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

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

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

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

        if (context.testExpression("MinimumPasswordLength", targetDepth)) {
          passwordPolicy.setMinimumPasswordLength(
              IntegerStaxUnmarshaller.getInstance().unmarshall(context));
          continue;
        }

        if (context.testExpression("RequireSymbols", targetDepth)) {
          passwordPolicy.setRequireSymbols(
              BooleanStaxUnmarshaller.getInstance().unmarshall(context));
          continue;
        }

        if (context.testExpression("RequireNumbers", targetDepth)) {
          passwordPolicy.setRequireNumbers(
              BooleanStaxUnmarshaller.getInstance().unmarshall(context));
          continue;
        }

        if (context.testExpression("RequireUppercaseCharacters", targetDepth)) {
          passwordPolicy.setRequireUppercaseCharacters(
              BooleanStaxUnmarshaller.getInstance().unmarshall(context));
          continue;
        }

        if (context.testExpression("RequireLowercaseCharacters", targetDepth)) {
          passwordPolicy.setRequireLowercaseCharacters(
              BooleanStaxUnmarshaller.getInstance().unmarshall(context));
          continue;
        }

        if (context.testExpression("AllowUsersToChangePassword", targetDepth)) {
          passwordPolicy.setAllowUsersToChangePassword(
              BooleanStaxUnmarshaller.getInstance().unmarshall(context));
          continue;
        }

        if (context.testExpression("ExpirePasswords", targetDepth)) {
          passwordPolicy.setExpirePasswords(
              BooleanStaxUnmarshaller.getInstance().unmarshall(context));
          continue;
        }

        if (context.testExpression("MaxPasswordAge", targetDepth)) {
          passwordPolicy.setMaxPasswordAge(
              IntegerStaxUnmarshaller.getInstance().unmarshall(context));
          continue;
        }

        if (context.testExpression("PasswordReusePrevention", targetDepth)) {
          passwordPolicy.setPasswordReusePrevention(
              IntegerStaxUnmarshaller.getInstance().unmarshall(context));
          continue;
        }

        if (context.testExpression("HardExpiry", targetDepth)) {
          passwordPolicy.setHardExpiry(BooleanStaxUnmarshaller.getInstance().unmarshall(context));
          continue;
        }
      } else if (xmlEvent.isEndElement()) {
        if (context.getCurrentDepth() < originalDepth) {
          return passwordPolicy;
        }
      }
    }
  }