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Allow modifying response headers for Spring Boot and Micronaut apps (#…
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.../kvision-server-micronaut/src/jvmMain/kotlin/io/kvision/remote/HttpResponseMutatorBean.kt
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/* | ||
* Copyright (c) 2017-present Robert Jaros | ||
* | ||
* Permission is hereby granted, free of charge, to any person obtaining a copy | ||
* of this software and associated documentation files (the "Software"), to deal | ||
* in the Software without restriction, including without limitation the rights | ||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
* copies of the Software, and to permit persons to whom the Software is | ||
* furnished to do so, subject to the following conditions: | ||
* | ||
* The above copyright notice and this permission notice shall be included in all | ||
* copies or substantial portions of the Software. | ||
* | ||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
* SOFTWARE. | ||
*/ | ||
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package io.kvision.remote | ||
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import io.micronaut.context.annotation.Bean | ||
import io.micronaut.context.annotation.Factory | ||
import io.micronaut.http.MutableHttpResponse | ||
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/** | ||
* A helper class for holding http response mutator function. | ||
*/ | ||
class HttpResponseMutator { | ||
internal var responseMutator: (MutableHttpResponse<String>.() -> Unit)? = null | ||
fun mutate(responseMutator: MutableHttpResponse<String>.() -> Unit) { | ||
this.responseMutator = responseMutator | ||
} | ||
} | ||
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internal object ResponseMutatorHolder { | ||
val threadLocalResponseMutator = ThreadLocal<HttpResponseMutator>() | ||
} | ||
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/** | ||
* Helper factory for the HttpResponseMutator bean. | ||
*/ | ||
@Factory | ||
open class HttpResponseMutatorBeanFactory { | ||
@Bean | ||
open fun httpResponseMutator(): HttpResponseMutator { | ||
return ResponseMutatorHolder.threadLocalResponseMutator.get() ?: HttpResponseMutator() | ||
} | ||
} |
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