Java JsonNodeType.OBJECT屬性代碼示例

private List<FieldValues> parseResponse(final JsonNode response) {
    if (response == null || response.get("fields") == null) {
        throw new RuntimeException("Failed to parse JSON");
    }

    final JsonNode fieldsNode = response.get("fields");

    if (fieldsNode.getNodeType() == JsonNodeType.OBJECT || fieldsNode.getNodeType() == JsonNodeType.ARRAY) {
        final List<FieldValues> output = new ArrayList<>();

        for (final JsonNode node : fieldsNode) {
            try {
                final FieldValues fieldValues = objectMapper.treeToValue(node, FieldValues.class);
                output.add(fieldValues);
            } catch (final JsonProcessingException e) {
                throw new RuntimeException("Failed to parse JSON", e);
            }
        }

        return output;
    } else {
        throw new RuntimeException("Failed to parse JSON");
    }
}
 

/**
 * List of all not-empty rooms
 * @param user the id of the person requesting the list, or null if unauthenticated
 * @param map
 * @return List of all sites, possibly filtered by owner and/or name. Will not return null.
 */
public List<JsonNode> listSites(ResourceAccessPolicy accessPolicy, String owner, String name) {
    Log.log(Level.FINER, this, "List all rooms");

    List<JsonNode> result = sites.listSites(nullEmpty(owner), nullEmpty(name));

    //we have to step through any results to remove the connectionDetails blocks.
    for(JsonNode j : result){
        JsonNode ownerNode = j.get("owner");
        if(ownerNode!=null && ownerNode.getNodeType().equals(JsonNodeType.STRING)){
            String ownerNodeString = ownerNode.textValue();
            //remove connectionDetailsBlocks unless requested by owner or the system id
            if( stripSensitiveData(accessPolicy, ownerNodeString)){
                JsonNode info = j.get("info");
                if(info.getNodeType() == JsonNodeType.OBJECT){
                    ObjectNode infoObj = (ObjectNode)info;
                    if(infoObj.has("connectionDetails")){
                        infoObj.remove("connectionDetails");
                    }
                }
            }
        }
    }
    return result;
}
 

private Map<String, String> decodeAttributes(JsonNode tree, String name) {
    final JsonNode n = tree.get(name);

    if (n == null) {
        return EMPTY_ATTRIBUTES;
    }

    if (n.getNodeType() != JsonNodeType.OBJECT) {
        return EMPTY_ATTRIBUTES;
    }

    final Map<String, String> attributes = Maps.newHashMap();

    final Iterator<Map.Entry<String, JsonNode>> iter = n.fields();

    while (iter.hasNext()) {
        final Map.Entry<String, JsonNode> e = iter.next();
        attributes.put(e.getKey(), e.getValue().asText());
    }

    return attributes;
}
 

public void setText(JsonNode jn) {
	if (isComposed) {
		if(jn.getNodeType() == JsonNodeType.OBJECT) {
			com.fasterxml.jackson.databind.node.ObjectNode on = (ObjectNode) jn;
			for(JComponent jc : children) {
				if(jc instanceof JTextComponent) {
					JsonNode jn2 = on.get(jc.getName());
					// TODO nested components
					((JTextComponent) jc).setText(jn2.asText());
				}
			}
		} else {
			 JOptionPane.showMessageDialog(null, "Unsupported Type", "Composed type value: " + jn, JOptionPane.ERROR_MESSAGE);
		}
	} else {
		((JTextComponent) component).setText(jn.asText());
	}
}
 

private void parseJSON() throws SchemaConfigurationError {
    try {
        ObjectNode fields = (ObjectNode) root.get("fields");
        Iterator<Map.Entry<String, JsonNode>> iterator = fields.fields();
        while (iterator.hasNext()) {
            Map.Entry<String, JsonNode> entry = iterator.next();
            FieldIndex index = buildField(entry.getKey(), entry.getValue());
            schema.addFieldIndex(index.getName(), index);
        }
        JsonNode persistence = root.get("persistence");
        //as a default set DummyQueryStorage. Only if persistence options are provided overwrite it
        schema.setQueryStorage(new DummyQueryStorage());
        if (persistence != null && persistence.getNodeType() == JsonNodeType.OBJECT) {
            //if persistence key doesn't exist there is no persistence
            JsonNode file = persistence.get("file");
            if (file != null && file.getNodeType() == JsonNodeType.STRING) {
                schema.setQueryStorage(new MapDBStore(new File(schemaDirectory, file.asText())));
            } else {
                LOGGER.error("unable to get file name for query storage. Continuing with no persistence!");
            }
        }
    } catch (Exception e) {
        throw new SchemaConfigurationError("Could not parse JSON tree", e);
    }
    schema.init();
}
 

private static void generateDiffs(final DiffProcessor processor, final JsonPointer pointer,
                                  final JsonNode source, final JsonNode target) {

    if (EQUIVALENCE.equivalent(source, target)) {
        return;
    }

    final JsonNodeType sourceType = source.getNodeType();
    final JsonNodeType targetType = target.getNodeType();

    /*
     * Node types differ: generate a replacement operation.
     */
    if (sourceType != targetType) {
        processor.valueReplaced(pointer, source, target);
        return;
    }

    /*
     * If we reach this point, it means that both nodes are the same type,
     * but are not equivalent.
     *
     * If this is not a container, generate a replace operation.
     */
    if (!source.isContainerNode()) {
        processor.valueReplaced(pointer, source, target);
        return;
    }

    /*
     * If we reach this point, both nodes are either objects or arrays;
     * delegate.
     */
    if (sourceType == JsonNodeType.OBJECT) {
        generateObjectDiffs(processor, pointer, (ObjectNode) source, (ObjectNode) target);
    } else {
        // array
        generateArrayDiffs(processor, pointer, (ArrayNode) source, (ArrayNode) target);
    }
}
 

private static ObjectNode createSchemaByJsonNode(JsonNode node) {
	   ObjectNode resultNodeNew = mapper.getNodeFactory().objectNode(); 
	  if (node.getNodeType() == JsonNodeType.OBJECT) {
		  ObjectNode objResult  = leafNodes(node);
		  resultNodeNew.put(TYPE, OBJECT);
		  resultNodeNew.set(PROPERTIES, objResult);
		} else if (node.getNodeType() == JsonNodeType.ARRAY) {				
			ObjectNode items = identifyAndProcessArrayNode(node);
			resultNodeNew =  items;
		}
	return resultNodeNew;
}
 

private void createModelByJsonNode(JsonNode node, String apiName, ModelBuilder rootModelBuilder){
	if (node.getNodeType() == JsonNodeType.OBJECT) {
		createObjectModel(node, rootModelBuilder, apiName);
		models.put(apiName, rootModelBuilder);
	} else if (node.getNodeType() == JsonNodeType.ARRAY) {
		ArrayPropertyBuilder arrayPropertyBuilder = rootModelBuilder.withArrayProperty(apiName);
		createArrayModel(node, arrayPropertyBuilder, apiName + "-item");
		models.put(apiName, rootModelBuilder);
	}		
}
 

private void createObjectModel(JsonNode node, ModelBuilder modelBuilder, String apiName) {
	Iterator<String> fieldNames = node.fieldNames();

	while (fieldNames.hasNext()) {
		String field = fieldNames.next();
		JsonNode leafNode = node.get(field);

		if (leafNode.getNodeType() == JsonNodeType.NUMBER) {
			if (leafNode.isInt() || leafNode.isLong()) {
				modelBuilder.withIntegerPropertyNamed(field).withExample(leafNode.asLong());
			} else if (leafNode.isFloat() || leafNode.isDouble()) {
				modelBuilder.withNumberPropertyNamed(field).withExample(leafNode.asDouble());
			}
		} else if (leafNode.getNodeType() == JsonNodeType.BOOLEAN) {
			modelBuilder.withBooleanPropertyNamed(field).withExample(leafNode.asBoolean());
		} else if (leafNode.getNodeType() == JsonNodeType.STRING) {
			modelBuilder.withStringPropertyNamed(field).withExample(leafNode.asText());
		} else if (leafNode.getNodeType() == JsonNodeType.OBJECT) {
			String refName = apiName+"-"+field;
			modelBuilder.withReferencePropertyNamed(field).withReferenceTo(refName);
			ModelBuilder objModelBuilder = new ModelBuilder();
			createObjectModel(leafNode, objModelBuilder, refName);
			models.put(refName, objModelBuilder);
		}else if(leafNode.getNodeType() == JsonNodeType.ARRAY){
			createArrayModel(leafNode, modelBuilder.withArrayProperty(field), apiName+"-"+field);				
		}
	}		
}
 

private Extension deserializeExtension(JsonParser jp, JsonNode rootNode, String urn) throws IOException {
    if (urn == null || urn.isEmpty()) {
        throw new IllegalStateException("The URN cannot be null or empty");
    }
    if (rootNode.getNodeType() != JsonNodeType.OBJECT) {
        throw new JsonMappingException(jp, "Extension is of wrong JSON type");
    }
    Extension.Builder extensionBuilder = new Extension.Builder(urn);
    Iterator<Map.Entry<String, JsonNode>> fieldIterator = rootNode.fields();
    while (fieldIterator.hasNext()) {
        Map.Entry<String, JsonNode> entry = fieldIterator.next();
        switch (entry.getValue().getNodeType()) {
            case BOOLEAN:
                Boolean boolValue = ExtensionFieldType.BOOLEAN.fromString(entry.getValue().asText());
                extensionBuilder.setField(entry.getKey(), boolValue);
                break;
            case STRING:
                String stringValue = ExtensionFieldType.STRING.fromString(entry.getValue().asText());
                extensionBuilder.setField(entry.getKey(), stringValue);
                break;
            case NUMBER:
                String numberValueAsString = entry.getValue().asText();
                if (numberValueAsString.contains(".")) {
                    BigDecimal decimalValue = ExtensionFieldType.DECIMAL.fromString(numberValueAsString);
                    extensionBuilder.setField(entry.getKey(), decimalValue);
                } else {
                    BigInteger integerValue = ExtensionFieldType.INTEGER.fromString(numberValueAsString);
                    extensionBuilder.setField(entry.getKey(), integerValue);
                }
                break;
            default:
                throw new IllegalArgumentException("JSON type not supported: " + entry.getValue().getNodeType());
        }
    }

    return extensionBuilder.build();
}
 

/**
 * Update the content of this object with a JSON structure.<br/>
 * NB: selectableColumns are never updated
 * 
 * @param json
 *            the json node to unmarshall
 */
private void unmarshall(JsonNode json) throws FilterConfigException {
    JsonNode currentPageNode = json.get(JSON_CURRENT_PAGE_FIELD);
    if (currentPageNode != null && currentPageNode.getNodeType() == JsonNodeType.NUMBER) {
        setCurrentPage(((Long) currentPageNode.asLong()).intValue());
        if (log.isDebugEnabled()) {
            log.debug("Unmarshalled page number : " + getCurrentPage());
        }
    }

    JsonNode userConfigAsJson = json.get(JSON_USER_CONFIG_FIELD);
    if (userConfigAsJson != null && userConfigAsJson.getNodeType() == JsonNodeType.OBJECT) {
        Iterator<String> fieldNames = userConfigAsJson.fieldNames();
        while (fieldNames.hasNext()) {
            String columnId = fieldNames.next();
            if (getUserColumnConfigurations().containsKey(columnId)) {
                UserColumnConfiguration userColumnConfiguration = getUserColumnConfigurations().get(columnId);
                JsonNode userColumnConfigurationAsJson = userConfigAsJson.get(columnId);
                if (log.isDebugEnabled()) {
                    log.debug("Unmarshalled json : " + userColumnConfigurationAsJson);
                }
                userColumnConfiguration.unmarshall(getSelectableColumns().get(columnId), userColumnConfigurationAsJson);
            } else {
                if (log.isDebugEnabled()) {
                    log.debug("Unknown column : " + columnId);
                }
            }
        }
    }

    if (json.has(JSON_SELECTED_ROWS_FIELD) && json.get(JSON_SELECTED_ROWS_FIELD).isArray()) {
        this.selectedRows = new ArrayList<>();
        for (JsonNode node : json.get(JSON_SELECTED_ROWS_FIELD)) {
            this.selectedRows.add(node.asText());
        }
    }
}
 

public static boolean isJsonSchemaType(JsonNode type) {
	boolean isJsonSchema = false;
	
	// TODO use JSON schema parser
	if (type != null && type.getNodeType() == JsonNodeType.OBJECT) {
		JsonNode value = type.findValue("type");
		if(value != null) {
			isJsonSchema =  JSON_SCHEMA_PRIMITIVE_TYPES.contains(value.asText());
		}
	}
	
	return isJsonSchema;
	
}
 

protected ClauseNode parseNode(JsonNode node) throws MalformedQueryException {
    if (node.getNodeType() == JsonNodeType.OBJECT) {
        if (isCondition(node)) {
            return handleCondition((ObjectNode) node);
        } else {
            return parseClauseNode(node);
        }
    }
    return null;
}
 

private Analyzer getAnalyzer(JsonNode options) throws ClassNotFoundException, NoSuchMethodException, InvocationTargetException, IllegalAccessException {
    String analyzerName = "de.danielbasedow.prospecter.core.analysis.LuceneStandardAnalyzer";
    if (options != null && options.getNodeType() == JsonNodeType.OBJECT) {
        JsonNode analyzerNode = options.get("analyzer");
        if (analyzerNode != null && analyzerNode.getNodeType() == JsonNodeType.STRING) {
            analyzerName = analyzerNode.asText();
        }
    }
    LOGGER.info("using analyzer " + analyzerName);
    Class class_ = Class.forName(analyzerName);
    Method factory = class_.getMethod("make", JsonNode.class);
    return (Analyzer) factory.invoke(null, options);
}
 

public Extension deserializeExtension(JsonNode rootNode, String urn) throws IOException {
    if (urn == null || urn.isEmpty()) {
        throw new IllegalStateException("The URN cannot be null or empty");
    }
    if (rootNode.getNodeType() != JsonNodeType.OBJECT) {
        throw new JsonMappingException("Extension is of wrong JSON type");
    }
    Extension.Builder extensionBuilder = new Extension.Builder(urn);
    Iterator<Map.Entry<String, JsonNode>> fieldIterator = rootNode.fields();
    while (fieldIterator.hasNext()) {
        Map.Entry<String, JsonNode> entry = fieldIterator.next();
        switch (entry.getValue().getNodeType()) {
            case BOOLEAN:
                Boolean boolValue = ExtensionFieldType.BOOLEAN.fromString(entry.getValue().asText());
                extensionBuilder.setField(entry.getKey(), boolValue);
                break;
            case STRING:
                String stringValue = ExtensionFieldType.STRING.fromString(entry.getValue().asText());
                extensionBuilder.setField(entry.getKey(), stringValue);
                break;
            case NUMBER:
                String numberValueAsString = entry.getValue().asText();
                if (numberValueAsString.contains(".")) {
                    BigDecimal decimalValue = ExtensionFieldType.DECIMAL.fromString(numberValueAsString);
                    extensionBuilder.setField(entry.getKey(), decimalValue);
                } else {
                    BigInteger integerValue = ExtensionFieldType.INTEGER.fromString(numberValueAsString);
                    extensionBuilder.setField(entry.getKey(), integerValue);
                }
                break;
            default:
                throw new IllegalArgumentException("JSON type not supported: " + entry.getValue().getNodeType());
        }
    }

    return extensionBuilder.build();
}