Class StandardPipeline

java/org/apache/catalina/core/StandardPipeline.java:47–409

Standard implementation of a processing Pipeline that will invoke a series of Valves that have been configured to be called in order. This implementation can be used for any type of Container. IMPLEMENTATION WARNING - This implementation assumes that no calls to addValve()

 * be modified.
 */
public class StandardPipeline extends LifecycleBase implements Pipeline {

    private static final Log log = LogFactory.getLog(StandardPipeline.class);
    private static final StringManager sm = StringManager.getManager(StandardPipeline.class);

    // ----------------------------------------------------------- Constructors


    /**
     * Construct a new StandardPipeline instance with no associated Container.
     */
    public StandardPipeline() {

        this(null);

    }


    /**
     * Construct a new StandardPipeline instance that is associated with the specified Container.
     *
     * @param container The container we should be associated with
     */
    public StandardPipeline(Container container) {

        super();
        setContainer(container);

    }


    // ----------------------------------------------------- Instance Variables


    /**
     * The basic Valve (if any) associated with this Pipeline.
     */
    protected Valve basic = null;


    /**
     * The Container with which this Pipeline is associated.
     */
    protected Container container = null;


    /**
     * The first valve associated with this Pipeline.
     */
    protected Valve first = null;


    // --------------------------------------------------------- Public Methods

    @Override
    public boolean isAsyncSupported() {
        Valve valve = (first != null) ? first : basic;
        boolean supported = true;