Exporting Images with JAR in Eclipse (Java)

Question

I\'ve been working on a little project that requires external images for display. I\'m not all that familiar with how to use Eclipse and this is my first time attempting to

Answer 1

If you're using JDK 1.7 or JDK 1.8, you might want to use the NIO.2 API.

for (FileSystemProvider provider : FileSystemProvider.installedProviders()) {
    if ("jar".equals(provider.getScheme()))
        return provider.newFileSystem((new File(Start.class
                .getProtectionDomain().getCodeSource().getLocation().toURI()))
                .toPath(), new HashMap());
}

If you enter this code into a method that returns a java.nio.file.FileSystem, you can call the method to get the FileSystem for the JAR file.

To get the path to access the files inside your JAR file, you can use the following method, which then allows you to read the files however you may want.

fileSystem.getPath("/images/image.gif")

---

If you would like to be able to run this in Eclipse, make sure you surround the call to the method with a try/catch IOException and assign to your FileSystem object the following.

new File(Start.class.getProtectionDomain().getCodeSource().getLocation().toURI())
        .toPath().toString();

This will allow you to run your program whether it's compressed into a JAR file or not.

---

I recommend you get used to using NIO.2, since it is a very powerful API.