com.vip.vjtools.vjkit.base

Class SystemPropertiesUtil.ListenableProperties

java.lang.Object

java.util.Dictionary<K,V>

java.util.Hashtable<Object,Object>

java.util.Properties

com.vip.vjtools.vjkit.base.SystemPropertiesUtil.ListenableProperties

All Implemented Interfaces:

Serializable, Cloneable, Map<Object,Object>

Enclosing class:

SystemPropertiesUtil

public static class SystemPropertiesUtil.ListenableProperties
extends Properties

Properties 本质上是一个HashTable，每次读写都会加锁，所以不支持频繁的System.getProperty(name)来检查系统内容变化 因此扩展了Properties子类, 在其所关心的属性变化时进行通知.

See Also:

SystemPropertiesUtil.PropertiesListener, Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected List<SystemPropertiesUtil.PropertiesListener>	listeners

Fields inherited from class java.util.Properties

defaults

Constructor Summary

Constructors

Constructor and Description
SystemPropertiesUtil.ListenableProperties(Properties properties)

Method Summary

Methods

Modifier and Type	Method and Description
void	register(SystemPropertiesUtil.PropertiesListener listener)
Object	setProperty(String key, String value)

Methods inherited from class java.util.Properties

getProperty, getProperty, list, list, load, load, loadFromXML, propertyNames, save, store, store, storeToXML, storeToXML, stringPropertyNames

Methods inherited from class java.util.Hashtable

clear, clone, contains, containsKey, containsValue, elements, entrySet, equals, get, hashCode, isEmpty, keys, keySet, put, putAll, rehash, remove, size, toString, values

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

listeners

protected transient List<SystemPropertiesUtil.PropertiesListener> listeners

Constructor Detail

SystemPropertiesUtil.ListenableProperties

public SystemPropertiesUtil.ListenableProperties(Properties properties)

Method Detail

register

public void register(SystemPropertiesUtil.PropertiesListener listener)

setProperty

public Object setProperty(String key,
                 String value)

Overrides:

setProperty in class Properties