com.algolia.search.com.fasterxml.jackson.databind.jsontype.impl.TypeSerializerBase Maven / Gradle / Ivy
package com.fasterxml.jackson.databind.jsontype.impl;
import java.io.IOException;
import com.fasterxml.jackson.annotation.JsonTypeInfo;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.type.WritableTypeId;
import com.fasterxml.jackson.databind.BeanProperty;
import com.fasterxml.jackson.databind.jsontype.TypeIdResolver;
import com.fasterxml.jackson.databind.jsontype.TypeSerializer;
public abstract class TypeSerializerBase extends TypeSerializer
{
protected final TypeIdResolver _idResolver;
protected final BeanProperty _property;
protected TypeSerializerBase(TypeIdResolver idRes, BeanProperty property)
{
_idResolver = idRes;
_property = property;
}
/*
/**********************************************************
/* Base implementations, simple accessors
/**********************************************************
*/
@Override
public abstract JsonTypeInfo.As getTypeInclusion();
@Override
public String getPropertyName() { return null; }
@Override
public TypeIdResolver getTypeIdResolver() { return _idResolver; }
@Override
public WritableTypeId writeTypePrefix(JsonGenerator g,
WritableTypeId idMetadata) throws IOException
{
_generateTypeId(idMetadata);
return g.writeTypePrefix(idMetadata);
}
@Override
public WritableTypeId writeTypeSuffix(JsonGenerator g,
WritableTypeId idMetadata) throws IOException
{
return g.writeTypeSuffix(idMetadata);
}
/**
* Helper method that will generate type id to use, if not already passed.
*
* @since 2.9
*/
protected void _generateTypeId(WritableTypeId idMetadata) {
Object id = idMetadata.id;
if (id == null) {
final Object value = idMetadata.forValue;
Class typeForId = idMetadata.forValueType;
if (typeForId == null) {
id = idFromValue(value);
} else {
id = idFromValueAndType(value, typeForId);
}
idMetadata.id = id;
}
}
/*
/**********************************************************
/* Helper methods for subclasses
/**********************************************************
*/
protected String idFromValue(Object value) {
String id = _idResolver.idFromValue(value);
if (id == null) {
handleMissingId(value);
}
return id;
}
protected String idFromValueAndType(Object value, Class type) {
String id = _idResolver.idFromValueAndType(value, type);
if (id == null) {
handleMissingId(value);
}
return id;
}
// As per [databind#633], maybe better just not do anything...
protected void handleMissingId(Object value) {
/*
String typeDesc = ClassUtil.classNameOf(value, "NULL");
throw new IllegalArgumentException("Cannot resolve type id for "
+typeDesc+" (using "+_idResolver.getClass().getName()+")");
*/
}
}