1 files changed, 49 insertions, 0 deletions
diff --git a/src/main/java/musichub/util/PathValidation.java b/src/main/java/musichub/util/PathValidation.java
new file mode 100644
index 0000000..ea00c24
--- /dev/null
+++ b/src/main/java/musichub/util/PathValidation.java
@@ -0,0 +1,49 @@
+package musichub.util;
+
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+/**
+ * Class offering a path validation method.
+ *
+ * @author Aimeric ADJUTOR
+ * @version 1.0
+ */
+
+public final class PathValidation {
+
+    /**
+     * Method that just throws an AssertionError if the class is called
+     *
+     * @throws AssertionError you can't instantiate this class
+     * @author Aimeric ADJUTOR
+     */
+
+    public PathValidation() {
+        throw new AssertionError("You just can't instantiate this class.");
+    }
+
+    /**
+     * 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) & isExtensionValid);
+    }
+
+}
+\ No newline at end of file