Package org.apache.nifi.web.client.api

Class StandardMultipartFormDataStreamBuilder

java.lang.Object

org.apache.nifi.web.client.api.StandardMultipartFormDataStreamBuilder

All Implemented Interfaces:

MultipartFormDataStreamBuilder

public class StandardMultipartFormDataStreamBuilder
extends Object
implements MultipartFormDataStreamBuilder

Standard implementation of Multipart Form Data Stream Builder supporting form-data as described in RFC 7578

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static final record	StandardMultipartFormDataStreamBuilder.MultipartHttpContentType
private static final record	StandardMultipartFormDataStreamBuilder.Part

Field Summary

Fields

Modifier and Type	Field	Description
private static final Pattern	ALLOWED_NAME_PATTERN
private final String	boundary
private static final String	BOUNDARY_FORMAT
private static final String	BOUNDARY_SEPARATOR
private static final String	CARRIAGE_RETURN_LINE_FEED
private static final String	CONTENT_DISPOSITION_HEADER
private static final String	CONTENT_TYPE_HEADER
private static final Charset	HEADERS_CHARACTER_SET
private static final String	MULTIPART_FORM_DATA_FORMAT
private final List<StandardMultipartFormDataStreamBuilder.Part>	parts

Constructor Summary

Constructors

Constructor	Description
StandardMultipartFormDataStreamBuilder()

Method Summary

Modifier and Type	Method	Description
MultipartFormDataStreamBuilder	addPart(String name, HttpContentType httpContentType, byte[] bytes)	Add Part with field name and byte array source
MultipartFormDataStreamBuilder	addPart(String name, HttpContentType httpContentType, InputStream inputStream)	Add Part with field name and stream source
InputStream	build()	Build Sequence Input Stream from collection of Form Data Parts formatted with boundaries
private String	getFooter(Iterator<StandardMultipartFormDataStreamBuilder.Part> selectedParts)
HttpContentType	getHttpContentType()	Get Content-Type Header value containing multipart/form-data with boundary
private String	getPartHeaders(StandardMultipartFormDataStreamBuilder.Part part)
private InputStream	getPartInputStream(StandardMultipartFormDataStreamBuilder.Part part, String footer)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

CONTENT_DISPOSITION_HEADER

private static final String CONTENT_DISPOSITION_HEADER

See Also:

• Constant Field Values

CONTENT_TYPE_HEADER

private static final String CONTENT_TYPE_HEADER

See Also:

• Constant Field Values

ALLOWED_NAME_PATTERN

private static final Pattern ALLOWED_NAME_PATTERN

CARRIAGE_RETURN_LINE_FEED

private static final String CARRIAGE_RETURN_LINE_FEED

See Also:

• Constant Field Values

BOUNDARY_SEPARATOR

private static final String BOUNDARY_SEPARATOR

See Also:

• Constant Field Values

BOUNDARY_FORMAT

private static final String BOUNDARY_FORMAT

See Also:

• Constant Field Values

MULTIPART_FORM_DATA_FORMAT

private static final String MULTIPART_FORM_DATA_FORMAT

See Also:

• Constant Field Values

HEADERS_CHARACTER_SET

private static final Charset HEADERS_CHARACTER_SET

boundary

private final String boundary

parts

private final List<StandardMultipartFormDataStreamBuilder.Part> parts

Constructor Details

StandardMultipartFormDataStreamBuilder

public StandardMultipartFormDataStreamBuilder()

Method Details

build

public InputStream build()

Build Sequence Input Stream from collection of Form Data Parts formatted with boundaries

Specified by:

build in interface MultipartFormDataStreamBuilder

Returns:

Input Stream

getHttpContentType

public HttpContentType getHttpContentType()

Get Content-Type Header value containing multipart/form-data with boundary

Specified by:

getHttpContentType in interface MultipartFormDataStreamBuilder

Returns:

Multipart HTTP Content-Type

addPart

public MultipartFormDataStreamBuilder addPart(String name,
 HttpContentType httpContentType,
 InputStream inputStream)

Add Part with field name and stream source

Specified by:

addPart in interface MultipartFormDataStreamBuilder

Parameters:

name - Name field of part to be added

httpContentType - Content-Type of part to be added

inputStream - Stream content of part to be added

Returns:

Builder

addPart

public MultipartFormDataStreamBuilder addPart(String name,
 HttpContentType httpContentType,
 byte[] bytes)

Add Part with field name and byte array source

Specified by:

addPart in interface MultipartFormDataStreamBuilder

Parameters:

name - Name field of part to be added

httpContentType - Content-Type of part to be added

bytes - Byte array content of part to be added

Returns:

Builder

getPartInputStream

private InputStream getPartInputStream(StandardMultipartFormDataStreamBuilder.Part part,
 String footer)

getPartHeaders

private String getPartHeaders(StandardMultipartFormDataStreamBuilder.Part part)

getFooter

private String getFooter(Iterator<StandardMultipartFormDataStreamBuilder.Part> selectedParts)