read file content from jar

read_file_from_jar.java

import org.apache.commons.io.IOUtils;

try {
    // approach 1
    String extractProducts = IOUtils.toString(getClass().getResourceAsStream("/extractProducts.js"));
    
    // approach 2
    byte[] bytes = Files.readAllBytes(Paths.get(getClass().getResource("/extractProducts.js").getPath()));
    String js_extractProducts = new String(bytes);
} catch (IOException e) {
    logger.error("cannot find extractProducts.js, exiting...");
}