MapMessages (Tapestry API - 5.7.2)乐学网一站式学习平台

java.lang.Object
- org.apache.tapestry5.commons.util.AbstractMessages
- - org.apache.tapestry5.internal.services.MapMessages

All Implemented Interfaces:

Messages
```
public class MapMessages
extends AbstractMessages
```
Implementation of Messages based on a simple Map (of string keys and values).

Constructor Summary

Constructors
Constructor Description

MapMessages(Locale locale, Map<String,String> properties)
A new instance retaining (not copying) the provided map.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Set<String>`	`getKeys()`	Returns a set of all the keys for which this instance may provide a value.
`protected String`	`valueForKey(String key)`	Invoked to provide the value for a particular key.

Methods inherited from class org.apache.tapestry5.commons.util.AbstractMessages
contains, format, get, getFormatter

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - MapMessages
```
public MapMessages(Locale locale,
                   Map<String,String> properties)
```
    A new instance retaining (not copying) the provided map.
- Method Detail
  - valueForKey
```
protected String valueForKey(String key)
```
    Description copied from class: AbstractMessages
    
    Invoked to provide the value for a particular key. This may be invoked multiple times even for the same key. The implementation should ignore the case of the key.
    
    Specified by:
    
    valueForKey in class AbstractMessages
    
    Parameters:
    
    key - the key to obtain a value for (case insensitive)
    
    Returns:
    
    the value for the key, or null if this instance can not provide the value
  - getKeys
```
public Set<String> getKeys()
```
    Description copied from interface: Messages
    
    Returns a set of all the keys for which this instance may provide a value.
    
    Returns:
    
    set of keys