Add empty language class

src/main/java/app/model/languages/Empty.java

@@ -0,0 +1,55 @@
+package app.model.languages;
+
+import java.net.URL;
+import java.util.regex.Pattern;
+import java.util.Map;
+
+import app.model.ProgrammingLanguage;
+
+public class Empty implements ProgrammingLanguage {
+  
+  private String name = "?";
+  private URL iconPath = this.getClass().getResource("");
+
+  public String getName() {
+    return this.name;
+  }
+
+  public URL getIcon() {
+    return this.iconPath;
+  }
+
+  public Map<Pattern, String> getPatternMap() {
+    return Map.of();
+  }
+
+  public Pattern getPattern() {
+    return Pattern.compile("");
+  }
+
+  // ----------------------------------------------------------------
+
+  public String commentLine(String line) {
+    return line;
+  }
+
+  public String unCommentLine(String line) {
+    return line;
+  }
+
+  public boolean isCommentedLine(String line) {
+    return false;
+  }
+
+  public String commentSelection(String selection) {
+    return selection;
+  }
+
+  public String unCommentSelection(String selection) {
+    return selection;
+  }
+
+  public boolean isCommentedSelection(String selection) {
+    return false;
+  }
+}