private InputStream getFileInputStream() {
        final InputStream stream = getClass().getResourceAsStream(filename);
        if (stream == null) {
            throw new SpeedmentException("Could not find icon: '" + filename + "'.");
        }
        return stream;

    }
An enumeration of all the icons available in the Speedment Icon Package.

@author Emil Forslund
@since 2.2.0
tool-parent/tool-core/src/main/java/com/speedment/tool/core/resource/SpeedmentIcon.java