import okhttp3.OkHttpClient
import okhttp3.Request

fun main() {
  val client =
    OkHttpClient
      .Builder()
      .addInterceptor(CompressionInterceptor(Zstd))
      .build()

  sendRequest("https://developers.facebook.com/docs/", client)
  sendRequest("https://www.facebook.com/robots.txt", client)
  sendRequest("https://www.instagram.com/robots.txt", client)
}

private fun sendRequest(
  url: String,
  client: OkHttpClient,

     * response cache won't be used.
     */
    private fun hasConditions(request: Request): Boolean =
      request.header("If-Modified-Since") != null || request.header("If-None-Match") != null
  }

  companion object {
    /** Returns true if [response] can be stored to later serve another request. */
    fun isCacheable(
      response: Response,
      request: Request,
    ): Boolean {

  private val sslSocketFactoryClass: Class<in SSLSocketFactory>,
  private val paramClass: Class<*>,
) : AndroidSocketAdapter(sslSocketClass) {
  override fun matchesSocketFactory(sslSocketFactory: SSLSocketFactory): Boolean = sslSocketFactoryClass.isInstance(sslSocketFactory)

  override fun trustManager(sslSocketFactory: SSLSocketFactory): X509TrustManager? {
    val context: Any? =
      readFieldOrNull(
        sslSocketFactory,

public final class okhttp3/brotli/Brotli : okhttp3/CompressionInterceptor$DecompressionAlgorithm {
	public static final field INSTANCE Lokhttp3/brotli/Brotli;
	public fun decompress (Lokio/BufferedSource;)Lokio/Source;
	public fun getEncoding ()Ljava/lang/String;
}

public final class okhttp3/brotli/BrotliInterceptor : okhttp3/CompressionInterceptor {
	public static final field INSTANCE Lokhttp3/brotli/BrotliInterceptor;

import java.io.IOException
import okhttp3.FormBody
import okhttp3.HttpUrl.Companion.toHttpUrl
import okhttp3.OkHttpClient
import okhttp3.Request

class PostForm {
  private val client = OkHttpClient()

  fun run() {
    val formBody =
      FormBody
        .Builder()
        .add("search", "Jurassic Park")
        .build()
    val request =
      Request(

 */
package okhttp3.recipes.kt

import java.io.IOException
import okhttp3.OkHttpClient
import okhttp3.Request

class SynchronousGet {
  private val client = OkHttpClient()

  fun run() {
    val request =
      Request
        .Builder()
        .url("https://publicobject.com/helloworld.txt")
        .build()

    client.newCall(request).execute().use { response ->

package okhttp3.recipes.kt

import java.io.IOException
import java.util.concurrent.TimeUnit
import okhttp3.OkHttpClient
import okhttp3.Request

class PerCallSettings {
  private val client = OkHttpClient()

  fun run() {
    val request =
      Request
        .Builder()
        .url("http://httpbin.org/delay/1") // This URL is served with a 1 second delay.
        .build()

    // Copy to customize OkHttp for this request.

) {
  private var headerLimit = HEADER_LIMIT

  /** Read a single line counted against the header size limit. */
  fun readLine(): String {
    val line = source.readUtf8LineStrict(headerLimit)
    headerLimit -= line.length.toLong()
    return line
  }

  /** Reads headers or trailers. */
  fun readHeaders(): Headers {
    val result = Headers.Builder()
    while (true) {
      val line = readLine()

 * https://tersesystems.com/blog/2018/09/08/keymanagers-and-keystores/
 *
 * Install OpenSC separately. On a mac `brew cast install opensc`.
 */
@SuppressSignatureCheck
class YubikeyClientAuth {
  fun run() {
    // The typical PKCS11 slot, may vary with different hardware.
    val slot = 0

    val config = "--name=OpenSC\nlibrary=/Library/OpenSC/lib/opensc-pkcs11.so\nslot=$slot\n"

   * timeout. Because networks can fail during an exchange, it is possible that the remote server
   * accepted the request before the failure.
   */
  fun onFailure(
    call: Call,
    e: IOException,
  )

  /**
   * Called when the HTTP response was successfully returned by the remote server. The callback may