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

Example 1 with SlingException

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

the class ResourceResolverImpl method isResourceType.

/**
     * @see org.apache.sling.api.resource.ResourceResolver#isResourceType(org.apache.sling.api.resource.Resource, java.lang.String)
     */
@Override
public boolean isResourceType(final Resource resource, final String resourceType) {
    boolean result = false;
    if (resource != null && resourceType != null) {
        //  to go up the resource super type hierarchy.
        if (ResourceTypeUtil.areResourceTypesEqual(resourceType, resource.getResourceType(), getSearchPath())) {
            result = true;
        } else {
            Set<String> superTypesChecked = new HashSet<>();
            String superType = this.getParentResourceType(resource);
            while (!result && superType != null) {
                if (ResourceTypeUtil.areResourceTypesEqual(resourceType, superType, getSearchPath())) {
                    result = true;
                } else {
                    superTypesChecked.add(superType);
                    superType = this.getParentResourceType(superType);
                    if (superType != null && superTypesChecked.contains(superType)) {
                        throw new SlingException("Cyclic dependency for resourceSuperType hierarchy detected on resource " + resource.getPath(), null);
                    }
                }
            }
        }
    }
    return result;
}

Example 2 with SlingException

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

the class DefaultSlingScript method service.

/**
     * @see javax.servlet.Servlet#service(javax.servlet.ServletRequest, javax.servlet.ServletResponse)
     */
public void service(ServletRequest req, ServletResponse res) {
    final SlingHttpServletRequest request = (SlingHttpServletRequest) req;
    try {
        // prepare the properties for the script
        final SlingBindings props = new SlingBindings();
        props.setRequest((SlingHttpServletRequest) req);
        props.setResponse((SlingHttpServletResponse) res);
        // try to set content type (unless included)
        if (request.getAttribute(SlingConstants.ATTR_INCLUDE_SERVLET_PATH) == null) {
            final String contentType = request.getResponseContentType();
            if (contentType != null) {
                res.setContentType(contentType);
                // see SLING-679
                if (contentType.startsWith("text/")) {
                    res.setCharacterEncoding("UTF-8");
                }
            } else {
                LOGGER.debug("service: No response content type defined for request {}.", request.getRequestURI());
            }
        } else {
            LOGGER.debug("service: Included request, not setting content type and encoding");
        }
        // evaluate the script now using the ScriptEngine
        eval(props);
    } catch (ScriptEvaluationException see) {
        // log in the request progress tracker
        logScriptError(request, see);
        throw see;
    } catch (SlingException e) {
        // log in the request progress tracker
        logScriptError(request, e);
        throw e;
    } catch (Exception e) {
        // log in the request progress tracker
        logScriptError(request, e);
        throw new SlingException("Cannot get DefaultSlingScript: " + e.getMessage(), e);
    }
}

Example 3 with SlingException

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

the class SlingIOProvider method getResourcePaths.

Set<String> getResourcePaths(final String path) {
    final Set<String> paths = new HashSet<String>();
    ResourceResolver resolver = requestResourceResolver.get();
    if (resolver != null) {
        try {
            final String cleanedPath = cleanPath(path, false);
            final boolean startsWithWebInfTags = cleanedPath.startsWith(WEB_INF_TAGS);
            Resource resource = resolver.getResource(startsWithWebInfTags ? cleanedPath.substring(WEB_INF_TAGS.length()) : cleanedPath);
            if (resource != null) {
                Iterator<Resource> entries = resolver.listChildren(resource);
                while (entries.hasNext()) {
                    final String entryPath = entries.next().getPath();
                    if (startsWithWebInfTags) {
                        paths.add(WEB_INF_TAGS + entryPath);
                    } else {
                        paths.add(entryPath);
                    }
                }
            }
        } catch (final SlingException se) {
            log.warn("getResourcePaths: Cannot list children of " + path, se);
        }
    }
    return paths.isEmpty() ? null : paths;
}

Example 4 with SlingException

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

the class SlingRequestProcessorImpl method doProcessRequest.

/**
     * This method is directly called by the Sling main servlet.
     */
public void doProcessRequest(final HttpServletRequest servletRequest, final HttpServletResponse servletResponse, final ResourceResolver resourceResolver) throws IOException {
    // setting the Sling request and response
    final RequestData requestData = new RequestData(this, servletRequest, servletResponse);
    final SlingHttpServletRequest request = requestData.getSlingRequest();
    final SlingHttpServletResponse response = requestData.getSlingResponse();
    // record the request for the web console display
    RequestHistoryConsolePlugin.recordRequest(request);
    try {
        final ServletResolver sr = this.servletResolver;
        // check that we have all required services
        if (resourceResolver == null) {
            throw new UnavailableException("ResourceResolver");
        } else if (sr == null) {
            throw new UnavailableException("ServletResolver");
        }
        // initialize the request data - resolve resource and servlet
        Resource resource = requestData.initResource(resourceResolver);
        requestData.initServlet(resource, sr);
        FilterHandle[] filters = filterManager.getFilters(FilterChainType.REQUEST);
        if (filters != null) {
            FilterChain processor = new RequestSlingFilterChain(this, filters);
            request.getRequestProgressTracker().log("Applying " + FilterChainType.REQUEST + "filters");
            processor.doFilter(request, response);
        } else {
            // no filters, directly call resource level filters and servlet
            processComponent(request, response, FilterChainType.COMPONENT);
        }
    } catch (final SlingHttpServletResponseImpl.WriterAlreadyClosedException wace) {
        log.error("Writer has already been closed.", wace);
    } catch (ResourceNotFoundException rnfe) {
        // send this exception as a 404 status
        log.info("service: Resource {} not found", rnfe.getResource());
        handleError(HttpServletResponse.SC_NOT_FOUND, rnfe.getMessage(), request, response);
    } catch (final SlingException se) {
        // we assume, that this is the name of the causing servlet
        if (requestData.getActiveServletName() != null) {
            request.setAttribute(ERROR_SERVLET_NAME, requestData.getActiveServletName());
        }
        // send this exception as is (albeit unwrapping and wrapped
        // exception.
        Throwable t = se;
        while (t instanceof SlingException && t.getCause() != null) {
            t = t.getCause();
        }
        log.error("service: Uncaught SlingException", t);
        handleError(t, request, response);
    } catch (AccessControlException ace) {
        // SLING-319 if anything goes wrong, send 403/FORBIDDEN
        log.info("service: Authenticated user {} does not have enough rights to executed requested action", request.getRemoteUser());
        handleError(HttpServletResponse.SC_FORBIDDEN, null, request, response);
    } catch (UnavailableException ue) {
        // exception is thrown before the SlingHttpServletRequest/Response
        // is properly set up due to missing dependencies. In this case
        // we must not use the Sling error handling infrastructure but
        // just return a 503 status response handled by the servlet
        // container environment
        final int status = HttpServletResponse.SC_SERVICE_UNAVAILABLE;
        final String errorMessage = ue.getMessage() + " service missing, cannot service requests";
        log.error("{} , sending status {}", errorMessage, status);
        servletResponse.sendError(status, errorMessage);
    } catch (IOException ioe) {
        // forward IOException up the call chain to properly handle it
        throw ioe;
    } catch (Throwable t) {
        // we assume, that this is the name of the causing servlet
        if (requestData.getActiveServletName() != null) {
            request.setAttribute(ERROR_SERVLET_NAME, requestData.getActiveServletName());
        }
        log.error("service: Uncaught Throwable", t);
        handleError(t, request, response);
    } finally {
        if (mbean != null) {
            mbean.addRequestData(requestData);
        }
    }
}

Example 5 with SlingException

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

the class AuthorizableResourceProvider method listChildren.

@Override
public Iterator<Resource> listChildren(ResolveContext<Object> ctx, Resource parent) {
    try {
        String path = parent.getPath();
        ResourceResolver resourceResolver = parent.getResourceResolver();
        // handle children of /system/userManager
        if (SYSTEM_USER_MANAGER_PATH.equals(path)) {
            List<Resource> resources = new ArrayList<Resource>();
            if (resourceResolver != null) {
                resources.add(getResource(ctx, SYSTEM_USER_MANAGER_USER_PATH, null, null));
                resources.add(getResource(ctx, SYSTEM_USER_MANAGER_GROUP_PATH, null, null));
            }
            return resources.iterator();
        }
        int searchType = -1;
        if (SYSTEM_USER_MANAGER_USER_PATH.equals(path)) {
            searchType = PrincipalManager.SEARCH_TYPE_NOT_GROUP;
        } else if (SYSTEM_USER_MANAGER_GROUP_PATH.equals(path)) {
            searchType = PrincipalManager.SEARCH_TYPE_GROUP;
        }
        if (searchType != -1) {
            PrincipalIterator principals = null;
            Session session = resourceResolver.adaptTo(Session.class);
            if (session != null) {
                PrincipalManager principalManager = AccessControlUtil.getPrincipalManager(session);
                principals = principalManager.getPrincipals(searchType);
            }
            if (principals != null) {
                return new ChildrenIterator(parent, principals);
            }
        }
    } catch (RepositoryException re) {
        throw new SlingException("Error listing children of resource: " + parent.getPath(), re);
    }
    return null;
}