com.facebook.buck.util.json

Class ObjectMappers

java.lang.Object

com.facebook.buck.util.json.ObjectMappers

public class ObjectMappers
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static com.fasterxml.jackson.databind.ObjectReader	READER
static com.fasterxml.jackson.databind.ObjectReader	READER_INTERNED ObjectReader that interns custom objects on serialization, like UnconfiguredBuildTarget
static com.fasterxml.jackson.databind.ObjectReader	READER_WITH_TYPE ObjectReader that deserializes objects that had type information preserved
static com.fasterxml.jackson.databind.ObjectWriter	WRITER
static com.fasterxml.jackson.databind.ObjectWriter	WRITER_WITH_TYPE ObjectWrite that serializes objects along with their type information

Method Summary

Modifier and Type	Method and Description
static <T> T	convertValue(Map<String,Object> map, Class<T> clazz)
static com.fasterxml.jackson.core.JsonGenerator	createGenerator(OutputStream stream)
static com.fasterxml.jackson.core.JsonParser	createParser(byte[] json)
static com.fasterxml.jackson.core.JsonParser	createParser(InputStream stream)
static com.fasterxml.jackson.core.JsonParser	createParser(Path path)
static com.fasterxml.jackson.core.JsonParser	createParser(Reader reader)
static com.fasterxml.jackson.core.JsonParser	createParser(String json)
static com.fasterxml.jackson.databind.ObjectMapper	createWithEmptyBeansPermitted() Creates an ObjectMapper that allows to use objects without fields.
static <T> java.util.function.Function<String,T>	fromJsonFunction(Class<T> type)
static com.fasterxml.jackson.databind.ObjectMapper	legacyCreate()
static <T> T	readValue(Path file, Class<T> clazz)
static <T> T	readValue(Path file, com.fasterxml.jackson.core.type.TypeReference<T> clazz)
static <T> T	readValue(String json, Class<T> clazz)
static <T> T	readValue(String json, com.fasterxml.jackson.core.type.TypeReference<T> clazz)
static <T> java.util.function.Function<T,String>	toJsonFunction()

Methods inherited from class java.lang.Object

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

Field Detail

READER

public static final com.fasterxml.jackson.databind.ObjectReader READER

WRITER

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

READER_WITH_TYPE

public static final com.fasterxml.jackson.databind.ObjectReader READER_WITH_TYPE

ObjectReader that deserializes objects that had type information preserved

WRITER_WITH_TYPE

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

ObjectWrite that serializes objects along with their type information

READER_INTERNED

public static final com.fasterxml.jackson.databind.ObjectReader READER_INTERNED

ObjectReader that interns custom objects on serialization, like UnconfiguredBuildTarget

Method Detail

readValue

public static <T> T readValue(Path file,
                              Class<T> clazz)
                       throws IOException

Throws:

IOException

readValue

public static <T> T readValue(Path file,
                              com.fasterxml.jackson.core.type.TypeReference<T> clazz)
                       throws IOException

Throws:

IOException

readValue

public static <T> T readValue(String json,
                              Class<T> clazz)
                       throws IOException

Throws:

IOException

readValue

public static <T> T readValue(String json,
                              com.fasterxml.jackson.core.type.TypeReference<T> clazz)
                       throws IOException

Throws:

IOException

createParser

public static com.fasterxml.jackson.core.JsonParser createParser(Path path)
                                                          throws IOException

Throws:

IOException

createParser

public static com.fasterxml.jackson.core.JsonParser createParser(String json)
                                                          throws IOException

Throws:

IOException

createParser

public static com.fasterxml.jackson.core.JsonParser createParser(byte[] json)
                                                          throws IOException

Throws:

IOException

createParser

public static com.fasterxml.jackson.core.JsonParser createParser(InputStream stream)
                                                          throws IOException

Throws:

IOException

createParser

public static com.fasterxml.jackson.core.JsonParser createParser(Reader reader)
                                                          throws IOException

Throws:

IOException

createGenerator

public static com.fasterxml.jackson.core.JsonGenerator createGenerator(OutputStream stream)
                                                                throws IOException

Throws:

IOException

convertValue

public static <T> T convertValue(Map<String,Object> map,
                                 Class<T> clazz)

toJsonFunction

public static <T> java.util.function.Function<T,String> toJsonFunction()

fromJsonFunction

public static <T> java.util.function.Function<String,T> fromJsonFunction(Class<T> type)

legacyCreate

public static com.fasterxml.jackson.databind.ObjectMapper legacyCreate()

createWithEmptyBeansPermitted

public static com.fasterxml.jackson.databind.ObjectMapper createWithEmptyBeansPermitted()

Creates an ObjectMapper that allows to use objects without fields.

See Also:

SerializationFeature.FAIL_ON_EMPTY_BEANS