/*
 * Copyright [2020-2030] [https://www.stylefeng.cn]
 *
 * 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.
 *
 * 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：
 *
 * 1.请不要删除和修改根目录下的LICENSE文件。
 * 2.请不要删除和修改Guns源码头部的版权声明。
 * 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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 * 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
 * 6.若您的项目无法满足以上几点，可申请商业授权
 */
package cn.stylefeng.roses.kernel.file.api.util;

import cn.hutool.core.util.StrUtil;

import java.util.ArrayList;
import java.util.List;

/**
 * pdf文件类型识别工具
 *
 * @author majianguo
 * @date 2020/12/27 13:06
 */
public class PdfFileTypeUtil {

    private static final List<String> PDF_TYPES;

    static {
        PDF_TYPES = new ArrayList<>();
        PDF_TYPES.add("pdf");
    }

    /**
     * 根据文件名称获取文件是否为PDF类型
     *
     * @param fileName 文件名称
     * @return boolean true-是图片类型，false-不是图片类型
     * @author fengshuonan
     * @date 2020/11/29 14:04
     */
    public static boolean getFilePdfTypeFlag(String fileName) {
        if (StrUtil.isEmpty(fileName)) {
            return false;
        }

        for (String picType : PDF_TYPES) {
            if (fileName.toLowerCase().endsWith(picType)) {
                return true;
            }
        }

        return false;
    }

}