assert.assertEquals(currency.formatAmount(new BigDecimal("1337.0")), "1337.00 test dollars");
     }
 }

SaneEconomyCore/src/test/java/org/appledash/saneeconomy/test/EconomableTest.java

@@ -19,9 +19,9 @@ public class EconomableTest {
     @Test
     public void testWrapFaction() {
         UUID uuid = UUID.randomUUID();
-        Economable economable = Economable.wrap(String.format("faction-%s", uuid.toString()));
+        Economable economable = Economable.wrap(String.format("faction-%s", uuid));
         Assert.assertEquals(economable.getClass(), EconomableFaction.class);
-        Assert.assertEquals(economable.getUniqueIdentifier(), String.format("faction:%s", uuid.toString()));
+        Assert.assertEquals(economable.getUniqueIdentifier(), String.format("faction:%s", uuid));
     }
 
     @Test

SaneEconomyCore/src/test/java/org/appledash/saneeconomy/test/EconomyManagerTest.java

@@ -45,7 +45,7 @@ public class EconomyManagerTest {
         SaneEcoAssert.assertEquals(BigDecimal.ZERO, this.economyManager.getBalance(playerOne));
         SaneEcoAssert.assertEquals(BigDecimal.ZERO, this.economyManager.getBalance(playerTwo));
 
-        this.economyManager.setBalance(playerOne, new BigDecimal(100.0));
+        this.economyManager.setBalance(playerOne, new BigDecimal("100.0"));
 
         // Now one should have an account, but two should not
         Assert.assertTrue(this.economyManager.accountExists(playerOne));
@@ -56,7 +56,7 @@ public class EconomyManagerTest {
         SaneEcoAssert.assertEquals(BigDecimal.ZERO, this.economyManager.getBalance(playerTwo));
 
         // One should be able to transfer to two
-        Assert.assertSame(this.economyManager.transact(new Transaction(this.economyManager.getCurrency(), playerOne, playerTwo, new BigDecimal(50.0), TransactionReason.PLAYER_PAY)).getStatus(), TransactionResult.Status.SUCCESS);
+        Assert.assertSame(this.economyManager.transact(new Transaction(this.economyManager.getCurrency(), playerOne, playerTwo, new BigDecimal("50.0"), TransactionReason.PLAYER_PAY)).getStatus(), TransactionResult.Status.SUCCESS);
 
         // One should now have only 50 left, two should have 50 now
         SaneEcoAssert.assertEquals("Player one should have 50 dollars", new BigDecimal("50.00"), this.economyManager.getBalance(playerOne));

SaneEconomyCore/src/test/java/org/appledash/saneeconomy/test/mock/MockServer.java

@@ -34,6 +34,7 @@ import java.util.logging.Logger;
  * Created by appledash on 7/15/17.
  * Blackjack is best pony.
  */
+@SuppressWarnings("all")
 public class MockServer implements Server {
     public static MockServer instance;
 
@@ -501,12 +502,12 @@ public class MockServer implements Server {
     }
 
     @Override
-    public CachedServerIcon loadServerIcon(File file) throws Exception {
+    public CachedServerIcon loadServerIcon(File file) {
         return null;
     }
 
     @Override
-    public CachedServerIcon loadServerIcon(BufferedImage bufferedImage) throws Exception {
+    public CachedServerIcon loadServerIcon(BufferedImage bufferedImage) {
         return null;
     }