org.apache.struts.faces.util
Class MessagesMap

java.lang.Object
  org.apache.struts.faces.util.MessagesMap

All Implemented Interfaces:

Map

public class MessagesMap
extends Object
implements Map

A limited immutable Map implementation that wraps the MessageResources instance for the specified Locale. Exposing the messages as a Map makes them easily accessible via value binding expressions, as well as JSP 2.0 expression language expressions.

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K,V>

Constructor Summary

MessagesMap(MessageResources messages, Locale locale)
Construct a new MessagesMap instance that wraps the specified MessageResources instance, and returns messages for the specified Locale.

Method Summary

void	clear() The clear() method is not supported.
boolean	containsKey(Object key) Return true if there is a message for the specified key.
boolean	containsValue(Object value) The containsValue() method is not supported.
Set	entrySet() The entrySet() method is not supported.
boolean	equals(Object o) The equals method checks whether equal MessageResources and Locale are being wrapped.
Object	get(Object key) Return the message string for the specified key.
int	hashCode() The hashCode() method returns values that will be identical if the equals method returns true.
boolean	isEmpty() The isEmpty() method returns false, on the assumption that there is always at least one message available.
Set	keySet() The keySet() method is not supported.
Object	put(Object key, Object value) The put() method is not supported.
void	putAll(Map map) The putAll() method is not supported.
Object	remove(Object key) The remove() method is not supported.
int	size() The size() method is not supported.
Collection	values() The values() method is not supported.

Methods inherited from class java.lang.Object

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

Constructor Detail

MessagesMap

public MessagesMap(MessageResources messages,
                   Locale locale)

Construct a new MessagesMap instance that wraps the specified MessageResources instance, and returns messages for the specified Locale.

Parameters:

messages - MessageResources instance to wrap

locale - Locale for which to retrieve messages, or null for the system default Locale

Throws:

NullPointerException - if messages is null

Method Detail

clear

public void clear()

The clear() method is not supported.

Specified by:

clear in interface Map

containsKey

public boolean containsKey(Object key)

Return true if there is a message for the specified key.

Specified by:

containsKey in interface Map

Parameters:

key - Message key to evaluate

containsValue

public boolean containsValue(Object value)

The containsValue() method is not supported.

Specified by:

containsValue in interface Map

Parameters:

value - Value to evaluate

entrySet

public Set entrySet()

The entrySet() method is not supported.

Specified by:

entrySet in interface Map

equals

public boolean equals(Object o)

The equals method checks whether equal MessageResources and Locale are being wrapped.

Specified by:

equals in interface Map

Overrides:

equals in class Object

Parameters:

o - The object to be compared

get

public Object get(Object key)

Return the message string for the specified key.

Specified by:

get in interface Map

Parameters:

key - Key for message to return

hashCode

public int hashCode()

The hashCode() method returns values that will be identical if the equals method returns true.

Specified by:

hashCode in interface Map

Overrides:

hashCode in class Object

isEmpty

public boolean isEmpty()

The isEmpty() method returns false, on the assumption that there is always at least one message available.

Specified by:

isEmpty in interface Map

keySet

public Set keySet()

The keySet() method is not supported.

Specified by:

keySet in interface Map

put

public Object put(Object key,
                  Object value)

The put() method is not supported.

Specified by:

put in interface Map

Parameters:

key - Key to store

value - Value to store

putAll

public void putAll(Map map)

The putAll() method is not supported.

Specified by:

putAll in interface Map

Parameters:

map - Keys and values to store

remove

public Object remove(Object key)

The remove() method is not supported.

Specified by:

remove in interface Map

Parameters:

key - Key to remove

size

public int size()

The size() method is not supported.

Specified by:

size in interface Map

values

public Collection values()

The values() method is not supported.

Specified by:

values in interface Map