Package net.sf.saxon.ma.json

Class JsonHandlerMap

java.lang.Object

net.sf.saxon.ma.json.JsonHandler

net.sf.saxon.ma.json.JsonHandlerMap

public class JsonHandlerMap
extends JsonHandler

Event handler for the JSON parser which constructs a structure of maps and arrays representing the content of the JSON text.

Field Summary

Fields

Modifier and Type	Field	Description
protected Stack<UnicodeString>	keys

Fields inherited from class net.sf.saxon.ma.json.JsonHandler

charChecker, escape

Constructor Summary

Constructors

Constructor	Description
JsonHandlerMap(XPathContext context, JsonParser parser, int flags)

Method Summary

Modifier and Type	Method	Description
void	endArray()	Close the current array
void	endMap()	Close the current object/map
Sequence	getResult()
boolean	setKey(UnicodeString key)	Set the key to be written for the next entry in an object/map
void	setNullRepresentation(GroundedValue representation)
void	startArray()	Open a new array
void	startMap()	Start a new object/map
void	writeBoolean(boolean value)	Write a boolean value
void	writeNull()	Write a null value
void	writeNumeric(String asString, Item parsedValue)	Write a numeric value
void	writeString(UnicodeString val)	Write a string value

Methods inherited from class net.sf.saxon.ma.json.JsonHandler

getContext, getFallbackFunction, markAsEscaped, setContext, setFallbackFunction

Methods inherited from class java.lang.Object

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

Field Details

keys

protected Stack<UnicodeString> keys

Constructor Details

JsonHandlerMap

public JsonHandlerMap(XPathContext context,
 JsonParser parser,
 int flags)

Method Details

setNullRepresentation

public void setNullRepresentation(GroundedValue representation)

getResult

public Sequence getResult()

Overrides:

getResult in class JsonHandler

setKey

public boolean setKey(UnicodeString key)

Set the key to be written for the next entry in an object/map

Overrides:

setKey in class JsonHandler

Parameters:

key - the key for the entry (null implies no key) in unescaped form (backslashes, if present, do not signal an escape sequence)

Returns:

true if the key is already present in the map, false if it is not

startArray

public void startArray()

Open a new array

Overrides:

startArray in class JsonHandler

endArray

public void endArray()
              throws XPathException

Close the current array

Overrides:

endArray in class JsonHandler

Throws:

XPathException - if any error occurs

startMap

public void startMap()

Start a new object/map

Overrides:

startMap in class JsonHandler

endMap

public void endMap()
            throws XPathException

Close the current object/map

Overrides:

endMap in class JsonHandler

Throws:

XPathException - if any error occurs

writeNumeric

public void writeNumeric(String asString,
 Item parsedValue)
                  throws XPathException

Write a numeric value

Overrides:

writeNumeric in class JsonHandler

Parameters:

asString - the string representation of the value

parsedValue - the double representation of the value

Throws:

XPathException - if any error occurs

writeString

public void writeString(UnicodeString val)
                 throws XPathException

Write a string value

Overrides:

writeString in class JsonHandler

Parameters:

val - The string to be written (which may or may not contain JSON escape sequences, according to the options that were set)

Throws:

XPathException - if a dynamic error occurs

writeBoolean

public void writeBoolean(boolean value)
                  throws XPathException

Write a boolean value

Overrides:

writeBoolean in class JsonHandler

Parameters:

value - the boolean value to be written

Throws:

XPathException - if any error occurs

writeNull

public void writeNull()
               throws XPathException

Write a null value

Overrides:

writeNull in class JsonHandler

Throws:

XPathException - if any error occurs