查看“Java 自定义方法 - CNF”的源代码

Java 常用自定义函数 - CNF

从配置文件中获取 item 定义 name1, name2,...，配置文件格式：
 item.name1=value
 item.name2=value
{| class="wikitable"
|+
!No
!Method
!Explain
!Example
|-
|0
|CNF
|读配置文件，支持全路径，默认当前目录下 config 目录
|CNF cnf1 = new CNF("sys.cnf")
|-
|
|get
|获取指定 key 值或全部值
|
|-
|
|put
|将指定 item 组值放入 MAP
|cnf1.put(dbinfo, "db_" + sType)
|}

 package com.udf.base;
 /*
 ------------------------------------------------------------------------------
   Name     : Udf.base.CNF
   Purpose  : get config
   Author   : Adam
   Revisions:
   Ver        Date        Author           Description
   ---------  ----------  ---------------  ------------------------------------
   1.0        2024/2/7    Adam
 
  format:
     property:
     method  : get, put
 ------------------------------------------------------------------------------
 */
 import org.apache.log4j.Logger;
 
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.InputStream;
 import java.util.HashMap;
 import java.util.Properties;
 
 public class CNF extends BASE {
     public static final String VERSION = "v1.0";
     private static final Properties dCnf = new Properties();
     private static final Logger logger = Logger.getLogger(CNF.class);
 
     public CNF(String sFile) {
         // get config, if not path, default ./config/
         String sPath;
         if (sFile.indexOf('/') >= 0)
             sPath = sFile;
         else
             sPath = System.getProperty("user.dir") + "/config/" + sFile;
 
         // config file contents --> dCnf(Properties)
         try {
             File fFile = new File(sPath);
             if (!fFile.isFile()) {
                 //throw new RuntimeException("File Read Error." + sFile);
                 logger.error(String.format("File %s Read Error.", sFile));
             }else {
                 InputStream is = new FileInputStream(fFile);
                 dCnf.load(is);
                 is.close();
             }
         } catch (Exception e) {
             logger.error(String.valueOf(e));
         }
         //System.out.println(dCnf);
     }
 
     public Properties get() {
         return dCnf;
     }
     public String get(String key) {
         return dCnf.getProperty(key);
     }
     // put {sKey}{sKeyp}* Properties --> map
     public void put(HashMap<String, String> mKV, String sKey, String sKeyp) {
         String str1;
         for (String key : dCnf.stringPropertyNames()) {
             if (key.indexOf(sKey) == 0) {
                 str1 = ltrim(key, sKey);
                 str1 = ltrim(str1, sKeyp);
                 mKV.put(str1, dCnf.getProperty(key));
             }
         }
     }
     // default: item --> item.
     public void put(HashMap<String, String> mKV, String sKey) {
         put(mKV, sKey, ".");
     }
 }

[[分类:Develop]]
[[分类:Java]]