Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.pamarin.api.converter; import com.fasterxml.jackson.core.JsonParser; import com.fasterxml.jackson.core.JsonProcessingException; import com.fasterxml.jackson.databind.DeserializationContext; import com.fasterxml.jackson.databind.JsonDeserializer; import java.io.IOException; import java.util.Locale; import org.apache.commons.lang.StringUtils; import static org.springframework.util.StringUtils.hasText; /** * * @author jittagornp */ public class JsonLocaleDeserializer extends JsonDeserializer<Locale> { @Override public Locale deserialize(JsonParser jp, DeserializationContext dc) throws IOException, JsonProcessingException { String localeCode = jp.getText(); if (!hasText(localeCode)) { return null; } String[] split = StringUtils.split(localeCode, "_"); if (split.length != 2) { throw new IOException("not support locale, require language and country"); } if (!hasText(split[0])) { throw new IOException("not support locale, require language"); } if (!hasText(split[1])) { throw new IOException("not support locale, require country"); } return new Locale(split[0], split[1]); } }