com.rt.web.util.WebConst Maven / Gradle / Ivy
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package com.rt.web.util;
import com.rt.core.constant.RTConst;
import com.rt.core.util.RTUtil;
import java.util.HashMap;
import java.util.Map;
/**
* 常量类
*/
public class WebConst extends RTConst {
public static final String JPG = "jpg";
public static final String JPEG = "jpeg";
public static final String PNG = "png";
public static final String GIF = "gif";
public static final String MP4 = "mp4";
public static final String CONTENT_TYPE_APPLICATION_OCTETSTREAM = "application/octet-stream";
public static final String CONTENT_TYPE_JPG = "image/jpg";
public static final String CONTENT_TYPE_JPEG = "image/jpeg";
public static final String CONTENT_TYPE_PNG = "image/png";
public static final String CONTENT_TYPE_GIF = "image/gif";
public static final String CONTENT_TYPE_MP4 = "video/mp4";
private static final Map CONTENT_TYPE_MAP = new HashMap();
static {
CONTENT_TYPE_MAP.put(JPG, CONTENT_TYPE_JPG);
CONTENT_TYPE_MAP.put(PNG, CONTENT_TYPE_PNG);
CONTENT_TYPE_MAP.put(GIF, CONTENT_TYPE_GIF);
CONTENT_TYPE_MAP.put(JPEG, CONTENT_TYPE_JPEG);
CONTENT_TYPE_MAP.put(MP4, CONTENT_TYPE_MP4);
}
public static void putContentType(String extName, String contentType) {
CONTENT_TYPE_MAP.put(extName, contentType);
}
public static final String getContentType(String extName) {
if (RTUtil.isEmpty(extName)) {
return null;
}
return (String) CONTENT_TYPE_MAP.get(extName);
}
}