com.github.lfopenjavaswagger2word.util.JsonUtils Maven / Gradle / Ivy
package com.github.lfopenjavaswagger2word.util;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
import java.io.IOException;
import java.util.List;
/**
* @author cuixiuyin
* @Date: 2018/11/05
*/
public class JsonUtils {
private static ObjectMapper objectMapper = new ObjectMapper();
static {
objectMapper.setSerializationInclusion(JsonInclude.Include.ALWAYS);
objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
objectMapper.configure(JsonParser.Feature.ALLOW_UNQUOTED_FIELD_NAMES, true);
objectMapper.configure(JsonParser.Feature.ALLOW_UNQUOTED_CONTROL_CHARS, true);
objectMapper.configure(JsonParser.Feature.ALLOW_SINGLE_QUOTES, true);
}
public static T readValue(String jsonStr, Class clazz) throws IOException {
return objectMapper.readValue(jsonStr, clazz);
}
public static List readListValue(String jsonStr, Class clazz) throws IOException {
JavaType javaType = objectMapper.getTypeFactory().constructParametricType(List.class, clazz);
return objectMapper.readValue(jsonStr, javaType);
}
public static ArrayNode readArray(String jsonStr) throws IOException {
JsonNode node = objectMapper.readTree(jsonStr);
if (node.isArray()) {
return (ArrayNode) node;
}
return null;
}
public static JsonNode readNode(String jsonStr) throws IOException {
return objectMapper.readTree(jsonStr);
}
public static String writeJsonStr(Object obj) throws JsonProcessingException {
return objectMapper.writeValueAsString(obj);
}
public static ObjectNode createObjectNode() {
return objectMapper.createObjectNode();
}
public static ArrayNode createArrayNode() {
return objectMapper.createArrayNode();
}
}