Identity MIME type of a file

This code will help to find the mime type of a file : download the complete code mimetype.java

a code snippet from mimetype.java :

 
public String getMimeType(String fileName) throws Exception
 
{
 
header =  readHeader(this.fileName);
 
String mime = new String("unknown");
 
if(!(mime=isDocument(header) ).equals("unknown") )
 
{
 
return mime;
 
}
 
else if(!(mime=isText(header)) .equals("unknown") )
 
{
 
return mime;
 
}
 
else if (!(mime = isHtml (header)).equals ("unknown"))
 
{
 
return mime;
 
}
 
else if (!(mime = isVideo (header)).equals ("unknown"))
 
{
 
return mime;
 
}
 
else if(!(mime=isImage( header)) .equals("unknown") )
 
{
 
return mime;
 
}
 
return mime;
 
}