1 /*
2 * JBoss, Home of Professional Open Source.
3 * Copyright 2014 Red Hat, Inc., and individual contributors
4 * as indicated by the @author tags.
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19 package io.undertow.predicate;
20
21 import java.util.Collections;
22 import java.util.Map;
23 import java.util.Set;
24
25 import io.undertow.server.HttpServerExchange;
26 import io.undertow.util.Headers;
27
28 /**
29 * Predicate that returns true if the Content-Size of a request is above a
30 * given value.
31 *
32 * Use {@link RequestLargerThanPredicate} instead.
33 *
34 * @author Stuart Douglas
35 */
36 @Deprecated
37 public class MaxContentSizePredicate implements Predicate {
38
39 private final long maxSize;
40
41 MaxContentSizePredicate(final long maxSize) {
42 this.maxSize = maxSize;
43 }
44
45 @Override
46 public boolean resolve(final HttpServerExchange value) {
47 final String length = value.getResponseHeaders().getFirst(Headers.CONTENT_LENGTH);
48 if (length == null) {
49 return false;
50 }
51 return Long.parseLong(length) > maxSize;
52 }
53
54 public static class Builder implements PredicateBuilder {
55
56 @Override
57 public String name() {
58 return "max-content-size";
59 }
60
61 @Override
62 public Map<String, Class<?>> parameters() {
63 return Collections.<String, Class<?>>singletonMap("value", Long.class);
64 }
65
66 @Override
67 public Set<String> requiredParameters() {
68 return Collections.singleton("value");
69 }
70
71 @Override
72 public String defaultParameter() {
73 return "value";
74 }
75
76 @Override
77 public Predicate build(final Map<String, Object> config) {
78 Long max = (Long) config.get("value");
79 return new MaxContentSizePredicate(max);
80 }
81 }
82 }
83