package com.fasterxml.jackson.databind.deser.impl;

import java.io.IOException;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;

import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonToken;
import com.fasterxml.jackson.databind.*;
import com.fasterxml.jackson.databind.deser.NullValueProvider;
import com.fasterxml.jackson.databind.deser.SettableBeanProperty;
import com.fasterxml.jackson.databind.introspect.*;
import com.fasterxml.jackson.databind.jsontype.TypeDeserializer;
import com.fasterxml.jackson.databind.util.Annotations;

This concrete sub-class implements property that is set using regular "setter" method.
/** * This concrete sub-class implements property that is set * using regular "setter" method. */
public final class MethodProperty extends SettableBeanProperty { private static final long serialVersionUID = 1; protected final AnnotatedMethod _annotated;
Setter method for modifying property value; used for "regular" method-accessible properties.
/** * Setter method for modifying property value; used for * "regular" method-accessible properties. */
protected final transient Method _setter;
Since:2.9
/** * @since 2.9 */
final protected boolean _skipNulls; public MethodProperty(BeanPropertyDefinition propDef, JavaType type, TypeDeserializer typeDeser, Annotations contextAnnotations, AnnotatedMethod method) { super(propDef, type, typeDeser, contextAnnotations); _annotated = method; _setter = method.getAnnotated(); _skipNulls = NullsConstantProvider.isSkipper(_nullProvider); } protected MethodProperty(MethodProperty src, JsonDeserializer<?> deser, NullValueProvider nva) { super(src, deser, nva); _annotated = src._annotated; _setter = src._setter; _skipNulls = NullsConstantProvider.isSkipper(nva); } protected MethodProperty(MethodProperty src, PropertyName newName) { super(src, newName); _annotated = src._annotated; _setter = src._setter; _skipNulls = src._skipNulls; }
Constructor used for JDK Serialization when reading persisted object
/** * Constructor used for JDK Serialization when reading persisted object */
protected MethodProperty(MethodProperty src, Method m) { super(src); _annotated = src._annotated; _setter = m; _skipNulls = src._skipNulls; } @Override public SettableBeanProperty withName(PropertyName newName) { return new MethodProperty(this, newName); } @Override public SettableBeanProperty withValueDeserializer(JsonDeserializer<?> deser) { if (_valueDeserializer == deser) { return this; } // 07-May-2019, tatu: As per [databind#2303], must keep VD/NVP in-sync if they were NullValueProvider nvp = (_valueDeserializer == _nullProvider) ? deser : _nullProvider; return new MethodProperty(this, deser, nvp); } @Override public SettableBeanProperty withNullProvider(NullValueProvider nva) { return new MethodProperty(this, _valueDeserializer, nva); } @Override public void fixAccess(DeserializationConfig config) { _annotated.fixAccess( config.isEnabled(MapperFeature.OVERRIDE_PUBLIC_ACCESS_MODIFIERS)); } /* /********************************************************** /* BeanProperty impl /********************************************************** */ @Override public <A extends Annotation> A getAnnotation(Class<A> acls) { return (_annotated == null) ? null : _annotated.getAnnotation(acls); } @Override public AnnotatedMember getMember() { return _annotated; } /* /********************************************************** /* Overridden methods /********************************************************** */ @Override public void deserializeAndSet(JsonParser p, DeserializationContext ctxt, Object instance) throws IOException { Object value; if (p.hasToken(JsonToken.VALUE_NULL)) { if (_skipNulls) { return; } value = _nullProvider.getNullValue(ctxt); } else if (_valueTypeDeserializer == null) { value = _valueDeserializer.deserialize(p, ctxt); // 04-May-2018, tatu: [databind#2023] Coercion from String (mostly) can give null if (value == null) { if (_skipNulls) { return; } value = _nullProvider.getNullValue(ctxt); } } else { value = _valueDeserializer.deserializeWithType(p, ctxt, _valueTypeDeserializer); } try { _setter.invoke(instance, value); } catch (Exception e) { _throwAsIOE(p, e, value); } } @Override public Object deserializeSetAndReturn(JsonParser p, DeserializationContext ctxt, Object instance) throws IOException { Object value; if (p.hasToken(JsonToken.VALUE_NULL)) { if (_skipNulls) { return instance; } value = _nullProvider.getNullValue(ctxt); } else if (_valueTypeDeserializer == null) { value = _valueDeserializer.deserialize(p, ctxt); // 04-May-2018, tatu: [databind#2023] Coercion from String (mostly) can give null if (value == null) { if (_skipNulls) { return instance; } value = _nullProvider.getNullValue(ctxt); } } else { value = _valueDeserializer.deserializeWithType(p, ctxt, _valueTypeDeserializer); } try { Object result = _setter.invoke(instance, value); return (result == null) ? instance : result; } catch (Exception e) { _throwAsIOE(p, e, value); return null; } } @Override public final void set(Object instance, Object value) throws IOException { try { _setter.invoke(instance, value); } catch (Exception e) { // 15-Sep-2015, tatu: How could we get a ref to JsonParser? _throwAsIOE(e, value); } } @Override public Object setAndReturn(Object instance, Object value) throws IOException { try { Object result = _setter.invoke(instance, value); return (result == null) ? instance : result; } catch (Exception e) { // 15-Sep-2015, tatu: How could we get a ref to JsonParser? _throwAsIOE(e, value); return null; } } /* /********************************************************** /* JDK serialization handling /********************************************************** */ Object readResolve() { return new MethodProperty(this, _annotated.getAnnotated()); } }