4 files changed, 267 insertions, 0 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/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
diff --git a/src/main/java/musichub/util/Policy.java b/src/main/java/musichub/util/Policy.java
new file mode 100644
index 0000000..01c7d20
--- /dev/null
+++ b/src/main/java/musichub/util/Policy.java
@@ -0,0 +1,76 @@
+package musichub.util;
+
+import java.io.IOException;
+import java.util.Scanner;
+
+/**
+ * Class offering methods to prompt a policy agreement form to the user.
+ *
+ * @author Anthony BOULANT
+ * @version 1.0
+ */
+
+public final class Policy {
+
+    /**
+     * Method that just throws an AssertionError if the class is called
+     *
+     * @throws AssertionError you can't instantiate this class
+     * @author Anthony BOULANT
+     */
+
+    public Policy() {
+        throw new AssertionError("You just can't instantiate this class.");
+    }
+
+    /**
+     * Method prompting the whole policy agreement process
+     *
+     * @author Anthony BOULANT
+     */
+    public static void showTerm() {
+
+        String termsAndConditions = """
+                Terms and Conditions
+                In using this website you are deemed to have read and agreed to the following terms and conditions:
+                Privacy Statement
+                We are committed to protecting your privacy. Authorized employees within the company on a need to know basis only use any information collected from individual customers. We constantly review our systems and data to ensure the best possible service to our customers. Parliament has created specific offences for unauthorised actions against computer systems and data. We will investigate any such actions with a view to prosecuting and/or taking civil proceedings to recover damages against those responsible
+                These terms and conditions form part of the Agreement between the Client and ourselves. Your accessing of this website and/or undertaking of a booking or Agreement indicates your understanding, agreement to and acceptance, of the Disclaimer Notice and the full Terms and Conditions contained herein. Your statutory Consumer Rights are unaffected.   s
+                © Company Name 2021 All Rights Reserved
+                """;
+
+        printAgreement();
+        Scanner scan = new Scanner(System.in);
+        String choice = scan.nextLine().toLowerCase();
+
+        while (!choice.equals("y")) {
+            switch (choice.charAt(0)) {
+                case 'n' -> System.exit(0);
+                case 'r' -> {
+                    System.out.println(termsAndConditions);
+                    printAgreement();
+                    choice = scan.nextLine().toLowerCase();
+                }
+                default -> {
+                    printAgreement();
+                    choice = scan.nextLine().toLowerCase();
+                }
+            }
+        }
+        try {
+            LogHandler.write("Terms accepted by the user.", "INFO");
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    /**
+     * Method printing the commands the user can use.
+     *
+     * @author Anthony BOULANT
+     */
+    private static void printAgreement() {
+        System.out.println("By using our app, do you accept our Terms and Conditions ?");
+        System.out.println("[YES : y    NO :  n    READ : r]");
+    }
+}
diff --git a/src/main/java/musichub/util/XMLHandler.java b/src/main/java/musichub/util/XMLHandler.java
new file mode 100644
index 0000000..4b61842
--- /dev/null
+++ b/src/main/java/musichub/util/XMLHandler.java
@@ -0,0 +1,74 @@
+package musichub.util;
+
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.NodeList;
+import org.xml.sax.SAXException;
+
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerException;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
+import java.io.File;
+import java.io.IOException;
+
+
+public class XMLHandler {
+    TransformerFactory transformerFactory;
+    Transformer transformer;
+    DocumentBuilderFactory documentFactory;
+    DocumentBuilder documentBuilder;
+
+    public XMLHandler() {
+        try {
+            transformerFactory = TransformerFactory.newInstance();
+            transformer = transformerFactory.newTransformer();
+            documentFactory = DocumentBuilderFactory.newInstance();
+            documentBuilder = documentFactory.newDocumentBuilder();
+        } catch (TransformerException | ParserConfigurationException tfe) {
+            tfe.printStackTrace();
+        }
+    }
+
+    public void createXMLFile(Document document, String filePath) {
+        try {
+            // create the xml file
+            //transform the DOM Object to an XML File
+            DOMSource domSource = new DOMSource(document);
+            StreamResult streamResult = new StreamResult(new File(filePath));
+
+            // If you use
+            // StreamResult result = new StreamResult(System.out);
+            // the output will be pushed to the standard output ...
+            // You can use that for debugging
+
+            transformer.transform(domSource, streamResult);
+
+        } catch (TransformerException tfe) {
+            tfe.printStackTrace();
+        }
+    }
+
+    public Document createXMLDocument() {
+        return documentBuilder.newDocument();
+    }
+
+    public NodeList parseXMLFile(String filePath) {
+        NodeList elementNodes = null;
+        try {
+            Document document = documentBuilder.parse(new File(filePath));
+            Element root = document.getDocumentElement();
+
+            elementNodes = root.getChildNodes();
+        } catch (SAXException | IOException e) {
+            e.printStackTrace();
+        }
+        return elementNodes;
+    }
+
+
+}
+\ No newline at end of file