Package dev.voidframework.web.http

Class FlashMessages

java.lang.Object

java.util.AbstractMap<K,V>

java.util.HashMap<String,String>

dev.voidframework.web.http.FlashMessages

All Implemented Interfaces:

Serializable, Cloneable, Map<String,String>

public class FlashMessages
extends HashMap<String,String>

HTTP Flash messages.

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.util.AbstractMap

AbstractMap.SimpleEntry<K extends Object,V extends Object>, AbstractMap.SimpleImmutableEntry<K extends Object,V extends Object>

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

Map.Entry<K extends Object,V extends Object>

Constructor Summary

Constructors

Constructor	Description
FlashMessages()	Build a new instance.
FlashMessages(Map<String,String> flashMessageData)	Build a new instance.

Method Summary

Modifier and Type	Method	Description
void	clear()	Clears all flash messages.
boolean	isModified()	Checks if any flash message has been modified.
String	put(String key, String value)	Adds the single flash message.
void	putAll(Map<? extends String,? extends String> values)	Adds multiple flash messages.
String	remove(Object key)	Removes a flash message.

Methods inherited from class java.util.HashMap

clone, compute, computeIfAbsent, computeIfPresent, containsKey, containsValue, entrySet, forEach, get, getOrDefault, isEmpty, keySet, merge, putIfAbsent, remove, replace, replace, replaceAll, size, values

Methods inherited from class java.util.AbstractMap

equals, hashCode, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

equals, hashCode

Constructor Details

FlashMessages

public FlashMessages()

Build a new instance.

FlashMessages

public FlashMessages(Map<String,String> flashMessageData)

Build a new instance.

Parameters:

flashMessageData - Initial flash messages data

Method Details

remove

public String remove(Object key)

Removes a flash message.

Specified by:

remove in interface Map<String,String>

Overrides:

remove in class HashMap<String,String>

Parameters:

key - Key whose mapping value to remove

Returns:

The previous value associated with key, otherwise, null

put

public String put(String key,
 String value)

Adds the single flash message.

Specified by:

put in interface Map<String,String>

Overrides:

put in class HashMap<String,String>

putAll

public void putAll(Map<? extends String,? extends String> values)

Adds multiple flash messages.

Specified by:

putAll in interface Map<String,String>

Overrides:

putAll in class HashMap<String,String>

clear

public void clear()

Clears all flash messages.

Specified by:

clear in interface Map<String,String>

Overrides:

clear in class HashMap<String,String>

isModified

public boolean isModified()

Checks if any flash message has been modified.

Returns:

true if any flash message has been modified, otherwise, false