refactored config to it's own class

src/main/java/de/steev/bm/utils/Config.java

@@ -0,0 +1,72 @@
+package de.steev.bm.utils;
+
+import de.steev.bm.BetterMinecraft;
+import de.steev.bm.utils.exceptions.ConfigEntryExceptions;
+import org.bukkit.configuration.file.FileConfiguration;
+import org.bukkit.configuration.file.YamlConfiguration;
+
+import java.io.File;
+import java.io.IOException;
+
+import static de.steev.bm.utils.Constants.playerDataFilename;
+
+public class Config {
+    private String name;
+    private File configFile;
+    private FileConfiguration fileConfiguration;
+    private BetterMinecraft plugin;
+
+    public Config(String name, BetterMinecraft plugin) {
+        this.name = name;
+        this.plugin = plugin;
+        configFile = new File(this.plugin.getDataFolder(), playerDataFilename);
+        fileConfiguration = YamlConfiguration.loadConfiguration(configFile);
+    }
+
+    public void saveConfig(String name) throws IOException {
+        try {
+            fileConfiguration.save(configFile);
+        } catch (IOException e) {
+            this.plugin.getLogger().warning("Unable to save " + playerDataFilename); // shouldn't really happen, but save
+            // throws the exception
+            throw e;
+        }
+    }
+
+    public void writeStringToConfig(String path, String value) {
+        this.fileConfiguration.set(path, value);
+    }
+
+    public String readStringFromConfig(String path) throws ConfigEntryExceptions {
+
+        if (this.fileConfiguration.get(path) == null) {
+            throw new ConfigEntryExceptions("entry at: " + path + " found null");
+        }
+
+        return this.fileConfiguration.getString(path);
+    }
+
+    public int readIntFromConfig(String path) throws ConfigEntryExceptions {
+        if (this.fileConfiguration.get(path) == null) {
+            throw new ConfigEntryExceptions("entry at: " + path + " found null");
+        }
+
+        return this.fileConfiguration.getInt(path);
+    }
+
+    public boolean readBooleanFromConfig(String path) throws ConfigEntryExceptions {
+        if (this.fileConfiguration.get(path) == null) {
+            throw new ConfigEntryExceptions("entry at: " + path + " found null");
+        }
+
+        return this.fileConfiguration.getBoolean(path);
+    }
+
+    public FileConfiguration getConfig() {
+        return this.fileConfiguration;
+    }
+
+    public String getName() {
+        return this.name;
+    }
+}

src/main/java/de/steev/bm/utils/Constants.java

@@ -0,0 +1,9 @@
+package de.steev.bm.utils;
+
+import org.bukkit.ChatColor;
+
+public class Constants {
+    public static final String prefix = ChatColor.GRAY + "[" + ChatColor.AQUA + "BetterMinecraft" + ChatColor.GRAY + "]";
+    public static final String playerDataFilename = "playerdata.yml";
+    public static final String Version = "1.2.2";
+}

src/main/java/de/steev/bm/utils/exceptions/ConfigEntryExceptions.java

@@ -0,0 +1,9 @@
+package de.steev.bm.utils.exceptions;
+
+public class ConfigEntryExceptions extends Exception {
+    public ConfigEntryExceptions() {}
+
+    public ConfigEntryExceptions(String message) {
+        super(message);
+    }
+}