Package 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 Details

    • 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.