Added new Configuration classes

src/main/java/org/bukkit/configuration/file/YamlConfigurationOptions.java

@@ -0,0 +1,63 @@
+package org.bukkit.configuration.file;
+
+/**
+ * Various settings for controlling the input and output of a {@link YamlConfiguration}
+ */
+public class YamlConfigurationOptions extends FileConfigurationOptions {
+    private int indent = 2;
+    
+    protected YamlConfigurationOptions(YamlConfiguration configuration) {
+        super(configuration);
+    }
+
+    @Override
+    public YamlConfiguration configuration() {
+        return (YamlConfiguration)super.configuration();
+    }
+
+    @Override
+    public YamlConfigurationOptions copyDefaults(boolean value) {
+        super.copyDefaults(value);
+        return this;
+    }
+
+    @Override
+    public YamlConfigurationOptions pathSeparator(char value) {
+        super.pathSeparator(value);
+        return this;
+    }
+
+    @Override
+    public YamlConfigurationOptions header(String value) {
+        super.header(value);
+        return this;
+    }
+    
+    /**
+     * Gets how much spaces should be used to indent each line.
+     * <p>
+     * The minimum value this may be is 2, and the maximum is 9.
+     * 
+     * @return How much to indent by
+     */
+    public int indent() {
+        return indent;
+    }
+    
+    /**
+     * Sets how much spaces should be used to indent each line.
+     * <p>
+     * The minimum value this may be is 2, and the maximum is 9.
+     * 
+     * @param value New indent
+     * @return This object, for chaining
+     */
+    public YamlConfigurationOptions indent(int value) {
+        if ((indent < 2) || (value > 9)) {
+            throw new IllegalArgumentException("Indent must be between 1 and 10 characters");
+        }
+        
+        this.indent = value;
+        return this;
+    }
+}