Method getResource

corpus/java/training/guava/io/Resources.java:190–200

Returns a URL pointing to resourceName if the resource is found using the plain Thread#getContextClassLoader() context class loader. In simple environments, the context class loader will find resources from the class path. In environments where different threads can have diffe

(String resourceName)

   * @throws IllegalArgumentException if the resource is not found
   */
  @CanIgnoreReturnValue // being used to check if a resource exists
  // TODO(cgdecker): maybe add a better way to check if a resource exists
  // e.g. Optional<URL> tryGetResource or boolean resourceExists
  public static URL getResource(String resourceName) {
    ClassLoader loader =
        MoreObjects.firstNonNull(
            Thread.currentThread().getContextClassLoader(), Resources.class.getClassLoader());
    URL url = loader.getResource(resourceName);
    checkArgument(url != null, "resource %s not found.", resourceName);
    return url;
  }

  /**
   * Given a {@code resourceName} that is relative to {@code contextClass}, returns a {@code URL}