/
ClientDefaultCodecsImpl.java
166 lines (132 loc) · 4.8 KB
/
ClientDefaultCodecsImpl.java
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
/*
* Copyright 2002-2019 the original author or authors.
*
* Licensed 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
*
* https://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.springframework.http.codec.support;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.function.Supplier;
import org.springframework.core.codec.Decoder;
import org.springframework.core.codec.Encoder;
import org.springframework.http.codec.ClientCodecConfigurer;
import org.springframework.http.codec.EncoderHttpMessageWriter;
import org.springframework.http.codec.FormHttpMessageWriter;
import org.springframework.http.codec.HttpMessageReader;
import org.springframework.http.codec.HttpMessageWriter;
import org.springframework.http.codec.ServerSentEventHttpMessageReader;
import org.springframework.http.codec.multipart.MultipartHttpMessageWriter;
import org.springframework.lang.Nullable;
/**
* Default implementation of {@link ClientCodecConfigurer.ClientDefaultCodecs}.
*
* @author Rossen Stoyanchev
*/
class ClientDefaultCodecsImpl extends BaseDefaultCodecs implements ClientCodecConfigurer.ClientDefaultCodecs {
@Nullable
private DefaultMultipartCodecs multipartCodecs;
@Nullable
private Decoder<?> sseDecoder;
@Nullable
private Supplier<List<HttpMessageWriter<?>>> partWritersSupplier;
ClientDefaultCodecsImpl() {
}
ClientDefaultCodecsImpl(ClientDefaultCodecsImpl other) {
super(other);
this.multipartCodecs = new DefaultMultipartCodecs(other.multipartCodecs);
this.sseDecoder = other.sseDecoder;
this.partWritersSupplier = other.partWritersSupplier;
}
/**
* Set a supplier for part writers to use when
* {@link #multipartCodecs()} are not explicitly configured.
* That's the same set of writers as for general except for the multipart
* writer itself.
*/
void setPartWritersSupplier(Supplier<List<HttpMessageWriter<?>>> supplier) {
this.partWritersSupplier = supplier;
}
@Override
public ClientCodecConfigurer.MultipartCodecs multipartCodecs() {
if (this.multipartCodecs == null) {
this.multipartCodecs = new DefaultMultipartCodecs();
}
return this.multipartCodecs;
}
@Override
public void serverSentEventDecoder(Decoder<?> decoder) {
this.sseDecoder = decoder;
}
@Override
public ClientDefaultCodecsImpl clone() {
ClientDefaultCodecsImpl codecs = new ClientDefaultCodecsImpl();
codecs.multipartCodecs = this.multipartCodecs;
codecs.sseDecoder = this.sseDecoder;
codecs.partWritersSupplier = this.partWritersSupplier;
return codecs;
}
@Override
protected void extendObjectReaders(List<HttpMessageReader<?>> objectReaders) {
objectReaders.add(new ServerSentEventHttpMessageReader(getSseDecoder()));
}
@Nullable
private Decoder<?> getSseDecoder() {
return (this.sseDecoder != null ? this.sseDecoder : jackson2Present ? getJackson2JsonDecoder() : null);
}
@Override
protected void extendTypedWriters(List<HttpMessageWriter<?>> typedWriters) {
FormHttpMessageWriter formWriter = new FormHttpMessageWriter();
formWriter.setEnableLoggingRequestDetails(isEnableLoggingRequestDetails());
MultipartHttpMessageWriter multipartWriter = new MultipartHttpMessageWriter(getPartWriters(), formWriter);
multipartWriter.setEnableLoggingRequestDetails(isEnableLoggingRequestDetails());
typedWriters.add(multipartWriter);
}
private List<HttpMessageWriter<?>> getPartWriters() {
if (this.multipartCodecs != null) {
return this.multipartCodecs.getWriters();
}
else if (this.partWritersSupplier != null) {
return this.partWritersSupplier.get();
}
else {
return Collections.emptyList();
}
}
/**
* Default implementation of {@link ClientCodecConfigurer.MultipartCodecs}.
*/
private static class DefaultMultipartCodecs implements ClientCodecConfigurer.MultipartCodecs {
private final List<HttpMessageWriter<?>> writers = new ArrayList<>();
DefaultMultipartCodecs() {
}
DefaultMultipartCodecs(@Nullable DefaultMultipartCodecs other) {
if (other != null) {
this.writers.addAll(other.writers);
}
}
@Override
public ClientCodecConfigurer.MultipartCodecs encoder(Encoder<?> encoder) {
writer(new EncoderHttpMessageWriter<>(encoder));
return this;
}
@Override
public ClientCodecConfigurer.MultipartCodecs writer(HttpMessageWriter<?> writer) {
this.writers.add(writer);
return this;
}
List<HttpMessageWriter<?>> getWriters() {
return this.writers;
}
}
}