winstone

Class SizeRestrictedHashtable<K,V>

java.lang.Object

java.util.Dictionary<K,V>

java.util.Hashtable<K,V>

winstone.SizeRestrictedHashtable<K,V>

All Implemented Interfaces:

Serializable, Cloneable, Map<K,V>

public class SizeRestrictedHashtable<K,V>
extends Hashtable<K,V>

Hashtable that sets the upper bound in the total number of keys. This is to protect against the DoS attack based on the hash key collision. See http://www.ocert.org/advisories/ocert-2011-003.html

Author:

Kohsuke Kawaguchi

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
SizeRestrictedHashtable(int cap)
SizeRestrictedHashtable(int initialCapacity, float loadFactor, int cap)
SizeRestrictedHashtable(int initialCapacity, int cap)
SizeRestrictedHashtable(Map<? extends K,? extends V> t, int cap)

Method Summary

Methods

Modifier and Type	Method and Description
V	put(K key, V value)

Methods inherited from class java.util.Hashtable

clear, clone, contains, containsKey, containsValue, elements, entrySet, equals, get, hashCode, isEmpty, keys, keySet, putAll, rehash, remove, size, toString, values

Methods inherited from class java.lang.Object

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

Constructor Detail

SizeRestrictedHashtable

public SizeRestrictedHashtable(int initialCapacity,
                       float loadFactor,
                       int cap)

SizeRestrictedHashtable

public SizeRestrictedHashtable(int initialCapacity,
                       int cap)

SizeRestrictedHashtable

public SizeRestrictedHashtable(int cap)

SizeRestrictedHashtable

public SizeRestrictedHashtable(Map<? extends K,? extends V> t,
                       int cap)

Method Detail

put

public V put(K key,
    V value)

Specified by:

put in interface Map<K,V>

Overrides:

put in class Hashtable<K,V>