org.apache.velocity.app.event

Interface ReferenceInsertionEventHandler

All Superinterfaces:

EventHandler

All Known Implementing Classes:

EscapeHtmlReference, EscapeJavaScriptReference, EscapeReference, EscapeSqlReference, EscapeXmlReference, EventExample

public interface ReferenceInsertionEventHandler
extends EventHandler

Reference 'Stream insertion' event handler. Called with object that will be inserted into stream via value.toString(). Please return an Object that will toString() nicely :)

Version:

$Id: ReferenceInsertionEventHandler.java 1780734 2017-01-28 19:21:08Z cbrisson $

Author:

Will Glass-Husain, Geir Magnusson Jr.

Method Summary

Modifier and Type	Method and Description
Object	referenceInsert(Context context, String reference, Object value) A call-back which is executed during Velocity merge before a reference value is inserted into the output stream.

Method Detail

referenceInsert

Object referenceInsert(Context context,
                       String reference,
                       Object value)

A call-back which is executed during Velocity merge before a reference value is inserted into the output stream. All registered ReferenceInsertionEventHandlers are called in sequence. If no ReferenceInsertionEventHandlers are are registered then reference value is inserted into the output stream as is.

Parameters:

context - current context

reference - Reference from template about to be inserted.

value - Value about to be inserted (after its toString() method is called).

Returns:

Object on which toString() should be called for output.