.. java:import:: java.io BufferedReader

.. java:import:: java.io File

.. java:import:: java.io FileReader

.. java:import:: java.io IOException

.. java:import:: java.util LinkedList

.. java:import:: java.util List

FileReadingUtilities
====================

.. java:package:: rsb.util
   :noindex:

.. java:type:: public final class FileReadingUtilities

   Utility class to help reading contents of files.

   :author: jwienke

Methods
-------
readFileLines
^^^^^^^^^^^^^

.. java:method:: public static List<String> readFileLines(File file) throws IOException
   :outertype: FileReadingUtilities

   Reads the complete contents of a file into a list of lines. Any reading error is reported as an \ :java:ref:`IOException`\ .

   :param file: file to read
   :throws IOException: any error reading the file
   :return: file lines

readFirstFileLine
^^^^^^^^^^^^^^^^^

.. java:method:: public static String readFirstFileLine(File file) throws IOException
   :outertype: FileReadingUtilities

   Reads the first line of a file into a string. Any reading error is reported as an \ :java:ref:`IOException`\ . This method is not intended for large files since all lines are read into memory before selecting the first line

   :param file: file to read
   :throws IOException: any error reading the file, also if file is empty
   :return: first file line