org.cometd.server.filter
Class JSONDataFilter

java.lang.Object
  org.cometd.server.filter.JSONDataFilter

All Implemented Interfaces:

DataFilter

Direct Known Subclasses:

NoMarkupFilter, NoScriptsFilter, RegexFilter

public class JSONDataFilter
extends Object
implements DataFilter

JSONDataFilter walks an object to see if it is a JSON data structure and calls the appropriate protected method filterString(String), filterNumber(Number), filterBoolean(Boolean), filterArray(ServerSession, ServerChannel, Object) or filterMap(ServerSession, ServerChannel, Map).

Derived filters may override one or more of these methods to provide filtering of specific types.

Nested Class Summary

Nested classes/interfaces inherited from interface org.cometd.server.filter.DataFilter

DataFilter.Abort

Constructor Summary

JSONDataFilter()

Method Summary

Object	filter(ServerSession from, ServerChannel to, Object data)
protected Object	filterArray(ServerSession from, ServerChannel to, Object array)
protected Object	filterBoolean(Boolean bool)
protected Object	filterMap(ServerSession from, ServerChannel to, Map map)
protected Object	filterNumber(Number number)
protected Object	filterObject(ServerSession from, ServerChannel to, Object obj)
protected Object	filterString(String string)
void	init(Object init)

Methods inherited from class java.lang.Object

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

Constructor Detail

JSONDataFilter

public JSONDataFilter()

Method Detail

init

public void init(Object init)

filter

public Object filter(ServerSession from,
                     ServerChannel to,
                     Object data)

Specified by:

filter in interface DataFilter

Parameters:

from - the Client that sends the data

to - the channel the data is being sent to

data - the data being sent

Returns:

the transformed data or null if the message should be aborted

filterString

protected Object filterString(String string)

filterBoolean

protected Object filterBoolean(Boolean bool)

filterNumber

protected Object filterNumber(Number number)

filterArray

protected Object filterArray(ServerSession from,
                             ServerChannel to,
                             Object array)

filterMap

protected Object filterMap(ServerSession from,
                           ServerChannel to,
                           Map map)

filterObject

protected Object filterObject(ServerSession from,
                              ServerChannel to,
                              Object obj)