2 files changed, 81 insertions, 3 deletions

diff --git a/src/main/java/musichub/util/LogHandler.java b/src/main/java/musichub/util/LogHandler.java
new file mode 100644
index 0000000..988b149
--- /dev/null
+++ b/src/main/java/musichub/util/LogHandler.java
@@ -0,0 +1,68 @@
+package musichub.util;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.StandardOpenOption;
+import java.sql.Timestamp;
+
+/**
+ * Class offering a log writing method.
+ *
+ * @author Aimeric ADJUTOR
+ * @version 1.0
+ */
+
+public final class LogHandler {
+
+    /**
+     * Method that just throws an AssertionError if the class is called
+     *
+     * @throws AssertionError you can't instantiate this class
+     * @author Aimeric ADJUTOR
+     */
+
+    public LogHandler() {
+        throw new AssertionError("You just can't instantiate this class.");
+    }
+
+    /**
+     * Method that writes a log message to spoteezer.log
+     *
+     * @param msg  the message to write
+     * @param type the type of log
+     * @throws IOException if the file's not there
+     */
+    public static void write(String msg, String type) throws IOException {
+
+        Timestamp timestamp = new Timestamp(System.currentTimeMillis());
+
+        //Create the log using the given message
+        String logMsg = "\n[" + timestamp + "] " + type + ": " + msg;
+
+        // Define the file name of the file
+        Path fileName = Path.of("log/spoteezer.log");
+
+        // Write into the file
+        Files.writeString(fileName, logMsg, StandardOpenOption.APPEND);
+
+
+    }
+
+    /**
+     * Method that prints the content of spoteezer.log
+     *
+     * @throws IOException if the file's not there
+     */
+    public static void read() throws IOException {
+        Path fileName = Path.of("log/spoteezer.log");
+
+        // Read the content of the file
+        String file_content = Files.readString(fileName);
+
+        // Print the content inside the file
+        System.out.println("\n" + file_content + "\n");
+
+    }
+
+}
\ No newline at end of file
diff --git a/src/main/java/musichub/business/PathValidation.java b/src/main/java/musichub/util/PathValidation.java
index b0281ba..ea00c24 100644
--- a/src/main/java/musichub/business/PathValidation.java
+++ b/src/main/java/musichub/util/PathValidation.java
@@ -1,4 +1,4 @@
-package musichub.business;
+package musichub.util;
 
 import java.nio.file.Files;
 import java.nio.file.Path;
@@ -25,15 +25,25 @@ public final class PathValidation {
     }
 
     /**
-     * Method that checks the validity of a given path
+     * Method that checks the validity of a given path and file.
      *
      * @param inputPath the path given by the user
      * @return a boolean
      */
 
     public static boolean isPathValid(String inputPath) {
+        boolean isExtensionValid = false;
+
+        int index = inputPath.lastIndexOf('.');
+        if (index > 0) {
+            String extension = inputPath.substring(index + 1);
+            if (extension.equals("wav")) {
+                isExtensionValid = true;
+            }
+        }
+
         Path path = Paths.get(inputPath);
-        return Files.exists(path);
+        return (Files.exists(path) & isExtensionValid);
     }
 
 }
\ No newline at end of file