package ESU.tree;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import java.util.Vector;
import org.json.JSONObject;
import org.json.XML;
import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;
//作者+ 著作权人： 罗瑶光，浏阳，
public class Tree_ESU{
  public static String treeToJsonString(Gson gson, Set<Object> sets){
    return gson.toJson(sets);
  }

  public static Object stringTreeToJsonString(Gson gson, Set<String> sets) {
    return gson.toJson(sets);
  }

  public static String treeToXml(Gson gson, Set<Object> sets){
    return XML.toString(new JSONObject(gson.toJson(sets)));
  }

  public static String treeToMap(Gson gson, Set<Object> sets){
    return gson.fromJson(new JSONObject(gson.toJson(sets)).toString()
        , new TypeToken<Map<String, Object>>(){}.getType());
  }

  public static Object[] treeToObjectArray(Set<Object> sets){
    return sets.toArray();
  }

  public static Iterator<Object> treeToIterator(Set<Object> sets){
    return sets.iterator();
  }

  public static Vector<Object> treeToVector(Set<Object> sets){
    Vector<Object> vector= new Vector<>();
    Iterator<Object> iterator= sets.iterator();
    while(iterator.hasNext()) {
      vector.add(iterator.next());
    }
    return vector;
  }
}