Run tool tasks from one entry point

- Create scanner which scans for existing tasks
- Unify options management (mostly because multiple Scanner's are a bad idea)

src/tools/permissions/PermissionsListWriter.java

@@ -3,32 +3,32 @@ package permissions;
 import utils.ANewMap;
 import utils.FileUtils;
 import utils.TagReplacer;
+import utils.TaskOption;
+import utils.ToolTask;
 import utils.ToolsConstants;
 
+import java.util.Arrays;
 import java.util.Map;
-import java.util.Scanner;
 import java.util.Set;
 
 /**
- * Class responsible for formatting a permissions node list and
+ * Task responsible for formatting a permissions node list and
  * for writing it to a file if desired.
  */
-public class PermissionsListWriter {
+public class PermissionsListWriter implements ToolTask {
 
     private static final String PERMISSIONS_OUTPUT_FILE = ToolsConstants.DOCS_FOLDER + "permission_nodes.md";
 
-    public static void main(String[] args) {
-        // Ask if result should be written to file
-        Scanner scanner = new Scanner(System.in);
-        System.out.println("Include description? [Enter 'n' for no]");
-        boolean includeDescription = !matches("n", scanner);
+    @Override
+    public String getTaskName() {
+        return "writePermissionsList";
+    }
 
-        boolean writeToFile = false;
-        if (includeDescription) {
-            System.out.println("Write to file? [Enter 'y' for yes]");
-            writeToFile = matches("y", scanner);
-        }
-        scanner.close();
+    @Override
+    public void execute(Map<String, String> options) {
+        // Ask if result should be written to file
+        boolean includeDescription = options.get("include.description").equals("y");
+        boolean writeToFile = options.get("write.to.file").equals("y");
 
         if (!includeDescription) {
             outputSimpleList();
@@ -39,6 +39,12 @@ public class PermissionsListWriter {
         }
     }
 
+    @Override
+    public Iterable<TaskOption> getOptions() {
+        return Arrays.asList(
+            new TaskOption("include.description", "Include description? [y/n]", "y", "y", "n"),
+            new TaskOption("write.to.file", "Write to file? [y/n]", "n", "y", "n"));
+    }
 
     private static void generateAndWriteFile() {
         final String permissionsTagValue = generatePermissionsList();
@@ -77,9 +83,4 @@ public class PermissionsListWriter {
         System.out.println("Total: " + nodes.size());
     }
 
-    private static boolean matches(String answer, Scanner sc) {
-        String userInput = sc.nextLine();
-        return answer.equalsIgnoreCase(userInput);
-    }
-
 }