Suppress stacktraces thrown when migrating worlds.yml. Fixes #700.

pom.xml

@@ -198,7 +198,7 @@
         <dependency>
             <groupId>me.main__.util</groupId>
             <artifactId>SerializationConfig</artifactId>
-            <version>1.6</version>
+            <version>1.6a</version>
             <type>jar</type>
             <scope>compile</scope>
         </dependency>

src/main/java/com/onarandombox/MultiverseCore/MultiverseCore.java

@@ -216,6 +216,8 @@ public class MultiverseCore extends JavaPlugin implements MVPlugin, Core {
         getDataFolder().mkdirs();
         // Setup our Debug Log
         debugLog = new DebugLog("Multiverse-Core", getDataFolder() + File.separator + "debug.log");
+        debugLog.setStandardLogger(LOGGER);
+        SerializationConfig.initLogging(debugLog);
         // Setup our BlockSafety
         this.blockSafety = new SimpleBlockSafety(this);
         // Setup our LocationManipulation
@@ -347,7 +349,7 @@ public class MultiverseCore extends JavaPlugin implements MVPlugin, Core {
         } finally {
             config = ((wantedConfig == null) ? new MultiverseCoreConfiguration() : wantedConfig);
         }
-
+        System.out.println(MultiverseCoreConfiguration.isSet());
         this.migrateWorldConfig();
         this.worldManager.loadWorldConfig(new File(getDataFolder(), "worlds.yml"));
 
@@ -431,7 +433,7 @@ public class MultiverseCore extends JavaPlugin implements MVPlugin, Core {
         boolean wasChanged = false;
         Map<String, Object> newValues = new LinkedHashMap<String, Object>(values.size());
         for (Map.Entry<String, Object> entry : values.entrySet()) {
-            this.log(Level.INFO, "Migrating: " + entry.getKey());
+            this.log(Level.FINE, "Migrating: " + entry.getKey());
             if (entry.getValue() instanceof MVWorld) {
                 // fine
                 newValues.put(entry.getKey(), entry.getValue());
@@ -747,13 +749,10 @@ public class MultiverseCore extends JavaPlugin implements MVPlugin, Core {
     public static void staticLog(Level level, String msg) {
         if (level == Level.FINE && MultiverseCoreConfiguration.getInstance().getGlobalDebug() >= 1) {
             staticDebugLog(Level.INFO, msg);
-            return;
         } else if (level == Level.FINER && MultiverseCoreConfiguration.getInstance().getGlobalDebug() >= 2) {
             staticDebugLog(Level.INFO, msg);
-            return;
         } else if (level == Level.FINEST && MultiverseCoreConfiguration.getInstance().getGlobalDebug() >= 3) {
             staticDebugLog(Level.INFO, msg);
-            return;
         } else if (level != Level.FINE && level != Level.FINER && level != Level.FINEST) {
             LOGGER.log(level, String.format("%s %s", LOG_TAG, msg));
             debugLog.log(level, String.format("%s %s", LOG_TAG, msg));
@@ -768,8 +767,7 @@ public class MultiverseCore extends JavaPlugin implements MVPlugin, Core {
      * @param msg The message
      */
     public static void staticDebugLog(Level level, String msg) {
-        LOGGER.log(level, "[MVCore-Debug] " + msg);
-        debugLog.log(level, "[MVCore-Debug] " + msg);
+        debugLog.log(level, msg);
     }
 
     /**

src/main/java/com/onarandombox/MultiverseCore/MultiverseCoreConfiguration.java

@@ -1,13 +1,12 @@
 package com.onarandombox.MultiverseCore;
 
-import java.util.Map;
-
 import com.onarandombox.MultiverseCore.api.MultiverseCoreConfig;
-
 import me.main__.util.SerializationConfig.NoSuchPropertyException;
 import me.main__.util.SerializationConfig.Property;
 import me.main__.util.SerializationConfig.SerializationConfig;
 
+import java.util.Map;
+
 /**
  * Our configuration.
  */
@@ -22,6 +21,13 @@ public class MultiverseCoreConfiguration extends SerializationConfig implements
         MultiverseCoreConfiguration.instance = instance;
     }
 
+    /**
+     * @return True if the static instance of config is set.
+     */
+    public static boolean isSet() {
+        return instance != null;
+    }
+
     /**
      * Gets the statically saved instance.
      * @return The statically saved instance.

src/main/java/com/onarandombox/MultiverseCore/utils/DebugLog.java

@@ -7,6 +7,8 @@
 
 package com.onarandombox.MultiverseCore.utils;
 
+import com.onarandombox.MultiverseCore.MultiverseCoreConfiguration;
+
 import java.io.IOException;
 import java.io.PrintWriter;
 import java.io.StringWriter;
@@ -26,6 +28,7 @@ import java.util.logging.Logger;
 public class DebugLog extends Logger {
 
     private FileHandler fh;
+    private Logger standardLog = null;
 
     /**
      * Creates a new debug logger.
@@ -35,7 +38,6 @@ public class DebugLog extends Logger {
      */
     public DebugLog(String logger, String file) {
         super(logger, null);
-
         try {
             this.fh = new FileHandler(file, true);
             this.setUseParentHandlers(false);
@@ -53,6 +55,30 @@ public class DebugLog extends Logger {
         }
     }
 
+    /**
+     * Specifies the logger to use to send debug messages to as the debug logger itself only sends messages to a file.
+     *
+     * @param logger Logger to send debug messages to.
+     */
+    public void setStandardLogger(Logger logger) {
+        this.standardLog = logger;
+    }
+
+    /**
+     * Log a message at a certain level.
+     *
+     * @param level The log-{@link Level}.
+     * @param msg the message.
+     */
+    public void log(Level level, String msg) {
+        if (MultiverseCoreConfiguration.isSet() && MultiverseCoreConfiguration.getInstance().getGlobalDebug() > 0) {
+            if (standardLog != null) {
+                standardLog.log(level, "[MVCore-Debug] " + msg);
+            }
+            super.log(level, "[MVCore-Debug] " + msg);
+        }
+    }
+
     /**
      * Our log-{@link Formatter}.
      */