1 //
2 // ========================================================================
3 // Copyright (c) 1995-2012 Mort Bay Consulting Pty. Ltd.
4 // ------------------------------------------------------------------------
5 // All rights reserved. This program and the accompanying materials
6 // are made available under the terms of the Eclipse Public License v1.0
7 // and Apache License v2.0 which accompanies this distribution.
8 //
9 // The Eclipse Public License is available at
10 // http://www.eclipse.org/legal/epl-v10.html
11 //
12 // The Apache License v2.0 is available at
13 // http://www.opensource.org/licenses/apache2.0.php
14 //
15 // You may elect to redistribute this code under either of these licenses.
16 // ========================================================================
17 //
18
19
20 package org.eclipse.jetty.spdy.http;
21
22 import java.util.Collections;
23 import java.util.Set;
24
25 import org.eclipse.jetty.spdy.api.Headers;
26 import org.eclipse.jetty.spdy.api.Stream;
27
28 /**
29 *
30 */
31 public interface PushStrategy
32 {
33 public Set<String> apply(Stream stream, Headers requestHeaders, Headers responseHeaders);
34
35 public static class None implements PushStrategy
36 {
37 @Override
38 public Set<String> apply(Stream stream, Headers requestHeaders, Headers responseHeaders)
39 {
40 return Collections.emptySet();
41 }
42 }
43 }