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ibiz4jteam
ibzwf
提交
95cd2be3
提交
95cd2be3
编写于
5月 08, 2020
作者:
ibizdev
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1 个修改的文件
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165 行增加
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+165
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RemoteService.java
.../src/main/java/cn/ibizlab/util/service/RemoteService.java
+165
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未找到文件。
ibzwf-util/src/main/java/cn/ibizlab/util/service/RemoteService.java
0 → 100644
浏览文件 @
95cd2be3
package
cn
.
ibizlab
.
util
.
service
;
import
com.alibaba.fastjson.JSON
;
import
com.alibaba.fastjson.JSONObject
;
import
com.alibaba.fastjson.serializer.SerializerFeature
;
import
com.alibaba.fastjson.support.config.FastJsonConfig
;
import
com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter
;
import
com.alibaba.fastjson.support.springfox.SwaggerJsonSerializer
;
import
feign.*
;
import
feign.codec.Decoder
;
import
org.springframework.beans.factory.ObjectFactory
;
import
org.springframework.beans.factory.annotation.Autowired
;
import
org.springframework.boot.autoconfigure.http.HttpMessageConverters
;
import
org.springframework.cloud.openfeign.FeignContext
;
import
org.springframework.cloud.openfeign.support.SpringDecoder
;
import
org.springframework.context.annotation.Configuration
;
import
org.springframework.http.MediaType
;
import
org.springframework.stereotype.Service
;
import
org.springframework.web.bind.annotation.*
;
import
org.springframework.web.context.request.RequestContextHolder
;
import
org.springframework.web.context.request.ServletRequestAttributes
;
import
javax.servlet.http.HttpServletRequest
;
import
java.util.ArrayList
;
import
java.util.List
;
import
java.util.Map
;
import
java.util.Objects
;
import
java.util.concurrent.ConcurrentHashMap
;
/**
* 自定义feigen客户端配置
*
* @author
*/
@Service
public
class
RemoteService
{
/**
* FeignClientFactoryBean 该工厂类中 设置builder属性时就是通过该对象,源码中可看到
*/
@Autowired
protected
FeignContext
feignContext
;
/**
* FeignClient 默认LoadBalancerFeignClient
*/
@Autowired
private
Client
feignClient
;
private
static
final
Map
<
String
,
Object
>
FEIGN_CLIENTS
=
new
ConcurrentHashMap
<>();
/**
* 定义远程通用接口
*/
public
interface
RemoteFeignClient
{
@RequestMapping
(
method
=
RequestMethod
.
POST
,
value
=
"/{path}"
)
JSONObject
post
(
@PathVariable
(
"path"
)
String
path
,
@RequestHeader
(
"Authorization"
)
String
token
,
@RequestBody
Map
param
);
@RequestMapping
(
method
=
RequestMethod
.
GET
,
value
=
"/{path}"
)
JSONObject
request
(
@PathVariable
(
"path"
)
String
path
,
@RequestHeader
(
"Authorization"
)
String
token
,
Map
param
);
@RequestMapping
(
method
=
RequestMethod
.
GET
,
value
=
"/{path}"
)
JSONObject
get
(
@PathVariable
(
"path"
)
String
path
,
@RequestHeader
(
"Authorization"
)
String
token
);
@RequestMapping
(
method
=
RequestMethod
.
PUT
,
value
=
"/{path}"
)
JSONObject
put
(
@PathVariable
(
"path"
)
String
path
,
@RequestHeader
(
"Authorization"
)
String
token
,
@RequestBody
Map
param
);
@RequestMapping
(
method
=
RequestMethod
.
DELETE
,
value
=
"/{path}"
)
JSONObject
delete
(
@PathVariable
(
"path"
)
String
path
,
@RequestHeader
(
"Authorization"
)
String
token
);
}
/**
* @param serverId
* @return
*/
public
RemoteFeignClient
getClient
(
String
serverId
)
{
return
this
.
create
(
RemoteFeignClient
.
class
,
serverId
);
}
/**
* 设置编码解码器为FastJson
*
* @param clazz
* @param serviceId
* @param <T>
* @return
*/
private
<
T
>
T
create
(
Class
<
T
>
clazz
,
String
serviceId
)
{
Object
object
=
FEIGN_CLIENTS
.
get
(
serviceId
);
if
(
Objects
.
isNull
(
object
))
{
object
=
Feign
.
builder
()
//decoder指定对象解码方式
.
decoder
(
this
.
feignDecoder
())
.
client
(
feignClient
)
//options方法指定连接超时时长及响应超时时长
.
options
(
new
Request
.
Options
(
5000
,
5000
))
//retryer方法指定重试策略
//.retryer(new Retryer.Default(5000, 5000, 3))
.
contract
(
feignContext
.
getInstance
(
serviceId
,
Contract
.
class
))
//target方法绑定接口与服务端地址。返回类型为绑定的接口类型。
.
target
(
clazz
,
"http://"
+
serviceId
);
FEIGN_CLIENTS
.
put
(
serviceId
,
object
);
}
return
(
T
)
object
;
}
private
Decoder
feignDecoder
()
{
return
new
SpringDecoder
(
feignHttpMessageConverter
());
}
/**
* 设置解码器为fastjson
*
* @return
*/
private
ObjectFactory
<
HttpMessageConverters
>
feignHttpMessageConverter
()
{
final
HttpMessageConverters
httpMessageConverters
=
new
HttpMessageConverters
(
this
.
getFastJsonConverter
());
return
()
->
httpMessageConverters
;
}
private
FastJsonHttpMessageConverter
getFastJsonConverter
()
{
FastJsonHttpMessageConverter
converter
=
new
FastJsonHttpMessageConverter
();
List
<
MediaType
>
supportedMediaTypes
=
new
ArrayList
<>();
MediaType
mediaTypeJson
=
MediaType
.
valueOf
(
MediaType
.
APPLICATION_JSON_UTF8_VALUE
);
supportedMediaTypes
.
add
(
mediaTypeJson
);
converter
.
setSupportedMediaTypes
(
supportedMediaTypes
);
FastJsonConfig
config
=
new
FastJsonConfig
();
config
.
getSerializeConfig
().
put
(
JSON
.
class
,
new
SwaggerJsonSerializer
());
config
.
setSerializerFeatures
(
SerializerFeature
.
DisableCircularReferenceDetect
);
converter
.
setFastJsonConfig
(
config
);
return
converter
;
}
@Configuration
public
class
FeignTokenInterceptor
implements
RequestInterceptor
{
@Override
public
void
apply
(
RequestTemplate
template
)
{
HttpServletRequest
request
=
getServletRequest
();
if
(
null
==
request
){
return
;
}
template
.
header
(
"uid"
,
getHeaders
(
request
));
}
private
HttpServletRequest
getServletRequest
()
{
return
((
ServletRequestAttributes
)
RequestContextHolder
.
getRequestAttributes
()).
getRequest
();
}
private
String
getHeaders
(
HttpServletRequest
request
){
return
request
.
getHeader
(
"uid"
);
}
}
}
\ No newline at end of file
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