dump a string that presents json data

json_dump.java

	public static void main(String[] args) throws JSONException {
		JSONObject obj = new JSONObject(
				"{}"); //$NON-NLS-1$
		dump(0, "", obj);
	}

	private static void dump(int level, String name, Object obj) throws JSONException {
		for (int i = 0; i < level; i++)
			System.out.print("\t");
		if (obj instanceof JSONObject) {
			System.out.println("JSONObject: " + name);
			JSONObject jobj = (JSONObject) obj;
			for (Iterator iter = jobj.keys(); iter.hasNext();) {
				String key = (String) iter.next();
				Object child = jobj.get(key);
				dump(level + 1, key, child);
			}
		} else if (obj instanceof JSONArray) {
			System.out.println("JSONArray: " + name);
			JSONArray jarray = (JSONArray) obj;
			for (int i = 0; i < jarray.length(); i++) {
				dump(level + 1, "array item " + i, jarray.get(i));
			}
		} else {
			System.out.println(name + ": " + obj);
		}
	}