org.apache.wiki.diff

Interface DifferenceManager

All Known Implementing Classes:

DefaultDifferenceManager

public interface DifferenceManager

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

Field Summary

Fields

Modifier and Type	Field and Description
static String	PROP_DIFF_PROVIDER Property value for storing a diff provider.

Method Summary

Modifier and Type	Method and 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.

Field Detail

PROP_DIFF_PROVIDER

static final String PROP_DIFF_PROVIDER

Property value for storing a diff provider. Value is "jspwiki.diffProvider".

See Also:

Constant Field Values

Method Detail

makeDiff

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

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

Parameters:

context - The Wiki Context

firstWikiText - The old text

secondWikiText - the new text

Returns:

XHTML, or empty string, if no difference detected.

getDiff

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!

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.