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java.lang.Objectorg.apache.jasper.util.Enumerator
public final class Enumerator
Adapter class that wraps an Enumeration
around a Java2
collection classes object Iterator
so that existing APIs
returning Enumerations can easily run on top of the new collections.
Constructors are provided to easliy create such wrappers.
Constructor Summary | |
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Enumerator(java.util.Collection collection)
Return an Enumeration over the values of the specified Collection. |
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Enumerator(java.util.Collection collection,
boolean clone)
Return an Enumeration over the values of the specified Collection. |
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Enumerator(java.util.Iterator iterator)
Return an Enumeration over the values returned by the specified Iterator. |
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Enumerator(java.util.Iterator iterator,
boolean clone)
Return an Enumeration over the values returned by the specified Iterator. |
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Enumerator(java.util.Map map)
Return an Enumeration over the values of the specified Map. |
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Enumerator(java.util.Map map,
boolean clone)
Return an Enumeration over the values of the specified Map. |
Method Summary | |
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boolean |
hasMoreElements()
Tests if this enumeration contains more elements. |
java.lang.Object |
nextElement()
Returns the next element of this enumeration if this enumeration has at least one more element to provide. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public Enumerator(java.util.Collection collection)
collection
- Collection whose values should be enumeratedpublic Enumerator(java.util.Collection collection, boolean clone)
collection
- Collection whose values should be enumeratedclone
- true to clone iteratorpublic Enumerator(java.util.Iterator iterator)
iterator
- Iterator to be wrappedpublic Enumerator(java.util.Iterator iterator, boolean clone)
iterator
- Iterator to be wrappedclone
- true to clone iteratorpublic Enumerator(java.util.Map map)
map
- Map whose values should be enumeratedpublic Enumerator(java.util.Map map, boolean clone)
map
- Map whose values should be enumeratedclone
- true to clone iteratorMethod Detail |
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public boolean hasMoreElements()
hasMoreElements
in interface java.util.Enumeration
true
if and only if this enumeration object
contains at least one more element to provide, false
otherwisepublic java.lang.Object nextElement() throws java.util.NoSuchElementException
nextElement
in interface java.util.Enumeration
java.util.NoSuchElementException
- if no more elements exist
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