blob: 2c553c95ebbc7ecf3951497d1b9e45209045095d (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
//
// ========================================================================
// Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.spdy.server.http;
import java.util.Collections;
import java.util.Set;
import org.eclipse.jetty.spdy.api.Stream;
import org.eclipse.jetty.util.Fields;
/**
* <p>{@link PushStrategy} encapsulates the decisions about performing
* SPDY pushes of secondary resources associated with a primary resource.</p>
*/
public interface PushStrategy
{
/**
* <p>Applies the SPDY push logic for the primary resource.</p>
*
* @param stream the primary resource stream
* @param requestHeaders the primary resource request headers
* @param responseHeaders the primary resource response headers
* @return a list of secondary resource URIs to push
*/
public Set<String> apply(Stream stream, Fields requestHeaders, Fields responseHeaders);
/**
* An implementation that returns an empty list of secondary resources
*/
public static class None implements PushStrategy
{
@Override
public Set<String> apply(Stream stream, Fields requestHeaders, Fields responseHeaders)
{
return Collections.emptySet();
}
}
}
|