属性配置文件工具类

来源：互联网发布：jiragn 类似的软件编辑：程序博客网时间：2024/05/16 06:17
package com.struts2.jquery.utils;import java.io.FileInputStream;import java.io.IOException;import java.io.InputStream;import java.util.Properties;import org.apache.log4j.Logger;/** *  * <p>Title: crm</p> * * <p>Description: 操作属性配置文件工具类</p> * * <p>Copyright: Copyright (c) 2008</p> * * <p>Company: Newland</p> * * @author yaoxj * @version 1.0  2008-12-26 */public final class PropertiesUtils{  private static Logger log = Logger.getLogger(PropertiesUtils.class);  private static PropertiesUtils properUtils = null;  private static Properties prop = new Properties();  static  {  _load();  }  private PropertiesUtils() {    _load();  }  public static PropertiesUtils getInstance() {  _load();    return properUtils;    }     private static void _load() {   prop.clear();  InputStream ips=null;  try {ips=getResourceAsStream("crm.properties");prop.load(ips);} catch (Exception e) {log.error("无法载入属性配置文件！", e);}finally{try {if(ips!=null){ips.close();ips=null;}} catch (IOException e) {e.printStackTrace();}}  } private static InputStream getResourceAsStream(String resource) throws IOException {    InputStream in = PropertiesUtils.class.getClassLoader().getResourceAsStream(resource);    if(in == null){      in = ClassLoader.getSystemResourceAsStream(resource);    }    if(in == null){      in = new FileInputStream(resource);    }    if(in == null)      throw new IOException("无法读取资源文件: " + resource);    return in;}  public static String getPropsValue(String key) { String value = "";    if (prop.containsKey(key))      value = prop.getProperty(key);    else      log.equals("属性文件中没有包含这个属性！");    return value;  }  public static String getPropsValue_Default(String key, String defaultValue)  {    return prop.getProperty(key, defaultValue);  }  }
0 0