org.wings.style
Class CSSAttributeSet

java.lang.Object
  org.wings.style.CSSAttributeSet

All Implemented Interfaces:

Serializable, Cloneable, Renderable

Direct Known Subclasses:

CSSStyle

public class CSSAttributeSet
extends Object
implements Renderable, Serializable, Cloneable

A straightforward implementation of CSSPropertySet using a hash map.

Author:

Holger Engels

See Also:

Serialized Form

Field Summary

static CSSAttributeSet

EMPTY_ATTRIBUTESET Empty immutable attribute set.

Constructor Summary

CSSAttributeSet()
Creates a new, empty atribute set.

CSSAttributeSet(CSSAttributeSet source)
Creates a new attribute set based on a supplied set of attributes.

CSSAttributeSet(CSSProperty cssProperty, String cssPropertyValue)

Method Summary

void	clear()
Object	clone() Clones a set of attributes.
boolean	contains(CSSProperty name) Tells whether a given attribute is defined.
boolean	equals(Object o)
String	get(CSSProperty property) Gets the value of an css property.
int	hashCode()
boolean	isEmpty() Checks whether the set of attributes is empty.
Map<CSSProperty,String>	properties() Gets the Set of defined CSS property names.
String	put(CSSProperty name, String value) Adds an attribute to the list.
boolean	putAll(CSSAttributeSet attributes) Adds a set of attributes to the list.
String	remove(CSSProperty name) Removes an attribute from the list.
int	size() Gets a count of the number of attributes.
String	toString() Converts the attribute set to a String.
void	write(Device d) Write style definition to the device

Methods inherited from class java.lang.Object

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

Field Detail

EMPTY_ATTRIBUTESET

public static final CSSAttributeSet EMPTY_ATTRIBUTESET

Empty immutable attribute set.

Constructor Detail

CSSAttributeSet

public CSSAttributeSet()

Creates a new, empty atribute set.

CSSAttributeSet

public CSSAttributeSet(CSSProperty cssProperty,
                       String cssPropertyValue)

CSSAttributeSet

public CSSAttributeSet(CSSAttributeSet source)

Creates a new attribute set based on a supplied set of attributes.

Parameters:

source - the set of attributes

Method Detail

isEmpty

public final boolean isEmpty()

Checks whether the set of attributes is empty.

Returns:

true if the set is empty else false

size

public final int size()

Gets a count of the number of attributes.

Returns:

the count

clear

public final void clear()

contains

public final boolean contains(CSSProperty name)

Tells whether a given attribute is defined.

Parameters:

name - the attribute name

Returns:

true if the attribute is defined

properties

public final Map<CSSProperty,String> properties()

Gets the Set of defined CSS property names.

Returns:

A set of CSSProperty for which this CSSAttributeSet contains a value.

get

public final String get(CSSProperty property)

Gets the value of an css property.

Parameters:

property - the attribute property

Returns:

the value

put

public String put(CSSProperty name,
                  String value)

Adds an attribute to the list.

Parameters:

name - the attribute name

value - the attribute value

putAll

public boolean putAll(CSSAttributeSet attributes)

Adds a set of attributes to the list.

Parameters:

attributes - the set of attributes to add

remove

public String remove(CSSProperty name)

Removes an attribute from the list.

Parameters:

name - the attribute name

Returns:

The previous value for this CSS property

clone

public Object clone()

Clones a set of attributes.

Overrides:

clone in class Object

Returns:

the new set of attributes

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

write

public void write(Device d)
           throws IOException

Write style definition to the device

Specified by:

write in interface Renderable

Throws:

IOException

toString

public String toString()

Converts the attribute set to a String.

Overrides:

toString in class Object

Returns:

the string