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Java implementation for Binance API
There is a newer version: 1.0.6
package com.binance.api.client;

import com.binance.api.client.impl.*;
import com.binance.api.client.config.BinanceApiConfig;
import static com.binance.api.client.impl.BinanceApiServiceGenerator.getSharedClient;

/**
 * A factory for creating BinanceApi client objects.
 */
public class BinanceApiClientFactory {

  /**
   * API Key
   */
  private String apiKey;

  /**
   * Secret.
   */
  private String secret;

  /**
   * Instantiates a new binance api client factory.
   *
   * @param apiKey the API key
   * @param secret the Secret
   */
  private BinanceApiClientFactory(String apiKey, String secret) {
    this.apiKey = apiKey;
    this.secret = secret;
    BinanceApiConfig.useTestnet = false;
    BinanceApiConfig.useTestnetStreaming = false;
  }

  /**
   * Instantiates a new binance api client factory.
   *
   * @param apiKey the API key
   * @param secret the Secret
   * @param useTestnet true if endpoint is spot test network URL; false if endpoint is production spot API URL.
   * @param useTestnetStreaming true for spot test network websocket streaming; false for no streaming.
   */
  private BinanceApiClientFactory(String apiKey, String secret, boolean useTestnet, boolean useTestnetStreaming) {
      this(apiKey, secret);
      if (useTestnet) {
        BinanceApiConfig.useTestnet = true;
        BinanceApiConfig.useTestnetStreaming = useTestnetStreaming; }
  }

  /**
   * New instance.
   *
   * @param apiKey the API key
   * @param secret the Secret
   *
   * @return the binance api client factory
   */
  public static BinanceApiClientFactory newInstance(String apiKey, String secret) {
    return new BinanceApiClientFactory(apiKey, secret);
  }

  /**
   * New instance with optional Spot Test Network endpoint.
   *
   * @param apiKey the API key
   * @param secret the Secret
   * @param useTestnet true if endpoint is spot test network URL; false if endpoint is production spot API URL.
   * @param useTestnetStreaming true for spot test network websocket streaming; false for no streaming.
   *
   * @return the binance api client factory.
   */
    public static BinanceApiClientFactory newInstance(String apiKey, String secret, boolean useTestnet, boolean useTestnetStreaming) {
      return new BinanceApiClientFactory(apiKey, secret, useTestnet, useTestnetStreaming);
  }

  /**
   * New instance without authentication.
   *
   * @return the binance api client factory
   */
  public static BinanceApiClientFactory newInstance() {
    return new BinanceApiClientFactory(null, null);
  }

  /**
   * New instance without authentication and with optional Spot Test Network endpoint.
   *
   * @param useTestnet true if endpoint is spot test network URL; false if endpoint is production spot API URL.
   * @param useTestnetStreaming true for spot test network websocket streaming; false for no streaming.
   *
   * @return the binance api client factory.
   */
  public static BinanceApiClientFactory newInstance(boolean useTestnet, boolean useTestnetStreaming) {
    return new BinanceApiClientFactory(null, null, useTestnet, useTestnetStreaming);
  }

  /**
   * Creates a new synchronous/blocking REST client.
   */
  public BinanceApiRestClient newRestClient() {
    return new BinanceApiRestClientImpl(apiKey, secret);
  }

  /**
   * Creates a new asynchronous/non-blocking REST client.
   */
  public BinanceApiAsyncRestClient newAsyncRestClient() {
    return new BinanceApiAsyncRestClientImpl(apiKey, secret);
  }

  /**
   * Creates a new asynchronous/non-blocking Margin REST client.
   */
  public BinanceApiAsyncMarginRestClient newAsyncMarginRestClient() {
    return new BinanceApiAsyncMarginRestClientImpl(apiKey, secret);
  }

  /**
   * Creates a new synchronous/blocking Margin REST client.
   */
  public BinanceApiMarginRestClient newMarginRestClient() {
    return new BinanceApiMarginRestClientImpl(apiKey, secret);
  }

  /**
   * Creates a new web socket client used for handling data streams.
   */
  public BinanceApiWebSocketClient newWebSocketClient() {
    return new BinanceApiWebSocketClientImpl(getSharedClient());
  }

  /**
   * Creates a new synchronous/blocking Swap REST client.
   */
  public BinanceApiSwapRestClient newSwapRestClient() {
    return new BinanceApiSwapRestClientImpl(apiKey, secret);
  }
}