org.apache.tools.ant.util
Class LinkedHashtable

java.lang.Object
  extended by java.util.Dictionary<K,V>
      extended by java.util.Hashtable
          extended by org.apache.tools.ant.util.LinkedHashtable
All Implemented Interfaces:
java.io.Serializable, java.lang.Cloneable, java.util.Map

public class LinkedHashtable
extends java.util.Hashtable

Subclass of Hashtable that wraps a LinkedHashMap to provide predictable iteration order.

This is not a general purpose class but has been written because the protected members of Copy prohibited later revisions from using a more predictable collection.

Methods are synchronized to keep Hashtable's contract.

Since:
Ant 1.8.2
See Also:
Serialized Form

Constructor Summary
LinkedHashtable()
           
LinkedHashtable(int initialCapacity)
           
LinkedHashtable(int initialCapacity, float loadFactor)
           
LinkedHashtable(java.util.Map m)
           
 
Method Summary
 void clear()
           
 boolean contains(java.lang.Object value)
           
 boolean containsKey(java.lang.Object value)
           
 boolean containsValue(java.lang.Object value)
           
 java.util.Enumeration elements()
           
 java.util.Set entrySet()
           
 boolean equals(java.lang.Object o)
           
 java.lang.Object get(java.lang.Object k)
           
 int hashCode()
           
 boolean isEmpty()
           
 java.util.Enumeration keys()
           
 java.util.Set keySet()
           
 java.lang.Object put(java.lang.Object k, java.lang.Object v)
           
 void putAll(java.util.Map m)
           
 java.lang.Object remove(java.lang.Object k)
           
 int size()
           
 java.lang.String toString()
           
 java.util.Collection values()
           
 
Methods inherited from class java.util.Hashtable
clone, rehash
 
Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait
 

Constructor Detail

LinkedHashtable

public LinkedHashtable()

LinkedHashtable

public LinkedHashtable(int initialCapacity)

LinkedHashtable

public LinkedHashtable(int initialCapacity,
                       float loadFactor)

LinkedHashtable

public LinkedHashtable(java.util.Map m)
Method Detail

clear

public void clear()
Specified by:
clear in interface java.util.Map
Overrides:
clear in class java.util.Hashtable

contains

public boolean contains(java.lang.Object value)
Overrides:
contains in class java.util.Hashtable

containsKey

public boolean containsKey(java.lang.Object value)
Specified by:
containsKey in interface java.util.Map
Overrides:
containsKey in class java.util.Hashtable

containsValue

public boolean containsValue(java.lang.Object value)
Specified by:
containsValue in interface java.util.Map
Overrides:
containsValue in class java.util.Hashtable

elements

public java.util.Enumeration elements()
Overrides:
elements in class java.util.Hashtable

entrySet

public java.util.Set entrySet()
Specified by:
entrySet in interface java.util.Map
Overrides:
entrySet in class java.util.Hashtable

equals

public boolean equals(java.lang.Object o)
Specified by:
equals in interface java.util.Map
Overrides:
equals in class java.util.Hashtable

get

public java.lang.Object get(java.lang.Object k)
Specified by:
get in interface java.util.Map
Overrides:
get in class java.util.Hashtable

hashCode

public int hashCode()
Specified by:
hashCode in interface java.util.Map
Overrides:
hashCode in class java.util.Hashtable

isEmpty

public boolean isEmpty()
Specified by:
isEmpty in interface java.util.Map
Overrides:
isEmpty in class java.util.Hashtable

keys

public java.util.Enumeration keys()
Overrides:
keys in class java.util.Hashtable

keySet

public java.util.Set keySet()
Specified by:
keySet in interface java.util.Map
Overrides:
keySet in class java.util.Hashtable

put

public java.lang.Object put(java.lang.Object k,
                            java.lang.Object v)
Specified by:
put in interface java.util.Map
Overrides:
put in class java.util.Hashtable

putAll

public void putAll(java.util.Map m)
Specified by:
putAll in interface java.util.Map
Overrides:
putAll in class java.util.Hashtable

remove

public java.lang.Object remove(java.lang.Object k)
Specified by:
remove in interface java.util.Map
Overrides:
remove in class java.util.Hashtable

size

public int size()
Specified by:
size in interface java.util.Map
Overrides:
size in class java.util.Hashtable

toString

public java.lang.String toString()
Overrides:
toString in class java.util.Hashtable

values

public java.util.Collection values()
Specified by:
values in interface java.util.Map
Overrides:
values in class java.util.Hashtable