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