JAVA访问配置文件总结

一、全局配置的简单 propertie 文件实现

 package com.testgs.utils;

 import java.util.*;
 import java.io.*;

 public final class ARConfig {

     private Properties conf = new Properties();
     private String prefix = "";
     /**
      * 全局配置文件名
      */
     public static final String GLOBAL_CONF_FILE = "/analysisReportConfig.properties";

     public ARConfig(String prefix) {
         this.prefix = prefix;
         loadConf();
     }

     /**
      * 取得属性文件实例
      * @param prefix 各数据库连接前缀
      * @return
      */
     public synchronized static ARConfig getInstance(String prefix) {
         return new ARConfig(prefix);
     }

     public String getConfString(String name, String defaultValue) {
         String result = getConfString(name);
         result = (result == null) ? defaultValue : result;
         return result;
     }

     /**读取配置信息的 boolean 值
      * @param name
      * @param defaultValue
      * @return
      */
     public boolean getConfBoolean(String name, boolean defaultValue) {
         boolean result = defaultValue;
         String value = getConfString(name);
         if (value != null) {
             value = value.toLowerCase();
             result = value.equalsIgnoreCase("true") || value.equalsIgnoreCase("yes");
         }
         return result;
     }

     /**读取配置信息的 boolean 值,如果没有，默认为 false
      * @param name
      * @return
      */
     public boolean getConfBoolean(String name) {
         return getConfBoolean(name, false);
     }

     /**
      * 读取配置信息的 int 值
      * @param name
      * @param defaultValue
      * @return
      */
     public int getConfigInt(String name, int defaultValue) {
         String intV = getConfString(name);
         int result = defaultValue;
         if (intV != null) {
             try {
                 result = Integer.parseInt(intV.trim());
             } catch (Exception e) {
                 e.printStackTrace();
             }
         }
         return result;
     }

     public String getConfString(String name) {
         name = this.prefix + name;
         return conf.getProperty(name);
     }

     protected synchronized void loadConf() {
         conf.clear();
         InputStream input = null;
         try {
             input = this.getClass().getResourceAsStream(GLOBAL_CONF_FILE);
             conf.load(input);
         } catch (IOException e) {
             throw new RuntimeException("找不到配置文件： " + GLOBAL_CONF_FILE);
         } finally {
             if (input != null)
                 try {
                     input.close();
                 } catch (Exception closeE) {
                 }
         }
     }
 }

访问 properties 文件

更新中。。。