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Java Source Code / Java Documentation » Sevlet Container » jetty modules » org.mortbay.util 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   java.util.AbstractMap
      org.mortbay.util.StringMap

StringMap
public class StringMap extends AbstractMap implements Externalizable(Code)
Map implementation Optimized for Strings keys.. This String Map has been optimized for mapping small sets of Strings where the most frequently accessed Strings have been put to the map first. It also has the benefit that it can look up entries by substring or sections of char and byte arrays. This can prevent many String objects from being created just to look up in the map. This map is NOT synchronized.
author:
   Greg Wilkins (gregw)


Field Summary
final public static  booleanCASE_INSENSTIVE
    
final protected static  int__HASH_WIDTH
    
protected  HashSet_entrySet
    
protected  boolean_ignoreCase
    
protected  NullEntry_nullEntry
    
protected  Object_nullValue
    
protected  Node_root
    
protected  Set_umEntrySet
    
protected  int_width
    

Constructor Summary
public  StringMap()
     Constructor.
public  StringMap(boolean ignoreCase)
     Constructor.
public  StringMap(boolean ignoreCase, int width)
     Constructor.

Method Summary
public  voidclear()
    
public  booleancontainsKey(Object key)
    
public  SetentrySet()
    
public  Objectget(Object key)
    
public  Objectget(String key)
    
public  Map.EntrygetBestEntry(byte[] key, int offset, int maxLength)
     Get a map entry by byte array key, using as much of the passed key as needed for a match.
public  Map.EntrygetEntry(String key, int offset, int length)
     Get a map entry by substring key.
public  Map.EntrygetEntry(char[] key, int offset, int length)
     Get a map entry by char array key.
public  intgetWidth()
    
public  booleanisEmpty()
    
public  booleanisIgnoreCase()
    
public  Objectput(Object key, Object value)
    
public  Objectput(String key, Object value)
    
public  voidreadExternal(java.io.ObjectInput in)
    
public  Objectremove(Object key)
    
public  Objectremove(String key)
    
public  voidsetIgnoreCase(boolean ic)
     Set the ignoreCase attribute.
public  voidsetWidth(int width)
     Set the hash width.
public  intsize()
    
public  voidwriteExternal(java.io.ObjectOutput out)
    

Field Detail
CASE_INSENSTIVE
final public static boolean CASE_INSENSTIVE(Code)



__HASH_WIDTH
final protected static int __HASH_WIDTH(Code)



_entrySet
protected HashSet _entrySet(Code)



_ignoreCase
protected boolean _ignoreCase(Code)



_nullEntry
protected NullEntry _nullEntry(Code)



_nullValue
protected Object _nullValue(Code)



_root
protected Node _root(Code)



_umEntrySet
protected Set _umEntrySet(Code)



_width
protected int _width(Code)




Constructor Detail
StringMap
public StringMap()(Code)
Constructor.



StringMap
public StringMap(boolean ignoreCase)(Code)
Constructor.
Parameters:
  ignoreCase -



StringMap
public StringMap(boolean ignoreCase, int width)(Code)
Constructor.
Parameters:
  ignoreCase -
Parameters:
  width - Width of hash tables, larger values are faster butuse more memory.




Method Detail
clear
public void clear()(Code)



containsKey
public boolean containsKey(Object key)(Code)



entrySet
public Set entrySet()(Code)



get
public Object get(Object key)(Code)



get
public Object get(String key)(Code)



getBestEntry
public Map.Entry getBestEntry(byte[] key, int offset, int maxLength)(Code)
Get a map entry by byte array key, using as much of the passed key as needed for a match. A simple 8859-1 byte to char mapping is assumed.
Parameters:
  key - char array containing the key
Parameters:
  offset - Offset of the key within the array.
Parameters:
  maxLength - The length of the key The Map.Entry for the key or null if the key is not inthe map.



getEntry
public Map.Entry getEntry(String key, int offset, int length)(Code)
Get a map entry by substring key.
Parameters:
  key - String containing the key
Parameters:
  offset - Offset of the key within the String.
Parameters:
  length - The length of the key The Map.Entry for the key or null if the key is not inthe map.



getEntry
public Map.Entry getEntry(char[] key, int offset, int length)(Code)
Get a map entry by char array key.
Parameters:
  key - char array containing the key
Parameters:
  offset - Offset of the key within the array.
Parameters:
  length - The length of the key The Map.Entry for the key or null if the key is not inthe map.



getWidth
public int getWidth()(Code)



isEmpty
public boolean isEmpty()(Code)



isIgnoreCase
public boolean isIgnoreCase()(Code)



put
public Object put(Object key, Object value)(Code)



put
public Object put(String key, Object value)(Code)



readExternal
public void readExternal(java.io.ObjectInput in) throws java.io.IOException, ClassNotFoundException(Code)



remove
public Object remove(Object key)(Code)



remove
public Object remove(String key)(Code)



setIgnoreCase
public void setIgnoreCase(boolean ic)(Code)
Set the ignoreCase attribute.
Parameters:
  ic - If true, the map is case insensitive for keys.



setWidth
public void setWidth(int width)(Code)
Set the hash width.
Parameters:
  width - Width of hash tables, larger values are faster butuse more memory.



size
public int size()(Code)



writeExternal
public void writeExternal(java.io.ObjectOutput out) throws java.io.IOException(Code)



Methods inherited from java.util.AbstractMap
public void clear()(Code)(Java Doc)
protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean containsKey(Object key)(Code)(Java Doc)
public boolean containsValue(Object value)(Code)(Java Doc)
abstract public Set<Entry<K, V>> entrySet()(Code)(Java Doc)
public boolean equals(Object o)(Code)(Java Doc)
public V get(Object key)(Code)(Java Doc)
public int hashCode()(Code)(Java Doc)
public boolean isEmpty()(Code)(Java Doc)
public Set<K> keySet()(Code)(Java Doc)
public V put(K key, V value)(Code)(Java Doc)
public void putAll(Map<? extends K, ? extends V> m)(Code)(Java Doc)
public V remove(Object key)(Code)(Java Doc)
public int size()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
public Collection<V> values()(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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