Package com.vaadin.flow.internal.nodefeature

Class ElementAttributeMap

java.lang.Object

com.vaadin.flow.internal.nodefeature.NodeFeature

com.vaadin.flow.internal.nodefeature.NodeMap

com.vaadin.flow.internal.nodefeature.ElementAttributeMap

All Implemented Interfaces:

Serializable

public class ElementAttributeMap
extends NodeMap

Map for element attribute values.

For internal use only. May be renamed or removed in a future release.

Since:

1.0

Author:

Vaadin Ltd

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
ElementAttributeMap(StateNode node)	Creates a new element attribute map for the given node.

Method Summary

Modifier and Type	Method	Description
Stream<String>	attributes()	Gets the attribute names.
String	get(String attribute)	Gets the value of an attribute.
boolean	has(String attribute)	Checks whether an attribute with the given name has been set.
Serializable	remove(String attribute)	Removes the named attribute.
void	set(String attribute, String value)	Sets the given attribute to the given value.
void	setResource(String attribute, AbstractStreamResource resource)	Sets the given attribute to the given StreamResource value.

Methods inherited from class com.vaadin.flow.internal.nodefeature.NodeMap

clear, collectChanges, contains, forEachChild, generateChangesFromEmpty, getOrDefault, getOrDefault, getOrDefault, keySet, mayUpdateFromClient, producePutChange, put, put, updateFromClient

Methods inherited from class com.vaadin.flow.internal.nodefeature.NodeFeature

allowsChanges, attachPotentialChild, detatchPotentialChild, getNode, onAttach, onDetach

Methods inherited from class java.lang.Object

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

Constructor Details

ElementAttributeMap

public ElementAttributeMap(StateNode node)

Creates a new element attribute map for the given node.

Parameters:

node - the node that the map belongs to

Method Details

set

public void set(String attribute,
 String value)

Sets the given attribute to the given value.

Parameters:

attribute - the attribute name

value - the value

has

public boolean has(String attribute)

Checks whether an attribute with the given name has been set.

Parameters:

attribute - the name of the attribute

Returns:

true if there is a property with the given name; false if there is no property

remove

public Serializable remove(String attribute)

Removes the named attribute.

Overrides:

remove in class NodeMap

Parameters:

attribute - the name of the attribute to remove

Returns:

the removed value, null if no value was removed

get

public String get(String attribute)

Gets the value of an attribute.

Overrides:

get in class NodeMap

Parameters:

attribute - the name of the property

Returns:

the attribute value or null if the attribute has not been set

attributes

public Stream<String> attributes()

Gets the attribute names.

Returns:

a stream of all the attribute names which have been set

setResource

public void setResource(String attribute,
 AbstractStreamResource resource)

Sets the given attribute to the given StreamResource value.

Parameters:

attribute - the attribute name

resource - the value