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Re: How to include a text file in my executable JAR file?

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Try:
URLConnection con = myUrl.openConnection();
InputStream in = con.getInputStream();

You can then copy from the in, via a Java loop.

zyng schrieb:
> Hi:
>
> My Java program needs to access a text file(in fact, the Java code will use Linux System command "cp" to copy this text file to a destination folder during running). Suppose this is my Java program HelloWorld.java:
>
> package aa.bb.cc;
>
> public class HelloWorld
> {
>      ...
>
>      public static void main(final String[] args)
>      {
>          final URL myUrl = this.getClass().getClassLoader().getResource("namelist.txt");
>
>          final File nameFile = new File(myUrl.getPath());
>          if(windowlayoutFile.exists() == false)
>          {
>              System.out.println(nameFile.getAbsolutePath() + " does not exist!!!");
>          }
>          else
>          {
>              System.out.println(nameFile.getAbsolutePath() + " exists");
>          }
>      }
> }
>
> This is the directory and file structure in my file system:
> /HOME/java_project/src/aa/bb/cc/HelloWorld.java
> /HOME/java_project/build/aa/bb/cc/HelloWorld.class
> /HOME/java_project/nonsrc/namelist.txt
>
> In Eclipse, I have added nonsrc as "external class folder" and the code above works! The output is:
> /HOME/java_project/nonsrc/windowlayout.xml exists
> I am still not clear why use "external class folder", but it works in Eclipse.
>
> Now, my problem is when creating an executable JAR file(helloworld.jar), my JAR content is(shown by the command "jar tf helloworld.jar"):
> aa/bb/cc/HelloWorld.class
> namelist.txt
>
> Now, if i am at /HOME/test directory and the JAR file is here too:
> java -jar helloworld.jar
>
> This is the confusing output:
> /HOME/test/file:/HOME/test/robot.jar!/namelist.txt does not exist!!!
>
> The answers by Google just do not give me a clear whole picture of what is going on. (I don't want to put namelist.txt at the same package location as HelloWorld.java. I guess, if I do that, I maybe able to make it work by myself)
>
> I am surprised by an exclamation shown in the file path too. I have never used the class URL in the past, which is used in my code now.
>
> Thank you very much.
>
>

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Thread

How to include a text file in my executable JAR file? zyng <xsli2@yahoo.com> - 2012-08-23 08:01 -0700
  Re: How to include a text file in my executable JAR file? zyng <xsli2@yahoo.com> - 2012-08-23 08:04 -0700
  Re: How to include a text file in my executable JAR file? Jan Burse <janburse@fastmail.fm> - 2012-08-23 17:23 +0200
    Re: How to include a text file in my executable JAR file? Jeff Higgins <jeff@invalid.invalid> - 2012-08-23 11:51 -0400
      Re: How to include a text file in my executable JAR file? Jeff Higgins <jeff@invalid.invalid> - 2012-08-23 11:53 -0400
  Re: How to include a text file in my executable JAR file? Lew <lewbloch@gmail.com> - 2012-08-23 13:43 -0700
  Re: How to include a text file in my executable JAR file? Roedy Green <see_website@mindprod.com.invalid> - 2012-08-23 14:00 -0700

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