How to use

parent

method

in

com.google.common.net.InternetDomainName

public void testParent() {
 assertEquals("com", InternetDomainName.from("google.com").parent().toString());
 assertEquals("uk", InternetDomainName.from("co.uk").parent().toString());
 assertEquals("google.com", InternetDomainName.from("www.google.com").parent().toString());
 try {
  InternetDomainName.from("com").parent();
  fail("'com' should throw ISE on .parent() call");
 } catch (IllegalStateException expected) {
 }
}

public void testParentChild() {
 InternetDomainName origin = InternetDomainName.from("foo.com");
 InternetDomainName parent = origin.parent();
 assertEquals("com", parent.toString());
 // These would throw an exception if leniency were not preserved during parent() and child()
 // calls.
 InternetDomainName child = parent.child(LOTS_OF_DELTAS);
 child.child(LOTS_OF_DELTAS);
}

/**
 * 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;
}

public void testTopPrivateDomain() {
 for (String name : TOP_PRIVATE_DOMAIN) {
  final InternetDomainName domain = InternetDomainName.from(name);
  assertFalse(name, domain.isPublicSuffix());
  assertTrue(name, domain.hasPublicSuffix());
  assertTrue(name, domain.isUnderPublicSuffix());
  assertTrue(name, domain.isTopPrivateDomain());
  assertEquals(domain.parent(), domain.publicSuffix());
 }
}

public void testTopDomainUnderRegistrySuffix() {
 for (String name : TOP_UNDER_REGISTRY_SUFFIX) {
  final InternetDomainName domain = InternetDomainName.from(name);
  assertFalse(name, domain.isRegistrySuffix());
  assertTrue(name, domain.hasRegistrySuffix());
  assertTrue(name, domain.isUnderRegistrySuffix());
  assertTrue(name, domain.isTopDomainUnderRegistrySuffix());
  assertEquals(domain.parent(), domain.registrySuffix());
 }
}

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;
}

public static String getCanonicalDomain(String domain) {
  InternetDomainName idn = InternetDomainName.from(domain);
  while (idn != null && !idn.isTopPrivateDomain()) {
    idn = idn.parent();
  }
  return idn == null ? null : idn.toString();
}

  @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;
  }
  

public void testParent() {
 assertEquals(
   "com",
   InternetDomainName.from("google.com").parent().toString());
 assertEquals(
   "uk",
   InternetDomainName.from("co.uk").parent().toString());
 assertEquals(
   "google.com",
   InternetDomainName.from("www.google.com").parent().toString());
 try {
  InternetDomainName.from("com").parent();
  fail("'com' should throw ISE on .parent() call");
 } catch (IllegalStateException expected) {
 }
}

public void testParentChild() {
 InternetDomainName origin = InternetDomainName.from("foo.com");
 InternetDomainName parent = origin.parent();
 assertEquals("com", parent.toString());
 // These would throw an exception if leniency were not preserved during parent() and child()
 // calls.
 InternetDomainName child = parent.child(LOTS_OF_DELTAS);
 child.child(LOTS_OF_DELTAS);
}

/**
 * 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;
}

public void testTopDomainUnderRegistrySuffix() {
 for (String name : TOP_UNDER_REGISTRY_SUFFIX) {
  final InternetDomainName domain = InternetDomainName.from(name);
  assertFalse(name, domain.isRegistrySuffix());
  assertTrue(name, domain.hasRegistrySuffix());
  assertTrue(name, domain.isUnderRegistrySuffix());
  assertTrue(name, domain.isTopDomainUnderRegistrySuffix());
  assertEquals(domain.parent(), domain.registrySuffix());
 }
}

public void testTopPrivateDomain() {
 for (String name : TOP_PRIVATE_DOMAIN) {
  final InternetDomainName domain = InternetDomainName.from(name);
  assertFalse(name, domain.isPublicSuffix());
  assertTrue(name, domain.hasPublicSuffix());
  assertTrue(name, domain.isUnderPublicSuffix());
  assertTrue(name, domain.isTopPrivateDomain());
  assertEquals(domain.parent(), domain.publicSuffix());
 }
}