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Interceptor.kt
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Interceptor.kt
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/*
* Copyright (C) 2014 Square, 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 okhttp3
import java.io.IOException
import java.util.concurrent.TimeUnit
/**
* Observes, modifies, and potentially short-circuits requests going out and the corresponding
* responses coming back in. Typically interceptors add, remove, or transform headers on the request
* or response.
*/
fun interface Interceptor {
@Throws(IOException::class)
fun intercept(chain: Chain): Response
companion object {
/**
* Constructs an interceptor for a lambda. This compact syntax is most useful for inline
* interceptors.
*
* ```
* val interceptor = Interceptor { chain: Interceptor.Chain ->
* chain.proceed(chain.request())
* }
* ```
*/
inline operator fun invoke(crossinline block: (chain: Chain) -> Response): Interceptor =
Interceptor { block(it) }
}
interface Chain {
fun request(): Request
@Throws(IOException::class)
fun proceed(request: Request): Response
/**
* Returns the connection the request will be executed on. This is only available in the chains
* of network interceptors; for application interceptors this is always null.
*/
fun connection(): Connection?
fun call(): Call
fun connectTimeoutMillis(): Int
fun withConnectTimeout(timeout: Int, unit: TimeUnit): Chain
fun readTimeoutMillis(): Int
fun withReadTimeout(timeout: Int, unit: TimeUnit): Chain
fun writeTimeoutMillis(): Int
fun withWriteTimeout(timeout: Int, unit: TimeUnit): Chain
}
}