Examples of org.eclipse.jetty.spdy.server.http.ReferrerPushStrategy

Package org.eclipse.jetty.spdy.server.http

Examples of org.eclipse.jetty.spdy.server.http.ReferrerPushStrategy

org.eclipse.jetty.spdy.server.http.ReferrerPushStrategy

A SPDY push strategy that auto-populates push metadata based on referrer URLs.
A typical request for a main resource such as {@code index.html} is immediately followed by a number of requests for associated resources.Associated resource requests will have a {@code Referer} HTTP header that points to {@code index.html}, which is used to link the associated resource to the main resource.
However, also following a hyperlink generates a HTTP request with a {@code Referer} HTTP header that points to {@code index.html}; therefore a proper value for {@link #setReferrerPushPeriod(int)} has to be set. If the referrerPushPeriod for a main resource has elapsed, no moreassociated resources will be added for that main resource.
This class distinguishes associated main resources by their URL path suffix and content type. CSS stylesheets, images and JavaScript files have recognizable URL path suffixes that are classified as associated resources. The suffix regexs can be configured by constructor argument

When CSS stylesheets refer to images, the CSS image request will have the CSS stylesheet as referrer. This implementation will push also the CSS image.
The push metadata built by this implementation is limited by the number of pages of the application itself, and by the {@link #setMaxAssociatedResources(int)} max associatedresources} parameter. This parameter limits the number of associated resources per each main resource, so that if a main resource has hundreds of associated resources, only up to the number specified by this parameter will be pushed.

        sslContextFactory.setTrustStorePassword("storepwd");


        Server server = new Server();


        Map<Short, PushStrategy> pushStrategies = new HashMap<>();
        pushStrategies.put(SPDY.V3, new ReferrerPushStrategy());
        HTTPSPDYServerConnector connector = new HTTPSPDYServerConnector(server, sslContextFactory, pushStrategies);
        connector.setPort(8443);
        server.addConnector(connector);


        // Drupal seems to only work on the root context,

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        sslContextFactory.setTrustStorePassword("storepwd");


        Server server = new Server();


        Map<Short, PushStrategy> pushStrategies = new HashMap<>();
        pushStrategies.put(SPDY.V3, new ReferrerPushStrategy());
        HTTPSPDYServerConnector tlsConnector = new HTTPSPDYServerConnector(server, sslContextFactory, pushStrategies);
        tlsConnector.setPort(tlsPort);
        server.addConnector(tlsConnector);
        HTTPSPDYServerConnector connector = new HTTPSPDYServerConnector(server, null, pushStrategies);
        connector.setPort(port);

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                "SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA");
        
        
        // Spdy Connector
        NegotiatingServerConnectionFactory.checkProtocolNegotiationAvailable();
        PushStrategy push = new ReferrerPushStrategy();
        HTTPSPDYServerConnectionFactory spdy2 = new HTTPSPDYServerConnectionFactory(2,config,push);
        spdy2.setInputBufferSize(8192);
        spdy2.setInitialWindowSize(32768);
        HTTPSPDYServerConnectionFactory spdy3 = new HTTPSPDYServerConnectionFactory(3,config,push);
        spdy2.setInputBufferSize(8192);

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        // A ReferrerPushStrategy is being initialized.
        // See:
        // http://www.eclipse.org/jetty/documentation/current/spdy-configuring-push.html
        // for more details.
        PushStrategy push = new ReferrerPushStrategy();
        HTTPSPDYServerConnectionFactory spdy2 = 
                new HTTPSPDYServerConnectionFactory(2, config, push);
        spdy2.setInputBufferSize(8192);
        spdy2.setInitialWindowSize(32768);

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        HTTPSPDYServerConnectionFactory spdy2 = 
                new HTTPSPDYServerConnectionFactory(2, https_config);


        HTTPSPDYServerConnectionFactory spdy3 = 
                new HTTPSPDYServerConnectionFactory(3, https_config, 
                        new ReferrerPushStrategy());


        // NPN Factory
        NegotiatingServerConnectionFactory.checkProtocolNegotiationAvailable();
        NPNServerConnectionFactory npn = new NPNServerConnectionFactory(
                spdy3.getProtocol(),

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        this.nonPushableUserAgentPatterns = nonPushableUserAgentPatterns;
    }


    @Override
    public PushStrategy build() {
        final ReferrerPushStrategy strategy = new ReferrerPushStrategy();


        if (pushableOriginPatterns != null) {
            strategy.setAllowedPushOrigins(pushableOriginPatterns);
        }


        if (pushableContentTypes != null) {
            strategy.setPushContentTypes(pushableContentTypes);
        }


        if (pushableFilenamePatterns != null) {
            strategy.setPushRegexps(pushableFilenamePatterns);
        }


        if (nonPushableUserAgentPatterns != null) {
            strategy.setUserAgentBlacklist(nonPushableUserAgentPatterns);
        }


        strategy.setMaxAssociatedResources(maxAssociatedResources);
        strategy.setReferrerPushPeriod((int) referrerPushPeriod.toMilliseconds());


        return strategy;
    }

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