我正在尝试编写一个服务,它将接受POST请求中的JSON或XML对象。我已经成功编写了一个GET请求处理程序,它将根据头部的accept返回XML或JSON格式的对象。当我以JSON作为请求正文进行POST时,我的POST方法中的Java对象没有填入JSON中的值。
@POST
@Consumes({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
public void postUser(@Context HttpServletRequest Req, User user)
{
PersistenceManager pm = PMF.get().getPersistenceManager();
try
{
pm.makePersistent(user);
}
finally
{
pm.close();
}
}
当我使用POST方法打破类型为User的Java对象“user”时,其属性具有null值。该对象本身不为空,只是其属性为空。
这是通过POST提交的JSON。
{"user":{"logon":"kevin","password":"password","personid":"xyz"}}
这是我的类
package com.afalon.cloud.contracts;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.jdo.annotations.Extension;
import javax.jdo.annotations.IdGeneratorStrategy;
import javax.jdo.annotations.PersistenceCapable;
import javax.jdo.annotations.Persistent;
import javax.jdo.annotations.PrimaryKey;
@PersistenceCapable
@XmlRootElement(name = "user")
@XmlAccessorType(XmlAccessType.NONE)
public class User {
@Persistent
@XmlElement(name="logon")
private String logon;
@Persistent
@XmlElement(name="password")
private String password;
@Persistent
@XmlElement(name="personid")
private String personid;
@PrimaryKey
@Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY)
@Extension(vendorName="datanucleus", key="gae.encoded-pk", value="true")
@XmlElement(name="userid")
private String userid;
public User () {}
public void setLogOn(String value) {
logon = value;
}
public String getLogOn() {
return logon;
}
public void setPassword(String value) {
password = value;
}
public String getPassword() {
return password;
}
public void setPersonId(String value) {
personid = value;
}
public String getPersonId() {
return personid;
}
public String getUserId() {
return userid;
}
user
属性的对象。对象用{}表示,数组用[]表示。并没有所谓的List。 - Peter Knego