Package javax.servlet

Examples of javax.servlet.Servlet

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      requestProgressTracker.log("Resource Path Info: {0}", requestPathInfo);

        // finally resolve the servlet for the resource
        requestProgressTracker.startTimer("ServletResolution");
        Servlet servlet = sr.resolveServlet(slingRequest);
        requestProgressTracker.logTimer("ServletResolution",
            "URI={0} handled by Servlet={1}",
            getServletRequest().getRequestURI(), (servlet == null ? "-none-" : RequestUtil.getServletName(servlet)));
        contentData.setServlet(servlet);
    }
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    public static void service(SlingHttpServletRequest request,
            SlingHttpServletResponse response) throws IOException,
            ServletException {

        RequestData requestData = RequestData.getRequestData(request);
        Servlet servlet = requestData.getContentData().getServlet();
        if (servlet == null) {

            response.sendError(HttpServletResponse.SC_NOT_FOUND,
                "No Servlet to handle request");

        } else {

            String name = RequestUtil.getServletName(servlet);

            // verify the number of service calls in this request
            if (requestData.hasServletMaxCallCount(request)) {
                throw new TooManyCallsException(name);
            }

            // replace the current servlet name in the request
            Object oldValue = request.getAttribute(SLING_CURRENT_SERVLET_NAME);
            request.setAttribute(SLING_CURRENT_SERVLET_NAME, name);

            // setup the tracker for this service call
            String timerName = name + "#" + requestData.servletCallCounter;
            requestData.servletCallCounter++;
            requestData.getRequestProgressTracker().startTimer(timerName);

            try {

                String callerServlet = requestData.setActiveServletName(name);

                servlet.service(request, response);

                requestData.setActiveServletName(callerServlet);

            } finally {
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        final SlingBindings bindings = (SlingBindings) pageContext.getRequest().getAttribute(
                SlingBindings.class.getName());
        final SlingScriptHelper scriptHelper = bindings.getSling();
        final ServletResolver servletResolver = scriptHelper.getService(ServletResolver.class);

        final Servlet servlet;
        if ( !this.ignoreResourceTypeHierarchy ) {
            // detecte resource
            final Resource resource;
            if ( this.resource != null ) {
                resource = this.resource;
            } else if ( this.resourceType != null ) {
                resource = new SyntheticResource(bindings.getRequest().getResourceResolver(),
                        bindings.getResource().getPath(), this.resourceType);
            } else {
                resource = bindings.getResource();
            }
            servlet = servletResolver.resolveServlet(resource, this.script);
        } else {
            final ResourceResolver rr = bindings.getRequest().getResourceResolver();
            final String scriptPath;
            if (!script.startsWith("/")) {

                // resolve relative script
                String parentPath = ResourceUtil.getParent(scriptHelper.getScript().getScriptResource().getPath());
                // check if parent resides on search path
                for (String sp: rr.getSearchPath()) {
                    if (parentPath.startsWith(sp)) {
                        parentPath = parentPath.substring(sp.length());
                        break;
                    }
                }
                scriptPath = parentPath + '/' + script;

            } else {

                scriptPath = this.script;
            }
            servlet = servletResolver.resolveServlet(rr, scriptPath);
        }

        if (servlet == null) {
            throw new JspException("Could not find script '" + script + "' referenced in jsp " + scriptHelper.getScript().getScriptResource().getPath());
        }

        try {
            if (flush && !(pageContext.getOut() instanceof BodyContent)) {
                // might throw an IOException of course
                pageContext.getOut().flush();
            }

            // wrap the response to get the correct output order
            SlingHttpServletResponse response = new JspSlingHttpServletResponseWrapper(
                pageContext);

            servlet.service(pageContext.getRequest(), response);

            return EVAL_PAGE;

        } catch (Exception e) {
            log.error("Error while executing script " + script, e);
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        final ServletResolver servletResolver = scriptHelper.getService(ServletResolver.class);

        final RequestProgressTracker tracker = TagUtil.getRequest(pageContext).getRequestProgressTracker();
        String servletName = null;

        final Servlet servlet;
        if (!ignoreComponentHierarchy) {
            final Resource resource = bindings.getResource();
            servlet = servletResolver.resolveServlet(resource, this.script);

            if (servlet != null) {
                servletName = RequestUtil.getServletName(servlet);
                tracker.log("Including script {0} for path={1}, type={2}: {3}", script, resource.getPath(),
                        resource.getResourceType(), servletName);
            }

        } else {
            final ResourceResolver resolver = bindings.getRequest().getResourceResolver();
            final String scriptPath;
            if (!script.startsWith("/")) {

                // resolve relative script
                String parentPath = ResourceUtil.getParent(scriptHelper.getScript().getScriptResource().getPath());
                // check if parent resides on search path
                for (String sp : resolver.getSearchPath()) {
                    if (parentPath.startsWith(sp)) {
                        parentPath = parentPath.substring(sp.length());
                        break;
                    }
                }
                scriptPath = parentPath + "/" + script;

            } else {

                scriptPath = this.script;
            }
            servlet = servletResolver.resolveServlet(resolver, scriptPath);

            if (servlet != null) {
                servletName = RequestUtil.getServletName(servlet);
                tracker.log("Including script {0} (ignoring component hierarchy): {1}", script, servletName);
            }
        }

        if (servlet == null) {
            throw new JspException("Could not find script " + script);
        }

        try {
            if (flush && !(pageContext.getOut() instanceof BodyContent)) {
                // might throw an IOException of course
                pageContext.getOut().flush();
            }

            // wrap the response to get the correct output order
            SlingHttpServletResponse response = new JspSlingHttpServletResponseWrapper(pageContext);

            tracker.startTimer(servletName);

            servlet.service(pageContext.getRequest(), response);

            tracker.logTimer(servletName);

            return EVAL_PAGE;
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        final ContentData oldContentData = requestData.getContentData();
        final ContentData contentData = requestData.setContent(resource, resolvedURL);

        try {
            // resolve the servlet
            Servlet servlet = servletResolver.resolveServlet(cRequest);
            contentData.setServlet(servlet);

            FilterChainType type = include
                    ? FilterChainType.INCLUDE
                    : FilterChainType.FORWARD;
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        if (this.aliases != null) {
            for (final String m : aliases) {
                final int pos = m.indexOf(':');
                if (pos != -1) {
                    final String type = m.substring(0, pos);
                    final Servlet servlet = rendererMap.get(type);
                    if (servlet != null) {
                        final String extensions = m.substring(pos + 1);
                        final StringTokenizer st = new StringTokenizer(
                            extensions, ",");
                        while (st.hasMoreTokens()) {
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        if (ResourceUtil.isNonExistingResource(request.getResource())) {
            throw new ResourceNotFoundException(
                request.getResource().getPath(), "No resource found");
        }

        Servlet rendererServlet;
        String ext = request.getRequestPathInfo().getExtension();
        if (ext == null) {
            rendererServlet = streamerServlet;
        } else {
            rendererServlet = rendererMap.get(ext);
        }

        // fail if we should not just stream or we cannot support the ext.
        if (rendererServlet == null) {
            request.getRequestProgressTracker().log(
                "No renderer for extension " + ext);
            // if this is an included request, sendError() would fail
            // as the response is already committed, in this case we just
            // do nothing (but log an error message)
            if (response.isCommitted()
                || request.getAttribute(SlingConstants.ATTR_REQUEST_SERVLET) != null) {
                logger.error(
                    "No renderer for extension {}, cannot render resource {}",
                    ext, request.getResource());
            } else {
                response.sendError(HttpServletResponse.SC_NOT_FOUND);
            }
            return;
        }

        request.getRequestProgressTracker().log(
            "Using " + rendererServlet.getClass().getName()
                + " to render for extension=" + ext);
        rendererServlet.service(request, response);
    }
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        return absUriBuilder.toString();
    }

    private Servlet getJsonRendererServlet() {
        if (jsonRendererServlet == null) {
            Servlet jrs = new JsonRendererServlet(jsonMaximumResults);
            try {
                jrs.init(getServletConfig());
            } catch (Exception e) {
                // don't care too much here
            }
            jsonRendererServlet = jrs;
        }
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        }

        private void outputServlets(final PrintWriter pw, final Iterator<Resource> iterator) {
            while (iterator.hasNext()) {
                Resource candidateResource = iterator.next();
                Servlet candidate = candidateResource.adaptTo(Servlet.class);
                if (candidate != null) {
                    final boolean allowed = isPathAllowed(candidateResource.getPath());
                    pw.print("<li>");
                    if ( !allowed ) {
                        pw.print("<del>");
                    }

                    if (candidate instanceof SlingScript) {
                        pw.print(ResponseUtil.escapeXml(candidateResource.getPath()));
                    } else {
                        final boolean isOptingServlet = candidate instanceof OptingServlet;
                        pw.print(ResponseUtil.escapeXml((candidate.getClass().getName())));
                        if ( isOptingServlet ) {
                            pw.print(" (OptingServlet)");
                        }
                    }
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                }
                // Wait period has expired. Reset.
                available = 0;
            }

            final Servlet servlet = this.getServlet();

            // invoke the servlet
            if (servlet instanceof SingleThreadModel) {
                // sync on the wrapper so that the freshness
                // of the page is determined right before servicing
                synchronized (this) {
                    servlet.service(request, response);
                }
            } else {
                servlet.service(request, response);
            }

        } catch (final UnavailableException ex) {
            int unavailableSeconds = ex.getUnavailableSeconds();
            if (unavailableSeconds <= 0) {
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