org.apache.nifi.web

Interface ViewableContent

public interface ViewableContent

Interface for obtaining content from the NiFi content repository.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	ViewableContent.DisplayMode

Field Summary

Fields

Modifier and Type	Field and Description
static String	CONTENT_REQUEST_ATTRIBUTE

Method Summary

Modifier and Type	Method and Description
String	getContent()
InputStream	getContentStream()
String	getContentType()
ViewableContent.DisplayMode	getDisplayMode()
String	getFileName()
String	getRawContentType()

Field Detail

CONTENT_REQUEST_ATTRIBUTE

static final String CONTENT_REQUEST_ATTRIBUTE

See Also:

Constant Field Values

Method Detail

getContentStream

InputStream getContentStream()

Returns:

stream to the viewable content. The data stream can only be read once so an extension can call this method or getContent

getContent

String getContent()
           throws IOException

Returns:

the content as a string. The data stream can only be read once so an extension can call this method or getContentStream

Throws:

IOException - if unable to read content

getDisplayMode

ViewableContent.DisplayMode getDisplayMode()

Returns:

the desired display mode. If the mode is Hex the framework will handle generating the mark up. The only values that an extension will see is Original or Formatted

getFileName

String getFileName()

Returns:

contents file name

getContentType

String getContentType()

Returns:

mime type of the content, value is lowercase and stripped of all parameters if there were any

getRawContentType

String getRawContentType()

Returns:

unchanged mime type of the content