public String resolveLastaEnvPath(String envPath) { if (envPath == null) { throw new IllegalArgumentException("The argument 'envPath' should not be null."); } final String lastaEnv = getLastaEnv(); if (lastaEnv != null && envPath.contains("_env.")) { // e.g. maihama_env.properties to maihama_env_prod.properties final String front = LdiSrl.substringLastFront(envPath, "_env."); final String rear = LdiSrl.substringLastRear(envPath, "_env."); return front + "_env_" + lastaEnv + "." + rear; } else { return envPath; } }