Package org.apache.cassandra.utils

Class JsonUtils

java.lang.Object

org.apache.cassandra.utils.JsonUtils

public final class JsonUtils
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final com.fasterxml.jackson.databind.ObjectMapper	JSON_OBJECT_MAPPER
static final com.fasterxml.jackson.databind.ObjectWriter	JSON_OBJECT_PRETTY_WRITER

Method Summary

Modifier and Type	Method	Description
static Object	decodeJson(byte[] json)
static Object	decodeJson(String json)
static <T> T	deserializeFromJsonBytes(Class<T> tClass, byte[] bytes)
static <T> T	deserializeFromJsonFile(Class<T> tClass, File file)
static List<String>	fromJsonList(byte[] bytes)
static List<String>	fromJsonList(String json)
static <T> Map<String,T>	fromJsonMap(byte[] bytes)
static <T> Map<String,T>	fromJsonMap(String json)
static void	handleCaseSensitivity(Map<String,Object> valueMap)	Handles unquoting and case-insensitivity in map keys.
static String	quoteAsJsonString(String s)	Quotes string contents using standard JSON quoting.
static void	serializeToJsonFile(Object object, File outputFile)
static void	serializeToJsonFileAtomic(Object object, File outputFile)
static byte[]	writeAsJsonBytes(Object value)
static String	writeAsJsonString(Object value)
static String	writeAsPrettyJsonString(Object value)

Methods inherited from class java.lang.Object

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

Field Details

JSON_OBJECT_MAPPER

public static final com.fasterxml.jackson.databind.ObjectMapper JSON_OBJECT_MAPPER

JSON_OBJECT_PRETTY_WRITER

public static final com.fasterxml.jackson.databind.ObjectWriter JSON_OBJECT_PRETTY_WRITER

Method Details

quoteAsJsonString

public static String quoteAsJsonString(String s)

Quotes string contents using standard JSON quoting.

decodeJson

public static Object decodeJson(byte[] json)

decodeJson

public static Object decodeJson(String json)

writeAsJsonBytes

public static byte[] writeAsJsonBytes(Object value)

writeAsJsonString

public static String writeAsJsonString(Object value)

writeAsPrettyJsonString

public static String writeAsPrettyJsonString(Object value)
                                      throws MarshalException

Throws:

MarshalException

fromJsonMap

public static <T> Map<String,T> fromJsonMap(String json)

fromJsonMap

public static <T> Map<String,T> fromJsonMap(byte[] bytes)

fromJsonList

public static List<String> fromJsonList(byte[] bytes)

fromJsonList

public static List<String> fromJsonList(String json)

serializeToJsonFile

public static void serializeToJsonFile(Object object,
 File outputFile)
                                throws IOException

Throws:

IOException

serializeToJsonFileAtomic

public static void serializeToJsonFileAtomic(Object object,
 File outputFile)
                                      throws IOException

Throws:

IOException

deserializeFromJsonFile

public static <T> T deserializeFromJsonFile(Class<T> tClass,
 File file)
                                     throws IOException

Throws:

IOException

deserializeFromJsonBytes

public static <T> T deserializeFromJsonBytes(Class<T> tClass,
 byte[] bytes)
                                      throws IOException

Throws:

IOException

handleCaseSensitivity

public static void handleCaseSensitivity(Map<String,Object> valueMap)

Handles unquoting and case-insensitivity in map keys.