Example usage for com.fasterxml.jackson.databind.node NullNode getInstance

Introduction

In this page you can find the example usage for com.fasterxml.jackson.databind.node NullNode getInstance.

Prototype

public static NullNode getInstance() 

Source Link

Usage

From source file:com.digitalpebble.stormcrawler.protocol.selenium.NavigationFilters.java

@SuppressWarnings("rawtypes")
@Override//from ww  w  .j a v a2s  . c  o m
public void configure(Map stormConf, JsonNode filtersConf) {
    // initialises the filters
    List<NavigationFilter> filterLists = new ArrayList<>();

    // get the filters part
    String name = getClass().getCanonicalName();
    filtersConf = filtersConf.get(name);

    if (filtersConf == null) {
        LOG.info("No field {} in JSON config. Skipping", name);
        filters = new NavigationFilter[0];
        return;
    }

    // conf node contains a list of objects
    Iterator<JsonNode> filterIter = filtersConf.elements();
    while (filterIter.hasNext()) {
        JsonNode afilterConf = filterIter.next();
        String filterName = "<unnamed>";
        JsonNode nameNode = afilterConf.get("name");
        if (nameNode != null) {
            filterName = nameNode.textValue();
        }
        JsonNode classNode = afilterConf.get("class");
        if (classNode == null) {
            LOG.error("Filter {} doesn't specified a 'class' attribute", filterName);
            continue;
        }
        String className = classNode.textValue().trim();
        filterName += '[' + className + ']';
        // check that it is available and implements the interface
        // NavigationFilter
        try {
            Class<?> filterClass = Class.forName(className);
            boolean subClassOK = NavigationFilter.class.isAssignableFrom(filterClass);
            if (!subClassOK) {
                LOG.error("Filter {} does not extend NavigationFilter", filterName);
                continue;
            }
            NavigationFilter filterInstance = (NavigationFilter) filterClass.newInstance();

            JsonNode paramNode = afilterConf.get("params");
            if (paramNode != null) {
                filterInstance.configure(stormConf, paramNode);
            } else {
                // Pass in a nullNode if missing
                filterInstance.configure(stormConf, NullNode.getInstance());
            }

            filterLists.add(filterInstance);
            LOG.info("Setup {}", filterName);
        } catch (Exception e) {
            LOG.error("Can't setup {}: {}", filterName, e);
            throw new RuntimeException("Can't setup " + filterName, e);
        }
    }

    filters = filterLists.toArray(new NavigationFilter[filterLists.size()]);
}

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From source file:de.raion.xmppbot.hipchat.JiraLinkBeautifierInterceptor.java

private String createMessageText(Message xmppMessage, JsonNode issue, JiraIssuePlugin plugin) {
    String issueKey = issue.findValue("key").textValue();
    String issueSummary = issue.findValue("summary").textValue();

    String issueIconUrl = issue.path("fields").path("issuetype").get("iconUrl").asText();
    String issueType = issue.path("fields").path("issuetype").get("name").asText();
    String priorityUrl = issue.path("fields").path("priority").get("iconUrl").asText();
    String priority = issue.path("fields").path("priority").get("name").asText();
    String statusUrl = issue.path("fields").path("status").get("iconUrl").asText();
    String status = issue.path("fields").path("status").get("name").asText();
    String reporterAcnt = issue.path("fields").path("reporter").get("name").asText();
    String reporterName = issue.path("fields").path("reporter").get("displayName").asText();
    String reporterIcon = issue.path("fields").path("reporter").path("avatarUrls").get("16x16").asText();

    String assigneeAcnt = null;/*  ww w .  j  av a 2s . co m*/
    String assigneeName = null;
    String assigneeIcon = null;

    JsonNode assignee = issue.path("fields").path("assignee");
    //log.debug(assignee.toString());
    //log.debug("Nullnode = {}", assignee.isNull());
    if (!(assignee == NullNode.getInstance())) {
        if (!assignee.get("name").isMissingNode())
            assigneeAcnt = assignee.get("name").asText();
        if (!assignee.get("displayName").isMissingNode())
            assigneeName = assignee.get("displayName").asText();
        if (!assignee.get("avatarUrls").isMissingNode())
            assigneeIcon = assignee.path("avatarUrls").get("16x16").asText();
    }

    String line = xmppMessage.getBody();
    int index = line.indexOf("http");
    String issueUrl = line.substring(index).trim().replace("\n", "");

    StringBuilder builder = new StringBuilder();

    String issueText = createIssueText(issueKey, issueSummary);

    builder.append(createImageTag(issueIconUrl, issueType));
    builder.append(" ").append(createAnchorTag(issueText, issueUrl));

    // TODO do better ;)
    if (!status.toLowerCase().equals("closed"))
        builder.append(createImageTag(priorityUrl, priority));

    builder.append(createImageTag(statusUrl, status));

    builder.append("  Opened by ");

    builder.append(
            createAnchorTag(reporterName, createProfileUrl(plugin.getConfig().getJiraDomain(), reporterAcnt)));
    builder.append(" ").append(createImageTag(reporterIcon, reporterName));

    if (assigneeAcnt != null) {
        builder.append(". Current assignee is ");
        builder.append(createAnchorTag(assigneeName,
                createProfileUrl(plugin.getConfig().getJiraDomain(), assigneeAcnt)));
        builder.append(" ").append(createImageTag(assigneeIcon, assigneeName));
    }

    return builder.toString();
}

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From source file:com.baasbox.commands.UsersResource.java

private JsonNode doFollow(JsonNode command, String from, String to) throws CommandExecutionException {
    try {/*from w ww. ja va 2  s .  c  o m*/
        ODocument followed = FriendShipService.follow(from, to);
        String s = JSONFormats.prepareDocToJson(followed, JSONFormats.Formats.USER);
        return Json.mapper().readTree(s);
    } catch (UserNotFoundException e) {
        throw new CommandExecutionException(command, ExceptionUtils.getMessage(e), e);
    } catch (AlreadyFriendsException e) {
        return NullNode.getInstance();
    } catch (SqlInjectionException e) {
        throw new CommandExecutionException(command, ExceptionUtils.getMessage(e), e);
    } catch (Exception e) {
        throw new CommandExecutionException(command, ExceptionUtils.getMessage(e), e);
    }
}

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From source file:com.almende.eve.state.mongo.MongoState.java

@Override
public synchronized boolean locPutIfUnchanged(final String key, final JsonNode newVal, JsonNode oldVal) {
    boolean result = false;
    try {/*  ww  w .  ja  va  2  s .  c  o m*/
        JsonNode cur = NullNode.getInstance();
        if (properties.containsKey(key)) {
            cur = properties.get(key);
        }
        if (oldVal == null) {
            oldVal = NullNode.getInstance();
        }

        // Poor man's equality as some Numbers are compared incorrectly: e.g.
        // IntNode versus LongNode
        if (oldVal.equals(cur) || oldVal.toString().equals(cur.toString())) {
            properties.put(key, newVal);
            result = updateProperties(false); // updateField(key, newVal);
        }
    } catch (final UpdateConflictException e) {
        LOG.log(Level.WARNING, e.getMessage());
        reloadProperties();
        // recur if update conflict occurs
        locPutIfUnchanged(key, newVal, oldVal);
    } catch (final Exception e) {
        LOG.log(Level.WARNING, "locPutIfUnchanged error", e);
    }

    return result;
}

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From source file:com.redhat.lightblue.crud.rdbms.RDBMSProcessor.java

private static void convertRecursion(RDBMSContext rdbmsContext, JsonDoc jd, String key, Object values,
        ArrayNode doc) {//from   ww w  .ja va2  s  .c o m
    Collection c = values instanceof Collection ? ((Collection) values) : null;
    if (values == null || (c != null && c.isEmpty())) {
        if (doc == null) {
            jd.modify(new Path(key), NullNode.getInstance(), true);
        } else {
            doc.add(NullNode.getInstance());
        }
    } else if (c != null && c.size() > 1) {
        if (doc == null) {
            doc = new ArrayNode(rdbmsContext.getJsonNodeFactory());
        }
        for (Object value : c) {
            if (value instanceof Collection) {
                Collection cValue = (Collection) value;
                ArrayNode newDoc = new ArrayNode(rdbmsContext.getJsonNodeFactory());
                for (Object o : cValue) {
                    convertRecursion(rdbmsContext, jd, key, o, newDoc);
                }
                doc.add(newDoc);
            } else {
                doc.add(value.toString());
            }
        }
        jd.modify(new Path(key), doc, true);
    } else {
        if (doc == null) {
            Object o = c.iterator().next();
            jd.modify(new Path(key), new TextNode(o.toString()), true);
        } else {
            doc.add(new TextNode(values.toString()));
        }
    }
}

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From source file:org.wisdom.wamp.WampControllerRPCTest.java

@Test
public void testValidInvocationWithNullArg() throws RegistryException {
    message = null;//from   ww w.j ava2 s. c om
    Json json = new JsonService();
    WampController controller = createWampControllerAndConnectClient(json);

    Howdy howdy = new Howdy();
    controller.register(howdy, "http://example.com/howdy");

    message = null;
    ArrayNode call = json.newArray();
    call.add(MessageType.CALL.code());
    call.add("7DK6TdN4wLiUJgNM");
    call.add("http://example.com/howdy#complex");
    call.add(NullNode.getInstance());

    controller.onMessage("id", call);

    assertThat(message).isNotNull();
    JsonNode node = json.parse(message);
    assertThat(node.isArray());
    System.out.println(message);
    assertThat(node.get(0).asInt()).isEqualTo(MessageType.CALLRESULT.code());
    assertThat(node.get(1).asText()).isEqualTo("7DK6TdN4wLiUJgNM");
    assertThat(node.get(2).isNull()).isTrue();
}

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From source file:com.almende.eve.state.ConcurrentJsonFileState.java

@Override
public synchronized JsonNode get(final String key) {
    JsonNode result = NullNode.getInstance();
    boolean open = false;
    try {/*from   w w w  .j a v a  2s  .  co  m*/
        if (properties == null) {
            open = true;
            openFile();
            read();
        }
        result = properties.get(key);
    } catch (final Exception e) {
        LOG.log(Level.WARNING, "", e);
    }
    if (open) {
        closeFile();
    }
    return result;
}

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From source file:com.baasbox.commands.UsersResource.java

protected JsonNode changeUsername(JsonNode command, JsonCallback unused) throws CommandException {
    String username = getUsername(command);
    JsonNode newUsernameJson = getParamField(command, "newUsername");
    if (newUsernameJson == null || !newUsernameJson.isTextual())
        throw new CommandExecutionException(command, "invalid new username: " + newUsernameJson);
    String newUsername = newUsernameJson.asText();
    try {/* w ww . j  a v  a2 s.c  om*/
        UserService.changeUsername(username, newUsername);
    } catch (UserNotFoundException | OpenTransactionException | SqlInjectionException e) {
        throw new CommandExecutionException(command, ExceptionUtils.getMessage(e), e);
    }
    return NullNode.getInstance();
}

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From source file:io.macgyver.neorx.rest.NeoRxClientIntegrationTest.java

@Test
public void testPrimitiveValues() throws JsonProcessingException, IOException {
    ObjectMapper m = new ObjectMapper();

    JsonNode n = m.createObjectNode().set("xyz", NullNode.getInstance());
    getClient().execCypher(// w  ww.j  a  v  a 2s  .c  om
            "create (a:JUnit) set a={p}, a.javaNull={javaNull},a.nullVal={nullVal}, a.intVal={intVal},a.stringVal={stringVal} return a",
            "p", n, "stringVal", m.readTree("\"foo\""), "intVal", m.readTree("3"), "nullVal",
            NullNode.getInstance(), "javaNull", null);
}

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From source file:org.apache.usergrid.java.client.model.UsergridEntity.java

public void removeProperty(@NotNull final String name) {
    putProperty(name, NullNode.getInstance());
}

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