Java 如何将对象的嵌套JSON输入解析为jersey?
我将输入传递到我的API,如下所示:Java 如何将对象的嵌套JSON输入解析为jersey?,java,json,api,jersey,Java,Json,Api,Jersey,我将输入传递到我的API,如下所示: { "param1": "value1", "param2":"value2", "param3": { "min": "xyz", "max": "abc" } } 我想将此JSON请求解析为如下对象: class Filter { String param1; String param2; //frequency o
{
"param1": "value1",
"param2":"value2",
"param3": {
"min": "xyz",
"max": "abc"
}
}
我想将此JSON请求解析为如下对象:
class Filter {
String param1;
String param2;
//frequency object will consist of maximum and minimum attributes
Frequency frequency
}
如何在我的API方法中自动实例化过滤器对象
提前感谢。您可以使用jackson mapper
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.7.2</version>
</dependency>
您可以使用jackson映射器
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.7.2</version>
</dependency>
ObjectMapper mapper = new ObjectMapper();
String jsonString = "{\"param1\":\"Bar\",\"param2\":\"Foo\",\"frequency\":{\"min\":0,\"max\":10}}";
Filter filter = mapper.readValue(jsonString, Filter.class);
System.out.println(mapper.writeValueAsString(filter));
public class Filter {
public String param1;
public String param2;
public Frequency frequency;
}
public class Frequency {
public int min;
public int max;
}