创建一个简单的Web服务,该服务由包含Car类列表的Person类组成。
人员类:
import javax.xml.bind.annotation.XmlRootElement;
@XmlRootElement
public class Person {
private String lastName;
private String firstName;
private List<Car> cars;
// Getters & Setters
}
汽车类:
import javax.xml.bind.annotation.XmlRootElement;
@XmlRootElement
public class Car {
private String year;
private String make;
private String model;
// Getters & Setters
}
创建了一个不同的对象来存储我的inquries。
import javax.xml.bind.annotation.XmlRootElement;
@XmlRootElement
public class ResponseOutput {
private String year;
private String make;
private String model;
// Getter and Setters
}
这是我的实际客户端(基于泽西岛的Restful Web服务):
@Path("")
public class MyWebService {
@GET
@Path("showPerson")
@Produces(MediaType.APPLICATION_JSON)
public Person getPerson {
Person person = new Person();
person.setFirstName = "John";
person.setLastName = "Doe";
Car car1 = new Car();
car1.setYear("2012");
car1.setMake("Toyota");
car1.setModel("Corolla");
Car car2 = new Car();
car2.setYear("2011");
car2.setMake("Ford");
car2.setModel("Focus");
List<Car> cars = new ArrayList<Car>();
cars.add(car1);
cars.add(car2);
person.setCars(cars);
return person;
}
@GET
@Path("{name}")
@Produces(MediaType.APPLICATION_JSON)
public ResponseOutput getCar(@PathParam("name") String name)
{
ResponseOutput output = new ResponseOutput();
Person person = getPerson();
List<Car> cars = person.getCars();
for (Car car : cars) {
if (name.equals(car.getMake())); {
System.out.println("\n\tcar.getMake(): " + "\n");
output.setMake(car.getMake());
}
}
return output;
}
}
当我按如下方式调用getPerson()方法时:
curl -X GET http://localhost:8080/myapp/showPerson
它返回一个包含这个JSON对象的201(这就是我想要的):
{"cars":[{"make":"Toyota","model":"Corolla","year":"2012"},
{"make":"Ford","model":"Focus","year":"2011"}],"firstName":"John","lastName":"Doe"}
但是,当我按如下方式调用getCar方法()时:
curl -X GET http://localhost:8080/myapp/toyota
我得到以下JSON对象(添加了ArrayList中的第二项!):
{ "make":"Ford", "model":"null", "year":"null" }
我希望它是丰田而不是福特。
如果你能说,我打印出了car.getMake()字符串的值,在控制台/ shell中,它的方式是这样的:
car.getMake(): Toyota
car.getMake(): Ford
所以,似乎它在列表中迭代但是添加了最后一项(或者只是下一项)?
我可能做错了什么?感谢您抽出宝贵时间阅读本文...