org.mmbase.bridge.jsp.taglib
Class WriteTag

java.lang.Object
  |
  +--javax.servlet.jsp.tagext.TagSupport
        |
        +--javax.servlet.jsp.tagext.BodyTagSupport
              |
              +--org.mmbase.bridge.jsp.taglib.ContextReferrerTag
                    |
                    +--org.mmbase.bridge.jsp.taglib.WriteTag

All Implemented Interfaces:

javax.servlet.jsp.tagext.BodyTag, javax.servlet.jsp.tagext.IterationTag, java.io.Serializable, javax.servlet.jsp.tagext.Tag, Writer

Direct Known Subclasses:

ImportTag

public class WriteTag

extends ContextReferrerTag

implements Writer

The writetag can take a variable from the context and put it in a jsp variable, or write it to the page. This is also more or less the simplest possible implemententation of a 'Writer' tag.

Author:

Michiel Meeuwissen

See Also:

Serialized Form

Field Summary

static java.lang.String	COOKIE_PATH
protected WriterHelper	helper
static int	MAX_COOKIE_AGE

Fields inherited from class org.mmbase.bridge.jsp.taglib.ContextReferrerTag

contextId, PAGE_CATEGORY, pageContextTag, referid, writerid

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

bodyContent

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

id, pageContext

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

EVAL_BODY_BUFFERED, EVAL_BODY_TAG

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

WriteTag()

Method Summary

int	doAfterBody()
int	doEndTag()
int	doStartTag()
protected java.lang.Object	getObject()
java.lang.Object	getWriterValue() Subtags of 'Writer' tag can request the value.
void	haveBody() To be used by child tags.
void	setCookie(java.lang.String s)
void	setJspvar(java.lang.String j) JspVar to Create, and write to
void	setSession(java.lang.String s)
void	setValue(java.lang.String v)
void	setVartype(java.lang.String t) Type of the jspvar.
void	setWrite(java.lang.String w) Wether to write to page or not.

Methods inherited from class org.mmbase.bridge.jsp.taglib.ContextReferrerTag

findParentTag, findParentTag, findWriter, findWriter, getAttributeBoolean, getAttributeInteger, getAttributeInteger, getAttributeValue, getContextTag, getObject, getReferid, getString, release, setContext, setPageContext, setReferid, setWriter

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

doInitBody, getBodyContent, getPreviousOut, setBodyContent

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

findAncestorWithClass, getId, getParent, getValue, getValues, removeValue, setId, setParent, setValue

Methods inherited from class java.lang.Object

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

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

getParent, setParent

Field Detail

MAX_COOKIE_AGE

public static int MAX_COOKIE_AGE

COOKIE_PATH

public static java.lang.String COOKIE_PATH

helper

protected WriterHelper helper

Constructor Detail

WriteTag

public WriteTag()

Method Detail

setVartype

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

Description copied from interface: Writer

Type of the jspvar.

Specified by:

setVartype in interface Writer

setJspvar

public void setJspvar(java.lang.String j)

Description copied from interface: Writer

JspVar to Create, and write to

Specified by:

setJspvar in interface Writer

setWrite

public void setWrite(java.lang.String w)
              throws javax.servlet.jsp.JspTagException

Description copied from interface: Writer

Wether to write to page or not. This has to default to 'false' if the tag has a body, and to 'true' if it hasn't.

Specified by:

setWrite in interface Writer

getWriterValue

public java.lang.Object getWriterValue()

Description copied from interface: Writer

Subtags of 'Writer' tag can request the value.

Specified by:

getWriterValue in interface Writer

haveBody

public void haveBody()

Description copied from interface: Writer

To be used by child tags. If they are present, they say to the writer tag that it has body, which it can use to determine a default for the write property.

Specified by:

haveBody in interface Writer

setSession

public void setSession(java.lang.String s)
                throws javax.servlet.jsp.JspTagException

setCookie

public void setCookie(java.lang.String s)
               throws javax.servlet.jsp.JspTagException

setValue

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

getObject

protected java.lang.Object getObject()
                              throws javax.servlet.jsp.JspTagException

doStartTag

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

Overrides:

doStartTag in class javax.servlet.jsp.tagext.BodyTagSupport

doAfterBody

public int doAfterBody()
                throws javax.servlet.jsp.JspException

Overrides:

doAfterBody in class javax.servlet.jsp.tagext.BodyTagSupport

doEndTag

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

Overrides:

doEndTag in class javax.servlet.jsp.tagext.BodyTagSupport