Mon, 02 Jul 2018 16:43:07 +0100
Merge
1 /*
2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * - Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * - Neither the name of Oracle nor the names of its
16 * contributors may be used to endorse or promote products derived
17 * from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
20 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
26 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
27 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
28 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
32 // Find the file with maximum number of lines
34 var Files = Java.type("java.nio.file.Files");
35 var Integer = Java.type("java.lang.Integer");
36 var Paths = Java.type("java.nio.file.Paths");
38 var file = arguments.length == 0? "." : arguments[0];
39 var ext = arguments.length > 1? arguments[1] : ".java";
40 var path = Paths.get(file);
42 // return number of lines in given Path (that represents a file)
43 function lines(p) {
44 var strm = Files.lines(p);
45 try {
46 return strm.count();
47 } finally {
48 strm.close();
49 }
50 }
52 // walk files, map to file and lines, find the max
53 var obj = Files.find(path, Integer.MAX_VALUE,
54 function(p, a) !p.toFile().isDirectory() && p.toString().endsWith(ext)).
55 map(function(p) ({ path : p, lines: lines(p) })).
56 max(function(x, y) x.lines - y.lines).get();
58 // print path and lines of the max line file
59 print(obj.path, obj.lines);