org.apache.wiki.tags
Class InsertDiffTag

java.lang.Object
  javax.servlet.jsp.tagext.TagSupport
      org.apache.wiki.tags.WikiTagBase
          org.apache.wiki.tags.InsertDiffTag

All Implemented Interfaces:

Serializable, javax.servlet.jsp.tagext.IterationTag, javax.servlet.jsp.tagext.JspTag, javax.servlet.jsp.tagext.Tag, javax.servlet.jsp.tagext.TryCatchFinally

public class InsertDiffTag
extends WikiTagBase

Writes difference between two pages using a HTML table. If there is no difference, includes the body.

Attributes

• page - Page name to refer to. Default is the current page.

Since:

2.0

See Also:

Serialized Form

Field Summary

static String	ATTR_NEWVERSION Attribute which is used to store the new page content to the Page Context
static String	ATTR_OLDVERSION Attribute which is used to store the old page content to the Page Context
protected String	m_pageName

Fields inherited from class org.apache.wiki.tags.WikiTagBase

ATTR_CONTEXT, m_wikiContext

Fields inherited from class javax.servlet.jsp.tagext.TagSupport

id, pageContext

Fields inherited from interface javax.servlet.jsp.tagext.IterationTag

EVAL_BODY_AGAIN

Fields inherited from interface javax.servlet.jsp.tagext.Tag

EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE

Constructor Summary

InsertDiffTag()

Method Summary

int	doWikiStartTag() This method is allowed to do pretty much whatever he wants.
String	getPage() Gets the page name.
void	initTag() This method is called when the tag is encountered within a new request, but before the setXXX() methods are called.
void	setPage(String page) Sets the page name.

Methods inherited from class org.apache.wiki.tags.WikiTagBase

doCatch, doEndTag, doFinally, doStartTag, setId, setPageContext

Methods inherited from class javax.servlet.jsp.tagext.TagSupport

doAfterBody, findAncestorWithClass, getId, getParent, getValue, getValues, release, removeValue, setParent, setValue

Methods inherited from class java.lang.Object

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

Field Detail

ATTR_OLDVERSION

public static final String ATTR_OLDVERSION

Attribute which is used to store the old page content to the Page Context

See Also:

Constant Field Values

ATTR_NEWVERSION

public static final String ATTR_NEWVERSION

Attribute which is used to store the new page content to the Page Context

See Also:

Constant Field Values

m_pageName

protected String m_pageName

Constructor Detail

InsertDiffTag

public InsertDiffTag()

Method Detail

initTag

public void initTag()

This method is called when the tag is encountered within a new request, but before the setXXX() methods are called. The default implementation does nothing.

Overrides:

initTag in class WikiTagBase

setPage

public void setPage(String page)

Sets the page name.

Parameters:

page - Page to get diff from.

getPage

public String getPage()

Gets the page name.

Returns:

The page name.

doWikiStartTag

public final int doWikiStartTag()
                         throws IOException

This method is allowed to do pretty much whatever he wants. We then catch all mistakes.

Specified by:

doWikiStartTag in class WikiTagBase

Throws:

IOException