| /* |
| * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * - Neither the name of Oracle nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
| * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| // Find the file with maximum number of lines |
| |
| var Files = Java.type("java.nio.file.Files"); |
| var Integer = Java.type("java.lang.Integer"); |
| var Paths = Java.type("java.nio.file.Paths"); |
| |
| var file = arguments.length == 0? "." : arguments[0]; |
| var ext = arguments.length > 1? arguments[1] : ".java"; |
| var path = Paths.get(file); |
| |
| // return number of lines in given Path (that represents a file) |
| function lines(p) { |
| var strm = Files.lines(p); |
| try { |
| return strm.count(); |
| } finally { |
| strm.close(); |
| } |
| } |
| |
| // walk files, map to file and lines, find the max |
| var obj = Files.find(path, Integer.MAX_VALUE, |
| function(p, a) !p.toFile().isDirectory() && p.toString().endsWith(ext)). |
| map(function(p) ({ path : p, lines: lines(p) })). |
| max(function(x, y) x.lines - y.lines).get(); |
| |
| // print path and lines of the max line file |
| print(obj.path, obj.lines); |