Мельников ПрИ-201

task01/src/com/example/task01/Task01Main.java

@@ -1,20 +1,43 @@
 package com.example.task01;
 
+import java.io.BufferedReader;
 import java.io.File;
 import java.io.IOException;
+import java.io.InputStreamReader;
 
 public class Task01Main {
     public static void main(String[] args) throws IOException, InterruptedException {
-        //здесь вы можете вручную протестировать ваше решение, вызывая реализуемый метод и смотря результат
-        // например вот так:
-
-        /*
         System.out.println(extractSoundName(new File("task01/src/main/resources/3727.mp3")));
-        */
     }
 
     public static String extractSoundName(File file) throws IOException, InterruptedException {
-        // your implementation here
-        return "sound name";
+        String ffProbePath = "C:\\Users\\User\\Desktop\\ffmpeg-2024-11-28-git-bc991ca048-full_build\\bin\\ffprobe.exe";
+
+        ProcessBuilder processBuilder = new ProcessBuilder(ffProbePath, "-v", "error", "-of", "flat", "-show_format", file.getAbsolutePath());
+        processBuilder.redirectErrorStream(true);
+        Process process = processBuilder.start();
+
+        return parseTitle(readProcessOutput(process));
+    }
+
+    private static String readProcessOutput(Process process) throws IOException {
+        String output = "";
+        try (BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()))) {
+            String line;
+            while ((line = reader.readLine()) != null) {
+                output += line + "\n";
+            }
+        }
+        return output;
+    }
+
+    private static String parseTitle(String output) {
+        String titlePrefix = "format.tags.title=";
+        for (String line : output.split("\n")) {
+            if (line.contains(titlePrefix)) {
+                return line.substring(line.indexOf(titlePrefix) + titlePrefix.length()).replace("\"", "").trim();
+            }
+        }
+        return "Название не найдено";
     }
 }

task02/src/com/example/task02/Task02Main.java

@@ -1,8 +1,10 @@
 package com.example.task02;
 
 import java.io.IOException;
+import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.List;
+import java.util.stream.Collectors;
 
 public class Task02Main {
     public static void main(String[] args) throws IOException, InterruptedException {
@@ -15,9 +17,7 @@ public static void main(String[] args) throws IOException, InterruptedException
 
     }
 
-    public static List<Path> listFiles(Path rootDir) throws IOException, InterruptedException {
-        // your implementation here
-
-        return null;
+    public static List<Path> listFiles(Path rootDir) throws IOException {
+        return Files.walk(rootDir).filter(path -> path.toFile().isFile()).collect(Collectors.toList());
     }
 }

task03/src/com/example/task03/SampleData.java

@@ -2,8 +2,9 @@
 
 import java.util.Date;
 import java.util.Objects;
+import java.io.Serializable;
 
-public class SampleData {
+public class SampleData implements Serializable {
     static final long serialVersionUID = 132706691457162967L;
 
     String name;

task03/src/com/example/task03/Task03Main.java

@@ -1,7 +1,10 @@
 package com.example.task03;
 
+import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.ObjectInputStream;
+import java.nio.file.Files;
 
 public class Task03Main {
     public static void main(String[] args) throws IOException, ClassNotFoundException {
@@ -15,7 +18,10 @@ public static void main(String[] args) throws IOException, ClassNotFoundExceptio
     }
 
     public static SampleData deserialize(InputStream inputStream) throws IOException, ClassNotFoundException {
-        // your implementation here
-        return null;
+
+        try (ObjectInputStream obj = new ObjectInputStream(inputStream)){
+            SampleData res = (SampleData) obj.readObject();
+            return res;
+        }
     }
 }