1 // Copyright 2013 The Gorilla WebSocket Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package websocket 6 7 import ( 8 "encoding/json" 9 "io" 10 ) 11 12 // WriteJSON writes the JSON encoding of v as a message. 13 // 14 // Deprecated: Use c.WriteJSON instead. 15 func WriteJSON(c *Conn, v interface{}) error { 16 return c.WriteJSON(v) 17 } 18 19 // WriteJSON writes the JSON encoding of v as a message. 20 // 21 // See the documentation for encoding/json Marshal for details about the 22 // conversion of Go values to JSON. 23 func (c *Conn) WriteJSON(v interface{}) error { 24 w, err := c.NextWriter(TextMessage) 25 if err != nil { 26 return err 27 } 28 err1 := json.NewEncoder(w).Encode(v) 29 err2 := w.Close() 30 if err1 != nil { 31 return err1 32 } 33 return err2 34 } 35 36 // ReadJSON reads the next JSON-encoded message from the connection and stores 37 // it in the value pointed to by v. 38 // 39 // Deprecated: Use c.ReadJSON instead. 40 func ReadJSON(c *Conn, v interface{}) error { 41 return c.ReadJSON(v) 42 } 43 44 // ReadJSON reads the next JSON-encoded message from the connection and stores 45 // it in the value pointed to by v. 46 // 47 // See the documentation for the encoding/json Unmarshal function for details 48 // about the conversion of JSON to a Go value. 49 func (c *Conn) ReadJSON(v interface{}) error { 50 _, r, err := c.NextReader() 51 if err != nil { 52 return err 53 } 54 err = json.NewDecoder(r).Decode(v) 55 if err == io.EOF { 56 // One value is expected in the message. 57 err = io.ErrUnexpectedEOF 58 } 59 return err 60 } 61