binding network interface to Apache httpclient


I am using Apache HttpClient on a machine which has two network cards. I can not find how I can bind HttpClient to use one of the NICs only. I have found some solutions but they are all depreciated now. I am using Apache HttpClient 4.5.2

Are there any examples that use GET/POST requests while using NIC binding?


Arya , you will have to get the list of network interfaces and use the RequestBuilder interfaces to get this accomplished. The following will give you a rough cut idea.

<pre class="lang-java prettyprint-override">import java.net.InetAddress; import java.net.NetworkInterface; import java.util.Enumeration; import org.apache.http.client.config.RequestConfig; import org.apache.http.client.methods.CloseableHttpResponse; import org.apache.http.client.methods.HttpGet; import org.apache.http.impl.client.CloseableHttpClient; import org.apache.http.impl.client.HttpClients; public static void main(String[] args) throws Exception { //Enumeration<NetworkInterface> nifs = NetworkInterface.getNetworkInterfaces(); /*if (nifs == null) { System.err.println("Error getting the Network Interface"); return; }*/ //A specific network interface can be obtained using getByName NetworkInterface nif = NetworkInterface.getByName("sup0"); System.out.println("Starting to using the interface: " + nif.getName()); Enumeration<InetAddress> nifAddresses = nif.getInetAddresses(); RequestConfig config = RequestConfig.custom() .setLocalAddress(nifAddresses.nextElement()).build(); HttpGet httpGet = new HttpGet("http://localhost:8080/admin"); httpGet.setConfig(config); CloseableHttpClient httpClient = HttpClients.createDefault(); try { CloseableHttpResponse response = httpClient.execute(httpGet); try { //logic goes here } finally { response.close(); } } finally { httpClient.close(); } }


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