org.apache.sling.featureflags.impl

Class FeatureManager

java.lang.Object

org.apache.sling.featureflags.impl.FeatureManager

All Implemented Interfaces:

javax.servlet.Filter, javax.servlet.Servlet, Features

public class FeatureManager
extends Object
implements Features, javax.servlet.Filter, javax.servlet.Servlet

This service implements the feature handling. It keeps track of all Feature services.

Constructor Summary

Constructors

Constructor and Description
FeatureManager()

Method Summary

Methods

Modifier and Type	Method and Description
void	destroy()
void	doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, javax.servlet.FilterChain chain)
Feature	getFeature(String name) Returns the feature with the given name.
Feature[]	getFeatures() Get the list of all (known) features.
javax.servlet.ServletConfig	getServletConfig()
String	getServletInfo()
void	init(javax.servlet.FilterConfig filterConfig)
void	init(javax.servlet.ServletConfig config)
boolean	isEnabled(String featureName) Returns true if a feature with the given name is known and enabled under the current ExecutionContext.
void	service(javax.servlet.ServletRequest req, javax.servlet.ServletResponse res)

Methods inherited from class java.lang.Object

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

Constructor Detail

FeatureManager

public FeatureManager()

Method Detail

getFeatures

public Feature[] getFeatures()

Description copied from interface: Features

Get the list of all (known) features.

Features are known if they are registered as Feature services or are configured with OSGi configuration whose factory PID is org.apache.sling.featureflags.Feature.

Specified by:

getFeatures in interface Features

Returns:

The known features

getFeature

public Feature getFeature(String name)

Description copied from interface: Features

Returns the feature with the given name.

Features are known if they are registered as Feature services or are configured with OSGi configuration whose factory PID is org.apache.sling.featureflags.Feature.

Specified by:

getFeature in interface Features

Parameters:

name - The name of the feature.

Returns:

The feature or null if not known or the name is an empty string or null.

isEnabled

public boolean isEnabled(String featureName)

Description copied from interface: Features

Returns true if a feature with the given name is known and enabled under the current ExecutionContext.

Features are known if they are registered as Feature services or are configured with OSGi configuration whose factory PID is org.apache.sling.featureflags.Feature.

Specified by:

isEnabled in interface Features

Parameters:

featureName - The name of the feature to check for enablement.

Returns:

true if the named feature is known and enabled. Specifically false is also returned if the named feature is not known.

init

public void init(javax.servlet.FilterConfig filterConfig)

Specified by:

init in interface javax.servlet.Filter

doFilter

public void doFilter(javax.servlet.ServletRequest request,
            javax.servlet.ServletResponse response,
            javax.servlet.FilterChain chain)
              throws IOException,
                     javax.servlet.ServletException

Specified by:

doFilter in interface javax.servlet.Filter

Throws:

IOException

javax.servlet.ServletException

destroy

public void destroy()

Specified by:

destroy in interface javax.servlet.Filter

Specified by:

destroy in interface javax.servlet.Servlet

init

public void init(javax.servlet.ServletConfig config)

Specified by:

init in interface javax.servlet.Servlet

getServletConfig

public javax.servlet.ServletConfig getServletConfig()

Specified by:

getServletConfig in interface javax.servlet.Servlet

getServletInfo

public String getServletInfo()

Specified by:

getServletInfo in interface javax.servlet.Servlet

service

public void service(javax.servlet.ServletRequest req,
           javax.servlet.ServletResponse res)
             throws IOException

Specified by:

service in interface javax.servlet.Servlet

Throws:

IOException