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

Example 6 with SlingException

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

the class OldStylePostOperationExample method run.

public void run(SlingHttpServletRequest request, HtmlResponse response, SlingPostProcessor[] processors) {
    final Resource r = request.getResource();
    final Node n = r.adaptTo(Node.class);
    try {
        response.setPath(r.getPath());
        response.setTitle("Content modified by " + getClass().getSimpleName());
        n.setProperty(getClass().getName(), "Old-style operation was applied to " + n.getPath());
        n.getSession().save();
    } catch (RepositoryException re) {
        throw new SlingException(getClass().getSimpleName() + " failed", re);
    }
}

Example 7 with SlingException

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

the class SlingIOProvider method lastModified.

/**
     * Returns the value of the last modified meta data field of the resource
     * found at file name or zero if the meta data field is not set. If the
     * resource does not exist or an error occurrs finding the resource, -1 is
     * returned.
     */
public long lastModified(String fileName) {
    try {
        final Resource resource = getResourceInternal(fileName);
        if (resource != null) {
            final ResourceMetadata meta = resource.getResourceMetadata();
            final long modTime = meta.getModificationTime();
            return (modTime > 0) ? modTime : 0;
        }
    } catch (SlingException se) {
        logger.error("Cannot get last modification time for " + fileName, se);
    }
    // fallback to "non-existant" in case of problems
    return -1;
}

Example 8 with SlingException

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

the class RewriterResponse method getProcessor.

/**
     * Search the first matching processor
     */
private Processor getProcessor() {
    final ProcessingContext processorContext = new ServletProcessingContext(this.request, this, this.getSlingResponse(), this.contentType);
    Processor found = null;
    final List<ProcessorConfiguration> processorConfigs = this.processorManager.getProcessorConfigurations();
    final Iterator<ProcessorConfiguration> i = processorConfigs.iterator();
    while (found == null && i.hasNext()) {
        final ProcessorConfiguration config = i.next();
        if (config.match(processorContext)) {
            try {
                found = this.processorManager.getProcessor(config, processorContext);
                this.request.getRequestProgressTracker().log("Found processor for post processing {0}", config);
            } catch (final SlingException se) {
                // already processing an error, we ignore this!
                if (processorContext.getRequest().getAttribute("javax.servlet.error.status_code") != null) {
                    this.request.getRequestProgressTracker().log("Ignoring found processor for post processing {0}" + " as an error occured ({1}) during setup while processing another error.", config, se);
                } else {
                    throw se;
                }
            }
        }
    }
    return found;
}

Example 9 with SlingException

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

the class BasicQueryLanguageProvider method queryResources.

@Override
public Iterator<ValueMap> queryResources(final ResolveContext<JcrProviderState> ctx, final String query, final String language) {
    final String queryLanguage = ArrayUtils.contains(getSupportedLanguages(ctx), language) ? language : DEFAULT_QUERY_LANGUAGE;
    try {
        final QueryResult result = JcrResourceUtil.query(ctx.getProviderState().getSession(), query, queryLanguage);
        final String[] colNames = result.getColumnNames();
        final RowIterator rows = result.getRows();
        return new Iterator<ValueMap>() {

            private ValueMap next;

            {
                next = seek();
            }

            @Override
            public boolean hasNext() {
                return next != null;
            }

            ;

            @Override
            public ValueMap next() {
                if (next == null) {
                    throw new NoSuchElementException();
                }
                final ValueMap result = next;
                next = seek();
                return result;
            }

            private ValueMap seek() {
                ValueMap result = null;
                while (result == null && rows.hasNext()) {
                    try {
                        final Row jcrRow = rows.nextRow();
                        final String resourcePath = jcrRow.getPath();
                        if (resourcePath != null && providerContext.getExcludedPaths().matches(resourcePath) == null) {
                            final Map<String, Object> row = new HashMap<String, Object>();
                            boolean didPath = false;
                            boolean didScore = false;
                            final Value[] values = jcrRow.getValues();
                            for (int i = 0; i < values.length; i++) {
                                Value v = values[i];
                                if (v != null) {
                                    String colName = colNames[i];
                                    row.put(colName, JcrResourceUtil.toJavaObject(values[i]));
                                    if (colName.equals(QUERY_COLUMN_PATH)) {
                                        didPath = true;
                                        row.put(colName, JcrResourceUtil.toJavaObject(values[i]).toString());
                                    }
                                    if (colName.equals(QUERY_COLUMN_SCORE)) {
                                        didScore = true;
                                    }
                                }
                            }
                            if (!didPath) {
                                row.put(QUERY_COLUMN_PATH, jcrRow.getPath());
                            }
                            if (!didScore) {
                                row.put(QUERY_COLUMN_SCORE, jcrRow.getScore());
                            }
                            result = new ValueMapDecorator(row);
                        }
                    } catch (final RepositoryException re) {
                        logger.error("queryResources$next: Problem accessing row values", re);
                    }
                }
                return result;
            }

            @Override
            public void remove() {
                throw new UnsupportedOperationException("remove");
            }
        };
    } catch (final javax.jcr.query.InvalidQueryException iqe) {
        throw new QuerySyntaxException(iqe.getMessage(), query, language, iqe);
    } catch (final RepositoryException re) {
        throw new SlingException(re.getMessage(), re);
    }
}

Example 10 with SlingException

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

the class JcrResourceProvider method updateListeners.

/**
     * Update observation listeners.
     */
private void updateListeners() {
    if (this.listenerConfig == null) {
        this.unregisterListeners();
        this.registerListeners();
    } else {
        logger.debug("Updating resource listeners...");
        final Map<ObserverConfiguration, Closeable> oldMap = new HashMap<>(this.listeners);
        this.listeners.clear();
        try {
            for (final ObserverConfiguration config : this.getProviderContext().getObservationReporter().getObserverConfigurations()) {
                // check if such a listener already exists
                Closeable listener = oldMap.remove(config);
                if (listener == null) {
                    logger.debug("Registering listener for {}", config.getPaths());
                    listener = new JcrResourceListener(this.listenerConfig, config);
                } else {
                    logger.debug("Updating listener for {}", config.getPaths());
                    ((JcrResourceListener) listener).update(config);
                }
                this.listeners.put(config, listener);
            }
        } catch (final RepositoryException e) {
            throw new SlingException("Can't create the JCR event listener.", e);
        }
        for (final Closeable c : oldMap.values()) {
            try {
                logger.debug("Removing listener for {}", ((JcrResourceListener) c).getConfig().getPaths());
                c.close();
            } catch (final IOException e) {
            // ignore this as the method above does not throw it
            }
        }
        logger.debug("Updated resource listeners");
    }
}