Implement JSON file parser

src/main/java/org/RI/P2/Parser.java

@@ -2,12 +2,19 @@ package org.RI.P2;
 
 import java.util.List;
 import java.io.IOException;
+import java.io.Reader;
+import java.io.InputStream;
+import java.io.InputStreamReader;
 import java.io.File;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.stream.Collectors;
 
+import org.json.simple.JSONArray;
+import org.json.simple.JSONValue;
+import org.json.simple.parser.ParseException;
+
 public class Parser {
     private static List<File> files;
 
@@ -16,17 +23,17 @@ public class Parser {
                 .collect(Collectors.toList());
     }
 
+    public JSONArray parseJSONFile(String filePath) throws IOException, ParseException {
+        InputStream jsonFile = getClass().getResourceAsStream(filePath);
+        Reader readerJson = new InputStreamReader(jsonFile);
+        Object fileObjects = JSONValue.parseWithException(readerJson);
+        JSONArray arrayObjects = (JSONArray) fileObjects;
+        return arrayObjects;
+    }
+
     private static void usage() {
         System.out.println("Usage: Parser <directory>");
         System.out.println("option directory: directory that contains JSON files");
         System.exit(1);
     }
-
-    public static void main(String[] args) throws IOException {
-        if (args.length != 1) {
-            usage();
-        }
-        String directory = args[0];
-        readFiles(directory);
-    }
 }