blob: b57702b18851b035575e6b434303f6186869cd08 [file] [log] [blame]
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package hessian
import (
"reflect"
)
import (
big "github.com/dubbogo/gost/math/big"
)
type bigInteger = big.Integer
func init() {
RegisterPOJO(&bigInteger{})
SetSerializer("java.math.BigInteger", IntegerSerializer{})
RegisterPOJO(&big.Decimal{})
SetSerializer("java.math.BigDecimal", DecimalSerializer{})
}
type Serializer interface {
EncObject(*Encoder, POJO) error
DecObject(*Decoder, reflect.Type, *classInfo) (interface{}, error)
}
var serializerMap = make(map[string]Serializer, 16)
func SetSerializer(javaClassName string, codec Serializer) {
serializerMap[javaClassName] = codec
}
func GetSerializer(javaClassName string) (Serializer, bool) {
codec, ok := serializerMap[javaClassName]
return codec, ok
}
type IntegerSerializer struct{}
func (IntegerSerializer) DecObject(d *Decoder, typ reflect.Type, cls *classInfo) (interface{}, error) {
bigInt, err := d.decInstance(typ, cls)
if err != nil {
return nil, err
}
result, ok := bigInt.(*bigInteger)
if !ok {
panic("result type is not Integer, please check the whether the conversion is ok")
}
result.FromSignAndMag(result.Signum, result.Mag)
return result, nil
}
func (IntegerSerializer) EncObject(e *Encoder, v POJO) error {
bigInt, ok := v.(bigInteger)
if !ok {
return e.encObject(v)
}
bigInt.Signum, bigInt.Mag = bigInt.GetSignAndMag()
return e.encObject(bigInt)
}
type DecimalSerializer struct{}
func (DecimalSerializer) EncObject(e *Encoder, v POJO) error {
decimal, ok := v.(big.Decimal)
if !ok {
return e.encObject(v)
}
decimal.Value = decimal.String()
return e.encObject(decimal)
}
func (DecimalSerializer) DecObject(d *Decoder, typ reflect.Type, cls *classInfo) (interface{}, error) {
dec, err := d.decInstance(typ, cls)
if err != nil {
return nil, err
}
result, ok := dec.(*big.Decimal)
if !ok {
panic("result type is not decimal,please check the whether the conversion is ok")
}
err = result.FromString(result.Value)
if err != nil {
return nil, err
}
return result, nil
}