net.mograsim.logic.ui/src/net/mograsim/logic/ui/util/JsonHandler.java

   1 package net.mograsim.logic.ui.util;
   2
   3 import java.io.BufferedReader;
   4 import java.io.FileReader;
   5 import java.io.FileWriter;
   6 import java.io.IOException;
   7
   8 import com.google.gson.Gson;
   9 import com.google.gson.GsonBuilder;
  10
  11 public class JsonHandler
  12 {
  13         private static Gson parser = new GsonBuilder().setPrettyPrinting().create();
  14
  15         public static <T> T readJson(String path, Class<T> type) throws IOException
  16         {
  17                 try (FileReader reader = new FileReader(path); BufferedReader bf = new BufferedReader(reader))
  18                 {
  19                         String json = bf.lines().dropWhile(s -> s.length() == 0 || s.charAt(0) != '{').reduce("", (x, y) -> x.concat(y));
  20                         T params = parser.fromJson(json, type);
  21                         return params;
  22                 }
  23         }
  24
  25         public static void writeJson(Object o, String path) throws IOException
  26         {
  27                 try (FileWriter writer = new FileWriter(path))
  28                 {
  29                         writer.write(String.format("mograsim version: %s\n", Version.jsonCompVersion.toString()));
  30                         writer.write(parser.toJson(o));
  31                 }
  32         }
  33 }