java(자바) json string pretty 예쁘게 출력

public final static String INDENT = " "; public static String jsonPretty(String jsonString) { final int length = jsonString.length(); StringBuilder sb = new StringBuilder(length + 200); int indentDepth = 0; for (int i = 0, len = length; i < len; i++) { String targetString = jsonString.substring(i, i + 1); if (targetString.equals("{") || targetString.equals("[")) { sb.append(targetString).append("\n"); indentDepth++; for (int j = 0; j < indentDepth; j++) { sb.append(INDENT); } } else if (targetSt...