lab5: finish all tasks

labs/5/lab5lib/Fetcher.java

@@ -1,56 +1,52 @@
+/*
+ * %W% %E% Dymik739
+ * Email: dymik739@109.86.70.81
+ *
+ * Copyright (C) 2023 FIOT Dev Team
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package lab5lib;
 
-//import java.net.URL;
-//import java.io.BufferedInputStream;
 import java.util.Scanner;
 import java.lang.Exception;
-//import javax.json.JsonObject;
 
+/**
+ * Class used as a connector for fetching content from Internet to provide
+ * the application with random text at every startup.
+ *
+ * @since 0.2
+ * @author Dymik739
+ */
 public class Fetcher {
-    //public void main() {}
-    
-    /*
-    private static String fetchString(String remote_url) {
-        try {
-            Scanner reader = new Scanner(new URL(remote_url).openStream(), "UTF-8");
-            String jsonString = "";
-            
-            if (reader.hasNextLine()) {
-                jsonString = reader.nextLine();
-            }
-
-            return jsonString;
-        } catch (Exception e) {
-            System.out.println("[ERROR] Failed to fetch resource from " + remote_url + " due to the following exception: " + e);
-            System.exit(1);
-        }
-    }
-    */
-    
     /**
      * Allows to fetch unique strings directly from the search engine
      * 
      * @since 0.2
      *
+     * @return String received from the server
      * @throws Exception in case if the server fails to provide the content
      */
     public static String fetchTextFromPython() throws Exception {
         try {
-            Process contentFetcher = Runtime.getRuntime().exec("python3 lab3lib/fetchContent.py");
+            Process contentFetcher = Runtime.getRuntime()
+                    .exec("python3 lab5lib/fetchContent.py");
             Scanner reader = new Scanner(contentFetcher.getInputStream());
             return new String(reader.nextLine());
         } catch (Exception e) {
             throw new Exception("Failed to fetch content from the server");
         }
     }
-
-    /*
-    public StringBuilder fetchText(String request) {
-        String responce = fetchString("http://10.1.1.2:8080/search?language=en-US&format=json&q=" + request);
-        JSONObject results = new JSONObject(responce);
-        return results.get("results").get(0).get("content");
-    }
-    */
 }
-
-//JSONObject results = 'http://10.1.1.2:8080/search?q=test&language=en-US&format=json'