Package org.apache.wiki.diff

Class DefaultDifferenceManager

java.lang.Object

org.apache.wiki.diff.DefaultDifferenceManager

All Implemented Interfaces:

DifferenceManager

public class DefaultDifferenceManager
extends Object
implements DifferenceManager

Load, initialize and delegate to the DiffProvider that will actually do the work.

Field Summary

Fields inherited from interface org.apache.wiki.diff.DifferenceManager

PROP_DIFF_PROVIDER

Constructor Summary

Constructors

Constructor	Description
DefaultDifferenceManager(Engine engine, Properties props)	Creates a new DifferenceManager for the given engine.

Method Summary

Modifier and Type	Method	Description
String	getDiff(Context context, int version1, int version2)	Returns a diff of two versions of a page.
String	makeDiff(Context context, String firstWikiText, String secondWikiText)	Returns valid XHTML string to be used in any way you please.

Methods inherited from class java.lang.Object

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

Constructor Details

DefaultDifferenceManager

public DefaultDifferenceManager(Engine engine,
 Properties props)

Creates a new DifferenceManager for the given engine.

Parameters:

engine - The Engine.

props - A set of properties.

Method Details

makeDiff

public String makeDiff(Context context,
 String firstWikiText,
 String secondWikiText)

Returns valid XHTML string to be used in any way you please.

Specified by:

makeDiff in interface DifferenceManager

Parameters:

context - The Wiki Context

firstWikiText - The old text

secondWikiText - the new text

Returns:

XHTML, or empty string, if no difference detected.

getDiff

public String getDiff(Context context,
 int version1,
 int version2)

Returns a diff of two versions of a page.

Note that the API was changed in 2.6 to provide a WikiContext object!

Specified by:

getDiff in interface DifferenceManager

Parameters:

context - The WikiContext of the page you wish to get a diff from

version1 - Version number of the old page. If WikiPageProvider.LATEST_VERSION (-1), then uses current page.

version2 - Version number of the new page. If WikiPageProvider.LATEST_VERSION (-1), then uses current page.

Returns:

A HTML-ized difference between two pages. If there is no difference, returns an empty string.