Examples of org.apache.sling.launcher.app.Sling

• org.apache.sling.launcher.app.Sling
  The Sling serves as the starting point for Sling.

  • The {@link #Sling(Logger,ResourceProvider,Map)} method launchesApache Felix as the OSGi framework implementation we use.

  Launch Configuration

  The Apache Felix framework requires configuration parameters to be specified for startup. This servlet builds the list of parameters from three locations:

  1. The com/day/osgi/servlet/Sling.properties is read from the servlet class path. This properties file contains default settings.
  2. Extensions of this servlet may provide additional properties to be loaded overwriting the {@link #loadPropertiesOverride(Map)} method.
  3. Finally, web application init parameters are added to the properties and may overwrite existing properties of the same name(s).

  After loading all properties, variable substitution takes place on the property values. A variable is indicated as ${<prop-name>} where <prop-name> is the name of a system or configuration property (configuration properties override system properties). Variables may be nested and are resolved from inner-most to outer-most. For example, the property value ${outer-${inner}} is resolved by first resolving ${inner} and then resolving the property whose name is the catenation of outer- and the result of resolving ${inner}.

Related Classes of org.apache.sling.launcher.app.Sling