IContentTypeProvider

```
@StableMinor(version="14.0",
             sinceVersion="8.2")
public interface IContentTypeProvider
```
Provider responsible for defining the content type of a given file. Usually, this is called when a file is being added.

Since:

8.2.0

Version:

$Revision: 24477 $ $Date: 2021-04-28 11:30:36 -0300 (Wed, 28 Apr 2021) $

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`String`	`getContentType(String fileName, InputStream fileInputStream)`	Returns the content type for the given file. If no content type could be inferred, `null` should be returned.

- Method Detail
  - getContentType
```
String getContentType(String fileName,
                      InputStream fileInputStream)
               throws PortalException,
                      IOException
```
    Returns the content type for the given file.
    If no content type could be inferred, null should be returned. In this case, the portal will calculate the content type by using its default implementation.
    
    Parameters:
    
    fileName - the file name of the given file.
    
    fileInputStream - the file input stream of the given file. The stream will be closed by who called this method.
    
    Returns:
    
    the content type for the given file or null if no content type could be inferred.
    
    Throws:
    
    PortalException
    
    IOException
    
    Since:
    
    8.2.0