"network interceptor $interceptor must call proceed() exactly once",
      )
    }
  }

  @Test
  fun networkInterceptorsCannotChangeServerAddress() {
    server.enqueue(
      MockResponse
        .Builder()
        .code(500)
        .build(),
    )
    val interceptor =
      Interceptor { chain: Interceptor.Chain ->

    val response =
      interceptor.intercept(next) ?: throw NullPointerException(
        "interceptor $interceptor returned null",
      )

    if (exchange != null) {
      check(index + 1 >= interceptors.size || next.calls == 1) {
        "network interceptor $interceptor must call proceed() exactly once"
      }
    }

    return response
  }

  /**

 * [application interceptor][OkHttpClient.interceptors] or as a [OkHttpClient.networkInterceptors].
 *
 * The format of the logs created by this class should not be considered stable and may
 * change slightly between releases. If you need a stable logging format, use your own interceptor.
 */
class HttpLoggingInterceptor
  @JvmOverloads
  constructor(
    private val logger: Logger = Logger.DEFAULT,
  ) : Interceptor {

import okhttp3.internal.stripBody
import okhttp3.internal.withSuppressed

/**
 * This interceptor recovers from failures and follows redirects as necessary. It may throw an
 * [IOException] if the call was canceled.
 */
class RetryAndFollowUpInterceptor : Interceptor {
  @Throws(IOException::class)
  override fun intercept(chain: Interceptor.Chain): Response {
    val realChain = chain as RealInterceptorChain
    var request = chain.request

import okio.Buffer
import okio.Source
import okio.Timeout
import okio.buffer

/** Serves requests from the cache and writes responses to the cache. */
class CacheInterceptor : Interceptor {
  @Throws(IOException::class)
  override fun intercept(chain: Interceptor.Chain): Response {
    val call = chain.call()
    val cache = chain.cache
    val cacheCandidate = cache?.get(chain.request().requestForCache())

Si vous souhaitez intercepter des exceptions et créer une réponse personnalisée en fonction de cela, créez un [Gestionnaire d'exceptions personnalisé](../handling-errors.md#install-custom-exception-handlers).

## Utiliser des dépendances avec `yield` et `except` { #dependencies-with-yield-and-except }

      @SuppressWarnings("unchecked")
      Map<String, String> proxy =
          Reflection.newProxy(Map.class, new CheckSetUpInvocationHandler(map, setUpRan));
      return proxy;
    }
  }

  /**
   * Intercepts calls to a {@code Map} to check that {@code setUpRan} is true when they happen. Then
   * forwards the calls to the underlying {@code Map}.
   */

      @SuppressWarnings("unchecked")
      Map<String, String> proxy =
          Reflection.newProxy(Map.class, new CheckSetUpInvocationHandler(map, setUpRan));
      return proxy;
    }
  }

  /**
   * Intercepts calls to a {@code Map} to check that {@code setUpRan} is true when they happen. Then
   * forwards the calls to the underlying {@code Map}.
   */

              onWrite()
              super.write(b, off, len)
            }
          }
      }
    }
  }

  sealed interface Override<T> {
    fun Interceptor.Chain.value(): T

    fun Interceptor.Chain.withOverride(value: T): Interceptor.Chain

    fun OkHttpClient.Builder.withOverride(value: T): OkHttpClient.Builder

    val paramName: String?
      get() = null

    val nonDefaultValue: T

    if (!fair && lock.tryLock()) {
      return true;
    }
    boolean interrupted = Thread.interrupted();
    try {
      long startTime = System.nanoTime();
      for (long remainingNanos = timeoutNanos; ; ) {
        try {
          return lock.tryLock(remainingNanos, NANOSECONDS);
        } catch (InterruptedException interrupt) {
          interrupted = true;
          remainingNanos = remainingNanos(startTime, timeoutNanos);