-package net.mograsim.logic.model.util;
-
-import java.io.BufferedReader;
-import java.io.FileInputStream;
-import java.io.FileWriter;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.nio.charset.StandardCharsets;
-import java.util.stream.Collectors;
-
-import com.google.gson.Gson;
-import com.google.gson.GsonBuilder;
-import com.google.gson.JsonElement;
-
-public class JsonHandler
-{
- public final static Gson parser = new GsonBuilder().setPrettyPrinting().create();
-
- public static <T> T readJson(String path, Class<T> type) throws IOException
- {
- try (FileInputStream jsonStream = new FileInputStream(path))
- {
- return readJson(jsonStream, type);
- }
- }
-
- /**
- * @param input The Stream is closed after being read
- */
- public static <T> T readJson(InputStream input, Class<T> type) throws IOException
- {
- try (InputStreamReader reader = new InputStreamReader(input, StandardCharsets.UTF_8);
- BufferedReader bf = new BufferedReader(reader))
- {
- return fromJson(bf.lines().collect(Collectors.joining("\n")), type);
- }
- }
-
- public static <T> T fromJson(String src, Class<T> type)
- {
- // throw away legacy version line
- String rawJson = src.lines().dropWhile(s -> s.length() == 0 || s.charAt(0) != '{').collect(Collectors.joining());
- return parser.fromJson(rawJson, type);
- }
-
- public static <T> T fromJsonTree(JsonElement src, Class<T> type)
- {
- return parser.fromJson(src, type);
- }
-
- public static void writeJson(Object o, String path) throws IOException
- {
- try (FileWriter writer = new FileWriter(path))
- {
- writer.write(toJson(o));
- }
- }
-
- public static String toJson(Object o)
- {
- return parser.toJson(o);
- }
-
- public static JsonElement toJsonTree(Object o)
- {
- return parser.toJsonTree(o);
- }
-}
\ No newline at end of file