Examples of org.apache.catalina.Context

org.apache.catalina.Context
A Context is a Container that represents a servlet context, and therefore an individual web application, in the Catalina servlet engine. It is therefore useful in almost every deployment of Catalina (even if a Connector attached to a web server (such as Apache) uses the web server's facilities to identify the appropriate Wrapper to handle this request. It also provides a convenient mechanism to use Interceptors that see every request processed by this particular web application.
The parent Container attached to a Context is generally a Host, but may be some other implementation, or may be omitted if it is not necessary.
The child containers attached to a Context are generally implementations of Wrapper (representing individual servlet definitions).
@author Craig R. McClanahan @version $Revision: 467222 $ $Date: 2006-10-24 05:17:11 +0200 (Tue, 24 Oct 2006) $

        Tomcat tomcat = getTomcatInstance();


        // Must have a real docBase - just use temp
        File docBase = new File(System.getProperty("java.io.tmpdir"));


        Context ctx = tomcat.addContext("", docBase.getAbsolutePath());


        DispatchingServlet dispatch = new DispatchingServlet(false, false);
        Wrapper wrapper = Tomcat.addServlet(ctx, "dispatch", dispatch);
        wrapper.setAsyncSupported(true);
        ctx.addServletMapping("/stage1", "dispatch");


        NonAsyncServlet nonasync = new NonAsyncServlet();
        Wrapper wrapper2 = Tomcat.addServlet(ctx, "nonasync", nonasync);
        wrapper2.setAsyncSupported(true);
        ctx.addServletMapping("/stage2", "nonasync");


        ctx.addApplicationListener(TrackingRequestListener.class.getName());


        TesterAccessLogValve alv = new TesterAccessLogValve();
        ctx.getPipeline().addValve(alv);


        tomcat.start();


        StringBuilder url = new StringBuilder(48);
        url.append("http://localhost:");

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        Tomcat tomcat = getTomcatInstance();


        // Must have a real docBase - just use temp
        File docBase = new File(System.getProperty("java.io.tmpdir"));


        Context ctx = tomcat.addContext("", docBase.getAbsolutePath());


        TrackingServlet tracking = new TrackingServlet();
        Wrapper wrapper = Tomcat.addServlet(ctx, "tracking", tracking);
        wrapper.setAsyncSupported(true);
        ctx.addServletMapping("/stage1", "tracking");


        TimeoutServlet timeout = new TimeoutServlet(Boolean.TRUE, null);
        Wrapper wrapper2 = Tomcat.addServlet(ctx, "timeout", timeout);
        wrapper2.setAsyncSupported(true);
        ctx.addServletMapping("/stage2", "timeout");


        TesterAccessLogValve alv = new TesterAccessLogValve();
        ctx.getPipeline().addValve(alv);


        tomcat.start();


        StringBuilder url = new StringBuilder(48);
        url.append("http://localhost:");

View Full Code Here

        Tomcat tomcat = getTomcatInstance();


        // Must have a real docBase - just use temp
        File docBase = new File(System.getProperty("java.io.tmpdir"));


        Context ctx = tomcat.addContext("", docBase.getAbsolutePath());


        DispatchingServlet dispatch =
            new DispatchingServlet(true, completeOnError);
        Wrapper wrapper = Tomcat.addServlet(ctx, "dispatch", dispatch);
        wrapper.setAsyncSupported(true);
        ctx.addServletMapping("/stage1", "dispatch");


        ErrorServlet error = new ErrorServlet();
        Tomcat.addServlet(ctx, "error", error);
        ctx.addServletMapping("/stage2", "error");


        ctx.addApplicationListener(TrackingRequestListener.class.getName());


        TesterAccessLogValve alv = new TesterAccessLogValve();
        ctx.getPipeline().addValve(alv);


        tomcat.start();


        StringBuilder url = new StringBuilder(48);
        url.append("http://localhost:");

View Full Code Here

        Tomcat tomcat = getTomcatInstance();


        // Must have a real docBase - just use temp
        File docBase = new File(System.getProperty("java.io.tmpdir"));


        Context ctx = tomcat.addContext("", docBase.getAbsolutePath());


        AsyncStartRunnable servlet = new AsyncStartRunnable();
        Wrapper wrapper = Tomcat.addServlet(ctx, "servlet", servlet);
        wrapper.setAsyncSupported(true);
        ctx.addServletMapping("/", "servlet");


        TesterAccessLogValve alv = new TesterAccessLogValve();
        ctx.getPipeline().addValve(alv);


        tomcat.start();


        getUrl("http://localhost:" + getPort() + "/");

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    public void testBug50753() throws Exception {
        // Setup Tomcat instance
        Tomcat tomcat = getTomcatInstance();


        // Must have a real docBase - just use temp
        Context ctx =
            tomcat.addContext("", System.getProperty("java.io.tmpdir"));


        Bug50753Servlet servlet = new Bug50753Servlet();


        Wrapper wrapper = Tomcat.addServlet(ctx, "servlet", servlet);
        wrapper.setAsyncSupported(true);
        ctx.addServletMapping("/", "servlet");


        TesterAccessLogValve alv = new TesterAccessLogValve();
        ctx.getPipeline().addValve(alv);


        tomcat.start();


        // Call the servlet once
        Map<String,List<String>> headers =

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        Tomcat tomcat = getTomcatInstance();


        // Must have a real docBase - just use temp
        File docBase = new File(System.getProperty("java.io.tmpdir"));


        Context ctx = tomcat.addContext("", docBase.getAbsolutePath());


        ErrorServlet error = new ErrorServlet();
        Tomcat.addServlet(ctx, "error", error);
        ctx.addServletMapping("/error", "error");


        TesterAccessLogValve alv = new TesterAccessLogValve();
        ctx.getPipeline().addValve(alv);


        tomcat.start();


        StringBuilder url = new StringBuilder(48);
        url.append("http://localhost:");

View Full Code Here

        Tomcat tomcat = getTomcatInstance();


        // Must have a real docBase - just use temp
        File docBase = new File(System.getProperty("java.io.tmpdir"));


        Context ctx = tomcat.addContext("", docBase.getAbsolutePath());


        AsyncStatusServlet asyncStatusServlet =
            new AsyncStatusServlet(HttpServletResponse.SC_BAD_REQUEST);
        Wrapper wrapper =
            Tomcat.addServlet(ctx, "asyncStatusServlet", asyncStatusServlet);
        wrapper.setAsyncSupported(true);
        ctx.addServletMapping("/asyncStatusServlet", "asyncStatusServlet");


        TesterAccessLogValve alv = new TesterAccessLogValve();
        ctx.getPipeline().addValve(alv);


        tomcat.start();


        StringBuilder url = new StringBuilder(48);
        url.append("http://localhost:");

View Full Code Here

        Tomcat tomcat = getTomcatInstance();


        // Must have a real docBase - just use temp
        File docBase = new File(System.getProperty("java.io.tmpdir"));


        Context ctx = tomcat.addContext("", docBase.getAbsolutePath());


        AsyncErrorServlet asyncErrorServlet =
            new AsyncErrorServlet(HttpServletResponse.SC_BAD_REQUEST, threaded);
        Wrapper wrapper =
            Tomcat.addServlet(ctx, "asyncErrorServlet", asyncErrorServlet);
        wrapper.setAsyncSupported(true);
        ctx.addServletMapping("/asyncErrorServlet", "asyncErrorServlet");


        TesterAccessLogValve alv = new TesterAccessLogValve();
        ctx.getPipeline().addValve(alv);


        tomcat.start();


        StringBuilder url = new StringBuilder(48);
        url.append("http://localhost:");

View Full Code Here

    @Test
    public void testBug54239() throws Exception {
        Tomcat tomcat = getTomcatInstance();


        File appDir = new File("test/webapp-3.0");
        Context ctx = tomcat.addWebapp(null, "/test", appDir.getAbsolutePath());
        tomcat.start();


        ServletContext context = ctx.getServletContext();


        ELInterpreter interpreter =
                ELInterpreterFactory.getELInterpreter(context);
        Assert.assertNotNull(interpreter);
        Assert.assertTrue(interpreter instanceof DefaultELInterpreter);


        context.removeAttribute(ELInterpreter.class.getName());


        context.setAttribute(ELInterpreter.class.getName(),
                SimpleELInterpreter.class.getName());
        interpreter = ELInterpreterFactory.getELInterpreter(context);
        Assert.assertNotNull(interpreter);
        Assert.assertTrue(interpreter instanceof SimpleELInterpreter);


        context.removeAttribute(ELInterpreter.class.getName());


        SimpleELInterpreter simpleInterpreter = new SimpleELInterpreter();
        context.setAttribute(ELInterpreter.class.getName(), simpleInterpreter);
        interpreter = ELInterpreterFactory.getELInterpreter(context);
        Assert.assertNotNull(interpreter);
        Assert.assertTrue(interpreter instanceof SimpleELInterpreter);
        Assert.assertTrue(interpreter == simpleInterpreter);


        context.removeAttribute(ELInterpreter.class.getName());


        ctx.stop();
        ctx.addApplicationListener(Bug54239Listener.class.getName());
        ctx.start();


        interpreter = ELInterpreterFactory.getELInterpreter(ctx.getServletContext());
        Assert.assertNotNull(interpreter);
        Assert.assertTrue(interpreter instanceof SimpleELInterpreter);
    }

View Full Code Here

        Tomcat tomcat = getTomcatInstance();


        // Must have a real docBase - just use temp
        File docBase = new File(System.getProperty("java.io.tmpdir"));


        Context ctx = tomcat.addContext("", docBase.getAbsolutePath());
        Wrapper a = Tomcat.addServlet(ctx, "ServletA", new Bug53337ServletA());
        a.setAsyncSupported(true);
        Wrapper b = Tomcat.addServlet(ctx, "ServletB", new Bug53337ServletB());
        b.setAsyncSupported(true);
        Tomcat.addServlet(ctx, "ServletC", new Bug53337ServletC());
        ctx.addServletMapping("/ServletA", "ServletA");
        ctx.addServletMapping("/ServletB", "ServletB");
        ctx.addServletMapping("/ServletC", "ServletC");


        tomcat.start();


        StringBuilder url = new StringBuilder(48);
        url.append("http://localhost:");

View Full Code Here

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