org.mmbase.bridge.jsp.taglib
Class WriterHelper

java.lang.Object
  |
  +--org.mmbase.bridge.jsp.taglib.WriterHelper

public class WriterHelper

extends java.lang.Object

Tags that are Writers can use the this class. It's a pitty that they can't extend, but that's life.

Author:

Michiel Meeuwissen

Field Summary

static boolean	IMPLICITLIST
static boolean	NOIMPLICITLIST

Constructor Summary

WriterHelper()

Method Summary

int	doEndTag() A basic doEndTag for Writers.
java.lang.String	getJspvar()
protected java.lang.String	getPageString() Returns a string which can be written to the page.
java.lang.String	getString()
java.lang.Object	getValue()
int	getVartype()
void	haveBody() To be called by subtags.
boolean	isWrite()
void	overrideWrite(boolean w) There is a default behavior for what should happen if the 'write' attribute is not set.
void	release()
void	setBodyContent(javax.servlet.jsp.tagext.BodyContent b)
void	setJspvar() Don't forget to call 'setValue' first!
void	setJspvar(javax.servlet.jsp.PageContext p)
void	setJspvar(java.lang.String j)
void	setPageContext(javax.servlet.jsp.PageContext p)
void	setValue(java.lang.Object v) Sets the vartype for this variable (used for jspvar as well as for taglib var).
void	setValue(java.lang.Object v, boolean noImplicitList)
void	setVartype(java.lang.String t)
void	setWrite(java.lang.Boolean w) For implementation of the write attribute.

Methods inherited from class java.lang.Object

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

Field Detail

NOIMPLICITLIST

public static boolean NOIMPLICITLIST

IMPLICITLIST

public static boolean IMPLICITLIST

Constructor Detail

WriterHelper

public WriterHelper()

Method Detail

setWrite

public void setWrite(java.lang.Boolean w)

For implementation of the write attribute.

overrideWrite

public void overrideWrite(boolean w)

There is a default behavior for what should happen if the 'write' attribute is not set. if you want to override this, then call this function.

isWrite

public boolean isWrite()

setJspvar

public void setJspvar(java.lang.String j)

getJspvar

public java.lang.String getJspvar()

setValue

public void setValue(java.lang.Object v)
              throws javax.servlet.jsp.JspTagException

Sets the vartype for this variable (used for jspvar as well as for taglib var). Some 'casting' functionality is present here.

setValue

public void setValue(java.lang.Object v,
                     boolean noImplicitList)
              throws javax.servlet.jsp.JspTagException

setBodyContent

public void setBodyContent(javax.servlet.jsp.tagext.BodyContent b)

setPageContext

public void setPageContext(javax.servlet.jsp.PageContext p)

getValue

public java.lang.Object getValue()

setJspvar

public void setJspvar(javax.servlet.jsp.PageContext p)
               throws javax.servlet.jsp.JspTagException

setJspvar

public void setJspvar()
               throws javax.servlet.jsp.JspTagException

Don't forget to call 'setValue' first!

setVartype

public void setVartype(java.lang.String t)
                throws javax.servlet.jsp.JspTagException

getVartype

public int getVartype()

getPageString

protected java.lang.String getPageString()
                                  throws javax.servlet.jsp.JspTagException

Returns a string which can be written to the page.

haveBody

public void haveBody()

To be called by subtags. Even if they don't produce output, they say that the tag had a body.

getString

public java.lang.String getString()

doEndTag

public int doEndTag()
             throws javax.servlet.jsp.JspTagException

A basic doEndTag for Writers. It decides if to write or not.

release

public void release()