public class LineReader
extends org.apache.uima.fit.component.JCasCollectionReader_ImplBase

Copyright (c) 2007-2008, Regents of the University of Colorado
All rights reserved.

LineReader is collection reader for cases when you want to read in files line-by-line such that there is one JCas per line.

This class has no relation to LineWriter - i.e. LineReader does not provide "reverse functionality" of LineWriter.

This class is very similar to PlainTextCollectionReader in that it allows you to specify a file or directory from which to read in plain text into a named view with a specified language and encoding. However, instead of reading in entire files as plain text, this collection reader reads in a file line-by-line where each line gets its own JCas.

LineReader uses an interface LineHandler which determines how lines from a file are used to initialize a JCas. The default implementation, DefaultLineHandler, simply expects each line to be plain text and the id of the document will be the number of lines read up to that point (across all files that are being read in.) A second implementation, SimpleLineHandler, assumes that an id for each line is provided in the text of the line and parses it out.