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java.lang.Objectdk.netarkivet.common.utils.DomainUtils
public final class DomainUtils
Utilities for working with domain names.
Field Summary | |
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static java.lang.String |
DOMAINNAME_CHAR_REGEX_STRING
Valid characters in a domain name, according to RFC3490. |
static java.lang.String |
TLD_REGEX_STRING
A string for a regexp recognising a TLD read from settings. |
static java.util.regex.Pattern |
VALID_DOMAIN_MATCHER
Regexp for matching a valid domain, that is a single domainnamepart followed by a TLD from settings, or an IP address. |
Method Summary | |
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static java.lang.String |
domainNameFromHostname(java.lang.String hostname)
Return a domain name. |
static boolean |
isValidDomainName(java.lang.String domainName)
Check if a given domainName is valid domain. |
static java.lang.String |
reduceHostname(java.lang.String hostname)
Reduce a hostname to a more readable form. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final java.lang.String DOMAINNAME_CHAR_REGEX_STRING
public static final java.lang.String TLD_REGEX_STRING
public static final java.util.regex.Pattern VALID_DOMAIN_MATCHER
Method Detail |
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public static boolean isValidDomainName(java.lang.String domainName)
domainName
- A name of a domain (netarkivet.dk)
public static java.lang.String domainNameFromHostname(java.lang.String hostname)
hostname
- A hostname or IP address. Null hostname is not allowed
public static java.lang.String reduceHostname(java.lang.String hostname) throws ArgumentNotValid
hostname
- A host name, should not be null.
ArgumentNotValid
- if argument isn't valid.
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