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>

Field Summary

Fields

Modifier and Type	Field	Description
protected boolean	isModified	Indicate if internal HashMap has been modified.

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 values.
boolean	equals(Object o)
int	hashCode()
boolean	isModified()	Checks if internal values has been modified.
String	put(String key, String value)	Adds a single value.
void	putAll(Map<? extends String,? extends String> values)	Adds multiple value.
String	remove(Object key)	Removes a value.

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

toString

Methods inherited from class java.lang.Object

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

Field Details

isModified

protected transient boolean isModified

Indicate if internal HashMap has been modified.

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 value.

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 a single value.

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 value.

Specified by:

putAll in interface Map<String,String>

Overrides:

putAll in class HashMap<String,String>

clear

public void clear()

Clears all values.

Specified by:

clear in interface Map<String,String>

Overrides:

clear in class HashMap<String,String>

isModified

public boolean isModified()

Checks if internal values has been modified.

Returns:

true if internal values has been modified, otherwise, false

equals

public boolean equals(Object o)

Specified by:

equals in interface Map<String,String>

Overrides:

equals in class AbstractMap<String,String>

hashCode

public int hashCode()

Specified by:

hashCode in interface Map<String,String>

Overrides:

hashCode in class AbstractMap<String,String>