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package config.nodes;

import java.util.ArrayList;
import javax.xml.stream.XMLEventReader;
import javax.xml.stream.XMLStreamConstants;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.events.EndElement;
import javax.xml.stream.events.StartElement;
import javax.xml.stream.events.XMLEvent;
import static utils.Constants.*;

/**
 *
 * @author Brad
 */
public class ParamFormatLine {
  private String symbol;
  private ArrayList<String> parameterNames;

  public ParamFormatLine(String symbol) {
    parameterNames = new ArrayList<>();
    this.symbol = symbol;
  }

  public String getSymbol() {
    return symbol;
  }

  public ArrayList<String> getParameterNames() {
    return parameterNames;
  }

  public String parse(XMLEventReader reader) throws XMLStreamException {
    XMLEvent event;
    boolean done = false;
    StartElement startElement;
    EndElement endElement;
    String variable = "";

    while (reader.hasNext() && !done) {
      event = reader.nextEvent();

      switch (event.getEventType()) {
        case XMLStreamConstants.START_ELEMENT:
          startElement = event.asStartElement();
          if (startElement.getName().getLocalPart().equals(PARAMNAME)) {
            variable = reader.getElementText();
            parameterNames.add(variable);

          }
          break;
        case XMLStreamConstants.END_ELEMENT:
          endElement = event.asEndElement();
          if (endElement.getName().getLocalPart().equals(PARAMFORMATLINE))
            done = true;
      }
    }
    return variable;
  }
}