Example usage for com.fasterxml.jackson.databind JsonNode iterator

Introduction

In this page you can find the example usage for com.fasterxml.jackson.databind JsonNode iterator.

Prototype

public final Iterator<JsonNode> iterator() 

Source Link

Usage

From source file:es.bsc.amon.util.tree.TreeNodeFactory.java

public static TreeNode fromJson(JsonNode json) {
    TreeNode n = null;/*from  w w  w  . j  a va  2 s .com*/
    if (json.isArray()) {
        n = new NodeArray();
        Iterator<JsonNode> it = json.iterator();
        while (it.hasNext()) {
            ((NodeArray) n).elements.add(fromJson(it.next()));
        }
    } else if (json.isNumber()) {
        n = new NumberValue();
        ((NumberValue) n).value = json.numberValue();
    } else if (json.isTextual()) {
        n = new StringValue();
        ((StringValue) n).value = json.asText();
    } else if (json.isObject()) {
        n = new ObjNode();
        Iterator<Map.Entry<String, JsonNode>> it = json.fields();
        while (it.hasNext()) {
            Map.Entry<String, JsonNode> e = it.next();
            ((ObjNode) n).properties.put(e.getKey(), fromJson(e.getValue()));
        }
    } else
        throw new RuntimeException("You should not reach this");
    return n;
}

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From source file:com.galenframework.ide.devices.tasks.DeviceTaskParser.java

private static List<DeviceCommand> parseCommands(ObjectMapper mapper, JsonNode commandsNode)
        throws InvocationTargetException, NoSuchMethodException, InstantiationException,
        IllegalAccessException {/*from w  w  w .j  a  v  a2s.  c om*/
    if (commandsNode.isArray()) {
        Iterator<JsonNode> it = commandsNode.iterator();

        List<DeviceCommand> commands = new LinkedList<>();
        while (it.hasNext()) {
            commands.add(parseCommand(mapper, it.next()));
        }
        return commands;
    } else {
        throw new RuntimeException("\"commands\" should be an array");
    }
}

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From source file:com.vmware.admiral.closures.util.ClosureUtils.java

private static JsonElement toJsonElementArray(JsonNode node) {
    JsonArray jsObjArray = new JsonArray();
    Iterator<JsonNode> iterator = node.iterator();
    while (iterator.hasNext()) {
        JsonNode childNode = iterator.next();
        JsonElement convertedValue = getJsonObjElement(childNode);
        jsObjArray.add(convertedValue);//from w  ww. ja va 2s .  co  m
    }

    return jsObjArray;
}

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From source file:org.gravidence.gravifon.db.ViewQueryResultsExtractor.java

/**
 * Extracts all properties from view query results.
 * //www.j a  v a 2 s .  c o  m
 * @param propertyType property object type
 * @param propertyName property name
 * @param json view query results
 * @return list of <code>propertyType</code> objects if any, or <code>null</code> otherwise
 */
private static <T> List<T> extractProperies(Class<T> propertyType, String propertyName, InputStream json) {
    List<T> values = null;

    JsonNode rows = extractRows(json);
    if (rows.isArray() && rows.size() > 0) {
        values = new ArrayList<>(rows.size());

        Iterator<JsonNode> it = rows.iterator();
        while (it.hasNext()) {
            JsonNode row = it.next();
            values.add(extractProperty(propertyType, propertyName, row));
        }
    }

    return values;
}

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From source file:com.flipkart.zjsonpatch.JsonPatch.java

private static void process(JsonNode patch, JsonPatchProcessor processor, EnumSet<CompatibilityFlags> flags)
        throws InvalidJsonPatchException {

    if (!patch.isArray())
        throw new InvalidJsonPatchException("Invalid JSON Patch payload (not an array)");
    Iterator<JsonNode> operations = patch.iterator();
    while (operations.hasNext()) {
        JsonNode jsonNode = operations.next();
        if (!jsonNode.isObject())
            throw new InvalidJsonPatchException("Invalid JSON Patch payload (not an object)");
        Operation operation = Operation
                .fromRfcName(getPatchAttr(jsonNode, Constants.OP).toString().replaceAll("\"", ""));
        List<String> path = getPath(getPatchAttr(jsonNode, Constants.PATH));

        switch (operation) {
        case REMOVE: {
            processor.remove(path);//from  ww w . j a  va  2 s.  c o  m
            break;
        }

        case ADD: {
            JsonNode value;
            if (!flags.contains(CompatibilityFlags.MISSING_VALUES_AS_NULLS))
                value = getPatchAttr(jsonNode, Constants.VALUE);
            else
                value = getPatchAttrWithDefault(jsonNode, Constants.VALUE, NullNode.getInstance());
            processor.add(path, value);
            break;
        }

        case REPLACE: {
            JsonNode value;
            if (!flags.contains(CompatibilityFlags.MISSING_VALUES_AS_NULLS))
                value = getPatchAttr(jsonNode, Constants.VALUE);
            else
                value = getPatchAttrWithDefault(jsonNode, Constants.VALUE, NullNode.getInstance());
            processor.replace(path, value);
            break;
        }

        case MOVE: {
            List<String> fromPath = getPath(getPatchAttr(jsonNode, Constants.FROM));
            processor.move(fromPath, path);
            break;
        }
        }
    }
}

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From source file:de.unikonstanz.winter.crossref.node.doi.CrossrefDoiNodeModel.java

private static DataCell partialDateNodeToIntListCell(final JsonNode node) {
    if (CrossrefUtil.isNull(node)) {
        return new MissingCell(null);
    }//from w  w  w . j  a  v a  2  s  .  c  o m
    JsonNode dateParts = node.get("date-parts");
    if (CrossrefUtil.isNull(dateParts)) {
        return new MissingCell(null);
    }
    return CrossrefUtil.nodeToIntListCell(dateParts.iterator().next());
}

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From source file:org.primaldev.ppm.util.ChartTypeGenerator.java

public static ChartTypeComponent generateChart(byte[] reportData) {

    // Convert json to pojo
    JsonNode jsonNode = convert(reportData);

    // Title/*w w w  .  j av a 2s .c  o m*/
    JsonNode titleNode = jsonNode.get("title");
    String title = null;
    if (titleNode != null) {
        title = titleNode.textValue();
    }

    ChartTypeComponent chartComponent = new ChartTypeComponent(title);

    // Retrieve data sets
    JsonNode datasetsNode = jsonNode.get("datasets");

    // If no data was returned
    if (datasetsNode.size() == 0) {
        chartComponent.addChart(null, null, "Not enough data");
        return chartComponent;
    }

    if (datasetsNode != null && datasetsNode.isArray()) {

        Iterator<JsonNode> dataIterator = datasetsNode.iterator();
        while (dataIterator.hasNext()) {

            JsonNode datasetNode = dataIterator.next();

            JsonNode descriptionNode = datasetNode.get("description");
            String description = null;
            if (descriptionNode != null) {
                description = descriptionNode.textValue();
            }
            JsonNode dataNode = datasetNode.get("data");

            if (dataNode == null || dataNode.size() == 0) {
                chartComponent.addChart(description, null, "Not enough data");
            } else {

                String[] names = new String[dataNode.size()];
                Number[] values = new Number[dataNode.size()];

                int index = 0;
                Iterator<String> fieldIterator = dataNode.fieldNames();
                while (fieldIterator.hasNext()) {
                    String field = fieldIterator.next();
                    names[index] = field;
                    values[index] = dataNode.get(field).numberValue();
                    index++;
                }

                // Generate chart (or 'no data' message)
                if (names.length > 0) {
                    Component chart = createChart(datasetNode, names, values);
                    chartComponent.addChart(description, chart, null);
                } else {
                    chartComponent.addChart(description, null, "Not enough data");
                }

            }

        }

    }

    return chartComponent;
}

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From source file:org.forgerock.openig.migrate.action.EmptyConfigRemovalAction.java

@Override
public ObjectNode migrate(final ObjectNode configuration) {
    ArrayNode heap = (ArrayNode) configuration.get("heap");
    for (JsonNode node : heap) {
        ObjectNode object = (ObjectNode) node;
        JsonNode config = object.get("config");
        if ((config != null) && config.isContainerNode() && !config.iterator().hasNext()) {
            object.remove("config");
        }/*from  w  w  w.j ava2s .c o  m*/
    }
    return configuration;
}

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From source file:org.agorava.twitter.jackson.LocalTrendsDeserializer.java

@Override
public LocalTrendsHolder deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    JsonNode tree = jp.readValueAsTree();
    Iterator<JsonNode> dayIt = tree.iterator();
    if (dayIt.hasNext()) {
        JsonNode day = dayIt.next();/*from  ww w.j  a v  a  2 s .c o m*/
        Date createdAt = toDate(day.get("created_at").asText());
        JsonNode trendNodes = day.get("trends");
        List<Trend> trends = new ArrayList<Trend>();
        for (Iterator<JsonNode> trendsIt = trendNodes.iterator(); trendsIt.hasNext();) {
            JsonNode trendNode = trendsIt.next();
            trends.add(new Trend(trendNode.get("name").asText(), trendNode.get("query").textValue()));
        }
        jp.skipChildren();
        return new LocalTrendsHolder(new Trends(createdAt, trends));
    }

    throw ctxt.mappingException(LocalTrendsHolder.class);
}

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From source file:org.springframework.social.twitter.api.impl.LocalTrendsDeserializer.java

@Override
public LocalTrendsHolder deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    JsonNode node = jp.readValueAs(JsonNode.class);
    Iterator<JsonNode> dayIt = node.iterator();
    if (dayIt.hasNext()) {
        JsonNode day = dayIt.next();//  ww  w.  ja  v  a2 s.c  o m
        Date createdAt = toDate(day.get("created_at").asText());
        JsonNode trendNodes = day.get("trends");
        List<Trend> trends = new ArrayList<Trend>();
        for (Iterator<JsonNode> trendsIt = trendNodes.iterator(); trendsIt.hasNext();) {
            JsonNode trendNode = trendsIt.next();
            trends.add(new Trend(trendNode.get("name").asText(), trendNode.get("query").asText()));
        }
        jp.skipChildren();
        return new LocalTrendsHolder(new Trends(createdAt, trends));
    }

    throw ctxt.mappingException(LocalTrendsHolder.class);
}

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