How to set custom User-Agent with apache http client library 4.1?

Question

How to make HTTPClient use custom User-Agent header?

The following code submits empty user-agent. What am I missing?

import java.io.IOException;

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Answer 1

You can also set a global user agent value instead of per request:

String userAgent = "NewUseAgent/1.0";
HttpClient httpClient = new DefaultHttpClient();
httpclient.getParams().setParameter(CoreProtocolPNames.USER_AGENT, userAgent);