How to use

hasParent

method

in

com.google.common.net.InternetDomainName

/**
 * Returns an {@code InternetDomainName} that is the immediate ancestor of this one; that is, the
 * current domain with the leftmost part removed. For example, the parent of {@code
 * www.google.com} is {@code google.com}.
 *
 * @throws IllegalStateException if the domain has no parent, as determined by {@link #hasParent}
 */
public InternetDomainName parent() {
 checkState(hasParent(), "Domain '%s' has no parent", name);
 return ancestor(1);
}

/**
 * Returns an {@code InternetDomainName} that is the immediate ancestor of this one; that is, the
 * current domain with the leftmost part removed. For example, the parent of {@code
 * www.google.com} is {@code google.com}.
 *
 * @throws IllegalStateException if the domain has no parent, as determined by {@link #hasParent}
 */
public InternetDomainName parent() {
 checkState(hasParent(), "Domain '%s' has no parent", name);
 return ancestor(1);
}

/**
 * Returns an {@code InternetDomainName} that is the immediate ancestor of this one; that is, the
 * current domain with the leftmost part removed. For example, the parent of {@code
 * www.google.com} is {@code google.com}.
 *
 * @throws IllegalStateException if the domain has no parent, as determined by {@link #hasParent}
 */
public InternetDomainName parent() {
 checkState(hasParent(), "Domain '%s' has no parent", name);
 return ancestor(1);
}

/**
 * Returns a {@link LimitedCookieStoreFacade} whose
 * {@link LimitedCookieStoreFacade#getCookies()} method returns only cookies
 * from {@code host} and its parent domains, if applicable.
 */
public CookieStore cookieStoreFor(String host) {
  CompositeCollection cookieCollection = new CompositeCollection();
  if (InternetDomainName.isValid(host)) {
    InternetDomainName domain = InternetDomainName.from(host);
    while (domain != null) {
      Collection<Cookie> subset = hostSubset(domain.toString());
      cookieCollection.addComposited(subset);
      if (domain.hasParent()) {
        domain = domain.parent();
      } else {
        domain = null;
      }
    }
  } else {
    Collection<Cookie> subset = hostSubset(host.toString());
    cookieCollection.addComposited(subset);
  }
  @SuppressWarnings("unchecked")
  List<Cookie> cookieList = new RestrictedCollectionWrappedList<Cookie>(cookieCollection);
  LimitedCookieStoreFacade store = new LimitedCookieStoreFacade(cookieList);
  return store;
}

/**
 * Returns an {@code InternetDomainName} that is the immediate ancestor of
 * this one; that is, the current domain with the leftmost part removed. For
 * example, the parent of {@code www.google.com} is {@code google.com}.
 *
 * @throws IllegalStateException if the domain has no parent, as determined
 *     by {@link #hasParent}
 */
public InternetDomainName parent() {
 checkState(hasParent(), "Domain '%s' has no parent", name);
 return ancestor(1);
}

/**
 * Returns an {@code InternetDomainName} that is the immediate ancestor of
 * this one; that is, the current domain with the leftmost part removed. For
 * example, the parent of {@code www.google.com} is {@code google.com}.
 *
 * @throws IllegalStateException if the domain has no parent, as determined
 *     by {@link #hasParent}
 */
public InternetDomainName parent() {
 checkState(hasParent(), "Domain '%s' has no parent", name);
 return ancestor(1);
}

/**
 * Returns an {@code InternetDomainName} that is the immediate ancestor of
 * this one; that is, the current domain with the leftmost part removed. For
 * example, the parent of {@code www.google.com} is {@code google.com}.
 *
 * @throws IllegalStateException if the domain has no parent, as determined
 *     by {@link #hasParent}
 */
public InternetDomainName parent() {
  checkState(hasParent(), "Domain '%s' has no parent", name);
  return ancestor(1);
}

/**
 * Returns an {@code InternetDomainName} that is the immediate ancestor of this one; that is, the
 * current domain with the leftmost part removed. For example, the parent of {@code
 * www.google.com} is {@code google.com}.
 *
 * @throws IllegalStateException if the domain has no parent, as determined by {@link #hasParent}
 */
public InternetDomainName parent() {
 checkState(hasParent(), "Domain '%s' has no parent", name);
 return ancestor(1);
}

/**
 * Returns an {@code InternetDomainName} that is the immediate ancestor of this one; that is, the
 * current domain with the leftmost part removed. For example, the parent of {@code
 * www.google.com} is {@code google.com}.
 *
 * @throws IllegalStateException if the domain has no parent, as determined by {@link #hasParent}
 */
public InternetDomainName parent() {
 checkState(hasParent(), "Domain '%s' has no parent", name);
 return ancestor(1);
}

/**
 * Returns an {@code InternetDomainName} that is the immediate ancestor of
 * this one; that is, the current domain with the leftmost part removed. For
 * example, the parent of {@code www.google.com} is {@code google.com}.
 *
 * @throws IllegalStateException if the domain has no parent, as determined
 *     by {@link #hasParent}
 */
public InternetDomainName parent() {
 checkState(hasParent(), "Domain '%s' has no parent", name);
 return ancestor(1);
}

/**
 * Returns an {@code InternetDomainName} that is the immediate ancestor of
 * this one; that is, the current domain with the leftmost part removed. For
 * example, the parent of {@code www.google.com} is {@code google.com}.
 *
 * @throws IllegalStateException if the domain has no parent, as determined
 *     by {@link #hasParent}
 */
public InternetDomainName parent() {
 checkState(hasParent(), "Domain '%s' has no parent", name);
 return ancestor(1);
}

/**
 * Returns an {@code InternetDomainName} that is the immediate ancestor of
 * this one; that is, the current domain with the leftmost part removed. For
 * example, the parent of {@code www.google.com} is {@code google.com}.
 *
 * @throws IllegalStateException if the domain has no parent, as determined
 *     by {@link #hasParent}
 */
public InternetDomainName parent() {
 checkState(hasParent(), "Domain '%s' has no parent", name);
 return ancestor(1);
}

/**
 * Returns an {@code InternetDomainName} that is the immediate ancestor of
 * this one; that is, the current domain with the leftmost part removed. For
 * example, the parent of {@code www.google.com} is {@code google.com}.
 *
 * @throws IllegalStateException if the domain has no parent, as determined
 *     by {@link #hasParent}
 */
public InternetDomainName parent() {
 checkState(hasParent(), "Domain '%s' has no parent", name);
 return ancestor(1);
}

/**
 * Returns an {@code InternetDomainName} that is the immediate ancestor of
 * this one; that is, the current domain with the leftmost part removed. For
 * example, the parent of {@code www.google.com} is {@code google.com}.
 *
 * @throws IllegalStateException if the domain has no parent, as determined
 *     by {@link #hasParent}
 */
public InternetDomainName parent() {
 checkState(hasParent(), "Domain '%s' has no parent", name);
 return ancestor(1);
}

/**
 * Returns an {@code InternetDomainName} that is the immediate ancestor of
 * this one; that is, the current domain with the leftmost part removed. For
 * example, the parent of {@code www.google.com} is {@code google.com}.
 *
 * @throws IllegalStateException if the domain has no parent, as determined
 *     by {@link #hasParent}
 */
public InternetDomainName parent() {
 checkState(hasParent(), "Domain '%s' has no parent", name);
 return ancestor(1);
}

/**
 * Returns an {@code InternetDomainName} that is the immediate ancestor of
 * this one; that is, the current domain with the leftmost part removed. For
 * example, the parent of {@code www.google.com} is {@code google.com}.
 *
 * @throws IllegalStateException if the domain has no parent, as determined
 *     by {@link #hasParent}
 */
public InternetDomainName parent() {
 checkState(hasParent(), "Domain '%s' has no parent", name);
 return ancestor(1);
}

private static ImmutableList.Builder<String> parentLevels(InternetDomainName internetDomainName) {
  ImmutableList.Builder<String> levels;
  if(internetDomainName.hasParent()){
    levels = parentLevels(internetDomainName.parent());
  }
  else {
    levels = ImmutableList.builder();
  }
  levels.add(internetDomainName.toString());
  return levels;
}

private static ImmutableList.Builder<String> parentLevels(InternetDomainName internetDomainName) {
  ImmutableList.Builder<String> levels;
  if(internetDomainName.hasParent()){
    levels = parentLevels(internetDomainName.parent());
  }
  else {
    levels = ImmutableList.builder();
  }
  levels.add(internetDomainName.toString());
  return levels;
}

  @Override
  public GeneralisedWebAddress getGeneralisedHostName(URL url) {
    String host = url.getHost();
//        if (! url.getHost().contains(".")) {
//            return GeneralisedWebAddress.build(host, GeneralisedWebAddressType.HOST_ADDRESS);
//        } else 
    InetAddress ip = extractInetAddress(host);
    if (ip != null) {
      if (ip instanceof Inet4Address ) {
        return GeneralisedWebAddress.build(host.replaceFirst("\\d+$", ""), GeneralisedWebAddressType.IPV4_ADDRESS);
      } else if (ip instanceof Inet6Address) {
        return GeneralisedWebAddress.build(ip.getHostAddress(), GeneralisedWebAddressType.IPV6_ADDRESS);
      }
    } else if (InternetDomainName.isValid(host)) { 
      InternetDomainName domainName = InternetDomainName.from(host);
      if (domainName.isUnderPublicSuffix()) {
        return GeneralisedWebAddress.build(domainName.topPrivateDomain().toString(), GeneralisedWebAddressType.DOMAIN_NAME);
      } else if (domainName.hasParent()) {
        return GeneralisedWebAddress.build(domainName.parent().toString(), GeneralisedWebAddressType.DOMAIN_NAME);
      }
      return GeneralisedWebAddress.build(host, GeneralisedWebAddressType.HOST_ADDRESS);
    }
    
    return null;
  }
  

/**
 * Returns a {@link LimitedCookieStoreFacade} whose
 * {@link LimitedCookieStoreFacade#getCookies()} method returns only cookies
 * from {@code host} and its parent domains, if applicable.
 */
public CookieStore cookieStoreFor(String host) {
  CompositeCollection cookieCollection = new CompositeCollection();
  if (InternetDomainName.isValid(host)) {
    InternetDomainName domain = InternetDomainName.from(host);
    while (domain != null) {
      Collection<Cookie> subset = hostSubset(domain.toString());
      cookieCollection.addComposited(subset);
      if (domain.hasParent()) {
        domain = domain.parent();
      } else {
        domain = null;
      }
    }
  } else {
    Collection<Cookie> subset = hostSubset(host.toString());
    cookieCollection.addComposited(subset);
  }
  @SuppressWarnings("unchecked")
  List<Cookie> cookieList = new RestrictedCollectionWrappedList<Cookie>(cookieCollection);
  LimitedCookieStoreFacade store = new LimitedCookieStoreFacade(cookieList);
  return store;
}