How to use

isTopPrivateDomain

method

in

com.google.common.net.InternetDomainName

/**
 * Returns the portion of this domain name that is one level beneath the {@linkplain
 * #isPublicSuffix() public suffix}. For example, for {@code x.adwords.google.co.uk} it returns
 * {@code google.co.uk}, since {@code co.uk} is a public suffix. Similarly, for {@code
 * myblog.blogspot.com} it returns the same domain, {@code myblog.blogspot.com}, since {@code
 * blogspot.com} is a public suffix.
 *
 * <p>If {@link #isTopPrivateDomain()} is true, the current domain name instance is returned.
 *
 * <p>This method can be used to determine the probable highest level parent domain for which
 * cookies may be set, though even that depends on individual browsers' implementations of cookie
 * controls.
 *
 * @throws IllegalStateException if this domain does not end with a public suffix
 * @since 6.0
 */
public InternetDomainName topPrivateDomain() {
 if (isTopPrivateDomain()) {
  return this;
 }
 checkState(isUnderPublicSuffix(), "Not under a public suffix: %s", name);
 return ancestor(publicSuffixIndex - 1);
}

  public boolean isRegisteredDomain(String domain) {
    if (onlineUpdate) {
      return publicSuffixList.isRegistrable(domain);
    } else {
      return InternetDomainName.from(domain).isTopPrivateDomain();
    }
  }
}

/**
 * Returns the portion of this domain name that is one level beneath the {@linkplain
 * #isPublicSuffix() public suffix}. For example, for {@code x.adwords.google.co.uk} it returns
 * {@code google.co.uk}, since {@code co.uk} is a public suffix. Similarly, for {@code
 * myblog.blogspot.com} it returns the same domain, {@code myblog.blogspot.com}, since {@code
 * blogspot.com} is a public suffix.
 *
 * <p>If {@link #isTopPrivateDomain()} is true, the current domain name instance is returned.
 *
 * <p>This method can be used to determine the probable highest level parent domain for which
 * cookies may be set, though even that depends on individual browsers' implementations of cookie
 * controls.
 *
 * @throws IllegalStateException if this domain does not end with a public suffix
 * @since 6.0
 */
public InternetDomainName topPrivateDomain() {
 if (isTopPrivateDomain()) {
  return this;
 }
 checkState(isUnderPublicSuffix(), "Not under a public suffix: %s", name);
 return ancestor(publicSuffixIndex - 1);
}

/**
 * Returns the portion of this domain name that is one level beneath the {@linkplain
 * #isPublicSuffix() public suffix}. For example, for {@code x.adwords.google.co.uk} it returns
 * {@code google.co.uk}, since {@code co.uk} is a public suffix. Similarly, for {@code
 * myblog.blogspot.com} it returns the same domain, {@code myblog.blogspot.com}, since {@code
 * blogspot.com} is a public suffix.
 *
 * <p>If {@link #isTopPrivateDomain()} is true, the current domain name instance is returned.
 *
 * <p>This method can be used to determine the probable highest level parent domain for which
 * cookies may be set, though even that depends on individual browsers' implementations of cookie
 * controls.
 *
 * @throws IllegalStateException if this domain does not end with a public suffix
 * @since 6.0
 */
public InternetDomainName topPrivateDomain() {
 if (isTopPrivateDomain()) {
  return this;
 }
 checkState(isUnderPublicSuffix(), "Not under a public suffix: %s", name);
 return ancestor(publicSuffixIndex - 1);
}

public void testUnderPrivateDomain() {
 for (String name : UNDER_PRIVATE_DOMAIN) {
  final InternetDomainName domain = InternetDomainName.from(name);
  assertFalse(name, domain.isPublicSuffix());
  assertTrue(name, domain.hasPublicSuffix());
  assertTrue(name, domain.isUnderPublicSuffix());
  assertFalse(name, domain.isTopPrivateDomain());
 }
}

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 testPublicSuffix() {
 for (String name : PS) {
  final InternetDomainName domain = InternetDomainName.from(name);
  assertTrue(name, domain.isPublicSuffix());
  assertTrue(name, domain.hasPublicSuffix());
  assertFalse(name, domain.isUnderPublicSuffix());
  assertFalse(name, domain.isTopPrivateDomain());
  assertEquals(domain, domain.publicSuffix());
 }
 for (String name : NO_PS) {
  final InternetDomainName domain = InternetDomainName.from(name);
  assertFalse(name, domain.isPublicSuffix());
  assertFalse(name, domain.hasPublicSuffix());
  assertFalse(name, domain.isUnderPublicSuffix());
  assertFalse(name, domain.isTopPrivateDomain());
  assertNull(domain.publicSuffix());
 }
 for (String name : NON_PS) {
  final InternetDomainName domain = InternetDomainName.from(name);
  assertFalse(name, domain.isPublicSuffix());
  assertTrue(name, domain.hasPublicSuffix());
  assertTrue(name, domain.isUnderPublicSuffix());
 }
}

/**
 * Returns the portion of this domain name that is one level beneath the {@linkplain
 * #isPublicSuffix() public suffix}. For example, for {@code x.adwords.google.co.uk} it returns
 * {@code google.co.uk}, since {@code co.uk} is a public suffix. Similarly, for {@code
 * myblog.blogspot.com} it returns the same domain, {@code myblog.blogspot.com}, since {@code
 * blogspot.com} is a public suffix.
 *
 * <p>If {@link #isTopPrivateDomain()} is true, the current domain name instance is returned.
 *
 * <p>This method can be used to determine the probable highest level parent domain for which
 * cookies may be set, though even that depends on individual browsers' implementations of cookie
 * controls.
 *
 * @throws IllegalStateException if this domain does not end with a public suffix
 * @since 6.0
 */
public InternetDomainName topPrivateDomain() {
 if (isTopPrivateDomain()) {
  return this;
 }
 checkState(isUnderPublicSuffix(), "Not under a public suffix: %s", name);
 return ancestor(publicSuffixIndex - 1);
}

/**
 * Returns the portion of this domain name that is one level beneath the {@linkplain
 * #isPublicSuffix() public suffix}. For example, for {@code x.adwords.google.co.uk} it returns
 * {@code google.co.uk}, since {@code co.uk} is a public suffix. Similarly, for {@code
 * myblog.blogspot.com} it returns the same domain, {@code myblog.blogspot.com}, since {@code
 * blogspot.com} is a public suffix.
 *
 * <p>If {@link #isTopPrivateDomain()} is true, the current domain name instance is returned.
 *
 * <p>This method can be used to determine the probable highest level parent domain for which
 * cookies may be set, though even that depends on individual browsers' implementations of cookie
 * controls.
 *
 * @throws IllegalStateException if this domain does not end with a public suffix
 * @since 6.0
 */
public InternetDomainName topPrivateDomain() {
 if (isTopPrivateDomain()) {
  return this;
 }
 checkState(isUnderPublicSuffix(), "Not under a public suffix: %s", name);
 return ancestor(publicSuffixIndex - 1);
}

/**
 * Returns the portion of this domain name that is one level beneath the
 * public suffix. For example, for {@code x.adwords.google.co.uk} it returns
 * {@code google.co.uk}, since {@code co.uk} is a public suffix.
 *
 * <p>If {@link #isTopPrivateDomain()} is true, the current domain name
 * instance is returned.
 *
 * <p>This method should not be used to determine the topmost parent domain
 * which is addressable as a host, as many public suffixes are also
 * addressable hosts. For example, the domain {@code foo.bar.uk.com} has
 * a public suffix of {@code uk.com}, so it would return {@code bar.uk.com}
 * from this method. But {@code uk.com} is itself an addressable host.
 *
 * <p>This method can be used to determine the probable highest level parent
 * domain for which cookies may be set, though even that depends on individual
 * browsers' implementations of cookie controls.
 *
 * @throws IllegalStateException if this domain does not end with a
 *     public suffix
 * @since 6.0
 */
public InternetDomainName topPrivateDomain() {
 if (isTopPrivateDomain()) {
  return this;
 }
 checkState(isUnderPublicSuffix(), "Not under a public suffix: %s", name);
 return ancestor(publicSuffixIndex - 1);
}

/**
 * Returns the portion of this domain name that is one level beneath the
 * public suffix. For example, for {@code x.adwords.google.co.uk} it returns
 * {@code google.co.uk}, since {@code co.uk} is a public suffix.
 *
 * <p>If {@link #isTopPrivateDomain()} is true, the current domain name
 * instance is returned.
 *
 * <p>This method should not be used to determine the topmost parent domain
 * which is addressable as a host, as many public suffixes are also
 * addressable hosts. For example, the domain {@code foo.bar.uk.com} has
 * a public suffix of {@code uk.com}, so it would return {@code bar.uk.com}
 * from this method. But {@code uk.com} is itself an addressable host.
 *
 * <p>This method can be used to determine the probable highest level parent
 * domain for which cookies may be set, though even that depends on individual
 * browsers' implementations of cookie controls.
 *
 * @throws IllegalStateException if this domain does not end with a
 *     public suffix
 * @since 6.0
 */
public InternetDomainName topPrivateDomain() {
 if (isTopPrivateDomain()) {
  return this;
 }
 checkState(isUnderPublicSuffix(), "Not under a public suffix: %s", name);
 return ancestor(publicSuffixIndex - 1);
}

/**
 * Returns the portion of this domain name that is one level beneath the
 * public suffix. For example, for {@code x.adwords.google.co.uk} it returns
 * {@code google.co.uk}, since {@code co.uk} is a public suffix.
 *
 * <p>If {@link #isTopPrivateDomain()} is true, the current domain name
 * instance is returned.
 *
 * <p>This method should not be used to determine the topmost parent domain
 * which is addressable as a host, as many public suffixes are also
 * addressable hosts. For example, the domain {@code foo.bar.uk.com} has
 * a public suffix of {@code uk.com}, so it would return {@code bar.uk.com}
 * from this method. But {@code uk.com} is itself an addressable host.
 *
 * <p>This method can be used to determine the probable highest level parent
 * domain for which cookies may be set, though even that depends on individual
 * browsers' implementations of cookie controls.
 *
 * @throws IllegalStateException if this domain does not end with a
 *     public suffix
 * @since 6.0
 */
public InternetDomainName topPrivateDomain() {
 if (isTopPrivateDomain()) {
  return this;
 }
 checkState(isUnderPublicSuffix(), "Not under a public suffix: %s", name);
 return ancestor(publicSuffixIndex - 1);
}

/**
 * Returns the portion of this domain name that is one level beneath the
 * public suffix. For example, for {@code x.adwords.google.co.uk} it returns
 * {@code google.co.uk}, since {@code co.uk} is a public suffix.
 *
 * <p>If {@link #isTopPrivateDomain()} is true, the current domain name
 * instance is returned.
 *
 * <p>This method should not be used to determine the topmost parent domain
 * which is addressable as a host, as many public suffixes are also
 * addressable hosts. For example, the domain {@code foo.bar.uk.com} has
 * a public suffix of {@code uk.com}, so it would return {@code bar.uk.com}
 * from this method. But {@code uk.com} is itself an addressable host.
 *
 * <p>This method can be used to determine the probable highest level parent
 * domain for which cookies may be set, though even that depends on individual
 * browsers' implementations of cookie controls.
 *
 * @throws IllegalStateException if this domain does not end with a
 *     public suffix
 * @since 6.0
 */
public InternetDomainName topPrivateDomain() {
  if (isTopPrivateDomain()) {
    return this;
  }
  checkState(isUnderPublicSuffix(), "Not under a public suffix: %s", name);
  return ancestor(publicSuffixIndex - 1);
}

/**
 * Returns the portion of this domain name that is one level beneath the
 * public suffix. For example, for {@code x.adwords.google.co.uk} it returns
 * {@code google.co.uk}, since {@code co.uk} is a public suffix.
 *
 * <p>If {@link #isTopPrivateDomain()} is true, the current domain name
 * instance is returned.
 *
 * <p>This method should not be used to determine the topmost parent domain
 * which is addressable as a host, as many public suffixes are also
 * addressable hosts. For example, the domain {@code foo.bar.uk.com} has
 * a public suffix of {@code uk.com}, so it would return {@code bar.uk.com}
 * from this method. But {@code uk.com} is itself an addressable host.
 *
 * <p>This method can be used to determine the probable highest level parent
 * domain for which cookies may be set, though even that depends on individual
 * browsers' implementations of cookie controls.
 *
 * @throws IllegalStateException if this domain does not end with a
 *     public suffix
 * @since 6
 */
public InternetDomainName topPrivateDomain() {
 if (isTopPrivateDomain()) {
  return this;
 }
 checkState(isUnderPublicSuffix(), "Not under a public suffix: %s", name);
 return ancestor(publicSuffixIndex - 1);
}

/**
 * Returns the portion of this domain name that is one level beneath the
 * public suffix. For example, for {@code x.adwords.google.co.uk} it returns
 * {@code google.co.uk}, since {@code co.uk} is a public suffix.
 *
 * <p>If {@link #isTopPrivateDomain()} is true, the current domain name
 * instance is returned.
 *
 * <p>This method should not be used to determine the topmost parent domain
 * which is addressable as a host, as many public suffixes are also
 * addressable hosts. For example, the domain {@code foo.bar.uk.com} has
 * a public suffix of {@code uk.com}, so it would return {@code bar.uk.com}
 * from this method. But {@code uk.com} is itself an addressable host.
 *
 * <p>This method can be used to determine the probable highest level parent
 * domain for which cookies may be set, though even that depends on individual
 * browsers' implementations of cookie controls.
 *
 * @throws IllegalStateException if this domain does not end with a
 *     public suffix
 * @since 6.0
 */
public InternetDomainName topPrivateDomain() {
 if (isTopPrivateDomain()) {
  return this;
 }
 checkState(isUnderPublicSuffix(), "Not under a public suffix: %s", name);
 return ancestor(publicSuffixIndex - 1);
}

/**
 * Returns the portion of this domain name that is one level beneath the
 * public suffix. For example, for {@code x.adwords.google.co.uk} it returns
 * {@code google.co.uk}, since {@code co.uk} is a public suffix.
 *
 * <p>If {@link #isTopPrivateDomain()} is true, the current domain name
 * instance is returned.
 *
 * <p>This method should not be used to determine the topmost parent domain
 * which is addressable as a host, as many public suffixes are also
 * addressable hosts. For example, the domain {@code foo.bar.uk.com} has
 * a public suffix of {@code uk.com}, so it would return {@code bar.uk.com}
 * from this method. But {@code uk.com} is itself an addressable host.
 *
 * <p>This method can be used to determine the probable highest level parent
 * domain for which cookies may be set, though even that depends on individual
 * browsers' implementations of cookie controls.
 *
 * @throws IllegalStateException if this domain does not end with a
 *     public suffix
 * @since 6.0
 */
public InternetDomainName topPrivateDomain() {
 if (isTopPrivateDomain()) {
  return this;
 }
 checkState(isUnderPublicSuffix(), "Not under a public suffix: %s", name);
 return ancestor(publicSuffixIndex - 1);
}

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();
}

public void testUnderPrivateDomain() {
 for (String name : UNDER_PRIVATE_DOMAIN) {
  final InternetDomainName domain = InternetDomainName.from(name);
  assertFalse(name, domain.isPublicSuffix());
  assertTrue(name, domain.hasPublicSuffix());
  assertTrue(name, domain.isUnderPublicSuffix());
  assertFalse(name, domain.isTopPrivateDomain());
 }
}

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 testPublicSuffix() {
 for (String name : PS) {
  final InternetDomainName domain = InternetDomainName.from(name);
  assertTrue(name, domain.isPublicSuffix());
  assertTrue(name, domain.hasPublicSuffix());
  assertFalse(name, domain.isUnderPublicSuffix());
  assertFalse(name, domain.isTopPrivateDomain());
  assertEquals(domain, domain.publicSuffix());
 }
 for (String name : NO_PS) {
  final InternetDomainName domain = InternetDomainName.from(name);
  assertFalse(name, domain.isPublicSuffix());
  assertFalse(name, domain.hasPublicSuffix());
  assertFalse(name, domain.isUnderPublicSuffix());
  assertFalse(name, domain.isTopPrivateDomain());
  assertNull(domain.publicSuffix());
 }
 for (String name : NON_PS) {
  final InternetDomainName domain = InternetDomainName.from(name);
  assertFalse(name, domain.isPublicSuffix());
  assertTrue(name, domain.hasPublicSuffix());
  assertTrue(name, domain.isUnderPublicSuffix());
 }
}