Java读取ini配置

本文转载地址：

      http://www.cnblogs.com/Jermaine/archive/2010/10/24/1859673.html

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不够通用,呵呵。

读取ini的配置的格式如下：

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[section1] key1=value1   [section2] key2=value2   。。。。

其中可能一个Key对应多个value的情况。

代码如下：

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import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map;   /**  * 类名：读取配置类<br>  * @author Phonnie  *  */ public class ConfigReader {           /**      * 整个ini的引用      */     private Map<String,Map<String, List<String>>>  map = null;     /**      * 当前Section的引用      */     private String currentSection = null;           /**      * 读取      * @param path      */     public ConfigReader(String path) {         map = new HashMap<String, Map<String,List<String>>>();         try {             BufferedReader reader = new BufferedReader(new FileReader(path));             read(reader);         } catch (IOException e) {             e.printStackTrace();             throw new RuntimeException("IO Exception:" + e);         }               }       /**      * 读取文件      * @param reader      * @throws IOException      */     private void read(BufferedReader reader) throws IOException {         String line = null;         while((line=reader.readLine())!=null) {             parseLine(line);         }     }           /**      * 转换      * @param line      */     private void parseLine(String line) {         line = line.trim();         // 此部分为注释         if(line.matches("^\\#.*$")) {             return;         }else if (line.matches("^\\[\\S+\\]$")) {             // section             String section = line.replaceFirst("^\\[(\\S+)\\]$","$1");             addSection(map,section);         }else if (line.matches("^\\S+=.*$")) {             // key ,value             int i = line.indexOf("=");             String key = line.substring(0, i).trim();             String value =line.substring(i + 1).trim();             addKeyValue(map,currentSection,key,value);         }     }         /**      * 增加新的Key和Value      * @param map      * @param currentSection      * @param key      * @param value      */     private void addKeyValue(Map<String, Map<String, List<String>>> map,             String currentSection,String key, String value) {         if(!map.containsKey(currentSection)) {             return;         }                   Map<String, List<String>> childMap = map.get(currentSection);                   if(!childMap.containsKey(key)) {             List<String> list = new ArrayList<String>();             list.add(value);             childMap.put(key, list);         } else {             childMap.get(key).add(value);         }     }         /**      * 增加Section      * @param map      * @param section      */     private void addSection(Map<String, Map<String, List<String>>> map,             String section) {         if (!map.containsKey(section)) {             currentSection = section;             Map<String,List<String>> childMap = new HashMap<String, List<String>>();             map.put(section, childMap);         }     }           /**      * 获取配置文件指定Section和指定子键的值      * @param section      * @param key      * @return      */     public List<String> get(String section,String key){         if(map.containsKey(section)) {             return  get(section).containsKey(key) ?                     get(section).get(key): null;         }         return null;     }                       /**      * 获取配置文件指定Section的子键和值      * @param section      * @return      */     public Map<String, List<String>> get(String section){         return  map.containsKey(section) ? map.get(section) : null;     }           /**      * 获取这个配置文件的节点和值      * @return      */     public Map<String, Map<String, List<String>>> get(){         return map;     }       }