1 files changed, 40 insertions, 0 deletions

diff --git a/src/esieequest/controller/Utils.java b/src/esieequest/controller/Utils.java
new file mode 100644
index 0000000..139798c
--- /dev/null
+++ b/src/esieequest/controller/Utils.java
@@ -0,0 +1,40 @@
+package esieequest.controller;
+
+import java.util.Set;
+
+public class Utils {
+
+        /**
+         * 
+         * @param elements
+         *            the elements
+         * @param prefix
+         *            the prefix of the list
+         * @param emptyText
+         *            the text that will be returned if the Set is empty
+         * @return the list
+         */
+        public static String list(final Set<String> elements, final String prefix, final String emptyText) {
+                if (!elements.isEmpty()) {
+                        return prefix + Utils.buildListString(elements) + ".";
+                }
+                return emptyText;
+        }
+
+        /**
+         * Builds a list in the form of a String from a given Set.
+         * 
+         * @param elements
+         *            the Set of Strings
+         * 
+         * @return the list
+         */
+        private static String buildListString(final Set<String> elements) {
+                final StringBuilder list = new StringBuilder();
+                for (final String string : elements) {
+                        list.append(" ").append(string);
+                }
+                return list.toString();
+        }
+
+}