javax.swing.text
Class ElementIterator.StackItem

java.lang.Object
  javax.swing.text.ElementIterator.StackItem

All Implemented Interfaces:

Cloneable

Enclosing class:

ElementIterator

private class ElementIterator.StackItem

extends Object

implements Cloneable

The StackItem class stores the element as well as a child index. If the index is -1, then the element represented on the stack is the element itself. Otherwise, the index functions as as index into the vector of children of the element. In this case, the item on the stack represents the "index"th child of the element

Field Summary

(package private) int	childIndex
(package private) Element	item

Constructor Summary

private

ElementIterator.StackItem(Element elem)

Method Summary

protected Object	clone() Creates and returns a copy of this object.
private Element	getElement()
private int	getIndex()
private void	incrementIndex()

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

item

Element item

childIndex

int childIndex

Constructor Detail

ElementIterator.StackItem

private ElementIterator.StackItem(Element elem)

Method Detail

incrementIndex

private void incrementIndex()

getElement

private Element getElement()

getIndex

private int getIndex()

clone

protected Object clone()
                throws CloneNotSupportedException

Description copied from class: Object

Creates and returns a copy of this object. The precise meaning of "copy" may depend on the class of the object. The general intent is that, for any object x, the expression:

 x.clone() != x

will be true, and that the expression:

 x.clone().getClass() == x.getClass()

will be true, but these are not absolute requirements. While it is typically the case that:

 x.clone().equals(x)

will be true, this is not an absolute requirement.

By convention, the returned object should be obtained by calling super.clone. If a class and all of its superclasses (except Object) obey this convention, it will be the case that x.clone().getClass() == x.getClass().

By convention, the object returned by this method should be independent of this object (which is being cloned). To achieve this independence, it may be necessary to modify one or more fields of the object returned by super.clone before returning it. Typically, this means copying any mutable objects that comprise the internal "deep structure" of the object being cloned and replacing the references to these objects with references to the copies. If a class contains only primitive fields or references to immutable objects, then it is usually the case that no fields in the object returned by super.clone need to be modified.

The method clone for class Object performs a specific cloning operation. First, if the class of this object does not implement the interface Cloneable, then a CloneNotSupportedException is thrown. Note that all arrays are considered to implement the interface Cloneable. Otherwise, this method creates a new instance of the class of this object and initializes all its fields with exactly the contents of the corresponding fields of this object, as if by assignment; the contents of the fields are not themselves cloned. Thus, this method performs a "shallow copy" of this object, not a "deep copy" operation.

The class Object does not itself implement the interface Cloneable, so calling the clone method on an object whose class is Object will result in throwing an exception at run time.

Overrides:

clone in class Object

Returns:

a clone of this instance.

Throws:

CloneNotSupportedException - if the object's class does not support the Cloneable interface. Subclasses that override the clone method can also throw this exception to indicate that an instance cannot be cloned.

See Also:

Cloneable