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 and Description
protected java.util.Stack<java.lang.String>	keys

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

charChecker, escape

Constructor Summary

Constructors

Constructor and Description
JsonHandlerMap(XPathContext context, int flags)

Method Summary

Modifier and Type	Method and Description
void	endArray() Close the current array
void	endMap() Close the current object/map
Sequence	getResult()
boolean	setKey(java.lang.String unEscaped, java.lang.String reEscaped) Set the key to be written for the next entry in an object/map
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(java.lang.String asString, double asDouble) Write a numeric value
void	writeString(java.lang.String val) Write a string value

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

getContext, handleInvalidCharacters, markAsEscaped, reEscape, setContext, setFallbackFunction

Methods inherited from class java.lang.Object

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

Field Detail

keys

protected java.util.Stack<java.lang.String> keys

Constructor Detail

JsonHandlerMap

public JsonHandlerMap(XPathContext context,
                      int flags)

Method Detail

getResult

public Sequence getResult()
                   throws XPathException

Overrides:

getResult in class JsonHandler

Throws:

XPathException

setKey

public boolean setKey(java.lang.String unEscaped,
                      java.lang.String reEscaped)

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

Overrides:

setKey in class JsonHandler

Parameters:

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

reEscaped - the key for the entry (null implies no key) in reescaped form. In this form special characters are represented as backslash-escaped sequences if the escape option is yes; if escape=no, the reEscaped form is the same as the unEscaped form.

Returns:

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

startArray

public void startArray()
                throws XPathException

Open a new array

Overrides:

startArray in class JsonHandler

Throws:

XPathException

endArray

public void endArray()
              throws XPathException

Close the current array

Overrides:

endArray in class JsonHandler

Throws:

XPathException

startMap

public void startMap()
              throws XPathException

Start a new object/map

Overrides:

startMap in class JsonHandler

Throws:

XPathException

endMap

public void endMap()
            throws XPathException

Close the current object/map

Overrides:

endMap in class JsonHandler

Throws:

XPathException

writeNumeric

public void writeNumeric(java.lang.String asString,
                         double asDouble)
                  throws XPathException

Write a numeric value

Overrides:

writeNumeric in class JsonHandler

Parameters:

asString - the string representation of the value

asDouble - the double representation of the value

Throws:

XPathException - if a dynamic error occurs

writeString

public void writeString(java.lang.String 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 a dynamic error occurs

writeNull

public void writeNull()
               throws XPathException

Write a null value

Overrides:

writeNull in class JsonHandler

Throws:

XPathException - if a dynamic error occurs