/*
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* Copyright [2020-2030] [https://www.stylefeng.cn]
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Guns采用APACHE LICENSE 2.0开源协议，您在使用过程中，需要注意以下几点：
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*
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* 1.请不要删除和修改根目录下的LICENSE文件。
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* 2.请不要删除和修改Guns源码头部的版权声明。
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* 3.请保留源码和相关描述文件的项目出处，作者声明等。
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* 4.分发源码时候，请注明软件出处 https://gitee.com/stylefeng/guns
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* 5.在修改包名，模块名称，项目代码等时，请注明软件出处 https://gitee.com/stylefeng/guns
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* 6.若您的项目无法满足以上几点，可申请商业授权
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*/
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package cn.stylefeng.roses.kernel.file.api.util;
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import cn.hutool.core.util.StrUtil;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* 文件类型识别工具
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*
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* @author fengshuonan
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* @date 2020/11/29 14:00
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*/
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public class PicFileTypeUtil {
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private static final List<String> PIC_TYPES;
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static {
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PIC_TYPES = new ArrayList<>();
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PIC_TYPES.add("jpg");
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PIC_TYPES.add("png");
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PIC_TYPES.add("jpeg");
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PIC_TYPES.add("tif");
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PIC_TYPES.add("gif");
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PIC_TYPES.add("bmp");
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}
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/**
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* 根据文件名称获取文件是否为图片类型
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*
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* @param fileName 文件名称
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* @return boolean true-是图片类型，false-不是图片类型
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* @author fengshuonan
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* @date 2020/11/29 14:04
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*/
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public static boolean getFileImgTypeFlag(String fileName) {
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if (StrUtil.isEmpty(fileName)) {
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return false;
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}
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for (String picType : PIC_TYPES) {
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if (fileName.toLowerCase().endsWith(picType)) {
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return true;
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}
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}
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return false;
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}
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}
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