package maptest;
import java.util.HashMap;
class WritableString{
	String field;
	public String toString(){
		return field;
	}
	public String write(final String str){
		field = str;
		return field;
	}
}
class UploadData{
	WritableString time;             // t
	class Source{
	   WritableString ip = new WritableString();               // i
	   WritableString countryCode = new WritableString();      // c
	   WritableString category = new WritableString();         // ra
	}
	class Destination{
	   WritableString ip = new WritableString();          // di
	   WritableString countryCode = new WritableString(); // dc
	   WritableString hostName = new WritableString();    // ho
	   WritableString port = new WritableString();        // po
	   WritableString path = new WritableString();        // pa
	}
	Source src = new Source();
	Destination dst = new Destination();
	HashMap<String,Object> map = new HashMap<String,Object>();
	/**
	 * write to the specified field,
	 * return true if write successfully.
	 */
	public boolean write(String fieldName,String val){
		WritableString toWrite = (WritableString)map.get(fieldName);
		if(toWrite == null) {
			return false;
		}
		toWrite.write(val);
		return true;
	}
	private void init(){
		map.put("t", time);
		map.put("i", src.ip);
		map.put("c", src.countryCode);
		map.put("ra", src.category);
		map.put("di", dst.ip);
		map.put("dc", dst.countryCode);
		map.put("ho", dst.hostName);
		map.put("po", dst.port);
		map.put("pa", dst.path);
	}
	public UploadData(){
		init();
	}
}
public class TestMap {
   public static void main(String argv[]){

   }
}