Class Holder<T>

java.lang.Object

org.eclipse.jetty.util.component.AbstractLifeCycle

org.eclipse.jetty.ee9.servlet.BaseHolder<T>

org.eclipse.jetty.ee9.servlet.Holder<T>

Type Parameters:

T - the type of holder

All Implemented Interfaces:

Dumpable, LifeCycle

Direct Known Subclasses:

FilterHolder, ServletHolder

@ManagedObject("Holder - a container for servlets and the like")
public abstract class Holder<T>
extends BaseHolder<T>

Holder Specialization of AbstractHolder for servlet-related classes that have init-params etc

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected class	Holder.HolderConfig
protected class	Holder.HolderRegistration

Nested classes/interfaces inherited from class AbstractLifeCycle

AbstractLifeCycle.AbstractLifeCycleListener, AbstractLifeCycle.StopException

Nested classes/interfaces inherited from interface Dumpable

Dumpable.DumpableContainer

Nested classes/interfaces inherited from interface LifeCycle

LifeCycle.Listener

Field Summary

Fields inherited from class AbstractLifeCycle

FAILED, STARTED, STARTING, STOPPED, STOPPING

Fields inherited from interface Dumpable

KEY

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	Holder(Source source)

Method Summary

Modifier and Type	Method	Description
void	destroyInstance(Object instance)
String	dump()
String	getDisplayName()
String	getInitParameter(String param)
Enumeration<String>	getInitParameterNames()
Map<String,String>	getInitParameters()
String	getName()
boolean	isAsyncSupported()
void	setAsyncSupported(boolean suspendable)
void	setClassName(String className)
void	setDisplayName(String name)
void	setHeldClass(Class<? extends T> held)
void	setInitParameter(String param, String value)
void	setInitParameters(Map<String,String> map)
protected void	setInstance(T instance)
void	setName(String name)	The name is a primary key for the held object.
String	toString()

Methods inherited from class BaseHolder

createInstance, doStart, doStop, dump, getClassName, getHeldClass, getInstance, getServletContext, getServletHandler, getSource, illegalStateIfContextStarted, initialize, isInstance, setServletHandler, unwrap, wrap

Methods inherited from class AbstractLifeCycle

addEventListener, getEventListeners, getState, getState, isFailed, isRunning, isStarted, isStarting, isStopped, isStopping, removeEventListener, setEventListeners, start, stop

Methods inherited from class Object

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

Methods inherited from interface Dumpable

dumpSelf

Constructor Details

Holder

protected Holder(Source source)

Method Details

getDisplayName

@ManagedAttribute(value="Display Name",
                  readonly=true)
public String getDisplayName()

getInitParameter

public String getInitParameter(String param)

getInitParameterNames

public Enumeration<String> getInitParameterNames()

getInitParameters

@ManagedAttribute(value="Initial Parameters",
                  readonly=true)
public Map<String,String> getInitParameters()

getName

@ManagedAttribute(value="Name",
                  readonly=true)
public String getName()

setInstance

protected void setInstance(T instance)

Overrides:

setInstance in class BaseHolder<T>

destroyInstance

public void destroyInstance(Object instance)
                     throws Exception

Throws:

Exception

setClassName

public void setClassName(String className)

Overrides:

setClassName in class BaseHolder<T>

Parameters:

className - The className to set.

setHeldClass

public void setHeldClass(Class<? extends T> held)

Overrides:

setHeldClass in class BaseHolder<T>

Parameters:

held - The class to hold

setDisplayName

public void setDisplayName(String name)

setInitParameter

public void setInitParameter(String param,
 String value)

setInitParameters

public void setInitParameters(Map<String,String> map)

setName

public void setName(String name)

The name is a primary key for the held object. Ensure that the name is set BEFORE adding a Holder (eg ServletHolder or FilterHolder) to a ServletHandler.

Parameters:

name - The name to set.

setAsyncSupported

public void setAsyncSupported(boolean suspendable)

isAsyncSupported

public boolean isAsyncSupported()

dump

public String dump()

Specified by:

dump in interface Dumpable

Overrides:

dump in class BaseHolder<T>

toString

public String toString()

Overrides:

toString in class AbstractLifeCycle