PreEmptiveBasicAuthenticator.java

package com.plugtree.solrmeter.model;

import java.io.IOException;

import org.apache.http.HttpException;
import org.apache.http.HttpRequest;
import org.apache.http.HttpRequestInterceptor;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.impl.auth.BasicScheme;
import org.apache.http.protocol.HttpContext;

public class PreEmptiveBasicAuthenticator implements HttpRequestInterceptor {
  private final UsernamePasswordCredentials credentials;

  public PreEmptiveBasicAuthenticator(String user, String pass) {
    credentials = new UsernamePasswordCredentials(user, pass);
  }

  @Override
  public void process(HttpRequest request, HttpContext context)
      throws HttpException, IOException {
    request.addHeader(BasicScheme.authenticate(credentials,"US-ASCII",false));
  }
}