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Re: How do I get the name and path of the running jar file?

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From	Arne Vajhøj <arne@vajhoej.dk>
Newsgroups	comp.lang.java.programmer
Subject	Re: How do I get the name and path of the running jar file?
Date	Sun, 11 Dec 2016 20:24:29 -0500
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On 12/8/2016 8:20 AM, Nigel Wade wrote:
> On 07/12/16 02:18, Arne Vajhøj wrote:
>> You will get the full name including path of the jar with one of the
>> following:
>>
>> String path =
>> MyClass.class.getProtectionDomain().getCodeSource().getLocation().getPath();
>>
>>
>> String path =
>> MyClass.class.getClassLoader().getResource("mypackage/MyClass.class").getPath();
>>
>>
>> The format is sligthly different. The first is probably more convenient
>> as you would not need to truncate at the '!'.
>
> Both methods CodeSource.getLocation() and  ClassLoader.getResource()
> return a URL, which will be URL encoded. So the path ought to be
> URLdecode'd otherwise there may be problems with any characters in the
> path which URL has encoded.
>
> Also, in the case of ClassLoader.getResource(), when executed from a jar
> it will be of type "jar", and from class files it will be of type
> "file". This will probably come into play when you run the code in an
> IDE. NetBeans (I don't know about Eclipe) runs class files, not jars.
> You will probably need to handle each case differently.

Good points.

But it should be possible to extract the information in the desired
format.

Arne

Thread

How do I get the name and path of the running jar file? triciac.1999.p@gmail.com - 2016-12-06 12:41 -0800
  Re: How do I get the name and path of the running jar file? Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-12-06 16:07 -0500
    Re: How do I get the name and path of the running jar file? Tricia Cahill <triciac.1999.p@gmail.com> - 2016-12-06 14:22 -0800
  Re: How do I get the name and path of the running jar file? Arne Vajhøj <arne@vajhoej.dk> - 2016-12-06 21:18 -0500
    Re: How do I get the name and path of the running jar file? Nigel Wade <nmw@local.domain> - 2016-12-08 13:20 +0000
      Re: How do I get the name and path of the running jar file? Arne Vajhøj <arne@vajhoej.dk> - 2016-12-11 20:24 -0500
        Re: How do I get the name and path of the running jar file? Nigel Wade <nmw@local.domain> - 2016-12-12 09:51 +0000
          Re: How do I get the name and path of the running jar file? Arne Vajhøj <arne@vajhoej.dk> - 2016-12-12 20:25 -0500
    Re: How do I get the name and path of the running jar file? Wayne <wayne@nospam.invalid> - 2016-12-09 01:50 -0500
      Re: How do I get the name and path of the running jar file? Arne Vajhøj <arne@vajhoej.dk> - 2016-12-11 20:10 -0500
  Re: How do I get the name and path of the running jar file? Silvio <silvio@internet.com> - 2016-12-07 22:06 +0100
  Re: How do I get the name and path of the running jar file? lingmaaki@gmail.com - 2017-05-22 23:22 -0700

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