Package org.eclipse.jetty.util

Interface Attributes

All Known Implementing Classes:

AntWebAppContext, AttributeContainerMap, Attributes.Wrapper, AttributesMap, ContextHandler, ContextHandler.Context, ContextHandler.StaticContext, HttpConversation, HttpSpiContextHandler, MovedContextHandler, ProxyConnectionFactory.ProxyEndPoint, Server, ServletAttributes, ServletContextHandler, ServletContextHandler.Context, WebAppContext, WebAppContext.Context

public interface Attributes

Attributes. Interface commonly used for storing attributes.

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static class	Attributes.Wrapper	A Wrapper of attributes

Method Summary

Modifier and Type	Method	Description
void	clearAttributes()
Object	getAttribute(String name)
default Enumeration<String>	getAttributeNames()
Set<String>	getAttributeNameSet()
void	removeAttribute(String name)
void	setAttribute(String name, Object attribute)
static Attributes	unwrap(Attributes attributes)	Unwrap all Attributes.Wrappers of the attributes
static <T extends Attributes.Wrapper> T	unwrap(Attributes attributes, Class<T> target)	Unwrap attributes to a specific attribute Attributes.Wrapper.

Method Details

removeAttribute

void removeAttribute(String name)

setAttribute

void setAttribute(String name,
 Object attribute)

getAttribute

Object getAttribute(String name)

getAttributeNameSet

Set<String> getAttributeNameSet()

getAttributeNames

default Enumeration<String> getAttributeNames()

clearAttributes

void clearAttributes()

unwrap

static Attributes unwrap(Attributes attributes)

Unwrap all Attributes.Wrappers of the attributes

Parameters:

attributes - The attributes to unwrap, which may be a Attributes.Wrapper.

Returns:

The core attributes

unwrap

static <T extends Attributes.Wrapper> T unwrap(Attributes attributes,
 Class<T> target)

Unwrap attributes to a specific attribute Attributes.Wrapper.

Type Parameters:

T - The type of the target Attributes.Wrapper.

Parameters:

attributes - The attributes to unwrap, which may be a Attributes.Wrapper

target - The target Attributes.Wrapper class.

Returns:

The outermost Attributes.Wrapper of the matching type of null if not found.