Package org.actioncontroller.optional.json

Class PojoMapper

java.lang.Object

org.actioncontroller.optional.json.PojoMapper

public class PojoMapper
extends Object

Convert from JSON structures to regular Java objects. Supports primitive numbers (byte, short, int, long, float, double, BigDecimal, BigInteger), simple values (for String, character, Instant, LocalDate, ZonedDateTime, OffsetDateTime, UUID, URL, URI and InetAddress), Enums, Collections, Maps, Streams and Java beans. You can even add your own converters.

Usage:

 PojoMapper pojoMapper = new PojoMapper();
 pojoMapper.addObjectMapper(MyClass.class, (json, mapper) -> new MyClass());
 MyClass o = pojoMapper.map(json, MyClass.class);
 

Constructor Summary

Constructors

Constructor	Description
PojoMapper()

Method Summary

Modifier and Type	Method	Description
PojoMapper	addMapper(Type type, ObjectFromJsonMapper<?> mapper)
<T> PojoMapper	addObjectFactoryMapper(Class<T> type, String discriminatorProperty, Function<String,? extends T> factory)
protected String	fromUnderscoreToCamelCase(String key)
protected Class<?>	getClassType(Type type)
protected String	getterName(String fieldName)
<T> T	map(javax.json.JsonValue json, Class<T> targetType)	Map from json to a object of the specified target class
<T> T	map(javax.json.JsonValue json, Type targetType)	Map from json to a object of the specified target type
protected Object	newInstance(Type targetType)
Object	read(Reader reader, Type returnType)	Read from json string to a object of the specified target type
PojoMapper	rejectUnknownFields()
protected String	setterName(String fieldName)
protected String	setterNameCamelCase(String fieldName)
<T> T	writeFields(javax.json.JsonObject json, T o)

Methods inherited from class java.lang.Object

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

Constructor Detail

PojoMapper

public PojoMapper()

Method Detail

map

public <T> T map(javax.json.JsonValue json,
                 Class<T> targetType)

Map from json to a object of the specified target class

read

public Object read(Reader reader,
                   Type returnType)

Read from json string to a object of the specified target type

map

public <T> T map(javax.json.JsonValue json,
                 Type targetType)

Map from json to a object of the specified target type

newInstance

protected Object newInstance(Type targetType)

writeFields

public <T> T writeFields(javax.json.JsonObject json,
                         T o)

getterName

protected String getterName(String fieldName)

setterName

protected String setterName(String fieldName)

setterNameCamelCase

protected String setterNameCamelCase(String fieldName)

fromUnderscoreToCamelCase

protected String fromUnderscoreToCamelCase(String key)

addMapper

public PojoMapper addMapper(Type type,
                            ObjectFromJsonMapper<?> mapper)

addObjectFactoryMapper

public <T> PojoMapper addObjectFactoryMapper(Class<T> type,
                                             String discriminatorProperty,
                                             Function<String,? extends T> factory)

rejectUnknownFields

public PojoMapper rejectUnknownFields()

getClassType

protected Class<?> getClassType(Type type)