feign.AsyncResponseHandler Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of feign-core Show documentation

Feign Core

There is a newer version: 13.5

/**
 * Copyright 2012-2020 The Feign Authors
 *
 * 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 feign;

import static feign.FeignException.errorReading;
import static feign.Util.ensureClosed;
import java.io.IOException;
import java.lang.reflect.Type;
import java.util.concurrent.CompletableFuture;
import feign.Logger.Level;
import feign.codec.DecodeException;
import feign.codec.Decoder;
import feign.codec.ErrorDecoder;

/**
 * The response handler that is used to provide asynchronous support on top of standard response
 * handling
 */
@Experimental
class AsyncResponseHandler {

  private static final long MAX_RESPONSE_BUFFER_SIZE = 8192L;

  private final Level logLevel;
  private final Logger logger;

  private final Decoder decoder;
  private final ErrorDecoder errorDecoder;
  private final boolean decode404;
  private final boolean closeAfterDecode;

  AsyncResponseHandler(Level logLevel, Logger logger, Decoder decoder, ErrorDecoder errorDecoder,
      boolean decode404, boolean closeAfterDecode) {
    super();
    this.logLevel = logLevel;
    this.logger = logger;
    this.decoder = decoder;
    this.errorDecoder = errorDecoder;
    this.decode404 = decode404;
    this.closeAfterDecode = closeAfterDecode;
  }

  boolean isVoidType(Type returnType) {
    return Void.class == returnType || void.class == returnType;
  }

  void handleResponse(CompletableFuture