net.sourceforge.jane.util
Class ExtendedEnumeration

java.lang.Object
  |
  +--net.sourceforge.jane.util.ExtendedEnumeration

All Implemented Interfaces:

java.util.Enumeration

Direct Known Subclasses:

ChildNodeEnumeration, NodeEnumeration

public abstract class ExtendedEnumeration

extends java.lang.Object

implements java.util.Enumeration

An extended enumeration base class with predicate and reset support.

Field Summary

protected org.apache.commons.collections.Predicate

predicate

Constructor Summary

ExtendedEnumeration()
Create a new ExtendedEnumeration.

ExtendedEnumeration(org.apache.commons.collections.Predicate aPredicate)
Create a new ExtendedEnumeration.

Method Summary

protected abstract boolean	doCheckSize() Returns true if there are not more elements in the current series.
protected boolean	doEvaluate() Evaluate the current element.
protected abstract void	doNext() Go to the next element.
protected abstract java.lang.Object	getCurrent() Returns the current element.
boolean	hasMoreElements() Returns true if there are more elements.
java.lang.Object	nextElement() Returns the next element.
abstract void	reset() Reset this enumeration to the beginning.

Methods inherited from class java.lang.Object

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

Field Detail

predicate

protected org.apache.commons.collections.Predicate predicate

Constructor Detail

ExtendedEnumeration

public ExtendedEnumeration()

Create a new ExtendedEnumeration.

ExtendedEnumeration

public ExtendedEnumeration(org.apache.commons.collections.Predicate aPredicate)

Create a new ExtendedEnumeration.

Method Detail

hasMoreElements

public boolean hasMoreElements()

Returns true if there are more elements.

Specified by:

hasMoreElements in interface java.util.Enumeration

nextElement

public java.lang.Object nextElement()

Returns the next element.

Specified by:

nextElement in interface java.util.Enumeration

reset

public abstract void reset()

Reset this enumeration to the beginning.

doCheckSize

protected abstract boolean doCheckSize()

Returns true if there are not more elements in the current series.

getCurrent

protected abstract java.lang.Object getCurrent()

Returns the current element.

doNext

protected abstract void doNext()

Go to the next element.

doEvaluate

protected boolean doEvaluate()

Evaluate the current element.