public DescribeVpcAttributeResult unmarshall(StaxUnmarshallerContext context) throws Exception {
    DescribeVpcAttributeResult describeVpcAttributeResult = new DescribeVpcAttributeResult();
    int originalDepth = context.getCurrentDepth();
    int targetDepth = originalDepth + 1;

    if (context.isStartOfDocument()) targetDepth += 1;

    while (true) {
      XMLEvent xmlEvent = context.nextEvent();
      if (xmlEvent.isEndDocument()) return describeVpcAttributeResult;

      if (xmlEvent.isAttribute() || xmlEvent.isStartElement()) {

        if (context.testExpression("vpcId", targetDepth)) {
          describeVpcAttributeResult.setVpcId(
              StringStaxUnmarshaller.getInstance().unmarshall(context));
          continue;
        }

        if (context.testExpression("enableDnsSupport/value", targetDepth)) {
          describeVpcAttributeResult.setEnableDnsSupport(
              BooleanStaxUnmarshaller.getInstance().unmarshall(context));
          continue;
        }

        if (context.testExpression("enableDnsHostnames/value", targetDepth)) {
          describeVpcAttributeResult.setEnableDnsHostnames(
              BooleanStaxUnmarshaller.getInstance().unmarshall(context));
          continue;
        }
      } else if (xmlEvent.isEndElement()) {
        if (context.getCurrentDepth() < originalDepth) {
          return describeVpcAttributeResult;
        }
      }
    }
  }
  @Override
  public boolean equals(Object obj) {
    if (this == obj) return true;
    if (obj == null) return false;

    if (obj instanceof DescribeVpcAttributeResult == false) return false;
    DescribeVpcAttributeResult other = (DescribeVpcAttributeResult) obj;

    if (other.getVpcId() == null ^ this.getVpcId() == null) return false;
    if (other.getVpcId() != null && other.getVpcId().equals(this.getVpcId()) == false) return false;
    if (other.isEnableDnsSupport() == null ^ this.isEnableDnsSupport() == null) return false;
    if (other.isEnableDnsSupport() != null
        && other.isEnableDnsSupport().equals(this.isEnableDnsSupport()) == false) return false;
    if (other.isEnableDnsHostnames() == null ^ this.isEnableDnsHostnames() == null) return false;
    if (other.isEnableDnsHostnames() != null
        && other.isEnableDnsHostnames().equals(this.isEnableDnsHostnames()) == false) return false;
    return true;
  }