/** * 去除ini文件中的注释,以";"或"#"开头,顺便去除UTF-8等文件的BOM头 * @param source * @return */ private static String removeIniComments(String source){ String result = source; if(result.contains(";")){ result = result.substring(0, result.indexOf(";")); } if(result.contains("#")){ result = result.substring(0, result.indexOf("#")); } //去除UTF-8的BOM!!!用Windows中的编辑器保存UTF-8文件,在文件的第一个字符就是这个!!! if(result.startsWith("\uFEFF")){ //result = result.substring(1); result = result.replace("\uFEFF", ""); } return result.trim(); } /** * 读取 INI 文件,存放到Map中 * * 支持以‘#’或‘;’开头的注释; * 支持行连接符(行末的'\'标记); * 支持缺省的global properties; * 支持list格式(非name=value格式处理为list格式); * 支持空行、name/value前后的空格; * 如果有重名,取最后一个; * * 格式(例子)如下 * * # 我是注释 * ; 我也是注释 * * name0=value0 # 我是global properties * name10=value10 * * [normal section] # 我是普通的section * name1=value1 # 我是name和value * * [list section] # 我是只有value的section,以第一个是否包含'='为判断标准 * value1 * value2 * * @param fileName * @return Map<sectionName, object> object是一个Map(存放name=value对)或List(存放只有value的properties) */ public static Map<String, Object> readIniFile(String fileName){ Map<String, List<String>> listResult = new HashMap<>(); Map<String, Object> result = new HashMap<>(); String globalSection = "global"; //Map中存储的global properties的key File file = new File(fileName); BufferedReader reader = null; try { reader = new BufferedReader(new FileReader(file)); //reader = new BufferedReader(new InputStreamReader(new FileInputStream(file),"windows-1256")); String str = null; String currentSection = globalSection; //处理缺省的section List<String> currentProperties = new ArrayList<>(); boolean lineContinued = false; String tempStr = null; //一次读入一行(非空),直到读入null为文件结束 //先全部放到listResult<String, List>中 while ((str = reader.readLine()) != null) { str = removeIniComments(str).trim(); //去掉尾部的注释、去掉首尾空格 if("".equals(str)||str==null){ continue; } //如果前一行包括了连接符'\' if(lineContinued == true){ str = tempStr + str; } //处理行连接符'\' if(str.endsWith("\\")){ lineContinued = true; tempStr = str.substring(0,str.length()-1); continue; }else { lineContinued = false; } //是否一个新section开始了 if(str.startsWith("[") && str.endsWith("]")){ String newSection = str.substring(1, str.length()-1).trim(); //如果新section不是现在的section,则把当前section存进listResult中 if(!currentSection.equals(newSection)){ listResult.put(currentSection, currentProperties); currentSection = newSection; //新section是否重复的section //如果是,则使用原来的list来存放properties //如果不是,则new一个List来存放properties currentProperties=listResult.get(currentSection); if(currentProperties==null){ currentProperties = new ArrayList<>(); } } }else{ currentProperties.add(str); } } //把最后一个section存进listResult中 listResult.put(currentSection, currentProperties); reader.close(); } catch (IOException e) { e.printStackTrace(); } finally { if (reader != null) { try { reader.close(); } catch (IOException e1) { } } } //整理拆开name=value对,并存放到MAP中: //从listResult<String, List>中,看各个list中的元素是否包含等号“=”,如果包含,则拆开并放到Map中 //整理后,把结果放进result<String, Object>中 for(String key : listResult.keySet()){ List<String> tempList = listResult.get(key); //空section不放到结果里面 if(tempList==null||tempList.size()==0){ continue; } if(tempList.get(0).contains("=")){ //name=value对,存放在MAP里面 Map<String, String> properties = new HashMap<>(); for(String s : tempList){ int delimiterPos = s.indexOf("="); //处理等号前后的空格 properties.put(s.substring(0,delimiterPos).trim(), s.substring(delimiterPos+1, s.length()).trim()); } result.put(key, properties); }else{ //只有value,则获取原来的list result.put(key, listResult.get(key)); } } return result; } @SuppressWarnings("unchecked") public static void main(String[] args) { Map<String, Object> ini = readIniFile("D:/test.ini"); for(String k : ini.keySet()){ System.out.println(k + ini.get(k)); } System.out.println(((Map<String, String>)ini.get("myInfo")).get("myName")); }
;我是 #注释 # global section a=a_value b = b_value [section1] #section1注释 c=c_value c1=c1_value d=d_value0&d_value1 [list_section1] ;section2注释 list1 list2 list3.1&list3.2&list3.3 [section1] #重复的section e = e_value=eee f=f_value [ myInfo ] myName=老许 [list_section2] url1 url2aldfjkjhlxmclk98u230jdslkmfsdlk2039840237509i09is0f980934285==234u093
list_section2[url1, url2aldfjkjhlxmclk98u230jdslkmfsdlk2039840237509i09is0f980934285==234u093] global{b=b_value, a=a_value} list_section1[list1, list2, list3.1&list3.2&list3.3] section1{f=f_value, d=d_value0&d_value1, e=e_value=eee, c1=c1_value, c=c_value} myInfo{myName=老许} 老许
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原文地址:http://blog.csdn.net/clementad/article/details/47172315