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com.fasterxml.jackson.databind.type.MapType Maven / Gradle / Ivy
package com.fasterxml.jackson.databind.type;
import com.fasterxml.jackson.databind.JavaType;
/**
* Type that represents "true" Java Map types.
*/
public final class MapType extends MapLikeType
{
private static final long serialVersionUID = 1L;
/*
/**********************************************************
/* Life-cycle
/**********************************************************
*/
private MapType(Class mapType, JavaType keyT, JavaType valueT,
Object valueHandler, Object typeHandler, boolean asStatic) {
super(mapType, keyT, valueT, valueHandler, typeHandler, asStatic);
}
public static MapType construct(Class rawType, JavaType keyT, JavaType valueT) {
// nominally component types will be just Object.class
return new MapType(rawType, keyT, valueT, null, null, false);
}
@Override
protected JavaType _narrow(Class subclass) {
return new MapType(subclass, _keyType, _valueType,
_valueHandler, _typeHandler, _asStatic);
}
@Override
public JavaType narrowContentsBy(Class contentClass)
{
// Can do a quick check first:
if (contentClass == _valueType.getRawClass()) {
return this;
}
return new MapType(_class, _keyType, _valueType.narrowBy(contentClass),
_valueHandler, _typeHandler, _asStatic);
}
@Override
public JavaType widenContentsBy(Class contentClass)
{
if (contentClass == _valueType.getRawClass()) {
return this;
}
return new MapType(_class, _keyType, _valueType.widenBy(contentClass),
_valueHandler, _typeHandler, _asStatic);
}
@Override
public JavaType narrowKey(Class keySubclass)
{
// Can do a quick check first:
if (keySubclass == _keyType.getRawClass()) {
return this;
}
return new MapType(_class, _keyType.narrowBy(keySubclass), _valueType,
_valueHandler, _typeHandler, _asStatic);
}
@Override
public JavaType widenKey(Class keySubclass)
{
// Can do a quick check first:
if (keySubclass == _keyType.getRawClass()) {
return this;
}
return new MapType(_class, _keyType.widenBy(keySubclass), _valueType,
_valueHandler, _typeHandler, _asStatic);
}
@Override
public MapType withTypeHandler(Object h) {
return new MapType(_class, _keyType, _valueType, _valueHandler, h, _asStatic);
}
@Override
public MapType withContentTypeHandler(Object h)
{
return new MapType(_class, _keyType, _valueType.withTypeHandler(h),
_valueHandler, _typeHandler, _asStatic);
}
@Override
public MapType withValueHandler(Object h) {
return new MapType(_class, _keyType, _valueType, h, _typeHandler, _asStatic);
}
@Override
public MapType withContentValueHandler(Object h) {
return new MapType(_class, _keyType, _valueType.withValueHandler(h),
_valueHandler, _typeHandler, _asStatic);
}
@Override
public MapType withStaticTyping() {
if (_asStatic) {
return this;
}
return new MapType(_class, _keyType.withStaticTyping(), _valueType.withStaticTyping(),
_valueHandler, _typeHandler, true);
}
/*
/**********************************************************
/* Overridden accessors
/**********************************************************
*/
@Override
public Class getParameterSource() {
return java.util.Map.class;
}
/*
/**********************************************************
/* Extended API
/**********************************************************
*/
@Override
public MapType withKeyTypeHandler(Object h)
{
return new MapType(_class, _keyType.withTypeHandler(h), _valueType,
_valueHandler, _typeHandler, _asStatic);
}
@Override
public MapType withKeyValueHandler(Object h) {
return new MapType(_class, _keyType.withValueHandler(h), _valueType,
_valueHandler, _typeHandler, _asStatic);
}
/*
/**********************************************************
/* Standard methods
/**********************************************************
*/
@Override
public String toString()
{
return "[map type; class "+_class.getName()+", "+_keyType+" -> "+_valueType+"]";
}
}