com.helger.xservlet.servletstatus

Class ServletStatusManager

java.lang.Object

com.helger.scope.singleton.AbstractSingleton

com.helger.scope.singleton.AbstractGlobalSingleton

com.helger.xservlet.servletstatus.ServletStatusManager

All Implemented Interfaces:

com.helger.scope.IScopeDestructionAware

@ThreadSafe
public final class ServletStatusManager
extends com.helger.scope.singleton.AbstractGlobalSingleton

A manager for keeping track of the default servlets states.

Since:

9.0.0

Author:

Philip Helger

Field Summary

Fields inherited from class com.helger.scope.singleton.AbstractSingleton

m_aRWLock

Constructor Summary

Constructors

Constructor and Description
ServletStatusManager() Deprecated.

Method Summary

Modifier and Type	Method and Description
com.helger.commons.collection.impl.ICommonsMap<String,ServletStatus>	getAllStatus()
static ServletStatusManager	getInstance()
ServletStatus	getStatus(Class<? extends javax.servlet.GenericServlet> aServletClass)
boolean	isServletRegistered(Class<? extends javax.servlet.GenericServlet> aServletClass) Static utility method that checks the ServletContext whether the passed servlet class is registered or not.
void	onServletCtor(Class<? extends javax.servlet.GenericServlet> aServletClass)
void	onServletDestroy(Class<? extends javax.servlet.GenericServlet> aServletClass)
void	onServletInit(Class<? extends javax.servlet.GenericServlet> aServletClass) Invoked at the beginning of the servlet initialization.
void	onServletInitFailed(Exception aInitException, Class<? extends javax.servlet.GenericServlet> aServletClass)
void	onServletInvocation(Class<? extends javax.servlet.GenericServlet> aServletClass) Invoked at the beginning of a servlet invocation
com.helger.commons.state.EChange	reset() Reset all contained information!

Methods inherited from class com.helger.scope.singleton.AbstractGlobalSingleton

getAllGlobalSingletons, getGlobalSingleton, getGlobalSingletonIfInstantiated, isGlobalSingletonInstantiated

Methods inherited from class com.helger.scope.singleton.AbstractSingleton

getAllSingletons, getSingleton, getSingletonIfInstantiated, getSingletonScopeKey, isDestroyed, isInDestruction, isInInstantiation, isInPreDestruction, isInstantiated, isSingletonInstantiated, isUsableObject, onAfterInstantiation, onBeforeDestroy, onBeforeScopeDestruction, onDestroy, onScopeDestruction, readAbstractSingletonFields, setDestroyed, setInDestruction, setInInstantiation, setInPreDestruction, setInstantiated, toString, writeAbstractSingletonFields

Methods inherited from class java.lang.Object

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

Constructor Detail

ServletStatusManager

@Deprecated
 @UsedViaReflection
public ServletStatusManager()

Deprecated.

Method Detail

getInstance

@Nonnull
public static ServletStatusManager getInstance()

reset

@Nonnull
public com.helger.commons.state.EChange reset()

Reset all contained information!

Returns:

EChange

onServletCtor

public void onServletCtor(@Nonnull
                          Class<? extends javax.servlet.GenericServlet> aServletClass)

onServletInit

public void onServletInit(@Nonnull
                          Class<? extends javax.servlet.GenericServlet> aServletClass)

Invoked at the beginning of the servlet initialization.

Parameters:

aServletClass - Relevant servlet class. May not be null.

onServletInitFailed

public void onServletInitFailed(@Nonnull
                                Exception aInitException,
                                @Nonnull
                                Class<? extends javax.servlet.GenericServlet> aServletClass)

onServletInvocation

public void onServletInvocation(@Nonnull
                                Class<? extends javax.servlet.GenericServlet> aServletClass)

Invoked at the beginning of a servlet invocation

Parameters:

aServletClass - Servlet class invoked. May not be null.

onServletDestroy

public void onServletDestroy(@Nonnull
                             Class<? extends javax.servlet.GenericServlet> aServletClass)

getStatus

@Nullable
public ServletStatus getStatus(@Nullable
                                          Class<? extends javax.servlet.GenericServlet> aServletClass)

getAllStatus

@Nonnull
 @ReturnsMutableCopy
public com.helger.commons.collection.impl.ICommonsMap<String,ServletStatus> getAllStatus()

isServletRegistered

public boolean isServletRegistered(@Nonnull
                                   Class<? extends javax.servlet.GenericServlet> aServletClass)

Static utility method that checks the ServletContext whether the passed servlet class is registered or not.

Parameters:

aServletClass - The servlet class to be checked. May not be null.

Returns:

true if the passed servlet class is contained in the ServletContext.