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  • Android Jackson解析json

    最近在一个开源项目中发现使用Jackson解析json,后来百度发现对jackson的好评是一面倒,决定在自己的项目中尝试下,为了减少网络的影响,所以使用应用内部数据,下面是Json的数据

    {"status": {"respCode": "0000","respMsg": "获取信息成功"},"paging": {"pagecount": 10,"rowcount": 305,"totalpages": 31},"info": [{"uuid": "4028804d3e8beffc013e8c086aef000c","name": "卡梅伦","mobile": "13111122211","isdefault": "false","province": "北京","city": "北京市","zone": "朝阳区","address": "阳朝"},{"uuid": "5028804d3e8beffc013e8c086aef001c","name": "李昌钰","mobile": "15111122233","isdefault": "false","province": "北京","city": "北京市","zone": "石景山区","address": "首钢家属院"},{"uuid": "8028804d3e8beffc013e8c086aef021c","name": "考克斯","mobile": "18111122233","isdefault": "true","province": "天津","city": "天津","zone": "塘沽","address": "塘沽经济技术开发区"}]}

    Status.java

    public class Status {
        private String respCode, respMsg;
    
        public String getRespCode() {
            return respCode;
        }
    
        public void setRespCode(String s) {
            this.respCode = s;
        }
    
        public String getRespMsg() {
            return respMsg;
        }
    
        public void setRespMsg(String s) {
            this.respMsg = s;
        }
    
        @Override
        public String toString() {
            return "Status [_respCode=" + respCode + ", _respMsg=" + respMsg
                    + "]";
        }
        
      }

    Paging.java

    public class Paging {
        private String pagecount;
        private String rowcount;
        private String totalpages;
        public String getPagecount() {
            return pagecount;
        }
        public void setPagecount(String s) {
            this.pagecount = s;
        }
        public String getRowcount() {
            return rowcount;
        }
        public void setRowcount(String s) {
            this.rowcount = s;
        }
        public String getTotalpages() {
            return totalpages;
        }
        public void setTotalpages(String s) {
            this.totalpages = s;
        }
        @Override
        public String toString() {
            return "Paging [_pagecount=" + pagecount + ", _rowcount=" + rowcount
                    + ", _totalpages=" + totalpages + "]";
        }
        
    }

    DeliveryInfo.java

    public class DeliveryInfo implements Parcelable{
        
        private String uuid;
        private String name;
        private String mobile;
        private String isdefault;
        private String province;
        private String city;
        private String zone;
        private String address;
        
        public String getUuid() {
            return uuid;
        }
        public void setUuid(String uuid) {
            this.uuid = uuid;
        }
        public String getName() {
            return name;
        }
        public void setName(String name) {
            this.name = name;
        }
        public String getMobile() {
            return mobile;
        }
        public void setMobile(String mobile) {
            this.mobile = mobile;
        }
        public String getIsdefault() {
            return isdefault;
        }
        public void setIsdefault(String isdefault) {
            this.isdefault = isdefault;
        }
        public String getProvince() {
            return province;
        }
        public void setProvince(String province) {
            this.province = province;
        }
        public String getCity() {
            return city;
        }
        public void setCity(String city) {
            this.city = city;
        }
        public String getZone() {
            return zone;
        }
        public void setZone(String zone) {
            this.zone = zone;
        }
        public String getAddress() {
            return address;
        }
        public void setAddress(String address) {
            this.address = address;
        }
        @Override
        public String toString() {
            return "DeliveryInfo [uuid=" + uuid + ", name=" + name + ", mobile="
                    + mobile + ", isdefault=" + isdefault + ", province="
                    + province + ", city=" + city + ", zone=" + zone + ", address="
                    + address + "]";
        }
        @Override
        public int describeContents() {
            // TODO Auto-generated method stub
            return 0;
        }
        @Override
        public void writeToParcel(Parcel arg0, int arg1) {
            arg0.writeString(uuid);
            arg0.writeString(name);
            arg0.writeString(mobile);
            arg0.writeString(isdefault);
            arg0.writeString(province);
            arg0.writeString(city);
            arg0.writeString(zone);
            arg0.writeString(address);
            
        }
        
        public static final Parcelable.Creator<DeliveryInfo> CREATOR = new Creator<DeliveryInfo>() {  
            public DeliveryInfo createFromParcel(Parcel source) {  
                
                DeliveryInfo mDeliveryInfo = new DeliveryInfo(); 
                mDeliveryInfo.uuid = source.readString();
                mDeliveryInfo.name = source.readString();
                mDeliveryInfo.mobile = source.readString();
                mDeliveryInfo.isdefault = source.readString();
                mDeliveryInfo.province = source.readString();
                mDeliveryInfo.city = source.readString();
                mDeliveryInfo.zone = source.readString();
                mDeliveryInfo.address = source.readString();
                return mDeliveryInfo;  
            }  
            public DeliveryInfo[] newArray(int size) {  
                return new DeliveryInfo[size];  
            }  
        };
    }

    DeliveryAddInfo.java

    public class DeliveryAddInfo {
        
        private Paging paging;
        public Paging getPaging() {return paging;}
        public void setPaging(Paging p) {this.paging = p;}
        
        private Status status;
        public Status getStatus() { return status; }
        public void setStatus(Status n) { status = n; }
    
        private List<DeliveryInfo> info;
        public List<DeliveryInfo> getInfo() {return info;}
        public void setInfo(List<DeliveryInfo> info) {this.info = info;}
        @Override
        public String toString() {
            return "DeliveryAddInfo [paging=" + paging.toString() + ", status=" + status.toString()
                    + ", info=" + info.size() + "]";
        }
    }

    DeliveryAddJson_1.java

    public class DeliveryAddJson_1 extends DeJson{
        private static final String TAG = "DeliveryActivity";
        private String description;
        private List<DeliveryInfo> deliveryList = new ArrayList<DeliveryInfo>();
        
        private JsonGenerator jsonGenerator = null;
        private ObjectMapper objectMapper = null;
        
        @Override
        public boolean decoderJson(String s) {
            deliveryList.clear();
            
            //判断返回值是否为空
            if("".equals(s)){
                description = Err.formatError(Err.HTTP_ERROR_DATA_ERROR);
                return false;
            }
            objectMapper = new ObjectMapper();
            try {
                jsonGenerator = objectMapper.getJsonFactory().createJsonGenerator(System.out, JsonEncoding.UTF8);
            } catch (IOException e) {
                e.printStackTrace();
            }
            System.out.println(s);
            LogUtil.d(TAG, "-------start----------");
            try {
                DeliveryAddInfo info = objectMapper.readValue(s,new TypeReference<DeliveryAddInfo>() {});
                System.out.println(info.getInfo().size());
                deliveryList = info.getInfo();
                for(DeliveryInfo item : deliveryList){
                    System.out.println(item.getName());
                }
                System.out.println(info.toString());
            } catch (JsonParseException e) {
                e.printStackTrace();
            } catch (JsonMappingException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            }
            LogUtil.d(TAG, "-------end----------");
            return true;
        }
        @Override
        public String getDescription() {
            // TODO Auto-generated method stub
            return description;
        }
        public List<DeliveryInfo> getInfo(){
            return deliveryList;
        }
    
    }

    解析耗时如图所示:

    调用系统自身的json解析 耗时如下:

    目前来说,感觉jackson解析不如系统自身json解析,但是网上的评论是jackson解析是最快的,暂时费解,等以后想明白了再补充了......

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  • 原文地址:https://www.cnblogs.com/sishuiliuyun/p/3101732.html
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