public static String format(String input) {
	int tabs = 0;
	boolean quoted = false;
	StringBuilder builder = new StringBuilder(input);
	for (int index = 0; index < builder.length(); index++) {
		char c = builder.charAt(index);
		if (quoted && c != '"')
			continue;
		switch (c) {
			case '"':
				quoted = !(quoted && builder.charAt(index - 1) != '\\');
				continue;
			case ':':
				builder.insert(++index, ' ');
				continue;
			case '{':
			case '[':
				tabs++;
			case ',':
				builder.insert(index + 1, '\n');
				continue;
			case '}':
			case ']':
				tabs--;
				builder.insert(index++, '\n');
				for (int t = 0; t < tabs; t++)
					builder.insert(index++, '\t');
				continue;
			case '\n':
				for (int t = 0; t < tabs; t++)
					builder.insert(++index, '\t');
				continue;
		}
	}
	return builder.toString();
}