/**
    * Logback: the reliable, generic, fast and flexible logging framework.
    * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
    *
    * This program and the accompanying materials are dual-licensed under
    * either the terms of the Eclipse Public License v1.0 as published by
    * the Eclipse Foundation
    *
    *   or (per the licensee's choosing)
   *
   * under the terms of the GNU Lesser General Public License version 2.1
   * as published by the Free Software Foundation.
   */
  package ch.qos.logback.core.joran.event.stax;
  
  import ch.qos.logback.core.joran.spi.ElementPath;
  
  import javax.xml.stream.Location;
  import javax.xml.stream.events.Attribute;
  import java.util.ArrayList;
  import java.util.Iterator;
  import java.util.List;
  
  public class StartEvent extends StaxEvent {
  
      List<Attribute> attributes;
      public ElementPath elementPath;
  
      StartEvent(ElementPath elementPath, String name, Iterator<Attribute> attributeIterator, Location location) {
          super(name, location);
          populateAttributes(attributeIterator);
          this.elementPath = elementPath;
      }
  
      private void populateAttributes(Iterator<Attribute> attributeIterator) {
          while (attributeIterator.hasNext()) {
              if (attributes == null) {
                  attributes = new ArrayList<Attribute>(2);
              }
              attributes.add(attributeIterator.next());
          }
      }
  
      public ElementPath getElementPath() {
          return elementPath;
      }
  
      public List<Attribute> getAttributeList() {
          return attributes;
      }
  
      Attribute getAttributeByName(String name) {
          if (attributes == null)
              return null;
  
          for (Attribute attr : attributes) {
              if (name.equals(attr.getName().getLocalPart()))
                  return attr;
          }
          return null;
      }
  
      @Override
      public String toString() {
          return "StartEvent(" + getName() + ")  [" + location.getLineNumber() + "," + location.getColumnNumber() + "]";
      }
  }