package com.facebook.presto.jdbc.internal.jackson.databind.deser.impl;
import java.io.IOException;
import com.facebook.presto.jdbc.internal.jackson.databind.BeanProperty;
import com.facebook.presto.jdbc.internal.jackson.databind.DeserializationContext;
import com.facebook.presto.jdbc.internal.jackson.databind.JavaType;
import com.facebook.presto.jdbc.internal.jackson.databind.PropertyMetadata;
import com.facebook.presto.jdbc.internal.jackson.databind.PropertyName;
import com.facebook.presto.jdbc.internal.jackson.databind.introspect.AnnotatedMember;
import com.facebook.presto.jdbc.internal.jackson.databind.util.Annotations;
/**
* Class that encapsulates details of value injection that occurs before
* deserialization of a POJO. Details include information needed to find
* injectable value (logical id) as well as method used for assigning
* value (setter or field)
*/
public class ValueInjector
extends BeanProperty.Std
{
/**
* Identifier used for looking up value to inject
*/
protected final Object _valueId;
public ValueInjector(PropertyName propName, JavaType type,
Annotations contextAnnotations, AnnotatedMember mutator,
Object valueId)
{
super(propName, type, null, contextAnnotations, mutator,
PropertyMetadata.STD_OPTIONAL);
_valueId = valueId;
}
@Deprecated // since 2.3
public ValueInjector(String propName, JavaType type,
Annotations contextAnnotations, AnnotatedMember mutator,
Object valueId)
{
this(new PropertyName(propName), type, contextAnnotations, mutator, valueId);
}
public Object findValue(DeserializationContext context, Object beanInstance)
{
return context.findInjectableValue(_valueId, this, beanInstance);
}
public void inject(DeserializationContext context, Object beanInstance)
throws IOException
{
_member.setValue(beanInstance, findValue(context, beanInstance));
}
}