I am working on facebook application. When i queried for https://graph.facebook.com/me/video.watches?offset=0&limit=1000 I am getting a List of Watched Movies. For eg. I am pasting only one movie out of that list here.
{
"data": [
{
"id": "664878940211923",
"data": {
"tv_show": {
"id": "108611845829948",
"url": "https://www.facebook.com/pages/Popeye-the-Sailor/108611845829948",
"type": "video.tv_show",
"title": "Popeye the Sailor"
}
},
"type": "video.watches",
},
Here is the POJO Class I created to convert this to Java.
import java.util.List;
public class FBUserVideoWatches {
private List<Data> data;
public List<Data> getData() {
return data;
}
public void setData(List<Data> data) {
this.data = data;
}
public class Data{
private long id;
private TVData data;
private String type;
public long getId() {
return id;
}
public void setId(long id) {
this.id = id;
}
public TVData getData() {
return data;
}
public void setData(TVData data) {
this.data = data;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
}
public class TVData{
private TV_Shows tv_shows;
public TV_Shows getTv_shows() {
return tv_shows;
}
public void setTv_shows(TV_Shows tv_shows) {
this.tv_shows = tv_shows;
}
}
public class TV_Shows{
private long id;
private String url;
private String type;
private String title;
public long getId() {
return id;
}
public void setId(long id) {
this.id = id;
}
public String getUrl() {
return url;
}
public void setUrl(String url) {
this.url = url;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
}
}
Here is how i convert the json to java.
FBUserVideoWatches fbUserVideoWatches = gson.fromJson(response.getBody(), FBUserVideoWatches.class);
for (Data data : fbUserVideoWatches.getData()) {
System.out.println(data.getId());//This only works and I am getting values.
if(null != data.getData()){
if(null!=data.getData().getTv_shows()){
System.out.print(data.getData().getTv_shows().getTitle());
}
if(null!=data.getData().getTv_shows()){
System.out.print(data.getData().getTv_shows().getType());
}
}
}
When I use getter methods to get data from java class I am getting ID 664878940211923 & "type": "video.watches" as shown above. The members inside "tv_show" I am unable to access. I think some where I went wrong in creating POJO. I am unable to find that mistake. Please help me what corrections is necessary to make that work. Hope my question is clear. Thanks in Advance.
You were doing mistake in TVData Class your forgot serialized name on instance property coz its in diffferent in json and TV data class
#SerializedName(value="tv_show")
private TV_Shows tv_shows;
Assuming your json is like this
{
"data":[
{
"id":"664878940211923",
"data":{
"tv_show":{
"id":"108611845829948",
"url":"https://www.facebook.com/pages/Popeye-the-Sailor/108611845829948",
"type":"video.tv_show",
"title":"Popeye the Sailor"
}
},
"type":"video.watches"
},
{
"id":"664878940211923",
"data":{
"tv_show":{
"id":"108611845829948",
"url":"https://www.facebook.com/pages/Popeye-the-Sailor/108611845829948",
"type":"video.tv_show",
"title":"Popeye the Sailor"
}
},
"type":"video.watches"
}
]
}
Parsing model will like below according you to your json format
public class FBUserVideoWatches {
private List<Data> data;
public List<Data> getData() { return data; }
public void setData(List<Data> data) { this.data = data;}
}
public class Data {
private TVData data;
private String id;
private String type;
// setter/getter here
}
public class TVData {
#SerializedName(value="tv_show")
private Show show;
// setter/getter here
}
public class Show {
private String id;
private String url;
private String type;
private String title;
// setter/getter here
}
finally with Google Gson parse your object as like below
Gson gson = new Gson();
FBUserVideoWatches fbUserVideoWatches =gson.fromJson(json_string, FBUserVideoWatches.class);
Related
this problem only occurs when I get the data from the database, the application is replacing the _ with . this only happens when I get the record from the database
data in database
[{"nombre": "pablo", "pais(codigo)": "52", "telefono": "", "saldo_total": "10"}, {"nombre": "pablo", "pais(codigo)": "52", "telefono": "", "saldo_total": "10"}]
entity in java code
#EnableMongoRepositories
#Document(collection = "data")
public class DataEntity extends BaseMongoEntity {
#Id
private String id;
#Field(value = "company_id")
private int companyId;
private String name;
private String url;
private List<String> variables;
private List<Object> info;
public DataEntity() {
super();
// TODO Auto-generated constructor stub
}
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public int getCompanyId() {
return companyId;
}
public void setCompanyId(int companyId) {
this.companyId = companyId;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getUrl() {
return url;
}
public void setUrl(String url) {
this.url = url;
}
public List<String> getVariables() {
return variables;
}
public void setVariables(List<String> variables) {
this.variables = variables;
}
public List<Object> getInfo() {
return info;
}
public void setInfo(List<Object> info) {
this.info = info;
}
}
query to find the record in database
public DataEntity findById(String id) {
ObjectId idO = new ObjectId(id);
Query query = new Query(Criteria.where("_id").is(idO));
return mongoTemplate.findOne(query, DataEntity.class);
}
image of data obtained in object format
only happens when the record is obtained but not when saving data in the database.
I know there are a few questions on stackoverflow regarding this problem. But I have have been spending hours trying to resolve this error without any success.
I am using the mysql database to store the values.
I keep on getting the error message from the
com.example.springboot.Recipe file.
This is springboot recipe file
package com.example.springboot;
import com.example.springboot.Recipe;
import javax.persistence.*;
import javax.validation.constraints.NotBlank;
import javax.validation.constraints.NotNull;
#Entity // This tells Hibernate to make a table out of this class
public class Recipe {
public Recipe(){
}
public Recipe(Integer id, String name, String description, String type, Integer preptime, Integer cooktime, String content, Integer difficulty){
this.id = id;
this.name = name;
this.description = description;
this.type = type;
this.preptime = preptimee;
this.cooktime = cooktime;
this.content = content;
this.difficulty = difficulty;
}
#Id
#GeneratedValue(strategy=GenerationType.AUTO)
private Integer id;
private String name;
private String description;
private String type;
private Integer preptime;
private Integer cooktime;
#Column(columnDefinition = "TEXT")
private String content;
private Integer difficulty;
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getTitle() {
return name;
}
public void setTitle(String name) {
this.name = name;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public String getContent() {
return content;
}
public void setContent(String content) {
this.content = content;
}
public Integer getDifficulty() {
return difficulty;
}
public void setDifficulty(Integer difficulty) {
this.difficulty = difficulty;
}
public Integer getCookingtime() {
return cooktime;
}
public void setCookingtimeime(Integer cooktime) {
this.cooktime = cooktime;
}
public Integer getPreparationtime() {
return preptime;
}
public void setPreparationtime(Integer preptime) {
this.preptime = preptime;
}
}
Main Controller:
#PutMapping("/recipes/edit/{id}")
void updateRecipe2(#PathVariable int id, #RequestBody Recipe recipe ) {
Recipe recipe_ = recipeRepository.findById(id).get();
recipe_.setTitle(recipe.getTitle());
System.out.println("sss " + recipe.getname());
System.out.println("change");
recipeRepository.save(recipe_);
}
service.ts:
updateRecipe2 (id: number, recipe: any): Observable<any > {
const url = `${this.usersUrl}/edit/${id}`;
return this.http.put(url ,recipe);
}
where the updateRecipe2 gets called:
save(): void {
const id = +this.route.snapshot.paramMap.get('name');
this.recipeService.updateRecipe2(id, this.recipes)
.subscribe(() => this.gotoUserList());
}
as soon as the user clicks save this functions saves the changes made.
I hope the code snippets that I provided are enough to help solve the problem.
Thank you in advance.
I am building a rest api with spring boot and I am using angularjs as it's frontend. I am pretty new to web-development.
You are sending a list of recipes to an api endpoint that expects a single recipe object.
Your options are:
Send only one recipe object at a time, for example:
this.recipeService.updateRecipe2(id, this.recipes[0])
OR: create a new API endpoint to accept a list of recipes, to edit them in "batch"
#PutMapping("/recipes/edit")
void updateRecipes(#RequestBody List<Recipe> recipe ) {
my Example:
Use:
#PostMapping
Code:
public void setTransacciones(List<Transacciones> transacciones) {
this.transacciones = transacciones;
}
CodeBean:
public class Transacciones {
public String getText() {
return text;
}
public void setText(String text) {
this.text = text;
}
private String text;
}
Post(raw):
{
"transacciones" : [ {"text" : "1"}, {"text" : "2"} ]
}
Result:
{
"transacciones": [
{
"transaccionId": 2,
"text": "1"
},
{
"transaccionId": 3,
"text": "2"
}
]
}
BINGO!!
I'am trying to parse data to a recyclerview, i had some problems about expecting JSONArray/JSONObject that i fixed with some help, but this moment I am a little bit lost in what to do in the Onresponse, the original - generatePhonesList(response.body()) isnt working.
this is my json and i am trying to parse the data inside the array results[] :
{
"success": true,
"metadata": {
"sort": "POPULARITY",
"total_products": 20,
"title": "Phones & Tablets",
"results": [
{
"sku": "1",
"name": "Samsung Galaxy S9",
"brand": "Samsung",
"max_saving_percentage": 30,
"price": 53996,
"special_price": 37990,
"image": "https://cdn2.gsmarena.com/vv/bigpic/samsung-galaxy-s9-.jpg",
"rating_average": 5
},
MainActivity (CALL and Recyclerview creation) :
GetPhoneDataService service = RetrofitInstance.getRetrofitInstance().create(GetPhoneDataService.class);
Call<APIReponse> call = service.getAllPhones();
call.enqueue(new Callback<APIReponse>() {
#Override
public void onResponse(Call<APIReponse> call, Response<APIReponse> response) {
generatePhonesList(response.body());
}
#Override
public void onFailure(Call<APIReponse> call, Throwable t) {
Log.e("eee" , "" + t.getMessage());
}
});
}
private void generatePhonesList(List<Result> phonesList){
recyclerView = findViewById(R.id.recyclerView);
adapter = new PhonesAdapter(phonesList,this);
RecyclerView.LayoutManager layoutManager = new LinearLayoutManager(MainActivity.this);
recyclerView.setLayoutManager(layoutManager);
recyclerView.setAdapter(adapter);
}
this is the POJO Class's created in jsonschema2pojo :
public class APIReponse {
#SerializedName("success")
#Expose
private Boolean success;
#SerializedName("metadata")
#Expose
private Metadata metadata;
public Boolean getSuccess() {
return success;
}
public void setSuccess(Boolean success) {
this.success = success;
}
public Metadata getMetadata() {
return metadata;
}
public void setMetadata(Metadata metadata) {
this.metadata = metadata;
}
}
2 class
public class MetaData {
#SerializedName("sort")
#Expose
private String sort;
#SerializedName("total_products")
#Expose
private Integer totalProducts;
#SerializedName("title")
#Expose
private String title;
#SerializedName("results")
#Expose
private List<Result> results = null;
public String getSort() {
return sort;
}
public void setSort(String sort) {
this.sort = sort;
}
public Integer getTotalProducts() {
return totalProducts;
}
public void setTotalProducts(Integer totalProducts) {
this.totalProducts = totalProducts;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public List<Result> getResults() {
return results;
}
public void setResults(List<Result> results) {
this.results = results;
}
}
3 class:
public class Result {
#SerializedName("sku")
#Expose
private String sku;
#SerializedName("name")
#Expose
private String name;
#SerializedName("brand")
#Expose
private String brand;
#SerializedName("max_saving_percentage")
#Expose
private Integer maxSavingPercentage;
#SerializedName("price")
#Expose
private Integer price;
#SerializedName("special_price")
#Expose
private Integer specialPrice;
#SerializedName("image")
#Expose
private String image;
#SerializedName("rating_average")
#Expose
private Integer ratingAverage;
public String getSku() {
return sku;
}
public void setSku(String sku) {
this.sku = sku;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getBrand() {
return brand;
}
public void setBrand(String brand) {
this.brand = brand;
}
public Integer getMaxSavingPercentage() {
return maxSavingPercentage;
}
public void setMaxSavingPercentage(Integer maxSavingPercentage) {
this.maxSavingPercentage = maxSavingPercentage;
}
public Integer getPrice() {
return price;
}
public void setPrice(Integer price) {
this.price = price;
}
public Integer getSpecialPrice() {
return specialPrice;
}
public void setSpecialPrice(Integer specialPrice) {
this.specialPrice = specialPrice;
}
public String getImage() {
return image;
}
public void setImage(String image) {
this.image = image;
}
public Integer getRatingAverage() {
return ratingAverage;
}
public void setRatingAverage(Integer ratingAverage) {
this.ratingAverage = ratingAverage;
}
}
You are passing the APIReponse model to the generatePhonesList(List<Result> phonesList) function. You need to pass only the list of results in this function.
Replace this:
generatePhonesList(response.body());
with:
generatePhonesList(response.body().getMetadata().getResults());
Here getMetadata() and getResults() are the getter functions of metadata model and List.
If you pay close attention response.body() will provide you with class APIResponse. But you need is List<Result>. To achieve this, try response.body().getMetadata().getResults()
This should give you the desired output.
I'm using Jackson as part of a spring boot app. I am turning JSON into Java, and I am getting this error. I did some research, but I still don't understand what is going wrong or how to fix it.
Here is the JSON fragment:
"dataBlock": {
"sections": [
{
"info": "",
"prompt": "",
"name": "First Section",
"sequence": 0,
"fields": [],
"gatingConditions": [],
"guid": "480d160c-c34f-4022-97b0-e8a1f28c49ae",
"id": -2
}
],
"prompt": "",
"id": -1,
"name": ""
}
So my Java object for this "dataBlock" element:
public class DataBlockObject {
private int id;
private String prompt;
private String name;
private List<SectionObject> sections;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getPrompt() {
return prompt;
}
public void setPrompt(String prompt) {
this.prompt = prompt;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public List<SectionObject> getSections() {
return sections;
}
public void setSections(List<SectionObject> sections) {
this.sections = sections;
}
}
And the Section object is this:
public class SectionObject {
private int id;
private String name;
private String prompt;
private String info;
private int sequence;
private List<FieldObject> fields;
private List<GatingConditionObject> gatingConditions;
private String guid;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getPrompt() {
return prompt;
}
public void setPrompt(String prompt) {
this.prompt = prompt;
}
public String getInfo() {
return info;
}
public void setInfo(String info) {
this.info = info;
}
public int getSequence() {
return sequence;
}
public void setSequence(int sequence) {
this.sequence = sequence;
}
public List<FieldObject> getFields() {
return fields;
}
public void setFields(List<FieldObject> fields) {
this.fields = fields;
}
public List<GatingConditionObject> getGatingConditions() {
return gatingConditions;
}
public void setGatingConditions(List<GatingConditionObject> gatingConditions) {
this.gatingConditions = gatingConditions;
}
public String getGuid() {
return guid;
}
public void setGuid(String guid) {
this.guid = guid;
}
}
So it seems to me that Jackson would make a DataBlockObject, map the obvious elemenets, and create an array that I have clearly marked as a List named sections. -- just like the JSON shows.
Now the error is:
Caused by: com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException: Unrecognized field "sections" (class com.gridunity.workflow.bean.json.SectionObject), not marked as ignorable (8 known properties: "gatingConditions", "sequence", "prompt", "fields", "id", "info", "guid", "name"])
Now according to that error it would seem that one of my 8 elements should be named "sections" - But that's not one of my elements. It clearly has a problem with my List of Sections, but I cant figure out what it is.
Can someone explain WHY this is happening, especially sence it looks like I have my structure correct, and how to fix this. I have seen this on other posts:
objectMapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
But that seems incredibly wrong as I know all of my properties.
It looks like the JSON itself has another sections field in one or more of the dataBlock.sections items. If you don't have control over the construction of the JSON object, you'll need to add a #JsonIgnoreProperties annotation on the SectionObject class so that when the JSON object has fields that aren't specified in the POJO, it won't throw an error during deserialization.
#JsonIgnoreProperties(ignoreUnknown = true)
public class SectionObject {
// class members and methods here
}
I am trying to get some the array of actors from Jira. The code for the wrapper is used in a Gson.fromJson call. I had used something similar with a json string that did not have an array in it that had the information I needed and it worked fine, so the issue seems to do with the array, but I am not 100% sure:
import com.google.gson.annotations.SerializedName;
public class JiraRoleJsonWrapper {
#SerializedName("self")
private String self;
#SerializedName("name")
private String name;
#SerializedName("id")
private int id;
#SerializedName("description")
private String description;
#SerializedName("actors")
private JiraActors[] actors;
public JiraActors[] getActors() {
return actors;
}
public void setActors(JiraActors[] actors) {
this.actors = actors;
}
public String getSelf() {
return self;
}
public void setSelf(String self) {
this.self = self;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getDescription() {
return description;
}
public void setDescription(String key) {
this.description = description;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
/*
public String[] getAvatarUrls() {
return avatarUrls;
}
public void setAvatarUrls(String[] avatarUrls) {
this.avatarUrls = avatarUrls;
}
*/
}
class JiraActors {
#SerializedName("id")
private int id;
#SerializedName("displayNme")
private String displayName;
#SerializedName("type")
private String type;
#SerializedName("name")
private String name;
//#SerializedName("avatarUrl")
//private String avatarUrl;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getDisplayName() {
return displayName;
}
public void setDisplayName(String displayName) {
this.displayName = displayName;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
The json it would receive:
{
"self":"http://someserver.com:8080/apps/jira/rest/api/2/project/10741/role/10002",
"name":"Administrators",
"id":10002,
"description":"A project role",
"actors":[
{
"id":12432,
"displayName":"Joe Smith",
"type":"atlassian-user-role-actor",
"name":"joesmi",
"avatarUrl":"/apps/jira/secure/useravatar?size=xsmall&ownerId=dawsmi&avatarId=12245"
},
{
"id":12612,
"displayName":"Smurfette Desdemona",
"type":"atlassian-user-role-actor",
"name":"smudes",
"avatarUrl":"/apps/jira/secure/useravatar?size=xsmall&ownerId=lamade&avatarId=10100"
},
This shows two actors and the format of the json. Please note I did not put a complete json response. It just shows two actors.
In my code, I tried the following to retrieve the actors:
InputStream is = response.getEntityInputStream();
Reader reader = new InputStreamReader(is);
Gson gson = new Gson();
JiraRoleJsonWrapper[] jiraRoleJsonWrapper = gson.fromJson(reader, JiraRoleJsonWrapper[].class);
for (JiraRoleJsonWrapper w : jiraRoleJsonWrapper) {
JiraActors[] a = w.getActors();
String name = a.getName();
It does not find getName for some reason. I am not sure why.
I figured it out.
I change the setActors to
public void setActors(ArrayList<JiraActors> actors) {
this.actors = actors;
}
Then I was able to get the array list and get access to the getName() method of JiraActors.