// simple ResultSet detached from database (like RowSet, but no DB methods)

import java.util.*;

public class DbRowSet {
  private Iterator iter;
  private Map curMap;

  // accepts List of Map (columname => value)
  public DbRowSet(List lst){
    iter = lst.iterator();
    curMap = null;
  }

  public boolean next(){
    if(iter.hasNext()){
      curMap = (Map)(iter.next());
      return true;
    }else{
      curMap = null;
      return false;
    }
  }

  public String getString(String columnName){
    Object val = curMap.get(columnName); 
    
    if(val != null)
      return (String)val;                     
    else
      return new String("");
  }

  public int getInt(String columnName){
    Object val = curMap.get(columnName);

    if(val != null)
      return ((Integer)val).intValue();
    else
      return 0;
  }
}