Question

I want to access to get the string path to my resource key files. If I debug the project in eclipse, everything works like a charm but if I export the project to a runnable .jar file – the project can’t access the key files because the path is wrong.

PUBLIC_KEY_PATH = "src/resources/public.key";
PRIVATE_KEY_PATH = "src/resources/private.key";

But how do I get the right path for the runnable .jar file? I don’t want to get the URL or anything else – I want to get the string path.

I hope that someone can help me.

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Solution:

public static String PUBLIC_KEY_PATH = "/resources/public.key";
public static String PRIVATE_KEY_PATH = "/resources/private.key";

I’m using an InputStream to read the file content:

InputStream in = ExampleClass.class.getResourceAsStream(PUBLIC_KEY_PATH);
ObjectInputStream oin = new ObjectInputStream(new BufferedReader(in));

There we go 😉

Answer 1

You can get an inputStream from the file via Class#getResourceAsStream(). For example:

InputStream is = FooClass.class.getResourceAsStream("public.key");

where you save public.key file in the same directory FooClass.java FooClass.class is located in.