Package io.prestosql.util

Class JsonUtil

java.lang.Object

io.prestosql.util.JsonUtil

public final class JsonUtil
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	JsonUtil.BlockBuilderAppender
static interface	JsonUtil.JsonGeneratorWriter
static interface	JsonUtil.ObjectKeyProvider

Field Summary

Fields

Modifier and Type	Field	Description
static com.fasterxml.jackson.core.JsonFactory	JSON_FACTORY

Method Summary

Modifier and Type	Method	Description
static boolean	canCastFromJson(Type type)
static boolean	canCastToJson(Type type)
static com.fasterxml.jackson.core.JsonGenerator	createJsonGenerator(com.fasterxml.jackson.core.JsonFactory factory, io.airlift.slice.SliceOutput output)
static com.fasterxml.jackson.core.JsonParser	createJsonParser(com.fasterxml.jackson.core.JsonFactory factory, io.airlift.slice.Slice json)
static Long	currentTokenAsBigint(com.fasterxml.jackson.core.JsonParser parser)
static Boolean	currentTokenAsBoolean(com.fasterxml.jackson.core.JsonParser parser)
static Double	currentTokenAsDouble(com.fasterxml.jackson.core.JsonParser parser)
static Long	currentTokenAsInteger(com.fasterxml.jackson.core.JsonParser parser)
static io.airlift.slice.Slice	currentTokenAsLongDecimal(com.fasterxml.jackson.core.JsonParser parser, int precision, int scale)
static Long	currentTokenAsReal(com.fasterxml.jackson.core.JsonParser parser)
static Long	currentTokenAsShortDecimal(com.fasterxml.jackson.core.JsonParser parser, int precision, int scale)
static Long	currentTokenAsSmallint(com.fasterxml.jackson.core.JsonParser parser)
static Long	currentTokenAsTinyint(com.fasterxml.jackson.core.JsonParser parser)
static io.airlift.slice.Slice	currentTokenAsVarchar(com.fasterxml.jackson.core.JsonParser parser)
static Optional<Map<String,Integer>>	getFieldNameToIndex(List<RowType.Field> rowFields)
static void	parseJsonToSingleRowBlock(com.fasterxml.jackson.core.JsonParser parser, SingleRowBlockWriter singleRowBlockWriter, JsonUtil.BlockBuilderAppender[] fieldAppenders, Optional<Map<String,Integer>> fieldNameToIndex)
static String	truncateIfNecessaryForErrorMessage(io.airlift.slice.Slice json)

Methods inherited from class java.lang.Object

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

Field Detail

JSON_FACTORY

public static final com.fasterxml.jackson.core.JsonFactory JSON_FACTORY

Method Detail

createJsonParser

public static com.fasterxml.jackson.core.JsonParser createJsonParser(com.fasterxml.jackson.core.JsonFactory factory,
                                                                     io.airlift.slice.Slice json)
                                                              throws IOException

Throws:

IOException

createJsonGenerator

public static com.fasterxml.jackson.core.JsonGenerator createJsonGenerator(com.fasterxml.jackson.core.JsonFactory factory,
                                                                           io.airlift.slice.SliceOutput output)
                                                                    throws IOException

Throws:

IOException

truncateIfNecessaryForErrorMessage

public static String truncateIfNecessaryForErrorMessage(io.airlift.slice.Slice json)

canCastToJson

public static boolean canCastToJson(Type type)

canCastFromJson

public static boolean canCastFromJson(Type type)

currentTokenAsVarchar

public static io.airlift.slice.Slice currentTokenAsVarchar(com.fasterxml.jackson.core.JsonParser parser)
                                                    throws IOException

Throws:

IOException

currentTokenAsBigint

public static Long currentTokenAsBigint(com.fasterxml.jackson.core.JsonParser parser)
                                 throws IOException

Throws:

IOException

currentTokenAsInteger

public static Long currentTokenAsInteger(com.fasterxml.jackson.core.JsonParser parser)
                                  throws IOException

Throws:

IOException

currentTokenAsSmallint

public static Long currentTokenAsSmallint(com.fasterxml.jackson.core.JsonParser parser)
                                   throws IOException

Throws:

IOException

currentTokenAsTinyint

public static Long currentTokenAsTinyint(com.fasterxml.jackson.core.JsonParser parser)
                                  throws IOException

Throws:

IOException

currentTokenAsDouble

public static Double currentTokenAsDouble(com.fasterxml.jackson.core.JsonParser parser)
                                   throws IOException

Throws:

IOException

currentTokenAsReal

public static Long currentTokenAsReal(com.fasterxml.jackson.core.JsonParser parser)
                               throws IOException

Throws:

IOException

currentTokenAsBoolean

public static Boolean currentTokenAsBoolean(com.fasterxml.jackson.core.JsonParser parser)
                                     throws IOException

Throws:

IOException

currentTokenAsShortDecimal

public static Long currentTokenAsShortDecimal(com.fasterxml.jackson.core.JsonParser parser,
                                              int precision,
                                              int scale)
                                       throws IOException

Throws:

IOException

currentTokenAsLongDecimal

public static io.airlift.slice.Slice currentTokenAsLongDecimal(com.fasterxml.jackson.core.JsonParser parser,
                                                               int precision,
                                                               int scale)
                                                        throws IOException

Throws:

IOException

getFieldNameToIndex

public static Optional<Map<String,Integer>> getFieldNameToIndex(List<RowType.Field> rowFields)

parseJsonToSingleRowBlock

public static void parseJsonToSingleRowBlock(com.fasterxml.jackson.core.JsonParser parser,
                                             SingleRowBlockWriter singleRowBlockWriter,
                                             JsonUtil.BlockBuilderAppender[] fieldAppenders,
                                             Optional<Map<String,Integer>> fieldNameToIndex)
                                      throws IOException

Throws:

IOException