org.apache.wiki.diff
Class DiffProvider.NullDiffProvider

java.lang.Object
  org.apache.wiki.diff.DiffProvider.NullDiffProvider

All Implemented Interfaces:

DiffProvider, WikiProvider

Enclosing interface:

DiffProvider

public static class DiffProvider.NullDiffProvider
extends Object
implements DiffProvider

If there is no diff provider set, this provider will work instead.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.wiki.diff.DiffProvider

DiffProvider.NullDiffProvider

Field Summary

Fields inherited from interface org.apache.wiki.WikiProvider

LATEST_VERSION

Constructor Summary

DiffProvider.NullDiffProvider()

Method Summary

String	getProviderInfo() Return a valid HTML string for information.
void	initialize(WikiEngine engine, Properties properties) Initializes the page provider.
String	makeDiffHtml(WikiContext ctx, String oldWikiText, String newWikiText) The return string is to be XHTML compliant ready to display html.

Methods inherited from class java.lang.Object

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

Constructor Detail

DiffProvider.NullDiffProvider

public DiffProvider.NullDiffProvider()

Method Detail

makeDiffHtml

public String makeDiffHtml(WikiContext ctx,
                           String oldWikiText,
                           String newWikiText)

The return string is to be XHTML compliant ready to display html. No further processing of this text will be done by the wiki engine.

Specified by:

makeDiffHtml in interface DiffProvider

Parameters:

ctx - The Wiki Context

oldWikiText - the old text

newWikiText - the new text

Returns:

An XHTML diff.

initialize

public void initialize(WikiEngine engine,
                       Properties properties)
                throws NoRequiredPropertyException,
                       IOException

Initializes the page provider.

Specified by:

initialize in interface WikiProvider

Parameters:

engine - WikiEngine to own this provider

properties - A set of properties used to initialize this provider

Throws:

NoRequiredPropertyException - If the provider needs a property which is not found in the property set

IOException - If there is an IO problem

getProviderInfo

public String getProviderInfo()

Return a valid HTML string for information. May be anything.

Specified by:

getProviderInfo in interface WikiProvider

Returns:

A string describing the provider.