Adding JSONParserConfiguration for configuring the depth of nested maps

src/main/java/org/json/JSONParserConfiguration.java

@@ -0,0 +1,29 @@
+package org.json;
+
+/**
+ * Configuration object for the JSON parser. The configuration is immutable.
+ */
+public class JSONParserConfiguration extends ParserConfiguration {
+
+  /**
+   * We can override the default maximum nesting depth if needed.
+   */
+  public static final int DEFAULT_MAXIMUM_NESTING_DEPTH = ParserConfiguration.DEFAULT_MAXIMUM_NESTING_DEPTH;
+
+  /**
+   * Configuration with the default values.
+   */
+  public JSONParserConfiguration() {
+    this.maxNestingDepth = DEFAULT_MAXIMUM_NESTING_DEPTH;
+  }
+
+  public JSONParserConfiguration(int maxNestingDepth) {
+    this.maxNestingDepth = maxNestingDepth;
+  }
+
+  @Override
+  protected JSONParserConfiguration clone() {
+    return new JSONParserConfiguration(DEFAULT_MAXIMUM_NESTING_DEPTH);
+  }
+
+}