Implement functionality for P2

2 files changed, 51 insertions, 0 deletions

diff --git a/src/main/persistance/JsonAble.java b/src/main/persistance/JsonAble.java
new file mode 100644
index 0000000..408cb06
--- /dev/null
+++ b/src/main/persistance/JsonAble.java
@@ -0,0 +1,7 @@
+package persistance;
+
+import org.json.JSONObject;
+
+public interface JsonAble {
+    public JSONObject serialize();
+}
diff --git a/src/main/persistance/JsonUtils.java b/src/main/persistance/JsonUtils.java
new file mode 100644
index 0000000..4e11a18
--- /dev/null
+++ b/src/main/persistance/JsonUtils.java
@@ -0,0 +1,44 @@
+package persistance;
+
+import org.json.JSONArray;
+import org.json.JSONObject;
+
+import java.io.PrintWriter;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+public class JsonUtils {
+
+    /**
+     * REQUIRES: A valid filepath path, a writeable JSONObject json
+     * EFFECTS: writes a String to a file
+     */
+    public static void writeToFile(JSONArray json, String path) {
+        PrintWriter writer;
+        try {
+            writer = new PrintWriter(path);
+            writer.print(json);
+            writer.close();
+        } catch (Exception e) {
+            System.out.printf("Write to file failed with %s", e.toString());
+        }
+    }
+
+    /**
+     * REQUIRES: a path to a valid file containing JSONObject-serialized data
+     * EFFECTS: reads a serialized String into a JSONObject
+     */
+    public static JSONArray readFromFile(String path) {
+        String content;
+        JSONArray deread;
+        try {
+            content = Files.readString(Paths.get(path));
+            deread = new JSONArray(content);
+        } catch (Exception e) {
+            System.out.println("Read from file failed with %s");
+            deread = new JSONArray();
+        }
+        return deread;
+    }
+}