diff --git a/jetty-core/jetty-http/src/main/java/org/eclipse/jetty/http/EmptyHttpFields.java b/jetty-core/jetty-http/src/main/java/org/eclipse/jetty/http/EmptyHttpFields.java new file mode 100644 index 000000000000..a03f028671c7 --- /dev/null +++ b/jetty-core/jetty-http/src/main/java/org/eclipse/jetty/http/EmptyHttpFields.java @@ -0,0 +1,26 @@ +// +// ======================================================================== +// Copyright (c) 1995 Mort Bay Consulting Pty Ltd and others. +// +// This program and the accompanying materials are made available under the +// terms of the Eclipse Public License v. 2.0 which is available at +// https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0 +// which is available at https://www.apache.org/licenses/LICENSE-2.0. +// +// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 +// ======================================================================== +// + +package org.eclipse.jetty.http; + +import java.util.Collections; +import java.util.ListIterator; + +class EmptyHttpFields implements HttpFields +{ + @Override + public ListIterator listIterator(int index) + { + return Collections.emptyListIterator(); + } +} diff --git a/jetty-core/jetty-http/src/main/java/org/eclipse/jetty/http/HttpFields.java b/jetty-core/jetty-http/src/main/java/org/eclipse/jetty/http/HttpFields.java index 44c6aca679b9..baf663b4b61f 100644 --- a/jetty-core/jetty-http/src/main/java/org/eclipse/jetty/http/HttpFields.java +++ b/jetty-core/jetty-http/src/main/java/org/eclipse/jetty/http/HttpFields.java @@ -64,7 +64,7 @@ public interface HttpFields extends Iterable, Supplier /** *

A constant for an immutable and empty {@link HttpFields}.

*/ - HttpFields EMPTY = build().asImmutable(); + HttpFields EMPTY = new EmptyHttpFields(); /** *

Returns an empty {@link Mutable} instance.