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
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you under
* the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.http.nio;
import io.netty.handler.codec.http.FullHttpRequest;
import io.netty.handler.codec.http.HttpHeaders;
import io.netty.handler.codec.http.HttpMethod;
import org.elasticsearch.common.bytes.BytesArray;
import org.elasticsearch.common.bytes.BytesReference;
import org.elasticsearch.common.xcontent.NamedXContentRegistry;
import org.elasticsearch.rest.RestRequest;
import java.util.AbstractMap;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;
public class NioHttpRequest extends RestRequest {
private final FullHttpRequest request;
private final BytesReference content;
NioHttpRequest(NamedXContentRegistry xContentRegistry, FullHttpRequest request) {
super(xContentRegistry, request.uri(), new HttpHeadersMap(request.headers()));
this.request = request;
if (request.content().isReadable()) {
this.content = ByteBufUtils.toBytesReference(request.content());
} else {
this.content = BytesArray.EMPTY;
}
}
NioHttpRequest(NamedXContentRegistry xContentRegistry, Map<String, String> params, String uri, FullHttpRequest request) {
super(xContentRegistry, params, uri, new HttpHeadersMap(request.headers()));
this.request = request;
if (request.content().isReadable()) {
this.content = ByteBufUtils.toBytesReference(request.content());
} else {
this.content = BytesArray.EMPTY;
}
}
@Override
public Method method() {
HttpMethod httpMethod = request.method();
if (httpMethod == HttpMethod.GET)
return Method.GET;
if (httpMethod == HttpMethod.POST)
return Method.POST;
if (httpMethod == HttpMethod.PUT)
return Method.PUT;
if (httpMethod == HttpMethod.DELETE)
return Method.DELETE;
if (httpMethod == HttpMethod.HEAD) {
return Method.HEAD;
}
if (httpMethod == HttpMethod.OPTIONS) {
return Method.OPTIONS;
}
if (httpMethod == HttpMethod.PATCH) {
return Method.PATCH;
}
if (httpMethod == HttpMethod.TRACE) {
return Method.TRACE;
}
if (httpMethod == HttpMethod.CONNECT) {
return Method.CONNECT;
}
throw new IllegalArgumentException("Unexpected http method: " + httpMethod);
}
@Override
public String uri() {
return request.uri();
}
@Override
public boolean hasContent() {
return content.length() > 0;
}
@Override
public BytesReference content() {
return content;
}
public FullHttpRequest getRequest() {
return request;
}
/**
* A wrapper of {@link HttpHeaders} that implements a map to prevent copying unnecessarily. This class does not support modifications
* and due to the underlying implementation, it performs case insensitive lookups of key to values.
*
* It is important to note that this implementation does have some downsides in that each invocation of the
* {@link #values()} and {@link #entrySet()} methods will perform a copy of the values in the HttpHeaders rather than returning a
* view of the underlying values.
*/
private static class HttpHeadersMap implements Map<String, List<String>> {
private final HttpHeaders httpHeaders;
private HttpHeadersMap(HttpHeaders httpHeaders) {
this.httpHeaders = httpHeaders;
}
@Override
public int size() {
return httpHeaders.size();
}
@Override
public boolean isEmpty() {
return httpHeaders.isEmpty();
}
@Override
public boolean containsKey(Object key) {
return key instanceof String && httpHeaders.contains((String) key);
}
@Override
public boolean containsValue(Object value) {
return value instanceof List && httpHeaders.names().stream().map(httpHeaders::getAll).anyMatch(value::equals);
}
@Override
public List<String> get(Object key) {
return key instanceof String ? httpHeaders.getAll((String) key) : null;
}
@Override
public List<String> put(String key, List<String> value) {
throw new UnsupportedOperationException("modifications are not supported");
}
@Override
public List<String> remove(Object key) {
throw new UnsupportedOperationException("modifications are not supported");
}
@Override
public void putAll(Map<? extends String, ? extends List<String>> m) {
throw new UnsupportedOperationException("modifications are not supported");
}
@Override
public void clear() {
throw new UnsupportedOperationException("modifications are not supported");
}
@Override
public Set<String> keySet() {
return httpHeaders.names();
}
@Override
public Collection<List<String>> values() {
return httpHeaders.names().stream().map(k -> Collections.unmodifiableList(httpHeaders.getAll(k))).collect(Collectors.toList());
}
@Override
public Set<Entry<String, List<String>>> entrySet() {
return httpHeaders.names().stream().map(k -> new AbstractMap.SimpleImmutableEntry<>(k, httpHeaders.getAll(k)))
.collect(Collectors.toSet());
}
}
}
|
