Package com.coreoz.plume.file.services.mimetype

Interface FileMimeTypeDetector

All Known Implementing Classes:
MimeTypesDetector
public interface FileMimeTypeDetector
Provide mime type detection for Plume File.

Default implementation uses the lightweight library mime-types. This implementation can be easily replaced by Apache Tika if needed (though the dependency is much bigger!).

  • Method Summary

    Modifier and Type
    Method
    Description
    String
    guessMimeType(String fileName, PeekingInputStream fileData)
    Find the corresponding mime type for the file name.

    Usage:

  • Method Details

    • guessMimeType

      @Nullable String guessMimeType(String fileName, PeekingInputStream fileData) throws IOException
      Find the corresponding mime type for the file name.

      Usage:
       
 InputStream fileStream = ... // First you need the initial file stream
 PeekingInputStream filePeekingStream = new PeekingInputStream(fileStream);
 String mimeType = guessMimeType(fileName, filePeekingStream);
 otherOperationsWithStream(filePeekingStream.peekedStream());
      Parameters:
      fileName - the file name
      fileData - The file input stream data wrapped inside a PeekingInputStream
      Returns:
      the mime type guessed, null if no one is found
      Throws:
      IOException - if the base input stream cannot be read