/*license*\ XBN-Java Library Copyright (c) 2014, Jeff Epstein (aliteralmind __DASH__ github __AT__ yahoo __DOT__ com) This software is dual-licensed under the: - Lesser General Public License (LGPL) version 3.0 or, at your option, any later version; - Apache Software License (ASL) version 2.0. Either license may be applied at your discretion. More information may be found at - http://en.wikipedia.org/wiki/Multi-licensing. The text of both licenses is available in the root directory of this project, under the names "LICENSE_lgpl-3.0.txt" and "LICENSE_asl-2.0.txt". The latest copies may be downloaded at: - LGPL 3.0: https://www.gnu.org/licenses/lgpl-3.0.txt - ASL 2.0: http://www.apache.org/licenses/LICENSE-2.0.txt \*license*/ package com.github.xbn.examples.io.non_xbn; import java.util.regex.Matcher; import java.util.regex.Pattern; /** <p>Reads through a series of source-code lines, extracting the body in each JavaDoc block (and eliminating the optional asterisk-prefix from each line).</p> <p>{@code java com.github.xbn.examples.io.non_xbn.ExtractJavaDocBody}</p> * @since 0.1.0 * @author Copyright (C) 2014, Jeff Epstein ({@code aliteralmind __DASH__ github __AT__ yahoo __DOT__ com}), dual-licensed under the LGPL (version 3.0 or later) or the ASL (version 2.0). See source code for details. <a href="http://xbnjava.aliteralmind.com">{@code http://xbnjava.aliteralmind.com}</a>, <a href="https://github.com/aliteralmind/xbnjava">{@code https://github.com/aliteralmind/xbnjava}</a> **/ public class ExtractJavaDocBody { public static final void main(String[] ignored) { String LINE_SEP = System.getProperty("line.separator", "\r\n"); StringBuilder input = new StringBuilder(). append("... ").append(LINE_SEP). append("/").append("** ").append(LINE_SEP). append("* Comment section for Asset Record config OnStatusChange").append(LINE_SEP). append("* ").append(LINE_SEP). append("* Updated for HT342408 Set Assetmeters to inactive when the asset they are").append(LINE_SEP). append("* associated with is retired. This will also cause the condition monitoring").append(LINE_SEP). append("* point associated with the meter to be displayed as inactive.").append(LINE_SEP). append("*").append("/ ").append(LINE_SEP). append("... ").append(LINE_SEP). append("/").append("** ").append(LINE_SEP). append("* Another block line 1 ").append(LINE_SEP). append("* ").append(LINE_SEP). append("* Another block line 2 ").append(LINE_SEP). append("* Another block line 3 ").append(LINE_SEP). append("* Another block line 4 ").append(LINE_SEP). append("*").append("/ ").append(LINE_SEP). append("... ").append(LINE_SEP); String[] lines = input.toString().split(LINE_SEP); //"": To reuse matcher Matcher mtchrPostAstrsk = Pattern.compile("^\\*?[ \t]*(.*)$").matcher(""); boolean isBlockStarted = false; for(String line : lines) { line = line.trim(); if(!isBlockStarted) { if(line.startsWith("/" + "*")) { //Assumes body starts on next line isBlockStarted = true; } continue; } else if(line.endsWith("*" + "/")) { isBlockStarted = false; } else { //Block is started mtchrPostAstrsk.reset(line).matches(); //Actually does the match //Trim to eliminate spaces between asterisk and text System.out.println(mtchrPostAstrsk.group(1).trim()); } } } }