Java JAX-RS Post多个对象
我有一个方法Java JAX-RS Post多个对象,java,rest,jax-rs,Java,Rest,Jax Rs,我有一个方法 @POST @Path("test") @Consumes(MediaType.APPLICATION_JSON) public void test(ObjectOne objectOne, ObjectTwo objectTwo) 现在我知道我可以发布json格式的单个对象,只需将其放入主体中。 但是有可能做多个对象吗?如果是,怎么做?答案是否定的 原因很简单:这与您可以在方法中接收的参数有关。它们必须与请求相关。对吗?因此,它们必须是头、cookie、查询参数、矩阵参数、路径
@POST
@Path("test")
@Consumes(MediaType.APPLICATION_JSON)
public void test(ObjectOne objectOne, ObjectTwo objectTwo)
现在我知道我可以发布json格式的单个对象,只需将其放入主体中。
但是有可能做多个对象吗?如果是,怎么做?答案是否定的 原因很简单:这与您可以在方法中接收的参数有关。它们必须与请求相关。对吗?因此,它们必须是头、cookie、查询参数、矩阵参数、路径参数或请求正文。(为了说明整个情况,还有其他类型的参数称为上下文)
现在,当您在请求中接收JSON对象时,您将在请求体中接收它。该请求可能有多少机构?只有一个。因此,您只能接收一个JSON对象。答案是否 原因很简单:这与您可以在方法中接收的参数有关。它们必须与请求相关。对吗?因此,它们必须是头、cookie、查询参数、矩阵参数、路径参数或请求正文。(为了说明整个情况,还有其他类型的参数称为上下文)
现在,当您在请求中接收JSON对象时,您将在请求体中接收它。该请求可能有多少机构?只有一个。因此,您只能接收一个JSON对象。您不能像Tarlog所解释的那样,在一个POST调用中放置两个单独的对象
无论如何,您可以创建包含前两个对象的第三个容器对象,并在POS调用中传递该对象。正如Tarlog所解释的,您不能在一个POST调用中放置两个单独的对象
无论如何,您可以创建包含前两个对象的第三个容器对象,并在POS调用中传递该对象。您不能使用Tarlog正确说明的方法 但是,您可以这样做:
@POST
@Path("test")
@Consumes(MediaType.APPLICATION_JSON)
public void test(List<ObjectOne> objects)
此外,您始终可以将方法与GET参数结合使用:
@POST
@Path("test")
@Consumes(MediaType.APPLICATION_JSON)
public void test(List<ObjectOne> objects, @QueryParam("objectTwoId") long objectTwoId)
@POST
@路径(“测试”)
@使用(MediaType.APPLICATION_JSON)
公共无效测试(列出对象,@QueryParam(“objectTwoId”)长objectTwoId)
您不能使用Tarlog正确说明的方法
但是,您可以这样做:
@POST
@Path("test")
@Consumes(MediaType.APPLICATION_JSON)
public void test(List<ObjectOne> objects)
此外,您始终可以将方法与GET参数结合使用:
@POST
@Path("test")
@Consumes(MediaType.APPLICATION_JSON)
public void test(List<ObjectOne> objects, @QueryParam("objectTwoId") long objectTwoId)
@POST
@路径(“测试”)
@使用(MediaType.APPLICATION_JSON)
公共无效测试(列出对象,@QueryParam(“objectTwoId”)长objectTwoId)
下一种方法通常适用于此类情况:
TransferObject{
反对一反对一;
反对二反对二;
//能手/二传手
}
@职位
@路径(“测试”)
@使用(MediaType.APPLICATION_JSON)
公共无效测试(TransferObject){
//对象。getObejctOne()。。。。
}
下一种方法通常适用于此类情况:
TransferObject{
反对一反对一;
反对二反对二;
//能手/二传手
}
@职位
@路径(“测试”)
@使用(MediaType.APPLICATION_JSON)
公共无效测试(TransferObject){
//对象。getObejctOne()。。。。
}
我也面临着这些问题。也许这会有帮助
@POST
@Path("/{par}")
@Produces(MediaType.APPLICATION_JSON)
@Consumes(MediaType.APPLICATION_JSON)
public Object centralService(@PathParam("par") String operation, Object requestEntity) throws JSONException {
ObjectMapper objectMapper=new ObjectMapper();
Cars cars = new Cars();
Seller seller = new Seller();
String someThingElse;
HashMap<String, Object> mapper = new HashMap<>(); //Diamond )))
mapper = (HashMap<String, Object>) requestEntity;
cars=objectMapper.convertValue(mapper.get("cars"), Cars.class);
seller=objectMapper.convertValue(mapper.get("seller"), Seller.class);
someThingElse=objectMapper.convertValue(mapper.get("someThingElse"), String.class);
System.out.println("Cars Data "+cars.toString());
System.out.println("Sellers Data "+seller.toString());
System.out.println("SomeThingElse "+someThingElse);
if (operation.equals("search")) {
System.out.println("Searching");
} else if (operation.equals("insertNewData")) {
System.out.println("Inserting New Data");
} else if (operation.equals("buyCar")) {
System.out.println("Buying new Car");
}
JSONObject json=new JSONObject();
json.put("result","Works Fine!!!");
return json.toString();
}
*******CARS POJO********@XmlRootElement for Mapping Object to XML or JSON***
@XmlRootElement
public class Cars {
private int id;
private String brand;
private String model;
private String body_type;
private String fuel;
private String engine_volume;
private String horsepower;
private String transmission;
private String drive;
private String status;
private String mileage;
private String price;
private String description;
private String picture;
private String fk_seller_oid;
} // Setters and Getters Omitted
*******SELLER POJO********@XmlRootElement for Mapping Object to XML or JSON***
@XmlRootElement
public class Seller {
private int id;
private String name;
private String surname;
private String phone;
private String email;
private String country;
private String city;
private String paste_date;
}//Setters and Getters omitted too
*********************FRONT END Looks Like This******************
$(function(){
$('#post').on('click',function(){
console.log('Begins');
$.ajax({
type:'POST',
url: '/ENGINE/cars/test',
contentType: "application/json; charset=utf-8",
dataType: "json",
data:complexObject(),
success: function(data){
console.log('Sended and returned'+JSON.stringify(data));
},
error: function(err){
console.log('Error');
console.log("AJAX error in request: " + JSON.stringify(err, null, 2));
}
}); //-- END of Ajax
console.log('Ends POST');
console.log(formToJSON());
}); // -- END of click function POST
function complexObject(){
return JSON.stringify({
"cars":{"id":"1234","brand":"Mercedes","model":"S class","body_type":"Sedan","fuel":"Benzoline","engine_volume":"6.5",
"horsepower":"1600","transmission":"Automat","drive":"Full PLag","status":"new","mileage":"7.00","price":"15000",
"description":"new car and very nice car","picture":"mercedes.jpg","fk_seller_oid":"1234444"},
"seller":{ "id":"234","name":"Djonotan","surname":"Klinton","phone":"+994707702747","email":"email@gmail.com", "country":"Azeribaijan","city":"Baku","paste_date":"20150327"},
"someThingElse":"String type of element"
});
} //-- END of Complex Object
});// -- END of JQuery - Ajax
@POST
@路径(“/{par}”)
@产生(MediaType.APPLICATION_JSON)
@使用(MediaType.APPLICATION_JSON)
公共对象centralService(@PathParam(“par”)字符串操作,对象请求实体)抛出JSONException{
ObjectMapper ObjectMapper=新的ObjectMapper();
汽车=新车();
卖方=新卖方();
把东西串起来;
HashMap映射器=新HashMap();//菱形)))
映射器=(HashMap)requestEntity;
cars=objectMapper.convertValue(mapper.get(“cars”)、cars.class);
seller=objectMapper.convertValue(mapper.get(“seller”)、seller.class);
someThingElse=objectMapper.convertValue(mapper.get(“someThingElse”),String.class);
System.out.println(“Cars数据”+Cars.toString());
System.out.println(“卖方数据”+卖方.toString());
System.out.println(“SomeThingElse”+SomeThingElse);
if(operation.equals(“search”)){
System.out.println(“搜索”);
}else if(operation.equals(“insertNewData”)){
System.out.println(“插入新数据”);
}else if(操作等于(“买车”)){
System.out.println(“购买新车”);
}
JSONObject json=新的JSONObject();
put(“结果”,“工作正常!!!”);
返回json.toString();
}
*******CARS POJO******@XmlRootElement用于将对象映射到XML或JSON***
@XmlRootElement
公车{
私有int-id;
自有品牌;
私有字符串模型;
私有字符串体_类型;
私人管柱燃料;
私有字符串引擎\u卷;
私人串马力;
专用字符串传输;
专用字符串驱动器;
私有字符串状态;
私人串里程;
私人字符串价格;
私有字符串描述;
私有字符串图片;
私有字符串fk_seller_oid;
}//省略了setter和getter
*******卖方POJO******@XmlRootElement,用于将对象映射到XML或JSON***
@XmlRootElement
公共类卖家{
私有int-id;
私有字符串名称;
私家姓;
私人电话;
私人字符串电子邮件;
私人国家;
私人城市;
私人字符串粘贴日期;
}//二传手和接球手也被省略了
*********************前端看起来像这样******************
$(函数(){
$('#post')。在('click',function()上{
console.log('Begins');
$.ajax({
类型:'POST',
url:“/ENGINE/cars/test”,
contentType:“应用程序/json;字符集=utf-8”,
数据类型:“json”,
数据:complexObject(),
成功:功能(数据){
log('send and returned'+JSON.stringify(data));
},
错误:函数(err){
console.log('Error');
log(“请求中的AJAX错误
@Provider
public class JacksonJsonParamConverterProvider implements ParamConverterProvider {
@Context
private Providers providers;
@Override
public <T> ParamConverter<T> getConverter(final Class<T> rawType,
final Type genericType,
final Annotation[] annotations) {
// Check whether we can convert the given type with Jackson.
final MessageBodyReader<T> mbr = providers.getMessageBodyReader(rawType,
genericType, annotations, MediaType.APPLICATION_JSON_TYPE);
if (mbr == null
|| !mbr.isReadable(rawType, genericType, annotations, MediaType.APPLICATION_JSON_TYPE)) {
return null;
}
// Obtain custom ObjectMapper for special handling.
final ContextResolver<ObjectMapper> contextResolver = providers
.getContextResolver(ObjectMapper.class, MediaType.APPLICATION_JSON_TYPE);
final ObjectMapper mapper = contextResolver != null ?
contextResolver.getContext(rawType) : new ObjectMapper();
// Create ParamConverter.
return new ParamConverter<T>() {
@Override
public T fromString(final String value) {
try {
return mapper.reader(rawType).readValue(value);
} catch (IOException e) {
throw new ProcessingException(e);
}
}
@Override
public String toString(final T value) {
try {
return mapper.writer().writeValueAsString(value);
} catch (JsonProcessingException e) {
throw new ProcessingException(e);
}
}
};
}
}
<dependency>
<groupId>org.glassfish.jersey.media</groupId>
<artifactId>jersey-media-multipart</artifactId>
<version>${jersey-2.x.version}</version>
</dependency>
import javax.ws.rs.ApplicationPath;
import org.glassfish.jersey.media.multipart.MultiPartFeature;
import org.glassfish.jersey.server.ResourceConfig;
@ApplicationPath("/api")
public class JerseyApplication extends ResourceConfig {
public JerseyApplication() {
packages("stackoverflow.jersey");
register(MultiPartFeature.class);
}
}
import javax.ws.rs.Consumes;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import org.glassfish.jersey.media.multipart.FormDataParam;
@Path("foobar")
public class MultipartResource {
@POST
@Consumes(MediaType.MULTIPART_FORM_DATA)
public Response postFooBar(@FormDataParam("foo") Foo foo,
@FormDataParam("bar") Bar bar) {
String response = foo.foo + "; " + bar.bar;
return Response.ok(response).build();
}
public static class Foo {
public String foo;
}
public static class Bar {
public String bar;
}
}
<dependency>
<groupId>org.glassfish.jersey.media</groupId>
<artifactId>jersey-media-json-jackson</artifactId>
<version>${jersey-2.x.version}</version>
</dependency>
<!DOCTYPE html>
<html ng-app="multipartApp">
<head>
<script src="js/libs/angular.js/angular.js"></script>
<script>
angular.module("multipartApp", [])
.controller("defaultCtrl", function($scope, $http) {
$scope.sendData = function() {
var foo = JSON.stringify({foo: "FooFoo"});
var bar = JSON.stringify({bar: "BarBar"});
var boundary = Math.random().toString().substr(2);
var header = "multipart/form-data; charset=utf-8; boundary=" + boundary;
$http({
url: "/api/foobar",
headers: { "Content-Type": header },
data: createRequest(foo, bar, boundary),
method: "POST"
}).then(function(response) {
$scope.result = response.data;
});
};
function createRequest(foo, bar, boundary) {
var multipart = "";
multipart += "--" + boundary
+ "\r\nContent-Disposition: form-data; name=foo"
+ "\r\nContent-type: application/json"
+ "\r\n\r\n" + foo + "\r\n";
multipart += "--" + boundary
+ "\r\nContent-Disposition: form-data; name=bar"
+ "\r\nContent-type: application/json"
+ "\r\n\r\n" + bar + "\r\n";
multipart += "--" + boundary + "--\r\n";
return multipart;
}
});
</script>
</head>
<body>
<div ng-controller="defaultCtrl">
<button ng-click="sendData()">Send</button>
<p>{{result}}</p>
</div>
</body>
</html>
T[] create(@RequestBody T[] objects) {
for( T object : objects ) {
service.create(object);
}
}
import org.apache.cxf.jaxrs.ext.multipart.Multipart;
@POST
@Path("paramTest")
@Consumes(MediaType.MULTIPART_FORM_DATA)
public GenericResult paramTest(
@Multipart(value = "myData", type=MediaType.APPLICATION_JSON)
ObjectOne myData,
@Multipart(value = "infoList", type=MediaType.APPLICATION_JSON)
ObjectTwo[] infoList);
@Test
public void paramTest()
{
String payload1 = "" +
"{ \"name\": \"someName\", \"branch\": \"testBranch\" }";
String payload2 =
" [ { \"name\": \"cn\", \"status\": \"ts\" }," +
"{ \"name\": \"cn2\", \"status\": \"ts2\" } ] ]";
RestAssured.
given().
contentType("multipart/form-data").
multiPart("myData", payload1, "application/json").
multiPart("infoList", payload2, "application/json").
post(String.format("%s/paramTest", API_PATH)).
then().
statusCode(HttpStatus.SC_OK).
contentType(ContentType.JSON).
body("success", Matchers.equalTo(true));
}