Apache HTTP Client and conditional setting of proxy

Question

I am instantiating an Apache HTTP Components HttpClient using the following code:

CloseableHttpClient httpClient = HttpClients.custom()
        .setProxy(new HttpHost(proxyServerAddress, proxyServerPort))
        .disableConnectionState()
        .disableCookieManagement()
        .build();

But I would like to set the proxy only if an property (e.g. useProxy) is set to true. I can use an if-then-else pair of blocks based on the property value, but I was wondering if there is a better way to achieve this? My goal is to externalize the control of whether or not to use a proxy, using a configuration file property or via JAVA_OPTS.

stdunbar · Accepted Answer · 2017-01-24 00:34:06Z

1

How about:

HttpClientBuilder builder = HttpClients.custom()
        .disableConnectionState()
        .disableCookieManagement();

if( useProxy )
    builder = builder.setProxy(new HttpHost(proxyServerAddress, proxyServerPort));

CloseableHttpClient httpClient = builder.build();

answered Jan 24, 2017 at 0:34

stdunbar

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