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package com.jcdm.common.utils.file; |
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/** |
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* 媒体类型工具类 |
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* |
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* @author jc |
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*/ |
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public class MimeTypeUtils |
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{ |
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public static final String IMAGE_PNG = "image/png"; |
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public static final String IMAGE_JPG = "image/jpg"; |
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public static final String IMAGE_JPEG = "image/jpeg"; |
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public static final String IMAGE_BMP = "image/bmp"; |
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public static final String IMAGE_GIF = "image/gif"; |
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public static final String[] IMAGE_EXTENSION = { "bmp", "gif", "jpg", "jpeg", "png" }; |
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public static final String[] FLASH_EXTENSION = { "swf", "flv" }; |
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public static final String[] MEDIA_EXTENSION = { "swf", "flv", "mp3", "wav", "wma", "wmv", "mid", "avi", "mpg", |
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"asf", "rm", "rmvb" }; |
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public static final String[] VIDEO_EXTENSION = { "mp4", "avi", "rmvb" }; |
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public static final String[] DEFAULT_ALLOWED_EXTENSION = { |
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// 图片 |
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"bmp", "gif", "jpg", "jpeg", "png", |
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// word excel powerpoint |
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"doc", "docx", "xls", "xlsx", "ppt", "pptx", "html", "htm", "txt", |
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// 压缩文件 |
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"rar", "zip", "gz", "bz2", |
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// 视频格式 |
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"mp4", "avi", "rmvb", |
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// pdf |
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"pdf" }; |
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public static String getExtension(String prefix) |
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{ |
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switch (prefix) |
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{ |
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case IMAGE_PNG: |
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return "png"; |
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case IMAGE_JPG: |
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return "jpg"; |
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case IMAGE_JPEG: |
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return "jpeg"; |
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case IMAGE_BMP: |
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return "bmp"; |
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case IMAGE_GIF: |
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return "gif"; |
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default: |
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return ""; |
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} |
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} |
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} |
