1 //========================================================================
2 //Copyright 2011-2012 Mort Bay Consulting Pty. Ltd.
3 //------------------------------------------------------------------------
4 //All rights reserved. This program and the accompanying materials
5 //are made available under the terms of the Eclipse Public License v1.0
6 //and Apache License v2.0 which accompanies this distribution.
7 //The Eclipse Public License is available at
8 //http://www.eclipse.org/legal/epl-v10.html
9 //The Apache License v2.0 is available at
10 //http://www.opensource.org/licenses/apache2.0.php
11 //You may elect to redistribute this code under either of these licenses.
12 //========================================================================
13
14
15 package org.eclipse.jetty.spdy.http;
16
17 import java.util.Collections;
18 import java.util.Set;
19
20 import org.eclipse.jetty.spdy.api.Headers;
21 import org.eclipse.jetty.spdy.api.Stream;
22
23 /**
24 *
25 */
26 public interface PushStrategy
27 {
28 public Set<String> apply(Stream stream, Headers requestHeaders, Headers responseHeaders);
29
30 public static class None implements PushStrategy
31 {
32 @Override
33 public Set<String> apply(Stream stream, Headers requestHeaders, Headers responseHeaders)
34 {
35 return Collections.emptySet();
36 }
37 }
38 }