com.qbit.httpclient.util.JsonUtil Maven / Gradle / Ivy

package com.qbit.httpclient.util;

import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.core.JsonFactory;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.*;
import org.apache.commons.lang3.StringUtils;

import java.io.IOException;
import java.util.Map;

/**
 * @author klover
 * description JsonUtil
 * date 2022/10/14 11:30
 */
public class JsonUtil {
    private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();

    static {
        OBJECT_MAPPER.setSerializationInclusion(JsonInclude.Include.NON_NULL);
        OBJECT_MAPPER.configure(SerializationFeature.INDENT_OUTPUT, Boolean.TRUE);
        OBJECT_MAPPER.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
    }

    public static JavaType getCollectionType(Class collectionClass, Class... elementClasses) {
        return OBJECT_MAPPER.getTypeFactory().constructParametricType(collectionClass, elementClasses);
    }

    public static JavaType getCollectionType(Class collectionClass, JavaType... parameterTypes) {
        return OBJECT_MAPPER.getTypeFactory().constructParametricType(collectionClass, parameterTypes);
    }

    public static  T convertValue(Object fromValue, TypeReference toValueTypeRef) {
        try {
            return OBJECT_MAPPER.convertValue(fromValue, toValueTypeRef);
        } catch (IllegalArgumentException e) {
            e.printStackTrace();
        }
        return null;
    }

    public static  T toBean(Object obj, Class clazz) {
        return toBean(toJSONString(obj), clazz);
    }

    public static  T toBean(String str, Class clazz) {
        if (StringUtils.isEmpty(str)) {
            return null;
        }
        try {
            return OBJECT_MAPPER.readValue(str, clazz);
        } catch (IOException e) {
            e.printStackTrace();
        }
        return null;
    }

    public static  T toBean(Object obj, JavaType javaType) {
        return toBean(toJSONString(obj), javaType);
    }

    public static  T toBean(String str, JavaType javaType) {
        try {
            return OBJECT_MAPPER.readValue(str, javaType);
        } catch (IOException e) {
            e.printStackTrace();
        }
        return null;
    }

    public static Map parse(String str) {
        try {
            return OBJECT_MAPPER.readValue(str, new TypeReference