org.lightningj.lnd.util

Class JsonGenUtils

java.lang.Object

org.lightningj.lnd.util.JsonGenUtils

public class JsonGenUtils
extends java.lang.Object

Class containing utility methods for generating/parsing JSON code. Created by Philip Vendil.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	INFINITE
static java.lang.String	NAN

Constructor Summary

Constructors

Constructor and Description
JsonGenUtils()

Method Summary

Modifier and Type	Method and Description
static com.google.protobuf.Message.Builder	jsonToMessage(javax.json.JsonObject jsonObject, com.google.protobuf.Descriptors.Descriptor messageDescriptor) Method to convert a jsonObject to a Message Builder.
static com.google.protobuf.Message.Builder	jsonToMessage(javax.json.JsonObject jsonObject, com.google.protobuf.Message.Builder builder, com.google.protobuf.Descriptors.Descriptor messageDescriptor) Method to convert a jsonObject to a Message Builder.
static java.lang.String	jsonToString(java.lang.Object jsonBuilder, boolean prettyPrint) Help method to convert a json object to string representation.
static javax.json.JsonObjectBuilder	messageToJson(com.google.protobuf.Message.Builder apiObjectBuilder, com.google.protobuf.Descriptors.Descriptor messageDescriptor) Method to convert a Proto Message to JSON.
static void	readRepeatedValue(javax.json.JsonArray jsonArray, com.google.protobuf.Message.Builder apiObjectBuilder, com.google.protobuf.Descriptors.FieldDescriptor fieldDescriptor) Method to read a json array into a repeated value in related message.
static void	readSingleValue(javax.json.JsonObject jsonObject, com.google.protobuf.Message.Builder apiObjectBuilder, com.google.protobuf.Descriptors.FieldDescriptor fieldDescriptor) Method to read and set a single value that is not a repeated or a map.
static void	setRepeatedValue(javax.json.JsonObjectBuilder jsonObjectBuilder, com.google.protobuf.Message.Builder apiObjectBuilder, com.google.protobuf.Descriptors.FieldDescriptor fieldDescriptor) Method to create json array of a repeated field.
static void	setSingleValue(javax.json.JsonObjectBuilder jsonObjectBuilder, com.google.protobuf.Message.Builder apiObjectBuilder, com.google.protobuf.Descriptors.FieldDescriptor fieldDescriptor) Sets a json value of an non repeated nor mapped field.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

INFINITE

public static final java.lang.String INFINITE

See Also:

Constant Field Values

NAN

public static final java.lang.String NAN

See Also:

Constant Field Values

Constructor Detail

JsonGenUtils

public JsonGenUtils()

Method Detail

jsonToString

public static java.lang.String jsonToString(java.lang.Object jsonBuilder,
                                            boolean prettyPrint)
                                     throws javax.json.JsonException

Help method to convert a json object to string representation.

Parameters:

jsonBuilder - the json data to convert, either JsonObjectBuilder or JsonArrayBuilder.

prettyPrint - true if json data should be pretty printed with indentation and newlines.

Returns:

string representation of json data.

Throws:

javax.json.JsonException - if problems occurred converting to string.

readSingleValue

public static void readSingleValue(javax.json.JsonObject jsonObject,
                                   com.google.protobuf.Message.Builder apiObjectBuilder,
                                   com.google.protobuf.Descriptors.FieldDescriptor fieldDescriptor)
                            throws javax.json.JsonException

Method to read and set a single value that is not a repeated or a map.

Parameters:

jsonObject - json object to read a value from.

apiObjectBuilder - the api object builder to set value into.

fieldDescriptor - the field descriptor

Throws:

javax.json.JsonException - if internal problems occurred converting the json data to message.

setSingleValue

public static void setSingleValue(javax.json.JsonObjectBuilder jsonObjectBuilder,
                                  com.google.protobuf.Message.Builder apiObjectBuilder,
                                  com.google.protobuf.Descriptors.FieldDescriptor fieldDescriptor)

Sets a json value of an non repeated nor mapped field.

Parameters:

jsonObjectBuilder - the json object being built

apiObjectBuilder - the related apiObject

fieldDescriptor - the field descriptor

messageToJson

public static javax.json.JsonObjectBuilder messageToJson(com.google.protobuf.Message.Builder apiObjectBuilder,
                                                         com.google.protobuf.Descriptors.Descriptor messageDescriptor)

Method to convert a Proto Message to JSON.

Parameters:

apiObjectBuilder - the proto message builder to convert.

messageDescriptor - the descriptor of the message.

Returns:

a new JsonObjectBuilder with all fields set.

jsonToMessage

public static com.google.protobuf.Message.Builder jsonToMessage(javax.json.JsonObject jsonObject,
                                                                com.google.protobuf.Descriptors.Descriptor messageDescriptor)
                                                         throws javax.json.JsonException

Method to convert a jsonObject to a Message Builder.

Parameters:

jsonObject - the json object to return.

messageDescriptor - the descriptor of the message to convert.

Returns:

a new Message Builder of the descriptor type.

Throws:

javax.json.JsonException - if internal problems occurred converting the json data to message.

jsonToMessage

public static com.google.protobuf.Message.Builder jsonToMessage(javax.json.JsonObject jsonObject,
                                                                com.google.protobuf.Message.Builder builder,
                                                                com.google.protobuf.Descriptors.Descriptor messageDescriptor)
                                                         throws javax.json.JsonException

Method to convert a jsonObject to a Message Builder.

Parameters:

jsonObject - the json object to return.

messageDescriptor - the descriptor of the message to convert.

Returns:

a new Message Builder of the descriptor type.

Throws:

javax.json.JsonException - if internal problems occurred converting the json data to message.

setRepeatedValue

public static void setRepeatedValue(javax.json.JsonObjectBuilder jsonObjectBuilder,
                                    com.google.protobuf.Message.Builder apiObjectBuilder,
                                    com.google.protobuf.Descriptors.FieldDescriptor fieldDescriptor)

Method to create json array of a repeated field.

Parameters:

jsonObjectBuilder - the json object to add json array to.

apiObjectBuilder - the proto message builder to convert.

fieldDescriptor - the descriptor of the field.

readRepeatedValue

public static void readRepeatedValue(javax.json.JsonArray jsonArray,
                                     com.google.protobuf.Message.Builder apiObjectBuilder,
                                     com.google.protobuf.Descriptors.FieldDescriptor fieldDescriptor)
                              throws javax.json.JsonException

Method to read a json array into a repeated value in related message.

Parameters:

jsonArray - the json array to read values from.

apiObjectBuilder - the api object builder to set value into.

fieldDescriptor - the field descriptor

Throws:

javax.json.JsonException - if internal problems occurred converting the json data to message.