Examples with JsonException javax.json.JsonException used on opensource projects

Example 21 with JsonException

use of javax.json.JsonException in project sling by apache.

the class AnnouncementRegistryImpl method addAllExcept.

@Override
public synchronized void addAllExcept(final Announcement target, final ClusterView clusterView, final AnnouncementFilter filter) {
    ResourceResolver resourceResolver = null;
    try {
        resourceResolver = resourceResolverFactory.getServiceResourceResolver(null);
        final Resource clusterInstancesResource = ResourceHelper.getOrCreateResource(resourceResolver, config.getClusterInstancesPath());
        final Iterator<Resource> it0 = clusterInstancesResource.getChildren().iterator();
        Resource announcementsResource;
        while (it0.hasNext()) {
            final Resource aClusterInstanceResource = it0.next();
            final String instanceId = aClusterInstanceResource.getName();
            //TODO: add ClusterView.contains(instanceSlingId) for convenience to next api change
            if (!contains(clusterView, instanceId)) {
                // (corresponds to earlier expiry-handling)
                continue;
            }
            announcementsResource = aClusterInstanceResource.getChild("announcements");
            if (announcementsResource == null) {
                continue;
            }
            Iterator<Resource> it = announcementsResource.getChildren().iterator();
            while (it.hasNext()) {
                Resource anAnnouncement = it.next();
                if (logger.isDebugEnabled()) {
                    logger.debug("addAllExcept: anAnnouncement=" + anAnnouncement);
                }
                Announcement topologyAnnouncement;
                topologyAnnouncement = Announcement.fromJSON(anAnnouncement.adaptTo(ValueMap.class).get("topologyAnnouncement", String.class));
                if (filter != null && !filter.accept(aClusterInstanceResource.getName(), topologyAnnouncement)) {
                    continue;
                }
                target.addIncomingTopologyAnnouncement(topologyAnnouncement);
            }
        }
    // even before SLING-3389 this method only did read operations,
    // hence no commit was ever necessary. The close happens in the finally block
    } catch (LoginException e) {
        logger.error("handleEvent: could not log in administratively: " + e, e);
        throw new RuntimeException("Could not log in to repository (" + e + ")", e);
    } catch (PersistenceException e) {
        logger.error("handleEvent: got a PersistenceException: " + e, e);
        throw new RuntimeException("Exception while talking to repository (" + e + ")", e);
    } catch (JsonException e) {
        logger.error("handleEvent: got a JSONException: " + e, e);
        throw new RuntimeException("Exception while converting json (" + e + ")", e);
    } finally {
        if (resourceResolver != null) {
            resourceResolver.close();
        }
    }
}

Example 22 with JsonException

use of javax.json.JsonException in project sling by apache.

the class OverrideStringParser method parse.

/**
     * Parses a list of override strings from a override provider.
     * @param overrideStrings Override strings
     * @return Override objects
     */
public static Collection<OverrideItem> parse(Collection<String> overrideStrings) {
    List<OverrideItem> result = new ArrayList<>();
    for (String overrideString : overrideStrings) {
        // check if override generic pattern is matched
        Matcher matcher = OVERRIDE_PATTERN.matcher(StringUtils.defaultString(overrideString));
        if (!matcher.matches()) {
            log.warn("Ignore config override string - invalid syntax: {}", overrideString);
            continue;
        }
        // get single parts
        String path = StringUtils.trim(matcher.group(2));
        String configName = StringUtils.trim(matcher.group(3));
        String value = StringUtils.trim(StringUtils.defaultString(matcher.group(4)));
        OverrideItem item;
        try {
            // check if value is JSON = defines whole parameter map for a config name
            JsonObject json = toJson(value);
            if (json != null) {
                item = new OverrideItem(path, configName, toMap(json), true);
            } else {
                // otherwise it defines a key/value pair in a single line
                String propertyName = StringUtils.substringAfterLast(configName, "/");
                if (StringUtils.isEmpty(propertyName)) {
                    log.warn("Ignore config override string - missing property name: {}", overrideString);
                    continue;
                }
                configName = StringUtils.substringBeforeLast(configName, "/");
                Map<String, Object> props = new HashMap<>();
                props.put(propertyName, convertJsonValue(value));
                item = new OverrideItem(path, configName, props, false);
            }
        } catch (JsonException ex) {
            log.warn("Ignore config override string - invalid JSON syntax ({}): {}", ex.getMessage(), overrideString);
            continue;
        }
        // validate item
        if (!isValid(item, overrideString)) {
            continue;
        }
        // if item does not contain a full property set try to merge with existing one
        if (!item.isAllProperties()) {
            boolean foundMatchingItem = false;
            for (OverrideItem existingItem : result) {
                if (!existingItem.isAllProperties() && StringUtils.equals(item.getPath(), existingItem.getPath()) && StringUtils.equals(item.getConfigName(), existingItem.getConfigName())) {
                    existingItem.getProperties().putAll(item.getProperties());
                    foundMatchingItem = true;
                    break;
                }
            }
            if (foundMatchingItem) {
                continue;
            }
        }
        // add item to result
        result.add(item);
    }
    return result;
}

Example 23 with JsonException

use of javax.json.JsonException in project sling by apache.

the class ServletJsonUtils method writeJson.

public static void writeJson(SlingHttpServletResponse response, int status, String message, @Nullable Map<String, String> kv) throws IOException {
    JsonObjectBuilder json = Json.createObjectBuilder();
    try {
        json.add("message", message);
        if (kv != null && kv.size() > 0) {
            for (Map.Entry<String, String> entry : kv.entrySet()) {
                json.add(entry.getKey(), entry.getValue());
            }
        }
    } catch (JsonException e) {
        log.error("Cannot write json", e);
    }
    response.setStatus(status);
    append(json.build(), response.getWriter());
}

Example 24 with JsonException

use of javax.json.JsonException in project sling by apache.

the class JsonPipe method getOutput.

/**
     * in case there is no successful retrieval of some JSON data, we cut the pipe here
     * @return input resource of the pipe, can be reouputed N times in case output json binding is an array of
     * N element (output binding would be here each time the Nth element of the array)
     */
public Iterator<Resource> getOutput() {
    Iterator<Resource> output = EMPTY_ITERATOR;
    binding = null;
    String jsonString = retrieveJSONString();
    if (StringUtils.isNotBlank(jsonString)) {
        try {
            JsonStructure json;
            try {
                json = JsonUtil.parse(jsonString);
            } catch (JsonException ex) {
                json = null;
            }
            if (json == null) {
                binding = jsonString.trim();
                output = super.getOutput();
            } else if (json.getValueType() != ValueType.ARRAY) {
                binding = JsonUtil.unbox(json);
                output = super.getOutput();
            } else {
                binding = array = (JsonArray) json;
                index = 0;
                output = new Iterator<Resource>() {

                    @Override
                    public boolean hasNext() {
                        return index < array.size();
                    }

                    @Override
                    public Resource next() {
                        try {
                            binding = JsonUtil.unbox(array.get(index));
                        } catch (Exception e) {
                            logger.error("Unable to retrieve {}nth item of jsonarray", index, e);
                        }
                        index++;
                        return getInput();
                    }
                };
            }
        } catch (JsonException e) {
            logger.error("unable to parse JSON {} ", jsonString, e);
        }
    }
    return output;
}

Example 25 with JsonException

use of javax.json.JsonException in project sling by apache.

the class ServletJsonUtils method writeJson.

public static void writeJson(SlingHttpServletResponse response, DistributionResponse distributionResponse) throws IOException {
    JsonObjectBuilder json = Json.createObjectBuilder();
    try {
        json.add("success", distributionResponse.isSuccessful());
        json.add("state", distributionResponse.getState().name());
        json.add("message", distributionResponse.getMessage());
    } catch (JsonException e) {
        log.error("Cannot write json", e);
    }
    switch(distributionResponse.getState()) {
        case DISTRIBUTED:
            response.setStatus(200);
            break;
        case DROPPED:
            response.setStatus(400);
            break;
        case ACCEPTED:
            response.setStatus(202);
            break;
        default:
            // TODO
            break;
    }
    append(json.build(), response.getWriter());
}