1 files changed, 28 insertions, 1 deletions
diff --git a/jetty-websocket/websocket-api/src/main/java/org/eclipse/jetty/websocket/api/util/QuoteUtil.java b/jetty-websocket/websocket-api/src/main/java/org/eclipse/jetty/websocket/api/util/QuoteUtil.java
index 2e17cef9b3..eed6f20ed1 100644
--- a/jetty-websocket/websocket-api/src/main/java/org/eclipse/jetty/websocket/api/util/QuoteUtil.java
+++ b/jetty-websocket/websocket-api/src/main/java/org/eclipse/jetty/websocket/api/util/QuoteUtil.java
@@ -18,8 +18,8 @@
 
 package org.eclipse.jetty.websocket.api.util;
 
-import java.io.IOException;
 import java.util.Arrays;
+import java.util.Collection;
 import java.util.Iterator;
 import java.util.NoSuchElementException;
 
@@ -473,4 +473,31 @@ public class QuoteUtil
         }
         return ret.toString();
     }
+
+    public static String join(Collection<?> objs, String delim)
+    {
+        if (objs == null)
+        {
+            return "";
+        }
+        StringBuilder ret = new StringBuilder();
+        boolean needDelim = false;
+        for (Object obj : objs)
+        {
+            if (needDelim)
+            {
+                ret.append(delim);
+            }
+            if (obj instanceof String)
+            {
+                ret.append('"').append(obj).append('"');
+            }
+            else
+            {
+                ret.append(obj);
+            }
+            needDelim = true;
+        }
+        return ret.toString();
+    }
 }