jre
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jre/8
netscape
org
launcher
javafx
com
javax
java
io
nio
math
applet
security
time
util
net
beans
IndexedPropertyDescriptor.java
VetoableChangeListenerProxy.java
Introspector.java
Transient.java
NameGenerator.java
PropertyVetoException.java
Visibility.java
PropertyChangeListenerProxy.java
PropertyChangeListener.java
MetaData.java
MethodDescriptor.java
Statement.java
Customizer.java
BeanInfo.java
BeanDescriptor.java
PropertyDescriptor.java
IntrospectionException.java
Expression.java
FeatureDescriptor.java
VetoableChangeListener.java
PropertyChangeEvent.java
PropertyEditor.java
ConstructorProperties.java
AppletInitializer.java
XMLEncoder.java
SimpleBeanInfo.java
Beans.java
EventHandler.java
IndexedPropertyChangeEvent.java
PropertyChangeSupport.java
VetoableChangeSupport.java
ThreadGroupContext.java
ExceptionListener.java
Encoder.java
ChangeListenerMap.java
PropertyEditorSupport.java
EventSetDescriptor.java
PropertyEditorManager.java
WeakIdentityMap.java
XMLDecoder.java
ParameterDescriptor.java
PersistenceDelegate.java
MethodRef.java
DesignMode.java
beancontext
DefaultPersistenceDelegate.java
sql
text
awt
lang
rmi
ThreadGroupContext.java
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类结构
/* * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package java.beans; import com.sun.beans.finder.
BeanInfoFinder
; import com.sun.beans.finder.
PropertyEditorFinder
; import java.awt.
GraphicsEnvironment
; import java.util.
Map
; import java.util.
WeakHashMap
; /** * The {@code ThreadGroupContext} is an application-dependent * context referenced by the specific {@link ThreadGroup}. * This is a replacement for the {@link sun.awt.AppContext}. * * @author Sergey Malenkov */ final class
ThreadGroupContext
{ private static final
WeakIdentityMap
<
ThreadGroupContext
>
contexts
= new
WeakIdentityMap
<
ThreadGroupContext
>() { protected
ThreadGroupContext
create
(
Object
key
) { return new
ThreadGroupContext
(); } }; /** * Returns the appropriate {@code ThreadGroupContext} for the caller, * as determined by its {@code ThreadGroup}. * * @return the application-dependent context */ static
ThreadGroupContext
getContext
() { return
contexts
.
get
(
Thread
.
currentThread
().
getThreadGroup
()); } private volatile boolean
isDesignTime
; private volatile
Boolean
isGuiAvailable
; private
Map
<
Class
<?>,
BeanInfo
>
beanInfoCache
; private
BeanInfoFinder
beanInfoFinder
; private
PropertyEditorFinder
propertyEditorFinder
; private
ThreadGroupContext
() { } boolean
isDesignTime
() { return this.
isDesignTime
; } void
setDesignTime
(boolean
isDesignTime
) { this.
isDesignTime
=
isDesignTime
; } boolean
isGuiAvailable
() {
Boolean
isGuiAvailable
= this.
isGuiAvailable
; return (
isGuiAvailable
!= null) ?
isGuiAvailable
.
booleanValue
() : !
GraphicsEnvironment
.
isHeadless
(); } void
setGuiAvailable
(boolean
isGuiAvailable
) { this.
isGuiAvailable
=
Boolean
.
valueOf
(
isGuiAvailable
); }
BeanInfo
getBeanInfo
(
Class
<?>
type
) { return (this.
beanInfoCache
!= null) ? this.
beanInfoCache
.
get
(
type
) : null; }
BeanInfo
putBeanInfo
(
Class
<?>
type
,
BeanInfo
info
) { if (this.
beanInfoCache
== null) { this.
beanInfoCache
= new
WeakHashMap
<>(); } return this.
beanInfoCache
.
put
(
type
,
info
); } void
removeBeanInfo
(
Class
<?>
type
) { if (this.
beanInfoCache
!= null) { this.
beanInfoCache
.
remove
(
type
); } } void
clearBeanInfoCache
() { if (this.
beanInfoCache
!= null) { this.
beanInfoCache
.
clear
(); } } synchronized
BeanInfoFinder
getBeanInfoFinder
() { if (this.
beanInfoFinder
== null) { this.
beanInfoFinder
= new
BeanInfoFinder
(); } return this.
beanInfoFinder
; } synchronized
PropertyEditorFinder
getPropertyEditorFinder
() { if (this.
propertyEditorFinder
== null) { this.
propertyEditorFinder
= new
PropertyEditorFinder
(); } return this.
propertyEditorFinder
; } }
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