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## org.apache.catalina.core
Class StandardContext

    java.lang.Object
      |
      +--org.apache.catalina.core.ContainerBase
            |
            +--org.apache.catalina.core.StandardContext

All Implemented Interfaces:
  Container, Context, Lifecycle, Pipeline

public class StandardContext
extends ContainerBase
implements Context

Standard implementation of the Context interface. Each child container must be a Wrapper implementation to process the requests directed to a particular servlet.

Version:
  $Revision: 1.78.2.5 $ $Date: 2001/10/12 23:49:26 $
Author:
  Craig R. McClanahan, Remy Maucherat

Field Summary
`protected boolean` | `cachingAllowed` Caching allowed flag.

Fields inherited from class org.apache.catalina.core.ContainerBase
`children, cluster, debug, lifecycle, listeners, loader, logger, manager, mapper, mapperClass, mappers, name, parent, parentClassLoader, pipeline, realm, resources, sm, started, support`

Fields inherited from interface org.apache.catalina.Container
`ADD_CHILD_EVENT, ADD_MAPPER_EVENT, ADD_VALVE_EVENT, REMOVE_CHILD_EVENT, REMOVE_MAPPER_EVENT, REMOVE_VALVE_EVENT`

Fields inherited from interface org.apache.catalina.Lifecycle
`START_EVENT, STOP_EVENT`

Constructor Summary
`StandardContext()` Create a new StandardContext component with the default basic Valve.

Method Summary
`void` | `addApplicationListener(java.lang.String listener)` Add a new Listener class name to the set of Listeners configured for this application.
`void` | `addApplicationParameter(ApplicationParameter parameter)` Add a new application parameter for this application.
`void` | `addChild(Container child)` Add a child Container, only if the proposed child is an implementation of Wrapper.
`void` | `addConstraint(SecurityConstraint constraint)` Add a security constraint to the set for this web application.
`protected void` | `addDefaultMapper(java.lang.String mapperClass)` Add a default Mapper implementation if none have been configured explicitly.
`void` | `addEjb(ContextEjb ejb)` Add an EJB resource reference for this web application.
`void` | `addEnvironment(ContextEnvironment environment)` Add an environment entry for this web application.
`void` | `addErrorPage(ErrorPage errorPage)` Add an error page for the specified error or Java exception.
`void` | `addFilterDef(FilterDef filterDef)` Add a filter definition to this Context.
`void` | `addFilterMap(FilterMap filterMap)` Add a filter mapping to this Context.
`void` | `addInstanceListener(java.lang.String listener)` Add the classname of an InstanceListener to be added to each Wrapper appended to this Context.
`void` | `addLocalEjb(ContextLocalEjb ejb)` Add a local EJB resource reference for this web application.
`void` | `addMimeMapping(java.lang.String extension, java.lang.String mimeType)` Add a new MIME mapping, replacing any existing mapping for the specified extension.
`void` | `addParameter(java.lang.String name, java.lang.String value)` Add a new context initialization parameter, replacing any existing value for the specified name.
`void` | `addResource(ContextResource resource)` Add a resource reference for this web application.
`void` | `addResourceEnvRef(java.lang.String name, java.lang.String type)` Add a resource environment reference for this web application.
`void` | `addResourceParams(ResourceParams resourceParameters)` Add resource parameters for this web application.
`void` | `addRoleMapping(java.lang.String role, java.lang.String link)` Add a security role reference for this web application.
`void` | `addSecurityRole(java.lang.String role)` Add a new security role for this web application.
`void` | `addServletMapping(java.lang.String pattern, java.lang.String name)` Add a new servlet mapping, replacing any existing mapping for the specified pattern.
`void` | `addTaglib(java.lang.String uri, java.lang.String location)` Add a JSP tag library for the specified URI.
`void` | `addWelcomeFile(java.lang.String name)` Add a new welcome file to the set recognized by this Context.
`void` | `addWrapperLifecycle(java.lang.String listener)` Add the classname of a LifecycleListener to be added to each Wrapper appended to this Context.
`void` | `addWrapperListener(java.lang.String listener)` Add the classname of a ContainerListener to be added to each Wrapper appended to this Context.
`protected java.lang.String` | `adjustURLPattern(java.lang.String urlPattern)` Adjust the URL pattern to begin with a leading slash, if appropriate (i.e.
`Wrapper` | `createWrapper()` Factory method to create and return a new Wrapper instance, of the Java implementation class appropriate for this Context implementation.
`protected java.io.File` | `engineBase()` Return a File object representing the base directory for the entire servlet container (i.e.
`boolean` | `filterStart()` Configure and initialize the set of filters for this Context.
`boolean` | `filterStop()` Finalize and release the set of filters for this Context.
`java.lang.String[]` | `findApplicationListeners()` Return the set of application listener class names configured for this application.
`ApplicationParameter[]` | `findApplicationParameters()` Return the set of application parameters for this application.
`SecurityConstraint[]` | `findConstraints()` Return the security constraints for this web application.
`ContextEjb` | `findEjb(java.lang.String name)` Return the EJB resource reference with the specified name, if any; otherwise, return `null`.
`ContextEjb[]` | `findEjbs()` Return the defined EJB resource references for this application.
`ContextEnvironment` | `findEnvironment(java.lang.String name)` Return the environment entry with the specified name, if any; otherwise, return `null`.
`ContextEnvironment[]` | `findEnvironments()` Return the set of defined environment entries for this web application.
`ErrorPage` | `findErrorPage(int errorCode)` Return the error page entry for the specified HTTP error code, if any; otherwise return `null`.
`ErrorPage` | `findErrorPage(java.lang.String exceptionType)` Return the error page entry for the specified Java exception type, if any; otherwise return `null`.
`ErrorPage[]` | `findErrorPages()` Return the set of defined error pages for all specified error codes and exception types.
`javax.servlet.FilterConfig` | `findFilterConfig(java.lang.String name)` Find and return the initialized `FilterConfig` for the specified filter name, if any; otherwise return `null`.
`FilterDef` | `findFilterDef(java.lang.String filterName)` Return the filter definition for the specified filter name, if any; otherwise return `null`.
`FilterDef[]` | `findFilterDefs()` Return the set of defined filters for this Context.
`FilterMap[]` | `findFilterMaps()` Return the set of filter mappings for this Context.
`java.lang.String[]` | `findInstanceListeners()` Return the set of InstanceListener classes that will be added to newly created Wrappers automatically.
`ContextLocalEjb` | `findLocalEjb(java.lang.String name)` Return the local EJB resource reference with the specified name, if any; otherwise, return `null`.
`ContextLocalEjb[]` | `findLocalEjbs()` Return the defined local EJB resource references for this application.
`java.lang.String` | `findMimeMapping(java.lang.String extension)` Return the MIME type to which the specified extension is mapped, if any; otherwise return `null`.
`java.lang.String[]` | `findMimeMappings()` Return the extensions for which MIME mappings are defined.
`java.lang.String` | `findParameter(java.lang.String name)` Return the value for the specified context initialization parameter name, if any; otherwise return `null`.
`java.lang.String[]` | `findParameters()` Return the names of all defined context initialization parameters for this Context.
`ContextResource` | `findResource(java.lang.String name)` Return the resource reference with the specified name, if any; otherwise return `null`.
`java.lang.String` | `findResourceEnvRef(java.lang.String name)` Return the resource environment reference type for the specified name, if any; otherwise return `null`.
`java.lang.String[]` | `findResourceEnvRefs()` Return the set of resource environment reference names for this web application.
`ContextResource[]` | `findResources()` Return the defined resource references for this application.
`java.lang.String` | `findRoleMapping(java.lang.String role)` For the given security role (as used by an application), return the corresponding role name (as defined by the underlying Realm) if there is one.
`boolean` | `findSecurityRole(java.lang.String role)` Return `true` if the specified security role is defined for this application; otherwise return `false`.
`java.lang.String[]` | `findSecurityRoles()` Return the security roles defined for this application.
`java.lang.String` | `findServletMapping(java.lang.String pattern)` Return the servlet name mapped by the specified pattern (if any); otherwise return `null`.
`java.lang.String[]` | `findServletMappings()` Return the patterns of all defined servlet mappings for this Context.
`java.lang.String` | `findStatusPage(int status)` Return the context-relative URI of the error page for the specified HTTP status code, if any; otherwise return `null`.
`int[]` | `findStatusPages()` Return the set of HTTP status codes for which error pages have been specified.
`java.lang.String` | `findTaglib(java.lang.String uri)` Return the tag library descriptor location for the specified taglib URI, if any; otherwise, return `null`.
`java.lang.String[]` | `findTaglibs()` Return the URIs of all tag libraries for which a tag library descriptor location has been specified.
`boolean` | `findWelcomeFile(java.lang.String name)` Return `true` if the specified welcome file is defined for this Context; otherwise return `false`.
`java.lang.String[]` | `findWelcomeFiles()` Return the set of welcome files defined for this Context.
`java.lang.String[]` | `findWrapperLifecycles()` Return the set of LifecycleListener classes that will be added to newly created Wrappers automatically.
`java.lang.String[]` | `findWrapperListeners()` Return the set of ContainerListener classes that will be added to newly created Wrappers automatically.
`java.lang.Object[]` | `getApplicationListeners()` Return the set of initialized application listener objects, in the order they were specified in the web application deployment descriptor, for this application.
`boolean` | `getAvailable()` Return the application available flag for this Context.
`CharsetMapper` | `getCharsetMapper()` Return the Locale to character set mapper for this Context.
`java.lang.String` | `getCharsetMapperClass()` Return the Locale to character set mapper class for this Context.
`boolean` | `getConfigured()` Return the "correctly configured" flag for this Context.
`boolean` | `getCookies()` Return the "use cookies for session ids" flag.
`boolean` | `getCrossContext()` Return the "allow crossing servlet contexts" flag.
`java.lang.String` | `getDisplayName()` Return the display name of this web application.
`boolean` | `getDistributable()` Return the distributable flag for this web application.
`java.lang.String` | `getDocBase()` Return the document root for this Context.
`java.lang.String` | `getInfo()` Return descriptive information about this Container implementation and the corresponding version number, in the format `<description>/<version>`.
`LoginConfig` | `getLoginConfig()` Return the login configuration descriptor for this web application.
`java.lang.String` | `getMapperClass()` Return the default Mapper class name.
`boolean` | `getOverride()` Return the DefaultContext override flag for this web application.
`java.lang.String` | `getPath()` Return the context path for this Context.
`boolean` | `getPrivileged()` Return the privileged flag for this web application.
`java.lang.String` | `getPublicId()` Return the public identifier of the deployment descriptor DTD that is currently being parsed.
`boolean` | `getReloadable()` Return the reloadable flag for this web application.
`javax.servlet.ServletContext` | `getServletContext()` Return the servlet context for which this Context is a facade.
`int` | `getSessionTimeout()` Return the default session timeout (in minutes) for this web application.
`java.lang.String` | `getWorkDir()` Return the work directory for this Context.
`java.lang.String` | `getWrapperClass()` Return the Java class name of the Wrapper implementation used for servlets registered in this Context.
`void` | `invoke(Request request, Response response)` Process the specified Request, and generate the corresponding Response, according to the design of this particular Container.
`boolean` | `isCachingAllowed()` Is caching allowed ?
`boolean` | `isFilesystemBased()` Returns true if the resources associated with this context are filesystem based.
`boolean` | `isReplaceWelcomeFiles()` Return the "replace welcome files" property.
`protected boolean` | `isServlet22()` Are we processing a version 2.2 deployment descriptor?
`boolean` | `isUseNaming()` Returns true if the internal naming support is used.
`boolean` | `listenerStart()` Configure the set of instantiated application event listeners for this Context.
`boolean` | `listenerStop()` Send an application stop event to all interested listeners.
`void` | `loadOnStartup(Container[] children)` Load and initialize all servlets marked "load on startup" in the web application deployment descriptor.
`void` | `reload()` Reload this web application, if reloading is supported.
`void` | `removeApplicationListener(java.lang.String listener)` Remove the specified application listener class from the set of listeners for this application.
`void` | `removeApplicationParameter(java.lang.String name)` Remove the application parameter with the specified name from the set for this application.
`void` | `removeConstraint(SecurityConstraint constraint)` Remove the specified security constraint from this web application.
`void` | `removeEjb(java.lang.String name)` Remove any EJB resource reference with the specified name.
`void` | `removeEnvironment(java.lang.String name)` Remove any environment entry with the specified name.
`void` | `removeErrorPage(ErrorPage errorPage)` Remove the error page for the specified error code or Java language exception, if it exists; otherwise, no action is taken.
`void` | `removeFilterDef(FilterDef filterDef)` Remove the specified filter definition from this Context, if it exists; otherwise, no action is taken.
`void` | `removeFilterMap(FilterMap filterMap)` Remove a filter mapping from this Context.
`void` | `removeInstanceListener(java.lang.String listener)` Remove a class name from the set of InstanceListener classes that will be added to newly created Wrappers.
`void` | `removeLocalEjb(java.lang.String name)` Remove any local EJB resource reference with the specified name.
`void` | `removeMimeMapping(java.lang.String extension)` Remove the MIME mapping for the specified extension, if it exists; otherwise, no action is taken.
`void` | `removeParameter(java.lang.String name)` Remove the context initialization parameter with the specified name, if it exists; otherwise, no action is taken.
`void` | `removeResource(java.lang.String name)` Remove any resource reference with the specified name.
`void` | `removeResourceEnvRef(java.lang.String name)` Remove any resource environment reference with the specified name.
`void` | `removeRoleMapping(java.lang.String role)` Remove any security role reference for the specified name
`void` | `removeSecurityRole(java.lang.String role)` Remove any security role with the specified name.
`void` | `removeServletMapping(java.lang.String pattern)` Remove any servlet mapping for the specified pattern, if it exists; otherwise, no action is taken.
`void` | `removeTaglib(java.lang.String uri)` Remove the tag library location forthe specified tag library URI.
`void` | `removeWelcomeFile(java.lang.String name)` Remove the specified welcome file name from the list recognized by this Context.
`void` | `removeWrapperLifecycle(java.lang.String listener)` Remove a class name from the set of LifecycleListener classes that will be added to newly created Wrappers.
`void` | `removeWrapperListener(java.lang.String listener)` Remove a class name from the set of ContainerListener classes that will be added to newly created Wrappers.
`void` | `setApplicationListeners(java.lang.Object[] listeners)` Store the set of initialized application listener objects, in the order they were specified in the web application deployment descriptor, for this application.
`void` | `setAvailable(boolean available)` Set the application available flag for this Context.
`void` | `setCachingAllowed(boolean cachingAllowed)` Set caching allowed flag.
`void` | `setCharsetMapper(CharsetMapper mapper)` Set the Locale to character set mapper for this Context.
`void` | `setCharsetMapperClass(java.lang.String mapper)` Set the Locale to character set mapper class for this Context.
`void` | `setConfigured(boolean configured)` Set the "correctly configured" flag for this Context.
`void` | `setCookies(boolean cookies)` Set the "use cookies for session ids" flag.
`void` | `setCrossContext(boolean crossContext)` Set the "allow crossing servlet contexts" flag.
`void` | `setDisplayName(java.lang.String displayName)` Set the display name of this web application.
`void` | `setDistributable(boolean distributable)` Set the distributable flag for this web application.
`void` | `setDocBase(java.lang.String docBase)` Set the document root for this Context.
`void` | `setLoader(Loader loader)` Set the Loader with which this Context is associated.
`void` | `setLoginConfig(LoginConfig config)` Set the login configuration descriptor for this web application.
`void` | `setMapperClass(java.lang.String mapperClass)` Set the default Mapper class name.
`void` | `setOverride(boolean override)` Set the DefaultContext override flag for this web application.
`void` | `setPath(java.lang.String path)` Set the context path for this Context.
`void` | `setPrivileged(boolean privileged)` Set the privileged flag for this web application.
`void` | `setPublicId(java.lang.String publicId)` Set the public identifier of the deployment descriptor DTD that is currently being parsed.
`void` | `setReloadable(boolean reloadable)` Set the reloadable flag for this web application.
`void` | `setReplaceWelcomeFiles(boolean replaceWelcomeFiles)` Set the "replace welcome files" property.
`void` | `setResources(javax.naming.directory.DirContext resources)` Set the resources DirContext object with which this Container is associated.
`void` | `setSessionTimeout(int timeout)` Set the default session timeout (in minutes) for this web application.
`void` | `setUseNaming(boolean useNaming)` Enables or disables naming.
`void` | `setWorkDir(java.lang.String workDir)` Set the work directory for this Context.
`void` | `setWrapperClass(java.lang.String wrapperClass)` Set the Java class name of the Wrapper implementation used for servlets registered in this Context.
`void` | `start()` Start this Context component.
`void` | `stop()` Stop this Context component.
`java.lang.String` | `toString()` Return a String representation of this component.

Methods inherited from class org.apache.catalina.core.ContainerBase
`addContainerListener, addLifecycleListener, addMapper, addPropertyChangeListener, addValve, findChild, findChildren, findMapper, findMappers, fireContainerEvent, getBasic, getCluster, getDebug, getLoader, getLogger, getManager, getName, getParent, getParentClassLoader, getPipeline, getRealm, getResources, getValves, log, log, logName, map, removeChild, removeContainerListener, removeLifecycleListener, removeMapper, removePropertyChangeListener, removeValve, setBasic, setCluster, setDebug, setLogger, setManager, setName, setParent, setParentClassLoader, setRealm`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Methods inherited from interface org.apache.catalina.Container
`addContainerListener, addMapper, addPropertyChangeListener, findChild, findChildren, findMapper, findMappers, getCluster, getLoader, getLogger, getManager, getName, getParent, getParentClassLoader, getRealm, getResources, map, removeChild, removeContainerListener, removeMapper, removePropertyChangeListener, setCluster, setLogger, setManager, setName, setParent, setParentClassLoader, setRealm`

Field Detail

### cachingAllowed

    protected boolean cachingAllowed

  Caching allowed flag.

Constructor Detail

### StandardContext

    public StandardContext()

  Create a new StandardContext component with the default basic Valve.

Method Detail

### isCachingAllowed

    public boolean isCachingAllowed()

  Is caching allowed ?

### setCachingAllowed

    public void setCachingAllowed(boolean cachingAllowed)

  Set caching allowed flag.

### isUseNaming

    public boolean isUseNaming()

  Returns true if the internal naming support is used.

### setUseNaming

    public void setUseNaming(boolean useNaming)

  Enables or disables naming.

### isFilesystemBased

    public boolean isFilesystemBased()

  Returns true if the resources associated with this context are filesystem based.

### getApplicationListeners

    public java.lang.Object[] getApplicationListeners()

  Return the set of initialized application listener objects, in the order they were specified in the web application deployment descriptor, for this application.
  Specified by:
    `getApplicationListeners` in interface `Context`
  Throws:
    `java.lang.IllegalStateException` - if this method is called before this application has started, or after it has been stopped

### setApplicationListeners

    public void setApplicationListeners(java.lang.Object[] listeners)

  Store the set of initialized application listener objects, in the order they were specified in the web application deployment descriptor, for this application.
  Specified by:
    `setApplicationListeners` in interface `Context`
  Parameters:
    `listeners` - The set of instantiated listener objects.

### getAvailable

    public boolean getAvailable()

  Return the application available flag for this Context.
  Specified by:
    `getAvailable` in interface `Context`

### setAvailable

    public void setAvailable(boolean available)

  Set the application available flag for this Context.
  Specified by:
    `setAvailable` in interface `Context`
  Parameters:
    `available` - The new application available flag

### getCharsetMapper

    public CharsetMapper getCharsetMapper()

  Return the Locale to character set mapper for this Context.
  Specified by:
    `getCharsetMapper` in interface `Context`

### setCharsetMapper

    public void setCharsetMapper(CharsetMapper mapper)

  Set the Locale to character set mapper for this Context.
  Specified by:
    `setCharsetMapper` in interface `Context`
  Parameters:
    `mapper` - The new mapper

### getConfigured

    public boolean getConfigured()

  Return the "correctly configured" flag for this Context.
  Specified by:
    `getConfigured` in interface `Context`

### setConfigured

    public void setConfigured(boolean configured)

  Set the "correctly configured" flag for this Context. This can be set to false by startup listeners that detect a fatal configuration error to avoid the application from being made available.
  Specified by:
    `setConfigured` in interface `Context`
  Parameters:
    `configured` - The new correctly configured flag

### getCookies

    public boolean getCookies()

  Return the "use cookies for session ids" flag.
  Specified by:
    `getCookies` in interface `Context`

### setCookies

    public void setCookies(boolean cookies)

  Set the "use cookies for session ids" flag.
  Specified by:
    `setCookies` in interface `Context`
  Parameters:
    `cookies` - The new flag

### getCrossContext

    public boolean getCrossContext()

  Return the "allow crossing servlet contexts" flag.
  Specified by:
    `getCrossContext` in interface `Context`

### setCrossContext

    public void setCrossContext(boolean crossContext)

  Set the "allow crossing servlet contexts" flag.
  Specified by:
    `setCrossContext` in interface `Context`
  Parameters:
    `crossContext` - The new cross contexts flag

### getDisplayName

    public java.lang.String getDisplayName()

  Return the display name of this web application.
  Specified by:
    `getDisplayName` in interface `Context`

### setDisplayName

    public void setDisplayName(java.lang.String displayName)

  Set the display name of this web application.
  Specified by:
    `setDisplayName` in interface `Context`
  Parameters:
    `displayName` - The new display name

### getDistributable

    public boolean getDistributable()

  Return the distributable flag for this web application.
  Specified by:
    `getDistributable` in interface `Context`

### setDistributable

    public void setDistributable(boolean distributable)

  Set the distributable flag for this web application.
  Specified by:
    `setDistributable` in interface `Context`
  Parameters:
    `distributable` - The new distributable flag

### getDocBase

    public java.lang.String getDocBase()

  Return the document root for this Context. This can be an absolute pathname, a relative pathname, or a URL.
  Specified by:
    `getDocBase` in interface `Context`

### setDocBase

    public void setDocBase(java.lang.String docBase)

  Set the document root for this Context. This can be an absolute pathname, a relative pathname, or a URL.
  Specified by:
    `setDocBase` in interface `Context`
  Parameters:
    `docBase` - The new document root

### getInfo

    public java.lang.String getInfo()

  Return descriptive information about this Container implementation and the corresponding version number, in the format `<description>/<version>`.
  Specified by:
    `getInfo` in interface `Container`
  Overrides:
    `getInfo` in class `ContainerBase`

### setLoader

    public void setLoader(Loader loader)

  Set the Loader with which this Context is associated.
  Specified by:
    `setLoader` in interface `Container`
  Overrides:
    `setLoader` in class `ContainerBase`
  Parameters:
    `loader` - The newly associated loader

### getLoginConfig

    public LoginConfig getLoginConfig()

  Return the login configuration descriptor for this web application.
  Specified by:
    `getLoginConfig` in interface `Context`

### setLoginConfig

    public void setLoginConfig(LoginConfig config)

  Set the login configuration descriptor for this web application.
  Specified by:
    `setLoginConfig` in interface `Context`
  Parameters:
    `config` - The new login configuration

### getPath

    public java.lang.String getPath()

  Return the context path for this Context.
  Specified by:
    `getPath` in interface `Context`

### setPath

    public void setPath(java.lang.String path)

  Set the context path for this Context.

  IMPLEMENTATION NOTE: The context path is used as the "name" of a Context, because it must be unique.

  Specified by:
    `setPath` in interface `Context`
  Parameters:
    `path` - The new context path

### getPublicId

    public java.lang.String getPublicId()

  Return the public identifier of the deployment descriptor DTD that is currently being parsed.
  Specified by:
    `getPublicId` in interface `Context`

### setPublicId

    public void setPublicId(java.lang.String publicId)

  Set the public identifier of the deployment descriptor DTD that is currently being parsed.
  Specified by:
    `setPublicId` in interface `Context`
  Parameters:
    `publicId` - The public identifier

### getReloadable

    public boolean getReloadable()

  Return the reloadable flag for this web application.
  Specified by:
    `getReloadable` in interface `Context`

### getOverride

    public boolean getOverride()

  Return the DefaultContext override flag for this web application.
  Specified by:
    `getOverride` in interface `Context`

### setReloadable

    public void setReloadable(boolean reloadable)

  Set the reloadable flag for this web application.
  Specified by:
    `setReloadable` in interface `Context`
  Parameters:
    `reloadable` - The new reloadable flag

### setOverride

    public void setOverride(boolean override)

  Set the DefaultContext override flag for this web application.
  Specified by:
    `setOverride` in interface `Context`
  Parameters:
    `override` - The new override flag

### getPrivileged

    public boolean getPrivileged()

  Return the privileged flag for this web application.
  Specified by:
    `getPrivileged` in interface `Context`

### setPrivileged

    public void setPrivileged(boolean privileged)

  Set the privileged flag for this web application.
  Specified by:
    `setPrivileged` in interface `Context`
  Parameters:
    `privileged` - The new privileged flag

### isReplaceWelcomeFiles

    public boolean isReplaceWelcomeFiles()

  Return the "replace welcome files" property.

### setReplaceWelcomeFiles

    public void setReplaceWelcomeFiles(boolean replaceWelcomeFiles)

  Set the "replace welcome files" property.
  Parameters:
    `replaceWelcomeFiles` - The new property value

### getServletContext

    public javax.servlet.ServletContext getServletContext()

  Return the servlet context for which this Context is a facade.
  Specified by:
    `getServletContext` in interface `Context`

### getSessionTimeout

    public int getSessionTimeout()

  Return the default session timeout (in minutes) for this web application.
  Specified by:
    `getSessionTimeout` in interface `Context`

### setSessionTimeout

    public void setSessionTimeout(int timeout)

  Set the default session timeout (in minutes) for this web application.
  Specified by:
    `setSessionTimeout` in interface `Context`
  Parameters:
    `timeout` - The new default session timeout

### getWrapperClass

    public java.lang.String getWrapperClass()

  Return the Java class name of the Wrapper implementation used for servlets registered in this Context.
  Specified by:
    `getWrapperClass` in interface `Context`

### setWrapperClass

    public void setWrapperClass(java.lang.String wrapperClass)

  Set the Java class name of the Wrapper implementation used for servlets registered in this Context.
  Specified by:
    `setWrapperClass` in interface `Context`
  Parameters:
    `wrapperClass` - The new wrapper class

### setResources

    public void setResources(javax.naming.directory.DirContext resources)

  Set the resources DirContext object with which this Container is associated.
  Specified by:
    `setResources` in interface `Container`
  Overrides:
    `setResources` in class `ContainerBase`
  Parameters:
    `resources` - The newly associated DirContext

### getCharsetMapperClass

    public java.lang.String getCharsetMapperClass()

  Return the Locale to character set mapper class for this Context.

### setCharsetMapperClass

    public void setCharsetMapperClass(java.lang.String mapper)

  Set the Locale to character set mapper class for this Context.
  Parameters:
    `mapper` - The new mapper class

### getMapperClass

    public java.lang.String getMapperClass()

  Return the default Mapper class name.

### setMapperClass

    public void setMapperClass(java.lang.String mapperClass)

  Set the default Mapper class name.
  Parameters:
    `mapperClass` - The new default Mapper class name

### getWorkDir

    public java.lang.String getWorkDir()

  Return the work directory for this Context.

### setWorkDir

    public void setWorkDir(java.lang.String workDir)

  Set the work directory for this Context.
  Parameters:
    `workDir` - The new work directory

### addApplicationListener

    public void addApplicationListener(java.lang.String listener)

  Add a new Listener class name to the set of Listeners configured for this application.
  Specified by:
    `addApplicationListener` in interface `Context`
  Parameters:
    `listener` - Java class name of a listener class

### addApplicationParameter

    public void addApplicationParameter(ApplicationParameter parameter)

  Add a new application parameter for this application.
  Specified by:
    `addApplicationParameter` in interface `Context`
  Parameters:
    `parameter` - The new application parameter

### addChild

    public void addChild(Container child)

  Add a child Container, only if the proposed child is an implementation of Wrapper.
  Specified by:
    `addChild` in interface `Container`
  Overrides:
    `addChild` in class `ContainerBase`
  Parameters:
    `child` - Child container to be added
  Throws:
    `java.lang.IllegalArgumentException` - if the proposed container is not an implementation of Wrapper

### addConstraint

    public void addConstraint(SecurityConstraint constraint)

  Add a security constraint to the set for this web application.
  Specified by:
    `addConstraint` in interface `Context`

### addEjb

    public void addEjb(ContextEjb ejb)

  Add an EJB resource reference for this web application.
  Specified by:
    `addEjb` in interface `Context`
  Parameters:
    `ejb` - New EJB resource reference

### addEnvironment

    public void addEnvironment(ContextEnvironment environment)

  Add an environment entry for this web application.
  Specified by:
    `addEnvironment` in interface `Context`
  Parameters:
    `environment` - New environment entry

### addResourceParams

    public void addResourceParams(ResourceParams resourceParameters)

  Add resource parameters for this web application.
  Parameters:
    `resourceParameters` - New resource parameters

### addErrorPage

    public void addErrorPage(ErrorPage errorPage)

  Add an error page for the specified error or Java exception.
  Specified by:
    `addErrorPage` in interface `Context`
  Parameters:
    `errorPage` - The error page definition to be added

### addFilterDef

    public void addFilterDef(FilterDef filterDef)

  Add a filter definition to this Context.
  Specified by:
    `addFilterDef` in interface `Context`
  Parameters:
    `filterDef` - The filter definition to be added

### addFilterMap

    public void addFilterMap(FilterMap filterMap)

  Add a filter mapping to this Context.
  Specified by:
    `addFilterMap` in interface `Context`
  Parameters:
    `filterMap` - The filter mapping to be added
  Throws:
    `java.lang.IllegalArgumentException` - if the specified filter name does not match an existing filter definition, or the filter mapping is malformed

### addInstanceListener

    public void addInstanceListener(java.lang.String listener)

  Add the classname of an InstanceListener to be added to each Wrapper appended to this Context.
  Specified by:
    `addInstanceListener` in interface `Context`
  Parameters:
    `listener` - Java class name of an InstanceListener class

### addLocalEjb

    public void addLocalEjb(ContextLocalEjb ejb)

  Add a local EJB resource reference for this web application.
  Specified by:
    `addLocalEjb` in interface `Context`
  Parameters:
    `ejb` - New EJB resource reference

### addMimeMapping

    public void addMimeMapping(java.lang.String extension,
                               java.lang.String mimeType)

  Add a new MIME mapping, replacing any existing mapping for the specified extension.
  Specified by:
    `addMimeMapping` in interface `Context`
  Parameters:
    `extension` - Filename extension being mapped
    `mimeType` - Corresponding MIME type

### addParameter

    public void addParameter(java.lang.String name,
                             java.lang.String value)

  Add a new context initialization parameter, replacing any existing value for the specified name.
  Specified by:
    `addParameter` in interface `Context`
  Parameters:
    `name` - Name of the new parameter
    `value` - Value of the new parameter
  Throws:
    `java.lang.IllegalArgumentException` - if the name or value is missing, or if this context initialization parameter has already been registered

### addResource

    public void addResource(ContextResource resource)

  Add a resource reference for this web application.
  Specified by:
    `addResource` in interface `Context`
  Parameters:
    `resource` - New resource reference

### addResourceEnvRef

    public void addResourceEnvRef(java.lang.String name,
                                  java.lang.String type)

  Add a resource environment reference for this web application.
  Specified by:
    `addResourceEnvRef` in interface `Context`
  Parameters:
    `name` - The resource environment reference name
    `type` - The resource environment reference type

### addRoleMapping

    public void addRoleMapping(java.lang.String role,
                               java.lang.String link)

  Add a security role reference for this web application.
  Specified by:
    `addRoleMapping` in interface `Context`
  Parameters:
    `role` - Security role used in the application
    `link` - Actual security role to check for

### addSecurityRole

    public void addSecurityRole(java.lang.String role)

  Add a new security role for this web application.
  Specified by:
    `addSecurityRole` in interface `Context`
  Parameters:
    `role` - New security role

### addServletMapping

    public void addServletMapping(java.lang.String pattern,
                                  java.lang.String name)

  Add a new servlet mapping, replacing any existing mapping for the specified pattern.
  Specified by:
    `addServletMapping` in interface `Context`
  Parameters:
    `pattern` - URL pattern to be mapped
    `name` - Name of the corresponding servlet to execute
  Throws:
    `java.lang.IllegalArgumentException` - if the specified servlet name is not known to this Context

### addTaglib

    public void addTaglib(java.lang.String uri,
                          java.lang.String location)

  Add a JSP tag library for the specified URI.
  Specified by:
    `addTaglib` in interface `Context`
  Parameters:
    `uri` - URI, relative to the web.xml file, of this tag library
    `location` - Location of the tag library descriptor

### addWelcomeFile

    public void addWelcomeFile(java.lang.String name)

  Add a new welcome file to the set recognized by this Context.
  Specified by:
    `addWelcomeFile` in interface `Context`
  Parameters:
    `name` - New welcome file name

### addWrapperLifecycle

    public void addWrapperLifecycle(java.lang.String listener)

  Add the classname of a LifecycleListener to be added to each Wrapper appended to this Context.
  Specified by:
    `addWrapperLifecycle` in interface `Context`
  Parameters:
    `listener` - Java class name of a LifecycleListener class

### addWrapperListener

    public void addWrapperListener(java.lang.String listener)

  Add the classname of a ContainerListener to be added to each Wrapper appended to this Context.
  Specified by:
    `addWrapperListener` in interface `Context`
  Parameters:
    `listener` - Java class name of a ContainerListener class

### createWrapper

    public Wrapper createWrapper()

  Factory method to create and return a new Wrapper instance, of the Java implementation class appropriate for this Context implementation. The constructor of the instantiated Wrapper will have been called, but no properties will have been set.
  Specified by:
    `createWrapper` in interface `Context`

### findApplicationListeners

    public java.lang.String[] findApplicationListeners()

  Return the set of application listener class names configured for this application.
  Specified by:
    `findApplicationListeners` in interface `Context`

### findApplicationParameters

    public ApplicationParameter[] findApplicationParameters()

  Return the set of application parameters for this application.
  Specified by:
    `findApplicationParameters` in interface `Context`

### findConstraints

    public SecurityConstraint[] findConstraints()

  Return the security constraints for this web application. If there are none, a zero-length array is returned.
  Specified by:
    `findConstraints` in interface `Context`

### findEjb

    public ContextEjb findEjb(java.lang.String name)

  Return the EJB resource reference with the specified name, if any; otherwise, return `null`.
  Specified by:
    `findEjb` in interface `Context`
  Parameters:
    `name` - Name of the desired EJB resource reference

### findEjbs

    public ContextEjb[] findEjbs()

  Return the defined EJB resource references for this application. If there are none, a zero-length array is returned.
  Specified by:
    `findEjbs` in interface `Context`

### findEnvironment

    public ContextEnvironment findEnvironment(java.lang.String name)

  Return the environment entry with the specified name, if any; otherwise, return `null`.
  Specified by:
    `findEnvironment` in interface `Context`
  Parameters:
    `name` - Name of the desired environment entry

### findEnvironments

    public ContextEnvironment[] findEnvironments()

  Return the set of defined environment entries for this web application. If none have been defined, a zero-length array is returned.
  Specified by:
    `findEnvironments` in interface `Context`

### findErrorPage

    public ErrorPage findErrorPage(int errorCode)

  Return the error page entry for the specified HTTP error code, if any; otherwise return `null`.
  Specified by:
    `findErrorPage` in interface `Context`
  Parameters:
    `errorCode` - Error code to look up

### findErrorPage

    public ErrorPage findErrorPage(java.lang.String exceptionType)

  Return the error page entry for the specified Java exception type, if any; otherwise return `null`.
  Specified by:
    `findErrorPage` in interface `Context`
  Parameters:
    `exceptionType` - Exception type to look up

### findErrorPages

    public ErrorPage[] findErrorPages()

  Return the set of defined error pages for all specified error codes and exception types.
  Specified by:
    `findErrorPages` in interface `Context`

### findFilterDef

    public FilterDef findFilterDef(java.lang.String filterName)

  Return the filter definition for the specified filter name, if any; otherwise return `null`.
  Specified by:
    `findFilterDef` in interface `Context`
  Parameters:
    `filterName` - Filter name to look up

### findFilterDefs

    public FilterDef[] findFilterDefs()

  Return the set of defined filters for this Context.
  Specified by:
    `findFilterDefs` in interface `Context`

### findFilterMaps

    public FilterMap[] findFilterMaps()

  Return the set of filter mappings for this Context.
  Specified by:
    `findFilterMaps` in interface `Context`

### findInstanceListeners

    public java.lang.String[] findInstanceListeners()

  Return the set of InstanceListener classes that will be added to newly created Wrappers automatically.
  Specified by:
    `findInstanceListeners` in interface `Context`

### findLocalEjb

    public ContextLocalEjb findLocalEjb(java.lang.String name)

  Return the local EJB resource reference with the specified name, if any; otherwise, return `null`.
  Specified by:
    `findLocalEjb` in interface `Context`
  Parameters:
    `name` - Name of the desired EJB resource reference

### findLocalEjbs

    public ContextLocalEjb[] findLocalEjbs()

  Return the defined local EJB resource references for this application. If there are none, a zero-length array is returned.
  Specified by:
    `findLocalEjbs` in interface `Context`

### findMimeMapping

    public java.lang.String findMimeMapping(java.lang.String extension)

  Return the MIME type to which the specified extension is mapped, if any; otherwise return `null`.
  Specified by:
    `findMimeMapping` in interface `Context`
  Parameters:
    `extension` - Extension to map to a MIME type

### findMimeMappings

    public java.lang.String[] findMimeMappings()

  Return the extensions for which MIME mappings are defined. If there are none, a zero-length array is returned.
  Specified by:
    `findMimeMappings` in interface `Context`

### findParameter

    public java.lang.String findParameter(java.lang.String name)

  Return the value for the specified context initialization parameter name, if any; otherwise return `null`.
  Specified by:
    `findParameter` in interface `Context`
  Parameters:
    `name` - Name of the parameter to return

### findParameters

    public java.lang.String[] findParameters()

  Return the names of all defined context initialization parameters for this Context. If no parameters are defined, a zero-length array is returned.
  Specified by:
    `findParameters` in interface `Context`

### findResource

    public ContextResource findResource(java.lang.String name)

  Return the resource reference with the specified name, if any; otherwise return `null`.
  Specified by:
    `findResource` in interface `Context`
  Parameters:
    `name` - Name of the desired resource reference

### findResourceEnvRef

    public java.lang.String findResourceEnvRef(java.lang.String name)

  Return the resource environment reference type for the specified name, if any; otherwise return `null`.
  Specified by:
    `findResourceEnvRef` in interface `Context`
  Parameters:
    `name` - Name of the desired resource environment reference

### findResourceEnvRefs

    public java.lang.String[] findResourceEnvRefs()

  Return the set of resource environment reference names for this web application. If none have been specified, a zero-length array is returned.
  Specified by:
    `findResourceEnvRefs` in interface `Context`

### findResources

    public ContextResource[] findResources()

  Return the defined resource references for this application. If none have been defined, a zero-length array is returned.
  Specified by:
    `findResources` in interface `Context`

### findRoleMapping

    public java.lang.String findRoleMapping(java.lang.String role)

  For the given security role (as used by an application), return the corresponding role name (as defined by the underlying Realm) if there is one. Otherwise, return the specified role unchanged.
  Specified by:
    `findRoleMapping` in interface `Context`
  Parameters:
    `role` - Security role to map

### findSecurityRole

    public boolean findSecurityRole(java.lang.String role)

  Return `true` if the specified security role is defined for this application; otherwise return `false`.
  Specified by:
    `findSecurityRole` in interface `Context`
  Parameters:
    `role` - Security role to verify

### findSecurityRoles

    public java.lang.String[] findSecurityRoles()

  Return the security roles defined for this application. If none have been defined, a zero-length array is returned.
  Specified by:
    `findSecurityRoles` in interface `Context`

### findServletMapping

    public java.lang.String findServletMapping(java.lang.String pattern)

  Return the servlet name mapped by the specified pattern (if any); otherwise return `null`.
  Specified by:
    `findServletMapping` in interface `Context`
  Parameters:
    `pattern` - Pattern for which a mapping is requested

### findServletMappings

    public java.lang.String[] findServletMappings()

  Return the patterns of all defined servlet mappings for this Context. If no mappings are defined, a zero-length array is returned.
  Specified by:
    `findServletMappings` in interface `Context`

### findStatusPage

    public java.lang.String findStatusPage(int status)

  Return the context-relative URI of the error page for the specified HTTP status code, if any; otherwise return `null`.
  Specified by:
    `findStatusPage` in interface `Context`
  Parameters:
    `status` - HTTP status code to look up

### findStatusPages

    public int[] findStatusPages()

  Return the set of HTTP status codes for which error pages have been specified. If none are specified, a zero-length array is returned.
  Specified by:
    `findStatusPages` in interface `Context`

### findTaglib

    public java.lang.String findTaglib(java.lang.String uri)

  Return the tag library descriptor location for the specified taglib URI, if any; otherwise, return `null`.
  Specified by:
    `findTaglib` in interface `Context`
  Parameters:
    `uri` - URI, relative to the web.xml file

### findTaglibs

    public java.lang.String[] findTaglibs()

  Return the URIs of all tag libraries for which a tag library descriptor location has been specified. If none are specified, a zero-length array is returned.
  Specified by:
    `findTaglibs` in interface `Context`

### findWelcomeFile

    public boolean findWelcomeFile(java.lang.String name)

  Return `true` if the specified welcome file is defined for this Context; otherwise return `false`.
  Specified by:
    `findWelcomeFile` in interface `Context`
  Parameters:
    `name` - Welcome file to verify

### findWelcomeFiles

    public java.lang.String[] findWelcomeFiles()

  Return the set of welcome files defined for this Context. If none are defined, a zero-length array is returned.
  Specified by:
    `findWelcomeFiles` in interface `Context`

### findWrapperLifecycles

    public java.lang.String[] findWrapperLifecycles()

  Return the set of LifecycleListener classes that will be added to newly created Wrappers automatically.
  Specified by:
    `findWrapperLifecycles` in interface `Context`

### findWrapperListeners

    public java.lang.String[] findWrapperListeners()

  Return the set of ContainerListener classes that will be added to newly created Wrappers automatically.
  Specified by:
    `findWrapperListeners` in interface `Context`

### invoke

    public void invoke(Request request,
                       Response response)
                throws java.io.IOException,
                       javax.servlet.ServletException

  Process the specified Request, and generate the corresponding Response, according to the design of this particular Container.
  Specified by:
    `invoke` in interface `Container`
  Overrides:
    `invoke` in class `ContainerBase`
  Parameters:
    `request` - Request to be processed
    `response` - Response to be produced
  Throws:
    `java.io.IOException` - if an input/output error occurred while processing
    `javax.servlet.ServletException` - if a ServletException was thrown while processing this request

### reload

    public void reload()

  Reload this web application, if reloading is supported.

  IMPLEMENTATION NOTE: This method is designed to deal with reloads required by changes to classes in the underlying repositories of our class loader. It does not handle changes to the web application deployment descriptor. If that has occurred, you should stop this Context and create (and start) a new Context instance instead.

  Specified by:
    `reload` in interface `Context`
  Throws:
    `java.lang.IllegalStateException` - if the `reloadable` property is set to `false`.

### removeApplicationListener

    public void removeApplicationListener(java.lang.String listener)

  Remove the specified application listener class from the set of listeners for this application.
  Specified by:
    `removeApplicationListener` in interface `Context`
  Parameters:
    `listener` - Java class name of the listener to be removed

### removeApplicationParameter

    public void removeApplicationParameter(java.lang.String name)

  Remove the application parameter with the specified name from the set for this application.
  Specified by:
    `removeApplicationParameter` in interface `Context`
  Parameters:
    `name` - Name of the application parameter to remove

### removeConstraint

    public void removeConstraint(SecurityConstraint constraint)

  Remove the specified security constraint from this web application.
  Specified by:
    `removeConstraint` in interface `Context`
  Parameters:
    `constraint` - Constraint to be removed

### removeEjb

    public void removeEjb(java.lang.String name)

  Remove any EJB resource reference with the specified name.
  Specified by:
    `removeEjb` in interface `Context`
  Parameters:
    `name` - Name of the EJB resource reference to remove

### removeEnvironment

    public void removeEnvironment(java.lang.String name)

  Remove any environment entry with the specified name.
  Specified by:
    `removeEnvironment` in interface `Context`
  Parameters:
    `name` - Name of the environment entry to remove

### removeErrorPage

    public void removeErrorPage(ErrorPage errorPage)

  Remove the error page for the specified error code or Java language exception, if it exists; otherwise, no action is taken.
  Specified by:
    `removeErrorPage` in interface `Context`
  Parameters:
    `errorPage` - The error page definition to be removed

### removeFilterDef

    public void removeFilterDef(FilterDef filterDef)

  Remove the specified filter definition from this Context, if it exists; otherwise, no action is taken.
  Specified by:
    `removeFilterDef` in interface `Context`
  Parameters:
    `filterDef` - Filter definition to be removed

### removeFilterMap

    public void removeFilterMap(FilterMap filterMap)

  Remove a filter mapping from this Context.
  Specified by:
    `removeFilterMap` in interface `Context`
  Parameters:
    `filterMap` - The filter mapping to be removed

### removeInstanceListener

    public void removeInstanceListener(java.lang.String listener)

  Remove a class name from the set of InstanceListener classes that will be added to newly created Wrappers.
  Specified by:
    `removeInstanceListener` in interface `Context`
  Parameters:
    `listener` - Class name of an InstanceListener class to be removed

### removeLocalEjb

    public void removeLocalEjb(java.lang.String name)

  Remove any local EJB resource reference with the specified name.
  Specified by:
    `removeLocalEjb` in interface `Context`
  Parameters:
    `name` - Name of the EJB resource reference to remove

### removeMimeMapping

    public void removeMimeMapping(java.lang.String extension)

  Remove the MIME mapping for the specified extension, if it exists; otherwise, no action is taken.
  Specified by:
    `removeMimeMapping` in interface `Context`
  Parameters:
    `extension` - Extension to remove the mapping for

### removeParameter

    public void removeParameter(java.lang.String name)

  Remove the context initialization parameter with the specified name, if it exists; otherwise, no action is taken.
  Specified by:
    `removeParameter` in interface `Context`
  Parameters:
    `name` - Name of the parameter to remove

### removeResource

    public void removeResource(java.lang.String name)

  Remove any resource reference with the specified name.
  Specified by:
    `removeResource` in interface `Context`
  Parameters:
    `name` - Name of the resource reference to remove

### removeResourceEnvRef

    public void removeResourceEnvRef(java.lang.String name)

  Remove any resource environment reference with the specified name.
  Specified by:
    `removeResourceEnvRef` in interface `Context`
  Parameters:
    `name` - Name of the resource environment reference to remove

### removeRoleMapping

    public void removeRoleMapping(java.lang.String role)

  Remove any security role reference for the specified name
  Specified by:
    `removeRoleMapping` in interface `Context`
  Parameters:
    `role` - Security role (as used in the application) to remove

### removeSecurityRole

    public void removeSecurityRole(java.lang.String role)

  Remove any security role with the specified name.
  Specified by:
    `removeSecurityRole` in interface `Context`
  Parameters:
    `role` - Security role to remove

### removeServletMapping

    public void removeServletMapping(java.lang.String pattern)

  Remove any servlet mapping for the specified pattern, if it exists; otherwise, no action is taken.
  Specified by:
    `removeServletMapping` in interface `Context`
  Parameters:
    `pattern` - URL pattern of the mapping to remove

### removeTaglib

    public void removeTaglib(java.lang.String uri)

  Remove the tag library location forthe specified tag library URI.
  Specified by:
    `removeTaglib` in interface `Context`
  Parameters:
    `uri` - URI, relative to the web.xml file

### removeWelcomeFile

    public void removeWelcomeFile(java.lang.String name)

  Remove the specified welcome file name from the list recognized by this Context.
  Specified by:
    `removeWelcomeFile` in interface `Context`
  Parameters:
    `name` - Name of the welcome file to be removed

### removeWrapperLifecycle

    public void removeWrapperLifecycle(java.lang.String listener)

  Remove a class name from the set of LifecycleListener classes that will be added to newly created Wrappers.
  Specified by:
    `removeWrapperLifecycle` in interface `Context`
  Parameters:
    `listener` - Class name of a LifecycleListener class to be removed

### removeWrapperListener

    public void removeWrapperListener(java.lang.String listener)

  Remove a class name from the set of ContainerListener classes that will be added to newly created Wrappers.
  Specified by:
    `removeWrapperListener` in interface `Context`
  Parameters:
    `listener` - Class name of a ContainerListener class to be removed

### filterStart

    public boolean filterStart()

  Configure and initialize the set of filters for this Context. Return `true` if all filter initialization completed successfully, or `false` otherwise.

### filterStop

    public boolean filterStop()

  Finalize and release the set of filters for this Context. Return `true` if all filter finalization completed successfully, or `false` otherwise.

### findFilterConfig

    public javax.servlet.FilterConfig findFilterConfig(java.lang.String name)

  Find and return the initialized `FilterConfig` for the specified filter name, if any; otherwise return `null`.
  Parameters:
    `name` - Name of the desired filter

### listenerStart

    public boolean listenerStart()

  Configure the set of instantiated application event listeners for this Context. Return `true` if all listeners wre initialized successfully, or `false` otherwise.

### listenerStop

    public boolean listenerStop()

  Send an application stop event to all interested listeners. Return `true` if all events were sent successfully, or `false` otherwise.

### loadOnStartup

    public void loadOnStartup(Container[] children)

  Load and initialize all servlets marked "load on startup" in the web application deployment descriptor.
  Parameters:
    `children` - Array of wrappers for all currently defined servlets (including those not declared load on startup)

### start

    public void start()
               throws LifecycleException

  Start this Context component.
  Overrides:
    `start` in class `ContainerBase`
  Throws:
    `LifecycleException` - if a startup error occurs

### stop

    public void stop()
              throws LifecycleException

  Stop this Context component.
  Overrides:
    `stop` in class `ContainerBase`
  Throws:
    `LifecycleException` - if a shutdown error occurs

### toString

    public java.lang.String toString()

  Return a String representation of this component.
  Overrides:
    `toString` in class `java.lang.Object`

### addDefaultMapper

    protected void addDefaultMapper(java.lang.String mapperClass)

  Add a default Mapper implementation if none have been configured explicitly.
  Overrides:
    `addDefaultMapper` in class `ContainerBase`
  Parameters:
    `mapperClass` - Java class name of the default Mapper

### adjustURLPattern

    protected java.lang.String adjustURLPattern(java.lang.String urlPattern)

  Adjust the URL pattern to begin with a leading slash, if appropriate (i.e. we are running a servlet 2.2 application). Otherwise, return the specified URL pattern unchanged.
  Parameters:
    `urlPattern` - The URL pattern to be adjusted (if needed) and returned

### isServlet22

    protected boolean isServlet22()

  Are we processing a version 2.2 deployment descriptor?

### engineBase

    protected java.io.File engineBase()

  Return a File object representing the base directory for the entire servlet container (i.e. the Engine container if present).

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