Added .clear(), .delete() and .exists() to YamlConfig

Author: JeromSar

buildnumber.properties

@@ -1,3 +1,3 @@
 #maven.buildNumber.plugin properties file
-#Wed Apr 09 22:46:14 CEST 2014
-buildNumber=104
+#Sun May 11 21:36:29 CEST 2014
+buildNumber=105

src/main/java/net/pravian/bukkitlib/config/YamlConfig.java

@@ -82,6 +82,15 @@ public YamlConfig(Plugin plugin, File file, boolean copyDefaults) {
         this.COPY_DEFAULTS = copyDefaults;
     }
 
+    /**
+     * Verifies if the config file exists.
+     *
+     * @return True if the config exists.
+     */
+    public boolean exists() {
+        return CONFIG_FILE.exists();
+    }
+
     /**
      * @see #set(java.lang.String, java.lang.Object)
      */
@@ -389,21 +398,6 @@ public <K, V> Map<K, V> getMap(String path) {
         return keyMap;
     }
 
-    /**
-     * Saves the configuration to the predefined file.
-     *
-     * @see #YamlConfig(Plugin, String, boolean)
-     */
-    @Override
-    public void save() {
-        try {
-            super.save(CONFIG_FILE);
-        } catch (Exception ex) {
-            InternalExceptionHandler.handle(PLUGIN, "Could not save configuration file: " + CONFIG_FILE.getName());
-            InternalExceptionHandler.handle(PLUGIN, ex);
-        }
-    }
-
     /**
      * Loads the configuration from the predefined file.
      *
@@ -415,7 +409,7 @@ public void save() {
     public void load() {
         try {
             if (COPY_DEFAULTS) {
-                if (!CONFIG_FILE.exists()) {
+                if (!exists()) {
                     CONFIG_FILE.getParentFile().mkdirs();
                     try {
                         FileUtils.copy(PLUGIN.getResource(CONFIG_FILE.getName()), CONFIG_FILE);
@@ -436,6 +430,39 @@ public void load() {
         }
     }
 
+    /**
+     * Saves the configuration to the predefined file.
+     *
+     * @see #YamlConfig(Plugin, String, boolean)
+     */
+    @Override
+    public void save() {
+        try {
+            super.save(CONFIG_FILE);
+        } catch (Exception ex) {
+            InternalExceptionHandler.handle(PLUGIN, "Could not save configuration file: " + CONFIG_FILE.getName());
+            InternalExceptionHandler.handle(PLUGIN, ex);
+        }
+    }
+
+    /**
+     * Deletes all the values in the config.
+     */
+    public void clear() {
+        for (String key : super.getKeys(false)) {
+            super.set(key, null);
+        }
+    }
+
+    /**
+     * Deletes the config if it exists.
+     */
+    public void delete() {
+        if (exists()) {
+            CONFIG_FILE.delete();
+        }
+    }
+
     /**
      * Returns the raw YamlConfiguration this config is based on.
      *