forked from OpenFeign/feign
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathTarget.java
More file actions
111 lines (96 loc) · 3.29 KB
/
Target.java
File metadata and controls
111 lines (96 loc) · 3.29 KB
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
8000
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
/*
* Copyright 2013 Netflix, Inc.
*
* 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
*
* 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 feign;
import java.util.Arrays;
import static feign.Util.checkNotNull;
import static feign.Util.emptyToNull;
/**
* <br><br><b>relationship to JAXRS 2.0</b><br>
* <br>
* Similar to {@code javax.ws.rs.client.WebTarget}, as it produces requests.
* However, {@link RequestTemplate} is a closer match to {@code WebTarget}.
*
* @param <T> type of the interface this target applies to.
*/
public interface Target<T> {
/* The type of the interface this target applies to. ex. {@code Route53}. */
Class<T> type();
/* configuration key associated with this target. For example, {@code route53}. */
String name();
/* base HTTP URL of the target. For example, {@code https://api/v2}. */
String url();
/**
* Targets a template to this target, adding the {@link #url() base url} and
* any authentication headers.
* <br>
* <br>
* For example:
* <br>
* <pre>
* public Request apply(RequestTemplate input) {
* input.insert(0, url());
* input.replaceHeader("X-Auth", currentToken);
* return input.asRequest();
* }
* </pre>
* <br>
* <br><br><b>relationship to JAXRS 2.0</b><br>
* <br>
* This call is similar to {@code javax.ws.rs.client.WebTarget.request()},
* except that we expect transient, but necessary decoration to be applied
* on invocation.
*/
public Request apply(RequestTemplate input);
public static class HardCodedTarget<T> implements Target<T> {
private final Class<T> type;
private final String name;
private final String url;
public HardCodedTarget(Class<T> type, String url) {
this(type, url, url);
}
public HardCodedTarget(Class<T> type, String name, String url) {
this.type = checkNotNull(type, "type");
this.name = checkNotNull(emptyToNull(name), "name");
this.url = checkNotNull(emptyToNull(url), "url");
}
@Override public Class<T> type() {
return type;
}
@Override public String name() {
return name;
}
@Override public String url() {
return url;
}
/* no authentication or other special activity. just insert the url. */
@Override public Request apply(RequestTemplate input) {
if (input.url().indexOf("http") != 0)
input.insert(0, url());
return input.request();
}
@Override public int hashCode() {
return Arrays.hashCode(new Object[]{type, name, url});
}
@Override public boolean equals(Object obj) {
if (this == obj)
return true;
if (HardCodedTarget.class != obj.getClass())
return false;
HardCodedTarget<?> that = HardCodedTarget.class.cast(obj);
return this.type.equals(that.type) && this.name.equals(that.name) && this.url.equals(that.url);
}
}
}