Here you can find the source of isCommentOrEmptyLine(int lineIndex, List
public static boolean isCommentOrEmptyLine(int lineIndex, List<String> linesOfFile)
//package com.java2s; /*//from ww w .j av a2s. com * Copyright (C) 2003-2013 eXo Platform SAS. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 3 of * the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ import java.util.List; public class Main { public static boolean isCommentOrEmptyLine(int lineIndex, List<String> linesOfFile) { if (linesOfFile == null || linesOfFile.isEmpty()) return true; String lineStr = ""; try { lineStr = linesOfFile.get(lineIndex).trim(); } catch (Exception e) { return false; } if (lineStr.length() == 0) return true; if (lineStr.indexOf("//") == 0 || lineStr.indexOf("/*") == 0 || lineStr.indexOf("*/") >= 0) return true; int checkIndex = lineIndex - 1; while (checkIndex >= 0) { String previousLineString = linesOfFile.get(checkIndex).trim(); if (previousLineString.indexOf("/*") == 0) return true; if (previousLineString.indexOf("*/") >= 0) return false; checkIndex--; } return false; } }