android doesn't recognize org.apache.commons.validator

Question

I want to check the validity of a URL address, so after some research, i find that using apache.commons.validator.UrlValidator class is a good solution to do that, this is an example of code :

 import org.apache.commons.validator.UrlValidator; public class ValidateUrlExample{ public static void main(String[] args) { UrlValidator urlValidator = new UrlValidator(); //valid URL if (urlValidator.isValid("http://www.mkyong.com")) { System.out.println("url is valid"); } else { System.out.println("url is invalid"); } //invalid URL if (urlValidator.isValid("http://invalidURL^$&%$&^")) { System.out.println("url is valid"); } else { System.out.println("url is invalid"); } } }

but android doesn't recognize the class "org.apache.commons.validator" Does anyone know what should I do to fix that ?

Thanks in advance

FYI If you use new URL("putyoururlhere") with a invalid url, it throws a MalformedURLException - maybe you can use it. More info at developer.android.com/reference/java/net/… — ccheneson
– ccheneson, Commented Feb 8, 2012 at 17:20
I tried your solution, I tested it with this string just like that : myurl = new URL(":putyoururlhere") , but it don't throw me the malformedUrlException, but it thrower me a java.lang.StringIndexOutOfBoundsException and Force close the app — Alaoui Ghita
– Alaoui Ghita, Commented Feb 8, 2012 at 18:38

sarnold · Accepted Answer · 2012-03-15 02:03:15Z

7

You can use the method isValidUrl() defined in android.webkit.URLUtil. For example

if (!URLUtil.isValidUrl("yourUrl") // do something

edited Mar 15, 2012 at 2:03

sarnold

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answered Mar 14, 2012 at 17:09

claudio ochoa

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1 Comment

sarnold Over a year ago

@Martin: it is usually best if your edits can be made as 'quiet' as possible; for example, I inlined the URL into the first reference of the method.

Mike Bockus · Accepted Answer · 2012-02-08 17:39:15Z

1

If you still want to use the apache commons validator library, then you just need to download the library and package it with your app.

answered Feb 8, 2012 at 17:39

Mike Bockus

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3 Comments

Alaoui Ghita Over a year ago

thank you, however, I need to know if i should download the binary or the source file ? and also where to package it in my app ? Thank you for your time

Mike Bockus Over a year ago

Download the binary file and extract the commons-validator-1.4.0.jar file. Details on how to add the library to your app can be found here.

Alaoui Ghita Over a year ago

I realized that this class "org.apache.commons.validator" is deprecated, so I had rather import the new version : instead of that : import org.apache.commons.validator.UrlValidator; I did that : import org.apache.commons.validator.routines.UrlValidator;

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