39 lines
1.0 KiB
Java
39 lines
1.0 KiB
Java
// streams/FileToWordsRegexp.java
|
|
// (c)2016 MindView LLC: see Copyright.txt
|
|
// We make no guarantees that this code is fit for any purpose.
|
|
// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
|
|
import java.io.*;
|
|
import java.nio.file.*;
|
|
import java.util.stream.*;
|
|
import java.util.regex.Pattern;
|
|
|
|
public class FileToWordsRegexp {
|
|
private String all;
|
|
public FileToWordsRegexp(String filePath)
|
|
throws Exception {
|
|
all = Files.lines(Paths.get(filePath))
|
|
.skip(1) // First (comment) line
|
|
.collect(Collectors.joining(" "));
|
|
}
|
|
public Stream<String> stream() {
|
|
return Pattern.compile("[ .,?]+").splitAsStream(all);
|
|
}
|
|
public static void
|
|
main(String[] args) throws Exception {
|
|
FileToWordsRegexp fw =
|
|
new FileToWordsRegexp("Cheese.dat");
|
|
fw.stream()
|
|
.limit(7)
|
|
.map(w -> w + " ")
|
|
.forEach(System.out::print);
|
|
fw.stream()
|
|
.skip(7)
|
|
.limit(2)
|
|
.map(w -> w + " ")
|
|
.forEach(System.out::print);
|
|
}
|
|
}
|
|
/* Output:
|
|
Not much of a cheese shop really is it
|
|
*/
|