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
|
/*-
* ============LICENSE_START=======================================================
* 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.
* ============LICENSE_END=========================================================
*/
package com.woorea.openstack.base.client;
/*
* Modifications copyright (c) 2017 AT&T Intellectual Property
*/
import java.util.Properties;
import java.util.ServiceLoader;
public class OpenStackClient {
protected String endpoint;
protected OpenStackTokenProvider tokenProvider;
protected static int AUTHENTICATION_RETRIES = 1;
protected OpenStackClientConnector connector;
protected Properties properties = new Properties();
protected static OpenStackClientConnector DEFAULT_CONNECTOR;
static {
ServiceLoader<OpenStackClientConnector> connectorLoader;
connectorLoader = ServiceLoader.load(OpenStackClientConnector.class);
for (OpenStackClientConnector clientConnector : connectorLoader) {
DEFAULT_CONNECTOR = clientConnector;
break;
}
}
public OpenStackClient(String endpoint) {
this.endpoint = endpoint;
this.connector = DEFAULT_CONNECTOR;
}
public OpenStackClient(String endpoint, OpenStackClientConnector connector) {
this.endpoint = endpoint;
this.connector = (connector == null) ? DEFAULT_CONNECTOR : connector;
}
public <T> OpenStackResponse request(OpenStackRequest<T> request) {
OpenStackResponseException authException = null;
//System.out.println("Openstack query:"+request.toString());
for (int i = 0; i <= AUTHENTICATION_RETRIES; i++) {
request.endpoint(endpoint);
if (tokenProvider != null) {
request.header("X-Auth-Token", tokenProvider.getToken());
}
try {
return connector.request(request);
} catch (OpenStackResponseException e) {
if (e.getStatus() != OpenStackResponseStatus.NOT_AUTHORIZED
|| tokenProvider == null) {
throw e;
}
authException = e;
tokenProvider.expireToken();
}
}
if(null == authException){
authException = new OpenStackResponseException("Unknown issue",500);
}
throw authException;
}
public <T> T execute(OpenStackRequest<T> request) {
OpenStackResponse response = request(request);
return (request.returnType() != null && request.returnType() != Void.class) ? response.getEntity(request.returnType()) : null;
}
public void property(String property, String value) {
properties.put(property, value);
}
public void setTokenProvider(OpenStackTokenProvider tokenProvider) {
this.tokenProvider = tokenProvider;
}
public void token(String token) {
setTokenProvider(new OpenStackSimpleTokenProvider(token));
}
public <R> OpenStackRequest<R> get(String path, Class<R> returnType) {
return new OpenStackRequest<>(this, HttpMethod.GET, path, null, returnType);
}
}
|
