Makes a new utility class containing methods related to output

src/main/java/net/knarcraft/ffmpegconverter/utility/OutputUtil.java

@@ -0,0 +1,75 @@
+package net.knarcraft.ffmpegconverter.utility;
+
+import java.io.BufferedWriter;
+import java.io.IOException;
+import java.io.OutputStreamWriter;
+
+/**
+ * A class which helps with outputting information
+ */
+public final class OutputUtil {
+    private static boolean debug;
+    private static final BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(System.out));
+
+    private OutputUtil() {
+    }
+
+    /**
+     * Sets whether to show debug messages
+     * @param debug <p>The debug message to show.</p>
+     */
+    public static void setDebug(boolean debug) {
+        OutputUtil.debug = debug;
+    }
+
+    /**
+     * Prints something and a newline to the commandline efficiently
+     * @param input <p>The text to print.</p>
+     * @throws IOException <p>If a write is not possible.</p>
+     */
+    public static void println(String input) throws IOException {
+        if (!input.equals("")) {
+            writer.write(input);
+        }
+        println();
+    }
+
+    /**
+     * Prints a string
+     * @param input <p>The string to print.</p>
+     * @throws IOException <p>If the writer fails to write.</p>
+     */
+    public static void print(String input) throws IOException {
+        writer.write(input);
+        writer.flush();
+    }
+
+
+    /**
+     * Prints a newline
+     * @throws IOException <p>If a write is not possible.</p>
+     */
+    public static void println() throws IOException {
+        writer.newLine();
+        writer.flush();
+    }
+
+    /**
+     * Closes the writer
+     * @throws IOException <p>If the writer cannot be closed.</p>
+     */
+    public static void close() throws IOException {
+        writer.close();
+    }
+
+    /**
+     * Prints a message if debug messages should be shown
+     * @param message <p>The debug message to show.</p>
+     * @throws IOException <p>If a write is not possible.</p>
+     */
+    public static void printDebug(String message) throws IOException {
+        if (debug) {
+            print(message);
+        }
+    }
+}