使用jackson将Json Object转换为java对象 [英] Json Object conversion to java object using jackson

问题描述

我有以下json数据

{"id":10606,
 "name":"ProgrammerTitle",
 "objectMap":{"programme-title":"TestProgramme","working-title":"TestProgramme"}
}

我想将此数据设置为我的pojo对象

I want to set this data to my pojo object

public class TestObject {
    private Long id;
    private String name;

    @JsonProperty("programme-title")
    private String programmeTitle;

    @JsonProperty("working-title")
    private String workingTitle;
}

这里我可以在我的测试对象中设置id和name但是对象map我无法设置数据。

Here i am able to set id and name in my test object but for object map i am not able to set data.

所以我在ObjectMap上创建了更多类，其中包含programmeTitle& workingTitle这个工作正常但是我不能直接将这个字段设置为我的pojo对象
这可以设置吗？

So i have made on more class for ObjectMap which contains programmeTitle & workingTitle this works fine but i can't set this fields directly to my pojo object is this possible to set?

我正在使用Jackson Object Mapper进行转换json data。

I am using Jackson Object Mapper to convert json data.

如果我在我的pojo中创建另一个java对象，它工作正常，如：

It is working fine if i create another java object inside my pojo like:

public class TestObject {
private Long id;
private String name;

@JsonProperty("objectMap")
private ObjectMap objectMap;

public Long getId() {
    return id;
}

public void setId(Long id) {
    this.id = id;
}

public String getName() {
    return name;
}

public void setName(String name) {
    this.name = name;
}

public ObjectMap getObjectMap() {
    return objectMap;
}

public void setObjectMap(ObjectMap objectMap) {
    this.objectMap = objectMap;
}

}

public class ObjectMap {

@JsonProperty("programme-title")
private String programmeTitle;

@JsonProperty("working-title")
private String workingTitle;

public String getProgrammeTitle() {
    return programmeTitle;
}

public void setProgrammeTitle(String programmeTitle) {
    this.programmeTitle = programmeTitle;
}

public String getWorkingTitle() {
    return workingTitle;
}

public void setWorkingTitle(String workingTitle) {
    this.workingTitle = workingTitle;
}

}

推荐答案

如果您的JSON是这样的

If your JSON is like this

{"id":10606,
  "name":"ProgrammerTitle",
  "objectMap":{"programme-title":"TestProgramme","working-title":"TestProgramme"}
}

那么你可以写这样的对象映射器类..

then you may write your object mapper class like this..

public class Program{

    public static class ObjectMap{
     private String programme_title, working_title;

      public String getprogramme_title() { return programme_title; }
     public String getworking_title() { return working_title; }

     public void setprogramme_title(String s) { programme_title= s; }
     public void setworking_title(String s) { working_title= s; }
   }

   private ObjectMap objMap;

   private String name;

   public ObjectMap getobjectMap () { return objMap; }
   public void setObjectMap  (ObjectMap n) { objMap= n; }

   private Long id;
   public Long getId() {return id;}
   public void setId(Long id) {this.id = id;}

   private String name;
   public String getName() {return name;}
   public void setName(String name) {this.name = name;}
  }

请参阅此检查

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