Created
June 17, 2024 13:04
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JsonPointer example
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| package com.legbehindneck; | |
| import java.io.IOException; | |
| import com.fasterxml.jackson.databind.JsonNode; | |
| import com.fasterxml.jackson.databind.ObjectMapper; | |
| import com.fasterxml.jackson.core.JsonPointer; | |
| public class Main { | |
| public static void main(String[] args) { | |
| ObjectMapper mapper = new ObjectMapper(); | |
| String json = "{\"name\":{\"first\":\"John\",\"last\":\"Doe\"},\"age\":30,\"city\":\"New York\"}"; | |
| JsonNode node = null; | |
| try { | |
| node = mapper.readTree(json); | |
| JsonPointer pointer = JsonPointer.compile("/name/first"); | |
| JsonNode firstNameNode = node.at(pointer); | |
| System.out.println("First Name: " + firstNameNode.asText()); | |
| } catch (IOException e) { | |
| throw new RuntimeException(e); | |
| } | |
| } | |
| } |
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