/
DefaultBlockingSkraperClient.kt
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/
DefaultBlockingSkraperClient.kt
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/*
* Copyright (c) 2019-present Mikhael Sokolov
*
* 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.
*/
@file:Suppress(
"BlockingMethodInNonBlockingContext"
)
package ru.sokomishalov.skraper.client.jdk
import kotlinx.coroutines.Dispatchers.IO
import kotlinx.coroutines.withContext
import ru.sokomishalov.skraper.client.HttpRequest
import ru.sokomishalov.skraper.client.HttpResponse
import ru.sokomishalov.skraper.client.SkraperClient
import ru.sokomishalov.skraper.internal.net.openRedirectableConnection
import java.io.File
import java.net.HttpURLConnection
import java.net.URL
import java.nio.channels.Channels
/**
* You should not use this implementation
* @author sokomishalov
*/
object DefaultBlockingSkraperClient : SkraperClient {
override suspend fun request(request: HttpRequest): HttpResponse {
return withContext(IO) {
with(request.connection()) {
HttpResponse(
status = responseCode,
headers = headerFields.mapValues { (_, v) -> v.toString() },
body = inputStream.readBytes()
)
}
}
}
override suspend fun download(request: HttpRequest, destFile: File) {
return withContext(IO) {
Channels.newChannel(request.connection().inputStream).use { rbc ->
destFile.outputStream().use { fos ->
fos.channel.transferFrom(rbc, 0, Long.MAX_VALUE)
}
}
}
}
private suspend fun HttpRequest.connection(): HttpURLConnection {
return URL(url).openRedirectableConnection(
method = method,
headers = headers,
body = body
)
}
}