Examples of 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}.
org.apache.sling.launchpad.base.impl.Sling
The Sling serves as the starting point for Sling.
- The {@link #Sling(Notifiable,Logger,LaunchpadContentProvider,Map)} method launches ApacheFelix 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 sling.properties file 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}.

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

        logger.setLogLevel(Logger.LOG_ERROR);


        try {
            ResourceProvider resProvider = new ClassLoaderResourceProvider(
                Main.class.getClassLoader());
            Sling sling = new Sling(logger, resProvider, props) {
                protected void loadPropertiesOverride(
                        Map<String, String> properties) {
                    if (commandLine != null) {
                        properties.putAll(commandLine);
                    }

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Examples of org.apache.sling.launchpad.base.impl.Sling

    @Override
    protected Sling startSling(LaunchpadContentProvider resourceProvider, final Map<String, String> props, Logger logger)
            throws BundleException {
        new ControlListener(this, getLog(), controlHost, controlPort).listen();


        return new Sling(this, logger, resourceProvider, props) {


            // overwrite the loadPropertiesOverride method to inject the
            // mojo arguments unconditionally. These will not be persisted
            // in any properties file, though
            protected void loadPropertiesOverride(

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Examples of org.apache.sling.launchpad.base.impl.Sling

            Runtime.getRuntime().addShutdownHook(shutdown);
            registeredHook = true;
        }
        
        // creating the instance launches the framework and we are done here
        Sling mySling = new Sling(this, logger, resourceProvider, props) {


            // overwrite the loadPropertiesOverride method to inject the
            // mojo arguments unconditionally. These will not be persisted
            // in any properties file, though
            protected void loadPropertiesOverride(

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Examples of org.apache.sling.launchpad.base.impl.Sling

            LaunchpadContentProvider resProvider = new ClassLoaderResourceProvider(
                getClass().getClassLoader());


            // creating the instance launches the framework and we are done here
            // ..
            sling = new Sling(notifiable, logger, resProvider, props) {


                // overwrite the loadPropertiesOverride method to inject the
                // command line arguments unconditionally. These will not be
                // persisted in any properties file, though
                protected void loadPropertiesOverride(

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Examples of org.apache.sling.launchpad.base.impl.Sling

            ResourceProvider resProvider = new ClassLoaderResourceProvider(
                MainDelegate.class.getClassLoader());


            // creating the instance launches the framework and we are done here
            // ..
            sling = new Sling(notifiable, logger, resProvider, props) {


                // overwrite the loadPropertiesOverride method to inject the
                // command
                // line arguments unconditionally. These will not be persisted
                // in any

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