Class ImageFileContentDescriber

Method Details

• getSupportedOptions

  public QualifiedName[] getSupportedOptions()

  Returns the properties supported by this describer.

  Specified by:

  getSupportedOptions in interface IContentDescriber

  Returns:

  the supported properties

  See Also:

  • IContentDescriber.describe(java.io.InputStream, org.eclipse.core.runtime.content.IContentDescription)

• describe

  public int describe(InputStream contents, IContentDescription description) throws IOException

  Tries to fill a description for the given contents. Returns an int indicating whether the given stream of bytes represents a valid sample for its corresponding content type. If no content description is provided, this method should perform content type validation.

  The input stream must be kept open, and any IOExceptions while reading the stream should flow to the caller.

  Specified by:

  describe in interface IContentDescriber

  Parameters:

  contents - the contents to be examined

  description - a description to be filled in, or null if only content type validation is to be performed

  Returns:

  one of the following:

  • VALID,
  • INVALID,
  • INDETERMINATE

  Throws:

  IOException - if an I/O error occurs

  See Also:

  • IContentDescription
  • IContentDescriber.VALID
  • IContentDescriber.INVALID
  • IContentDescriber.INDETERMINATE