/**
* Indicates whether requested file path is an image. This is done by checking Mimetype of file
* via {@link MimeTypes} class, and by comparing file extension to a static list of extensions
* known to be videos.
*
* @param file File path
* @return {@code true} if file is video, {@code false} if not.
*/
public static boolean isVideoFile(String path) {
if (MimeTypes.Default != null)
if (MimeTypes.Default.getMimeType(path).startsWith("video/")) return true;
String ext = path.substring(path.lastIndexOf(".") + 1);
if (ext.equalsIgnoreCase("mp4")
|| ext.equalsIgnoreCase("3gp")
|| ext.equalsIgnoreCase("avi")
|| ext.equalsIgnoreCase("webm")
|| ext.equalsIgnoreCase("m4v")) return true;
return false;
}
/**
* Indicates whether requested file path is an image. This is done by comparing file extension to
* a static list of extensions known to be images.
*
* @param file File path
* @return {@code true} if file is image, {@code false} if not.
*/
public static boolean isImageFile(String file) {
String ext = file.substring(file.lastIndexOf(".") + 1);
if (MimeTypes.Default != null)
if (MimeTypes.Default.getMimeType(file).startsWith("image/")) return true;
if (ext.equalsIgnoreCase("png")
|| ext.equalsIgnoreCase("jpg")
|| ext.equalsIgnoreCase("jpeg")
|| ext.equalsIgnoreCase("gif")
|| ext.equalsIgnoreCase("tiff")
|| ext.equalsIgnoreCase("tif")) return true;
return false;
}
/**
* Indicates whether requested file path is "text". This is done by comparing file extension to a
* static list of extensions known to be text. If the file has no file extension, it is also
* considered to be text.
*
* @param file File path
* @return {@code true} if file is text, {@code false} if not.
*/
public static boolean isTextFile(String file) {
if (file == null) return false;
if (file.indexOf(".") == -1) return true;
file = file.substring(file.lastIndexOf("/") + 1);
String ext = file.substring(file.lastIndexOf(".") + 1);
if (MimeTypes.Default != null)
if (MimeTypes.Default.getMimeType(file).startsWith("text/")) return true;
if (ext.equalsIgnoreCase("txt")
|| ext.equalsIgnoreCase("php")
|| ext.equalsIgnoreCase("html")
|| ext.equalsIgnoreCase("htm")
|| ext.equalsIgnoreCase("xml")) return true;
return false;
}
/**
* Indicates mimetype of file.
*
* @see MimeTypes
*/
public String getMimeType() {
if (isDirectory()) return "x-directory/normal";
if (MimeTypes.Default != null) return MimeTypes.Default.getMimeType(getPath());
return "*/*";
}
