jakarta.faces.context

Class PartialResponseWriter

java.lang.Object

java.io.Writer

jakarta.faces.context.ResponseWriter

jakarta.faces.context.ResponseWriterWrapper

jakarta.faces.context.PartialResponseWriter

All Implemented Interfaces:

FacesWrapper<ResponseWriter>, Closeable, Flushable, Appendable, AutoCloseable

public class PartialResponseWriter
extends ResponseWriterWrapper

PartialResponseWriter decorates an existing ResponseWriter to support the generation of a partial response suitable for Ajax operations. In addition to the markup generation methods inherited from jakarta.faces.context.ResponseWriter, this class provides methods for constructing the standard partial response elements.

Since:

2.0

Field Summary

Fields

Modifier and Type	Field and Description
static String	RENDER_ALL_MARKER Reserved ID value to indicate entire ViewRoot.
static String	VIEW_STATE_MARKER Reserved ID value to indicate serialized ViewState.

Fields inherited from class java.io.Writer

lock

Constructor Summary

Constructors

Constructor and Description
PartialResponseWriter(ResponseWriter writer) Create a PartialResponseWriter.

Method Summary

Modifier and Type	Method and Description
void	delete(String targetId) Write a delete operation.
void	endDocument() Write the end of a partial response.
void	endError() Write the end of an error.
void	endEval() Write the end of an eval operation.
void	endExtension() Write the end of an extension operation.
void	endInsert() Write the end of an insert operation.
void	endUpdate() Write the end of an update operation.
void	redirect(String url) Write a redirect operation.
void	startDocument() Write the start of a partial response.
void	startError(String errorName) Write the start of an error.
void	startEval() Write the start of an eval operation.
void	startExtension(Map<String,String> attributes) Write the start of an extension operation.
void	startInsertAfter(String targetId) Write the start of an insert operation where the contents will be inserted after the specified target node.
void	startInsertBefore(String targetId) Write the start of an insert operation where the contents will be inserted before the specified target node.
void	startUpdate(String targetId) Write the start of an update operation.
void	updateAttributes(String targetId, Map<String,String> attributes) Write an attribute update operation.

Methods inherited from class jakarta.faces.context.ResponseWriterWrapper

cloneWithWriter, close, endCDATA, endElement, flush, getCharacterEncoding, getContentType, getWrapped, startCDATA, startElement, write, writeAttribute, writeComment, writeDoctype, writePreamble, writeText, writeText, writeText, writeURIAttribute

Methods inherited from class java.io.Writer

append, append, append, write, write, write, write

Methods inherited from class java.lang.Object

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

Field Detail

RENDER_ALL_MARKER

public static final String RENDER_ALL_MARKER

Reserved ID value to indicate entire ViewRoot.

Since:

2.0

See Also:

Constant Field Values

VIEW_STATE_MARKER

public static final String VIEW_STATE_MARKER

Reserved ID value to indicate serialized ViewState.

Since:

2.0

See Also:

Constant Field Values

Constructor Detail

PartialResponseWriter

public PartialResponseWriter(ResponseWriter writer)

Create a PartialResponseWriter.

Parameters:

writer - The writer to wrap.

Since:

2.0

Method Detail

startDocument

public void startDocument()
                   throws IOException

Write the start of a partial response.

If UIViewRoot is an instance of NamingContainer, then write UIComponent.getContainerClientId(FacesContext) as value of the id attribute of the root element.

Overrides:

startDocument in class ResponseWriterWrapper

Throws:

IOException - if an input/output error occurs

Since:

2.0

See Also:

ResponseWriter.startDocument()

endDocument

public void endDocument()
                 throws IOException

Write the end of a partial response.

Overrides:

endDocument in class ResponseWriterWrapper

Throws:

IOException - if an input/output error occurs

Since:

2.0

See Also:

ResponseWriter.endDocument()

startInsertBefore

public void startInsertBefore(String targetId)
                       throws IOException

Write the start of an insert operation where the contents will be inserted before the specified target node.

Parameters:

targetId - ID of the node insertion should occur before

Throws:

IOException - if an input/output error occurs

Since:

2.0

startInsertAfter

public void startInsertAfter(String targetId)
                      throws IOException

Write the start of an insert operation where the contents will be inserted after the specified target node.

Parameters:

targetId - ID of the node insertion should occur after

Throws:

IOException - if an input/output error occurs

Since:

2.0

endInsert

public void endInsert()
               throws IOException

Write the end of an insert operation.

Throws:

IOException - if an input/output error occurs

Since:

2.0

startUpdate

public void startUpdate(String targetId)
                 throws IOException

Write the start of an update operation.

Parameters:

targetId - ID of the node to be updated

Throws:

IOException - if an input/output error occurs

Since:

2.0

endUpdate

public void endUpdate()
               throws IOException

Write the end of an update operation.

Throws:

IOException - if an input/output error occurs

Since:

2.0

updateAttributes

public void updateAttributes(String targetId,
                             Map<String,String> attributes)
                      throws IOException

Write an attribute update operation.

Parameters:

targetId - ID of the node to be updated

attributes - Map of attribute name/value pairs to be updated

Throws:

IOException - if an input/output error occurs

Since:

2.0

delete

public void delete(String targetId)
            throws IOException

Write a delete operation.

Parameters:

targetId - ID of the node to be deleted

Throws:

IOException - if an input/output error occurs

Since:

2.0

redirect

public void redirect(String url)
              throws IOException

Write a redirect operation.

Parameters:

url - URL to redirect to

Throws:

IOException - if an input/output error occurs

Since:

2.0

startEval

public void startEval()
               throws IOException

Write the start of an eval operation.

Throws:

IOException - if an input/output error occurs

Since:

2.0

endEval

public void endEval()
             throws IOException

Write the end of an eval operation.

Throws:

IOException - if an input/output error occurs

Since:

2.0

startExtension

public void startExtension(Map<String,String> attributes)
                    throws IOException

Write the start of an extension operation.

Parameters:

attributes - String name/value pairs for extension element attributes

Throws:

IOException - if an input/output error occurs

Since:

2.0

endExtension

public void endExtension()
                  throws IOException

Write the end of an extension operation.

Throws:

IOException - if an input/output error occurs

Since:

2.0

startError

public void startError(String errorName)
                throws IOException

Write the start of an error.

Parameters:

errorName - Descriptive string for the error

Throws:

IOException - if an input/output error occurs

Since:

2.0

endError

public void endError()
              throws IOException

Write the end of an error.

Throws:

IOException - if an input/output error occurs

Since:

2.0