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SingletonRegistry.java.svn-base
资源名称:cindyblog.rar [点击查看]
上传用户:cdpainuo
上传日期:2022-07-12
资源大小:5257k
文件大小:1k
源码类别:
Jsp/Servlet
开发平台:
Java
- package com.appspot.cindyblog.util;
- import java.util.HashMap;
- public class SingletonRegistry {
- public static SingletonRegistry REGISTRY = new SingletonRegistry();
- private static HashMap<String,Object> map = new HashMap<String,Object>();
- protected SingletonRegistry() {
- // Exists to defeat instantiation
- }
- public static synchronized Object getInstance(String classname) {
- Object singleton = map.get(classname);
- if(singleton != null) {
- return singleton;
- }try {
- singleton = Class.forName(classname).newInstance();
- }
- catch(ClassNotFoundException cnf){}
- catch(InstantiationException ie) {}
- catch(IllegalAccessException ia) {}
- map.put(classname, singleton);
- return singleton;
- }
- }