Parsing JSON received from an http request in go.

refine.go

package main

import (
	"log"
	"fmt"
	"http"
	"json"
	"strings"
)

const (
	MaxCon = 4
	Query = `{
	"SubCategoryId": 65, 
	"NValue": "", 
	"StoreDepaId": 1, 
	"NodeId": 8652, 
	"BrandId": -1, 
	"PageNumber": %d, 
	"CategoryId": 234
}`
	SearchURL = "http://www.ows.newegg.com/Search.egg/Advanced"
)

type JSONResponse struct {
	SubCategoryId int 
	HasHasSimilarItems bool 
	NavigationContentList []interface{}
	CanBeCompare bool 
	CoremetricsInfo interface{}
	PaginationInfo PaginationInfo
	MasterComboStoreId int
	SearchProvider int
	IsAllComboBundle bool 
	RelatedLinkList interface{} 
	ProductListItems []interface{}
	SearchResultType int 
	HasDeactivatedItems bool
}

type PaginationInfo struct {
	PageCount int
	TotalCount int
	PageNumber int
	Pagesize int
}

func init() {
	log.SetFlags(log.Lshortfile | log.Ltime)
}

func main() {
	
	r, err := http.Post(SearchURL, "application/x-www-form-urlencoded", strings.NewReader(fmt.Sprintf(Query, 1)))
	if err != nil {
		log.Println(err)
		return
	}
	
	decoder := json.NewDecoder(r.Body)
	var data JSONResponse
	
	defer r.Body.Close()
	err = decoder.Decode(&data)
	if err != nil {
		log.Println(err)
		return
	}
	
	log.Println(data.PaginationInfo)
}

SearchResult.json

{
    "SubCategoryId": 65, 
    "HasHasSimilarItems": false, 
    "NavigationContentList": [
        {
            "NavigationItemList": [
                {
                    "SubCategoryId": -1, 
                    "Description": "Discount Item", 
                    "StoreDepaId": -1, 
                    "NValue": "100008652 4803", 
                    "BrandId": -1, 
                    "StoreType": -1, 
                    "ItemCount": 232, 
                    "CategoryId": -1, 
                    "ElementValue": "4803"
                },
    ...
    "PaginationInfo": {
        "TotalCount": 650, 
        "PageNumber": 1, 
        "PageSize": 20, 
        "PageCount": 0
    },
    ...
}