javax.swing

Class UIDefaults

java.lang.Object

java.util.Dictionary<K,V>

java.util.Hashtable<Object,Object>

javax.swing.UIDefaults

All Implemented Interfaces:

Serializable, Cloneable, Map<Object,Object>

public class UIDefaults
extends Hashtable<Object,Object>

A table of defaults for Swing components. Applications can set/get default values via the UIManager.

Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans™ has been added to the java.beans package. Please see XMLEncoder.

See Also:

UIManager

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	UIDefaults.ActiveValue	This class enables one to store an entry in the defaults table that's constructed each time it's looked up with one of the getXXX(key) methods.
static class	UIDefaults.LazyInputMap	LazyInputMap will create a InputMap in its createValue method.
static interface	UIDefaults.LazyValue	This class enables one to store an entry in the defaults table that isn't constructed until the first time it's looked up with one of the getXXX(key) methods.
static class	UIDefaults.ProxyLazyValue	This class provides an implementation of LazyValue which can be used to delay loading of the Class for the instance to be created.

Constructor Summary

Constructors

Constructor	Description
UIDefaults()	Creates an empty defaults table.
UIDefaults(int initialCapacity, float loadFactor)	Creates an empty defaults table with the specified initial capacity and load factor.
UIDefaults(Object[] keyValueList)	Creates a defaults table initialized with the specified key/value pairs.

Method Summary

Modifier and Type	Method	Description
void	addPropertyChangeListener(PropertyChangeListener listener)	Adds a PropertyChangeListener to the listener list.
void	addResourceBundle(String bundleName)	Adds a resource bundle to the list of resource bundles that are searched for localized values.
protected void	firePropertyChange(String propertyName, Object oldValue, Object newValue)	Support for reporting bound property changes.
Object	get(Object key)	Returns the value for key.
Object	get(Object key, Locale l)	Returns the value for key associated with the given locale.
boolean	getBoolean(Object key)	If the value of key is boolean, return the boolean value, otherwise return false.
boolean	getBoolean(Object key, Locale l)	If the value of key for the given Locale is boolean, return the boolean value, otherwise return false.
Border	getBorder(Object key)	If the value of key is a Border return it, otherwise return null.
Border	getBorder(Object key, Locale l)	If the value of key for the given Locale is a Border return it, otherwise return null.
Color	getColor(Object key)	If the value of key is a Color return it, otherwise return null.
Color	getColor(Object key, Locale l)	If the value of key for the given Locale is a Color return it, otherwise return null.
Locale	getDefaultLocale()	Returns the default locale.
Dimension	getDimension(Object key)	If the value of key is a Dimension return it, otherwise return null.
Dimension	getDimension(Object key, Locale l)	If the value of key for the given Locale is a Dimension return it, otherwise return null.
Font	getFont(Object key)	If the value of key is a Font return it, otherwise return null.
Font	getFont(Object key, Locale l)	If the value of key for the given Locale is a Font return it, otherwise return null.
Icon	getIcon(Object key)	If the value of key is an Icon return it, otherwise return null.
Icon	getIcon(Object key, Locale l)	If the value of key for the given Locale is an Icon return it, otherwise return null.
Insets	getInsets(Object key)	If the value of key is an Insets return it, otherwise return null.
Insets	getInsets(Object key, Locale l)	If the value of key for the given Locale is an Insets return it, otherwise return null.
int	getInt(Object key)	If the value of key is an Integer return its integer value, otherwise return 0.
int	getInt(Object key, Locale l)	If the value of key for the given Locale is an Integer return its integer value, otherwise return 0.
PropertyChangeListener[]	getPropertyChangeListeners()	Returns an array of all the PropertyChangeListeners added to this UIDefaults with addPropertyChangeListener().
String	getString(Object key)	If the value of key is a String return it, otherwise return null.
String	getString(Object key, Locale l)	If the value of key for the given Locale is a String return it, otherwise return null.
ComponentUI	getUI(JComponent target)	Creates an ComponentUI implementation for the specified component.
Class<? extends ComponentUI>	getUIClass(String uiClassID)	Returns the L&F class that renders this component.
Class<? extends ComponentUI>	getUIClass(String uiClassID, ClassLoader uiClassLoader)	The value of get(uidClassID) must be the String name of a class that implements the corresponding ComponentUI class.
protected void	getUIError(String msg)	If getUI() fails for any reason, it calls this method before returning null.
Object	put(Object key, Object value)	Sets the value of key to value for all locales.
void	putDefaults(Object[] keyValueList)	Puts all of the key/value pairs in the database and unconditionally generates one PropertyChangeEvent.
void	removePropertyChangeListener(PropertyChangeListener listener)	Removes a PropertyChangeListener from the listener list.
void	removeResourceBundle(String bundleName)	Removes a resource bundle from the list of resource bundles that are searched for localized defaults.
void	setDefaultLocale(Locale l)	Sets the default locale.

Methods inherited from class java.util.Hashtable

clear, clone, compute, computeIfAbsent, computeIfPresent, contains, containsKey, containsValue, elements, entrySet, equals, forEach, getOrDefault, hashCode, isEmpty, keys, keySet, merge, putAll, putIfAbsent, rehash, remove, remove, replace, replace, replaceAll, size, toString, values

Methods inherited from class java.lang.Object

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

Constructor Detail

UIDefaults

public UIDefaults()

Creates an empty defaults table.

UIDefaults

public UIDefaults(int initialCapacity,
                  float loadFactor)

Creates an empty defaults table with the specified initial capacity and load factor.

Parameters:

initialCapacity - the initial capacity of the defaults table

loadFactor - the load factor of the defaults table

Since:

1.6

See Also:

Hashtable

UIDefaults

public UIDefaults(Object[] keyValueList)

Creates a defaults table initialized with the specified key/value pairs. For example:

        Object[] uiDefaults = {
             "Font", new Font("Dialog", Font.BOLD, 12),
            "Color", Color.red,
             "five", new Integer(5)
        }
        UIDefaults myDefaults = new UIDefaults(uiDefaults);
 

Parameters:

keyValueList - an array of objects containing the key/value pairs

Method Detail

get

public Object get(Object key)

Returns the value for key. If the value is a UIDefaults.LazyValue then the real value is computed with LazyValue.createValue(), the table entry is replaced, and the real value is returned. If the value is an UIDefaults.ActiveValue the table entry is not replaced - the value is computed with ActiveValue.createValue() for each get() call. If the key is not found in the table then it is searched for in the list of resource bundles maintained by this object. The resource bundles are searched most recently added first using the locale returned by getDefaultLocale. LazyValues and ActiveValues are not supported in the resource bundles.

Specified by:

get in interface Map<Object,Object>

Overrides:

get in class Hashtable<Object,Object>

Parameters:

key - the desired key

Returns:

the value for key

Since:

1.4

See Also:

UIDefaults.LazyValue, UIDefaults.ActiveValue, Hashtable.get(java.lang.Object), getDefaultLocale(), addResourceBundle(java.lang.String)

get

public Object get(Object key,
                  Locale l)

Returns the value for key associated with the given locale. If the value is a UIDefaults.LazyValue then the real value is computed with LazyValue.createValue(), the table entry is replaced, and the real value is returned. If the value is an UIDefaults.ActiveValue the table entry is not replaced - the value is computed with ActiveValue.createValue() for each get() call. If the key is not found in the table then it is searched for in the list of resource bundles maintained by this object. The resource bundles are searched most recently added first using the given locale. LazyValues and ActiveValues are not supported in the resource bundles.

Parameters:

key - the desired key

l - the desired locale

Returns:

the value for key

Since:

1.4

See Also:

UIDefaults.LazyValue, UIDefaults.ActiveValue, Hashtable.get(java.lang.Object), addResourceBundle(java.lang.String)

put

public Object put(Object key,
                  Object value)

Sets the value of key to value for all locales. If key is a string and the new value isn't equal to the old one, fire a PropertyChangeEvent. If value is null, the key is removed from the table.

Specified by:

put in interface Map<Object,Object>

Overrides:

put in class Hashtable<Object,Object>

Parameters:

key - the unique Object who's value will be used to retrieve the data value associated with it

value - the new Object to store as data under that key

Returns:

the previous Object value, or null

See Also:

putDefaults(java.lang.Object[]), Hashtable.put(K, V)

putDefaults

public void putDefaults(Object[] keyValueList)

Puts all of the key/value pairs in the database and unconditionally generates one PropertyChangeEvent. The events oldValue and newValue will be null and its propertyName will be "UIDefaults". The key/value pairs are added for all locales.

Parameters:

keyValueList - an array of key/value pairs

See Also:

put(java.lang.Object, java.lang.Object), Hashtable.put(K, V)

getFont

public Font getFont(Object key)

If the value of key is a Font return it, otherwise return null.

Parameters:

key - the desired key

Returns:

if the value for key is a Font, return the Font object; otherwise return null

getFont

public Font getFont(Object key,
                    Locale l)

If the value of key for the given Locale is a Font return it, otherwise return null.

Parameters:

key - the desired key

l - the desired locale

Returns:

if the value for key and Locale is a Font, return the Font object; otherwise return null

Since:

1.4

getColor

public Color getColor(Object key)

If the value of key is a Color return it, otherwise return null.

Parameters:

key - the desired key

Returns:

if the value for key is a Color, return the Color object; otherwise return null

getColor

public Color getColor(Object key,
                      Locale l)

If the value of key for the given Locale is a Color return it, otherwise return null.

Parameters:

key - the desired key

l - the desired locale

Returns:

if the value for key and Locale is a Color, return the Color object; otherwise return null

Since:

1.4

getIcon

public Icon getIcon(Object key)

If the value of key is an Icon return it, otherwise return null.

Parameters:

key - the desired key

Returns:

if the value for key is an Icon, return the Icon object; otherwise return null

getIcon

public Icon getIcon(Object key,
                    Locale l)

If the value of key for the given Locale is an Icon return it, otherwise return null.

Parameters:

key - the desired key

l - the desired locale

Returns:

if the value for key and Locale is an Icon, return the Icon object; otherwise return null

Since:

1.4

getBorder

public Border getBorder(Object key)

If the value of key is a Border return it, otherwise return null.

Parameters:

key - the desired key

Returns:

if the value for key is a Border, return the Border object; otherwise return null

getBorder

public Border getBorder(Object key,
                        Locale l)

If the value of key for the given Locale is a Border return it, otherwise return null.

Parameters:

key - the desired key

l - the desired locale

Returns:

if the value for key and Locale is a Border, return the Border object; otherwise return null

Since:

1.4

getString

public String getString(Object key)

If the value of key is a String return it, otherwise return null.

Parameters:

key - the desired key

Returns:

if the value for key is a String, return the String object; otherwise return null

getString

public String getString(Object key,
                        Locale l)

If the value of key for the given Locale is a String return it, otherwise return null.

Parameters:

key - the desired key

l - the desired Locale

Returns:

if the value for key for the given Locale is a String, return the String object; otherwise return null

Since:

1.4

getInt

public int getInt(Object key)

If the value of key is an Integer return its integer value, otherwise return 0.

Parameters:

key - the desired key

Returns:

if the value for key is an Integer, return its value, otherwise return 0

getInt

public int getInt(Object key,
                  Locale l)

If the value of key for the given Locale is an Integer return its integer value, otherwise return 0.

Parameters:

key - the desired key

l - the desired locale

Returns:

if the value for key and Locale is an Integer, return its value, otherwise return 0

Since:

1.4

getBoolean

public boolean getBoolean(Object key)

If the value of key is boolean, return the boolean value, otherwise return false.

Parameters:

key - an Object specifying the key for the desired boolean value

Returns:

if the value of key is boolean, return the boolean value, otherwise return false.

Since:

1.4

getBoolean

public boolean getBoolean(Object key,
                          Locale l)

If the value of key for the given Locale is boolean, return the boolean value, otherwise return false.

Parameters:

key - an Object specifying the key for the desired boolean value

l - the desired locale

Returns:

if the value for key and Locale is boolean, return the boolean value, otherwise return false.

Since:

1.4

getInsets

public Insets getInsets(Object key)

If the value of key is an Insets return it, otherwise return null.

Parameters:

key - the desired key

Returns:

if the value for key is an Insets, return the Insets object; otherwise return null

getInsets

public Insets getInsets(Object key,
                        Locale l)

If the value of key for the given Locale is an Insets return it, otherwise return null.

Parameters:

key - the desired key

l - the desired locale

Returns:

if the value for key and Locale is an Insets, return the Insets object; otherwise return null

Since:

1.4

getDimension

public Dimension getDimension(Object key)

If the value of key is a Dimension return it, otherwise return null.

Parameters:

key - the desired key

Returns:

if the value for key is a Dimension, return the Dimension object; otherwise return null

getDimension

public Dimension getDimension(Object key,
                              Locale l)

If the value of key for the given Locale is a Dimension return it, otherwise return null.

Parameters:

key - the desired key

l - the desired locale

Returns:

if the value for key and Locale is a Dimension, return the Dimension object; otherwise return null

Since:

1.4

getUIClass

public Class<? extends ComponentUI> getUIClass(String uiClassID,