Examples with SlingHttpServletRequest org.apache.sling.api.SlingHttpServletRequest used on opensource projects

Example 11 with SlingHttpServletRequest

use of org.apache.sling.api.SlingHttpServletRequest in project sling by apache.

the class AbstractDispatcherTagHandler method doEndTag.

/**
     * Called after the body has been processed.
     *
     * @return whether additional evaluations of the body are desired
     */
public int doEndTag() throws JspException {
    log.debug("AbstractDispatcherTagHandler.doEndTag");
    final SlingHttpServletRequest request = TagUtil.getRequest(pageContext);
    // set request dispatcher options according to tag attributes. This
    // depends on the implementation, that using a "null" argument
    // has no effect
    final RequestDispatcherOptions opts = new RequestDispatcherOptions();
    opts.setForceResourceType(resourceType);
    opts.setReplaceSelectors(replaceSelectors);
    opts.setAddSelectors(addSelectors);
    opts.setReplaceSuffix(replaceSuffix);
    // ensure the path (if set) is absolute and normalized
    if (path != null) {
        if (!path.startsWith("/")) {
            path = request.getResource().getPath() + "/" + path;
        }
        path = ResourceUtil.normalize(path);
    }
    // check the resource
    if (resource == null) {
        if (path == null) {
            // neither resource nor path is defined, use current resource
            resource = request.getResource();
        } else {
            // check whether the path (would) resolve, else SyntheticRes.
            Resource tmp = request.getResourceResolver().resolve(path);
            if (tmp == null && resourceType != null) {
                resource = new DispatcherSyntheticResource(request.getResourceResolver(), path, resourceType);
                // remove resource type overwrite as synthetic resource
                // is correctly typed as requested
                opts.remove(RequestDispatcherOptions.OPT_FORCE_RESOURCE_TYPE);
            }
        }
    }
    try {
        // create a dispatcher for the resource or path
        RequestDispatcher dispatcher;
        if (resource != null) {
            dispatcher = request.getRequestDispatcher(resource, opts);
        } else {
            dispatcher = request.getRequestDispatcher(path, opts);
        }
        if (dispatcher != null) {
            SlingHttpServletResponse response = new JspSlingHttpServletResponseWrapper(pageContext);
            dispatch(dispatcher, request, response);
        } else {
            TagUtil.log(log, pageContext, "No content to include...", null);
        }
    } catch (final JspTagException jte) {
        throw jte;
    } catch (final IOException ioe) {
        throw new JspTagException(ioe);
    } catch (final ServletException ce) {
        throw new JspTagException(TagUtil.getRootCause(ce));
    }
    return EVAL_PAGE;
}

Example 12 with SlingHttpServletRequest

use of org.apache.sling.api.SlingHttpServletRequest in project sling by apache.

the class JspScriptEngineFactory method callErrorPageJsp.

/**
     * Call the error page
     * @param bindings The bindings
     * @param scriptHelper Script helper service
     * @param context The script context
     * @param scriptName The name of the script
     */
private void callErrorPageJsp(final Bindings bindings, final SlingScriptHelper scriptHelper, final ScriptContext context, final String scriptName) {
    final SlingBindings slingBindings = new SlingBindings();
    slingBindings.putAll(bindings);
    ResourceResolver resolver = (ResourceResolver) context.getAttribute(SlingScriptConstants.ATTR_SCRIPT_RESOURCE_RESOLVER, SlingScriptConstants.SLING_SCOPE);
    if (resolver == null) {
        resolver = scriptHelper.getScript().getScriptResource().getResourceResolver();
    }
    final SlingIOProvider io = this.ioProvider;
    final JspFactoryHandler jspfh = this.jspFactoryHandler;
    // abort if JSP Support is shut down concurrently (SLING-2704)
    if (io == null || jspfh == null) {
        logger.warn("callJsp: JSP Script Engine seems to be shut down concurrently; not calling {}", scriptHelper.getScript().getScriptResource().getPath());
        return;
    }
    final ResourceResolver oldResolver = io.setRequestResourceResolver(resolver);
    jspfh.incUsage();
    try {
        final JspServletWrapper errorJsp = getJspWrapper(scriptName, slingBindings);
        errorJsp.service(slingBindings);
        // The error page could be inside an include.
        final SlingHttpServletRequest request = slingBindings.getRequest();
        final Throwable t = (Throwable) request.getAttribute("javax.servlet.jsp.jspException");
        final Object newException = request.getAttribute("javax.servlet.error.exception");
        // t==null means the attribute was not set.
        if ((newException != null) && (newException == t)) {
            request.removeAttribute("javax.servlet.error.exception");
        }
        // now clear the error code - to prevent double handling.
        request.removeAttribute("javax.servlet.error.status_code");
        request.removeAttribute("javax.servlet.error.request_uri");
        request.removeAttribute("javax.servlet.error.status_code");
        request.removeAttribute("javax.servlet.jsp.jspException");
    } finally {
        jspfh.decUsage();
        io.resetRequestResourceResolver(oldResolver);
    }
}

Example 13 with SlingHttpServletRequest

use of org.apache.sling.api.SlingHttpServletRequest in project sling by apache.

the class RenderUnitProvider method provide.

@Override
public ProviderOutcome provide(String identifier, RenderContext renderContext, Bindings arguments) {
    if (identifier.endsWith("." + SightlyScriptEngineFactory.EXTENSION)) {
        Bindings globalBindings = renderContext.getBindings();
        SlingScriptHelper sling = BindingsUtils.getHelper(globalBindings);
        SlingHttpServletRequest request = BindingsUtils.getRequest(globalBindings);
        final Resource renderUnitResource = ScriptUtils.resolveScript(scriptingResourceResolverProvider.getRequestScopedResourceResolver(), renderContext, identifier);
        if (renderUnitResource == null) {
            Resource caller = ResourceResolution.getResourceForRequest(request.getResourceResolver(), request);
            if (caller != null) {
                String resourceSuperType = caller.getResourceSuperType();
                StringBuilder errorMessage = new StringBuilder("Cannot find resource ");
                errorMessage.append(identifier).append(" for base path ").append(caller.getPath());
                if (StringUtils.isNotEmpty(resourceSuperType)) {
                    errorMessage.append(" with resource super type ").append(resourceSuperType);
                }
                errorMessage.append(".");
                return ProviderOutcome.failure(new SightlyException(errorMessage.toString()));
            } else {
                return ProviderOutcome.failure(new SightlyException("Cannot resolve template " + identifier + " for script " + sling.getScript().getScriptResource().getPath()));
            }
        }
        RenderUnit renderUnit;
        try {
            CachedScript cachedScript = scriptCache.getScript(renderUnitResource.getPath());
            final SightlyCompiledScript compiledScript;
            if (cachedScript != null) {
                compiledScript = (SightlyCompiledScript) cachedScript.getCompiledScript();
            } else {
                SightlyScriptEngine sightlyScriptEngine = (SightlyScriptEngine) scriptEngineManager.getEngineByName(SightlyScriptEngineFactory.SHORT_NAME);
                String encoding = renderUnitResource.getResourceMetadata().getCharacterEncoding();
                if (StringUtils.isEmpty(encoding)) {
                    encoding = "UTF-8";
                }
                InputStream inputStream = renderUnitResource.adaptTo(InputStream.class);
                if (inputStream == null) {
                    return ProviderOutcome.failure();
                }
                InputStreamReader inputStreamReader = new InputStreamReader(inputStream, encoding);
                ScriptNameAwareReader reader = new ScriptNameAwareReader(inputStreamReader, renderUnitResource.getPath());
                compiledScript = (SightlyCompiledScript) sightlyScriptEngine.compile(reader);
                scriptCache.putScript(new CachedScript() {

                    @Override
                    public String getScriptPath() {
                        return renderUnitResource.getPath();
                    }

                    @Override
                    public CompiledScript getCompiledScript() {
                        return compiledScript;
                    }
                });
            }
            renderUnit = compiledScript.getRenderUnit();
            return ProviderOutcome.success(renderUnit);
        } catch (Exception e) {
            return ProviderOutcome.failure(e);
        }
    }
    return ProviderOutcome.failure();
}

Example 14 with SlingHttpServletRequest

use of org.apache.sling.api.SlingHttpServletRequest in project sling by apache.

the class SightlyScriptEngine method eval.

@Override
public Object eval(Reader reader, ScriptContext scriptContext) throws ScriptException {
    checkArguments(reader, scriptContext);
    Bindings bindings = scriptContext.getBindings(ScriptContext.ENGINE_SCOPE);
    SlingBindings slingBindings = new SlingBindings();
    slingBindings.putAll(bindings);
    final SlingHttpServletRequest request = slingBindings.getRequest();
    if (request == null) {
        throw new SightlyException("Missing SlingHttpServletRequest from ScriptContext.");
    }
    final Object oldValue = request.getAttribute(SlingBindings.class.getName());
    try {
        request.setAttribute(SlingBindings.class.getName(), slingBindings);
        SightlyCompiledScript compiledScript = internalCompile(reader, scriptContext);
        return compiledScript.eval(scriptContext);
    } catch (Exception e) {
        throw new ScriptException(e);
    } finally {
        request.setAttribute(SlingBindings.class.getName(), oldValue);
    }
}

Example 15 with SlingHttpServletRequest

use of org.apache.sling.api.SlingHttpServletRequest in project sling by apache.

the class SightlyCompiledScript method eval.

@Override
public Object eval(ScriptContext context) throws ScriptException {
    Bindings bindings = context.getBindings(ScriptContext.ENGINE_SCOPE);
    SlingBindings slingBindings = new SlingBindings();
    slingBindings.putAll(bindings);
    SlingHttpServletRequest request = slingBindings.getRequest();
    if (request == null) {
        throw new SightlyException("Missing SlingHttpServletRequest from ScriptContext.");
    }
    Object oldBindings = request.getAttribute(SlingBindings.class.getName());
    try {
        request.setAttribute(SlingBindings.class.getName(), slingBindings);
        RenderContext renderContext = new RenderContextImpl(context);
        PrintWriter out = new PrintWriter(context.getWriter());
        renderUnit.render(out, renderContext, new SimpleBindings());
    } finally {
        request.setAttribute(SlingBindings.class.getName(), oldBindings);
    }
    return null;
}