/**
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* Copyright (c) 2013-Now http://jeesite.com All rights reserved.
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*/
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package com.ruoyi.common.core.lang;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.lang3.BooleanUtils;
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import org.apache.commons.lang3.StringUtils;
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import org.apache.commons.lang3.math.NumberUtils;
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import org.springframework.beans.BeanUtils;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.ObjectInputStream;
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import java.io.ObjectOutputStream;
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import java.lang.reflect.Method;
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/**
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* 对象操作工具类, 继承org.apache.commons.lang3.ObjectUtils类
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* @author ThinkGem
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* @version 2018-08-11
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*/
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@Slf4j
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public class ObjectUtils extends org.apache.commons.lang3.ObjectUtils {
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/**
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* 转换为Double类型
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*/
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public static Double toDouble(final Object val) {
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if (val == null) {
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return 0D;
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}
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try {
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return NumberUtils.toDouble(StringUtils.trim(val.toString()));
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} catch (Exception e) {
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return 0D;
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}
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}
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/**
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* 转换为Float类型
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*/
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public static Float toFloat(final Object val) {
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return toDouble(val).floatValue();
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}
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/**
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* 转换为Long类型
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*/
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public static Long toLong(final Object val) {
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return toDouble(val).longValue();
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}
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/**
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* 转换为Integer类型
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*/
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public static Integer toInteger(final Object val) {
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return toLong(val).intValue();
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}
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/**
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* 转换为Boolean类型 'true', 'on', 'y', 't', 'yes' or '1' (case insensitive) will return true. Otherwise, false is returned.
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*/
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public static Boolean toBoolean(final Object val) {
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if (val == null) {
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return false;
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}
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return BooleanUtils.toBoolean(val.toString()) || "1".equals(val.toString());
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}
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/**
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* 转换为字符串
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* @param obj
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* @return
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*/
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public static String toString(final Object obj) {
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return toString(obj, StringUtils.EMPTY);
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}
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/**
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* 如果对象为空，则使用defaultVal值
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* @param obj
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* @param defaultVal
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* @return
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*/
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public static String toString(final Object obj, final String defaultVal) {
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return obj == null ? defaultVal : obj.toString();
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}
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/**
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* 空转空字符串（"" to "" ; null to "" ; "null" to "" ; "NULL" to "" ; "Null" to ""）
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* @param val 需转换的值
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* @return 返回转换后的值
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*/
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public static String toStringIgnoreNull(final Object val) {
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return ObjectUtils.toStringIgnoreNull(val, StringUtils.EMPTY);
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}
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/**
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* 空对象转空字符串 （"" to defaultVal ; null to defaultVal ; "null" to defaultVal ; "NULL" to defaultVal ; "Null" to defaultVal）
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* @param val 需转换的值
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* @param defaultVal 默认值
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* @return 返回转换后的值
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*/
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public static String toStringIgnoreNull(final Object val, String defaultVal) {
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String str = ObjectUtils.toString(val);
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return !"".equals(str) && !"null".equals(str.trim().toLowerCase()) ? str : defaultVal;
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}
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/**
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* 拷贝一个对象（但是子对象无法拷贝）
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* @param source
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* @param ignoreProperties
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*/
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public static Object copyBean(Object source, String... ignoreProperties) throws Exception{
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if (source == null){
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return null;
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}
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try {
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Object target = source.getClass().newInstance();
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BeanUtils.copyProperties(source, target, ignoreProperties);
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return target;
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} catch (InstantiationException | IllegalAccessException e) {
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throw e;
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}
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}
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/**
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* 注解到对象复制，只复制能匹配上的方法。 硕正组件用。
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* @param annotation
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* @param object
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*/
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public static void annotationToObject(Object annotation, Object object) {
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if (annotation != null && object != null) {
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Class<?> annotationClass = annotation.getClass();
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Class<?> objectClass = object.getClass();
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for (Method m : objectClass.getMethods()) {
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if (StringUtils.startsWith(m.getName(), "set")) {
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try {
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String s = StringUtils.uncapitalize(StringUtils.substring(m.getName(), 3));
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Object obj = annotationClass.getMethod(s).invoke(annotation);
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if (obj != null && !"".equals(obj.toString())) {
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m.invoke(object, obj);
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}
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} catch (Exception e) {
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// 忽略所有设置失败方法
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}
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}
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}
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}
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}
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/**
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* 序列化对象
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* @param object
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* @return
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*/
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public static byte[] serialize(Object object) {
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if (object == null){
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return null;
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}
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long beginTime = System.currentTimeMillis();
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byte[] bytes = null;
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try (ByteArrayOutputStream baos = new ByteArrayOutputStream();
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ObjectOutputStream oos = new ObjectOutputStream(baos);) {
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oos.writeObject(object);
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bytes = baos.toByteArray();
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} catch (Exception e) {
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log.error("serialize =>",e);
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}
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long totalTime = System.currentTimeMillis() - beginTime;
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if (totalTime > 3000){
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log.info("Serialize time: " + TimeUtils.formatDateAgo(totalTime));
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}
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return bytes;
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}
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/**
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* 反序列化对象
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* @param bytes
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* @return
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*/
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public static Object unserialize(byte[] bytes) {
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if (bytes == null){
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return null;
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}
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long beginTime = System.currentTimeMillis();
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Object object = null;
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if (bytes.length > 0) {
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try (ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
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ObjectInputStream ois = new ObjectInputStream(bais);) {
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object = ois.readObject();
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} catch (Exception e) {
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log.error(e.getMessage());
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}
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}
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long totalTime = System.currentTimeMillis() - beginTime;
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if (totalTime > 3000){
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log.info("Unserialize time: " + TimeUtils.formatDateAgo(totalTime));
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}
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return object;
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}
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}
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