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- All Known Implementing Classes:
- StyleContext,- StyleSheet
 - Enclosing class:
- AbstractDocument
 
 public static interface AbstractDocument.AttributeContextAn interface that can be used to allow MutableAttributeSet implementations to use pluggable attribute compression techniques. Each mutation of the attribute set can be used to exchange a previous AttributeSet instance with another, preserving the possibility of the AttributeSet remaining immutable. An implementation is provided by the StyleContext class. The Element implementations provided by this class use this interface to provide their MutableAttributeSet implementations, so that different AttributeSet compression techniques can be employed. The methodgetAttributeContextshould be implemented to return the object responsible for implementing the desired compression technique.- See Also:
- StyleContext
 
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Method SummaryAll Methods Instance Methods Abstract Methods Modifier and Type Method Description AttributeSetaddAttribute(AttributeSet old, Object name, Object value)Adds an attribute to the given set, and returns the new representative set.AttributeSetaddAttributes(AttributeSet old, AttributeSet attr)Adds a set of attributes to the element.AttributeSetgetEmptySet()Fetches an empty AttributeSet.voidreclaim(AttributeSet a)Reclaims an attribute set.AttributeSetremoveAttribute(AttributeSet old, Object name)Removes an attribute from the set.AttributeSetremoveAttributes(AttributeSet old, Enumeration<?> names)Removes a set of attributes for the element.AttributeSetremoveAttributes(AttributeSet old, AttributeSet attrs)Removes a set of attributes for the element.
 
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Method Detail- 
addAttributeAttributeSet addAttribute(AttributeSet old, Object name, Object value) Adds an attribute to the given set, and returns the new representative set.- Parameters:
- old- the old attribute set
- name- the non-null attribute name
- value- the attribute value
- Returns:
- the updated attribute set
- See Also:
- MutableAttributeSet.addAttribute(java.lang.Object, java.lang.Object)
 
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addAttributesAttributeSet addAttributes(AttributeSet old, AttributeSet attr) Adds a set of attributes to the element.- Parameters:
- old- the old attribute set
- attr- the attributes to add
- Returns:
- the updated attribute set
- See Also:
- MutableAttributeSet.addAttribute(java.lang.Object, java.lang.Object)
 
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removeAttributeAttributeSet removeAttribute(AttributeSet old, Object name) Removes an attribute from the set.- Parameters:
- old- the old attribute set
- name- the non-null attribute name
- Returns:
- the updated attribute set
- See Also:
- MutableAttributeSet.removeAttribute(java.lang.Object)
 
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removeAttributesAttributeSet removeAttributes(AttributeSet old, Enumeration<?> names) Removes a set of attributes for the element.- Parameters:
- old- the old attribute set
- names- the attribute names
- Returns:
- the updated attribute set
- See Also:
- MutableAttributeSet.removeAttributes(java.util.Enumeration<?>)
 
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removeAttributesAttributeSet removeAttributes(AttributeSet old, AttributeSet attrs) Removes a set of attributes for the element.- Parameters:
- old- the old attribute set
- attrs- the attributes
- Returns:
- the updated attribute set
- See Also:
- MutableAttributeSet.removeAttributes(java.util.Enumeration<?>)
 
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getEmptySetAttributeSet getEmptySet() Fetches an empty AttributeSet.- Returns:
- the attribute set
 
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reclaimvoid reclaim(AttributeSet a) Reclaims an attribute set. This is a way for a MutableAttributeSet to mark that it no longer need a particular immutable set. This is only necessary in 1.1 where there are no weak references. A 1.1 implementation would call this in its finalize method.- Parameters:
- a- the attribute set to reclaim
 
 
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