domain « url « Java Network Q&A

1. Get the second level domain of an URL (java)    stackoverflow.com

I am wondering if there is a parser or library in java for extracting the second level domain (SLD) in an URL - or failing that an algo or regex for ...

2. How to identify the top level domain of a URL object using java?    stackoverflow.com

Given this :

URL u=new URL("someURL");

3. retrieve an top level domain from an url using java    stackoverflow.com

i need to retrieve an top level domain from the url means ex

http://www.google.com

url.getHost();

4. What is the fastest way to get the domain/host name from a URL?    stackoverflow.com

I need to go through a large list of string url's and extract the domain name from them. For example: http://www.stackoverflow.com/questions would extract www.stackoverflow.com I originally was using new URL(theUrlString).getHost() but the URL object ...

5. Extract main domain name from a given url    stackoverflow.com

I used the following to extract the domain from a url: (They are test cases)

String regex = "^(ww[a-zA-Z0-9-]{0,}\\.)";
ArrayList<String> cases = new ArrayList<String>();
cases.add("www.google.com");
cases.add("ww.socialrating.it");
cases.add("www-01.hopperspot.com");
cases.add("wwwsupernatural-brasil.blogspot.com");
cases.add("xtop10.net");
cases.add("zoyanailpolish.blogspot.com");

for (String t : cases) {  
   ...

6. get domain url    coderanch.com

7. redirection is going to infinite loop if url is not having the www domain    coderanch.com

Hi All, Facing strange problem in our production environment that is redirecting the url is not working if the domain is not having www in the url. here is the example: we have one index.html file having the switch function for redirecting the curHost to specific action class and what action class will do is getting the domain(current host) and ip ...

8. fetching top level domain from URL.    coderanch.com

You can try to use java.net.URL instead of java.net.URI. That will not make getHost() return null. It still can't handle the though. For some reason it gets translated from (int value 148) to (int value 246). This conversion already happens in the URL constructor. I've also tried the URL(String, String, String) constructor but I get the same result. ...

9. Validate a given url against valid comma seperated list of domain names    coderanch.com

Another possibility is to turn the list of domain names into a regular expression. For example, something along the lines of String validDomainNames = " www.doo.com,*foo.com,*.foo.com,www.foo.com, www.fo.com, *.fo.com"; String validDomainNameRegex = validDomainNames.replaceAll("\\s+", ""); validDomainNameRegex = validDomainNameRegex.replaceAll(",", "|"); validDomainNameRegex = validDomainNameRegex.replaceAll("\\.", "\\\\."); validDomainNameRegex = validDomainNameRegex.replaceAll("\\*", "[0-9a-zA-Z]+"); Pattern pattern = Pattern.compile(validDomainNameRegex); System.out.println(validDomainNameRegex); String[] goodValues = { "www.foo.com", "www1.foo.com", "wwwfoo.com", }; for (String value ...

10. How can I identify a base domain name from a given URL String    forums.oracle.com

I want to compare one URL String to another in order to determine whether or not one domain is local to the other. The problem starts when both domain names are sub-domains. If I have: a.example.com & b.example.com Both are local to example.com, however, I can see no sensible way to programmatically determine this without first compiling a complete list of ...

11. Domain of a URL    forums.oracle.com