Merge pull request searchbox-io#252 from poblish/master

Lazily instantiate SSLConnectionSocketFactory to avoid expensive call - fixes searchbox-io#251

jest/src/main/java/io/searchbox/client/config/HttpClientConfig.java

@@ -100,7 +100,7 @@ public static class Builder extends ClientConfig.AbstractBuilder<HttpClientConfi
  private Integer defaultMaxTotalConnectionPerRoute;
  private Map<HttpRoute, Integer> maxTotalConnectionPerRoute = new HashMap<HttpRoute, Integer>();
  private CredentialsProvider credentialsProvider;
- private LayeredConnectionSocketFactory sslSocketFactory = SSLConnectionSocketFactory.getSocketFactory();
+ private LayeredConnectionSocketFactory sslSocketFactory;
  private ConnectionSocketFactory plainSocketFactory = PlainConnectionSocketFactory.getSocketFactory();
  private HttpRoutePlanner httpRoutePlanner = new SystemDefaultRoutePlanner(ProxySelector.getDefault());
  private AuthenticationStrategy proxyAuthenticationStrategy;
@@ -242,6 +242,10 @@ public Builder proxy(HttpHost proxy, AuthenticationStrategy proxyAuthenticationS
  }
 
  public HttpClientConfig build() {
+ if (this.sslSocketFactory == null) {
+ // Lazily initialize if necessary, as the call can be expensive when done eagerly.
+ this.sslSocketFactory = SSLConnectionSocketFactory.getSocketFactory();
+ }
  return new HttpClientConfig(this);
  }