import java.io.*;
import java.net.*;
import java.util.*;

public class LocalProxySelector extends ProxySelector {
  
  private List<URI> failed = new ArrayList<URI>();
  
  public List<Proxy> select(URI uri) {
    
    List<Proxy> result = new ArrayList<Proxy>();
    if (failed.contains(uri) 
        || !"http".equalsIgnoreCase(uri.getScheme())) {
      result.add(Proxy.NO_PROXY);
    } else {
      SocketAddress proxyAddress 
          = new InetSocketAddress( "proxy.example.com", 8000);
      Proxy proxy = new Proxy(Proxy.Type.HTTP, proxyAddress);
      result.add(proxy);
    }
    
    return result;
  }
  
  public void connectFailed(URI uri, SocketAddress address, IOException ex) {
    failed.add(uri);
  }
}