public static void consumeLines(File file, Charset charset, Consumer<String> consumer) {
try {
CharSource charSource = com.google.common.io.Files.asCharSource(file, charset);
try (BufferedReader bufferedReader = charSource.openBufferedStream()) {
for (String line; (line = bufferedReader.readLine()) != null; ) {
try {
consumer.accept(line);
} catch (Exception e) {
throw new IllegalStateException(e);
}
}
}
} catch (IOException e) {
throw new IllegalArgumentException(e);
}
}
public static void append(CharSequence from, File to, Charset charset) throws IOException {
com.google.common.io.Files.append(from, to, charset);
}