org.vaadin.spring.servlet

Interface CustomInitParameterProvider

All Known Implementing Classes:

SingletonCustomInitParameterProvider

public interface CustomInitParameterProvider

A custom init parameter provider is used by Vaadin4SpringServlet to provide custom servlet init parameter values without having to redeclare the servlet registration or override the servlet itself.

Author:

Petter Holmström (petter@vaadin.com)

Method Summary

Modifier and Type	Method and Description
boolean	containsInitParameter(String parameterName) Returns whether this provider contains an init parameter with the specified name.
String	getInitParameter(String parameterName) Returns the value of the specified init parameter name.
Collection<String>	getInitParameterNames() Returns the names of all the init parameters in this provider.

Method Detail

containsInitParameter

boolean containsInitParameter(String parameterName)

Returns whether this provider contains an init parameter with the specified name.

Parameters:

parameterName - the name of the init parameter.

Returns:

true if the parameter exists, false otherwise.

getInitParameter

String getInitParameter(String parameterName)

Returns the value of the specified init parameter name.

Parameters:

parameterName - the name of the init parameter.

Returns:

the value of the parameter name or null if no such parameter exists.

getInitParameterNames

Collection<String> getInitParameterNames()

Returns the names of all the init parameters in this provider.

Returns:

a collection of parameter names.