Package com.tagtraum.core.json

Class JSONContentHandler

java.lang.Object

com.tagtraum.core.json.JSONContentHandler

All Implemented Interfaces:

org.json.simple.parser.ContentHandler

Direct Known Subclasses:

LibraryJSONContentHandler

public class JSONContentHandler
extends Object
implements org.json.simple.parser.ContentHandler

A simplified and stoppable SAX-like content handler for stream processing of JSON text.

Author:

Hendrik Schreiber

Field Summary

Fields

Modifier and Type	Field	Description
static Map<Long,Long>	LONG_CACHE

Constructor Summary

Constructors

Constructor	Description
JSONContentHandler()

Method Summary

Modifier and Type	Method	Description
boolean	addObjectToContainer(Object object)	Overwrite this method to prevent an object to be added to its surrounding container.
boolean	endArray()
void	endJSON()
boolean	endObject()
boolean	endObjectEntry()
Object	getRoot()
Stack<Object>	getStack()
boolean	primitive(Object newObject)
boolean	processItem(Object object)	Overwrite this method to process specific objects.
boolean	startArray()
void	startJSON()
boolean	startObject()
boolean	startObjectEntry(String key)

Methods inherited from class java.lang.Object

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

Field Detail

LONG_CACHE

public static final Map<Long,Long> LONG_CACHE

Constructor Detail

JSONContentHandler

public JSONContentHandler()

Method Detail

getRoot

public Object getRoot()

getStack

public Stack<Object> getStack()

startJSON

public void startJSON()
               throws org.json.simple.parser.ParseException,
                      IOException

Specified by:

startJSON in interface org.json.simple.parser.ContentHandler

Throws:

org.json.simple.parser.ParseException

IOException

endJSON

public void endJSON()
             throws org.json.simple.parser.ParseException,
                    IOException

Specified by:

endJSON in interface org.json.simple.parser.ContentHandler

Throws:

org.json.simple.parser.ParseException

IOException

startObject

public boolean startObject()
                    throws org.json.simple.parser.ParseException,
                           IOException

Specified by:

startObject in interface org.json.simple.parser.ContentHandler

Throws:

org.json.simple.parser.ParseException

IOException

endObject

public boolean endObject()
                  throws org.json.simple.parser.ParseException,
                         IOException

Specified by:

endObject in interface org.json.simple.parser.ContentHandler

Throws:

org.json.simple.parser.ParseException

IOException

processItem

public boolean processItem(Object object)
                    throws org.json.simple.parser.ParseException,
                           IOException

Overwrite this method to process specific objects.

Parameters:

object - object

Returns:

false to abort further processing

Throws:

org.json.simple.parser.ParseException

IOException

addObjectToContainer

public boolean addObjectToContainer(Object object)

Overwrite this method to prevent an object to be added to its surrounding container. This can be useful for inline processing to preserve memory.

Parameters:

object - object

Returns:

false, if the given object should be added to the surrounding container.

startObjectEntry

public boolean startObjectEntry(String key)
                         throws org.json.simple.parser.ParseException,
                                IOException

Specified by:

startObjectEntry in interface org.json.simple.parser.ContentHandler

Throws:

org.json.simple.parser.ParseException

IOException

endObjectEntry

public boolean endObjectEntry()
                       throws org.json.simple.parser.ParseException,
                              IOException

Specified by:

endObjectEntry in interface org.json.simple.parser.ContentHandler

Throws:

org.json.simple.parser.ParseException

IOException

startArray

public boolean startArray()
                   throws org.json.simple.parser.ParseException,
                          IOException

Specified by:

startArray in interface org.json.simple.parser.ContentHandler

Throws:

org.json.simple.parser.ParseException

IOException

endArray

public boolean endArray()
                 throws org.json.simple.parser.ParseException,
                        IOException

Specified by:

endArray in interface org.json.simple.parser.ContentHandler

Throws:

org.json.simple.parser.ParseException

IOException

primitive

public boolean primitive(Object newObject)
                  throws org.json.simple.parser.ParseException,
                         IOException

Specified by:

primitive in interface org.json.simple.parser.ContentHandler

Throws:

org.json.simple.parser.ParseException

IOException