com.jfinal.json.Json Maven / Gradle / Ivy
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/**
* Copyright (c) 2011-2023, James Zhan 詹波 ([email protected]).
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.jfinal.json;
import java.util.Objects;
/**
* json string 与 object 互转抽象
*/
public abstract class Json {
private static IJsonFactory defaultJsonFactory = new JFinalJsonFactory();
/**
* 当对象级的 datePattern 为 null 时使用 defaultDatePattern
* jfinal 2.1 版本暂定 defaultDatePattern 值为 null,即 jackson、fastjson
* 默认使用自己的 date 转换策略
*/
private static String defaultDatePattern = "yyyy-MM-dd HH:mm:ss"; // null;
/**
* Json 继承类优先使用对象级的属性 datePattern, 然后才是全局性的 defaultDatePattern
*/
protected String datePattern = null;
static void setDefaultJsonFactory(IJsonFactory defaultJsonFactory) {
Objects.requireNonNull(defaultJsonFactory, "defaultJsonFactory can not be null");
Json.defaultJsonFactory = defaultJsonFactory;
}
static void setDefaultDatePattern(String defaultDatePattern) {
Json.defaultDatePattern = defaultDatePattern;
}
public Json setDatePattern(String datePattern) {
this.datePattern = datePattern;
return this;
}
public String getDatePattern() {
return datePattern;
}
public String getDefaultDatePattern() {
return defaultDatePattern;
}
public static Json getJson() {
return defaultJsonFactory.getJson();
}
public abstract String toJson(Object object);
public abstract T parse(String jsonString, Class type);
}
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