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SingletonRegistry.java.svn-base
Package: cindyblog.rar [view]
Upload User: cdpainuo
Upload Date: 2022-07-12
Package Size: 5257k
Code Size: 1k
Category:
Jsp/Servlet
Development Platform:
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;
- }
- }