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

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On 12/12/16 01:24, Arne Vajhøj wrote:
> 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.
>

It is definitely possible, but it's still good to be aware of the caveats before they cause you problems.

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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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