| // Copyright 2016-2019 aliiohs |
| // |
| // Licensed 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 ( |
| big "github.com/dubbogo/gost/math/big" |
| ) |
| |
| func init() { |
| RegisterPOJO(&big.Decimal{}) |
| SetSerializer("java.math.BigDecimal", DecimalSerializer{}) |
| } |
| |
| type Serializer interface { |
| EncObject(*Encoder, POJO) error |
| DecObject(*Decoder) (interface{}, error) |
| } |
| |
| var serializerMap = make(map[string]Serializer, 16) |
| |
| func SetSerializer(key string, codec Serializer) { |
| serializerMap[key] = codec |
| } |
| |
| func GetSerializer(key string) (Serializer, bool) { |
| codec, ok := serializerMap[key] |
| return codec, ok |
| } |
| |
| 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) (interface{}, error) { |
| dec, err := d.DecodeValue() |
| 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 |
| } |