org.mmbase.bridge.jsp.taglib
Class FieldInfoTag

java.lang.Object
  |
  +--javax.servlet.jsp.tagext.TagSupport
        |
        +--javax.servlet.jsp.tagext.BodyTagSupport
              |
              +--org.mmbase.bridge.jsp.taglib.ContextReferrerTag
                    |
                    +--org.mmbase.bridge.jsp.taglib.CloudReferrerTag
                          |
                          +--org.mmbase.bridge.jsp.taglib.NodeReferrerTag
                                |
                                +--org.mmbase.bridge.jsp.taglib.FieldReferrerTag
                                      |
                                      +--org.mmbase.bridge.jsp.taglib.FieldInfoTag

All Implemented Interfaces:

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

public class FieldInfoTag

extends FieldReferrerTag

implements Writer

The FieldInfoTag can be used as a child of a 'FieldProvider' to provide info about the field or fieldtype.

Version:

$Id: FieldInfoTag.java,v 1.53 2002/10/25 15:07:23 michiel Exp $

Author:

Michiel Meeuwissen, Jaco de Groot, Gerard van de Looi

See Also:

Serialized Form

Field Summary

protected WriterHelper

helper

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

FieldInfoTag()

Method Summary

java.lang.String	decode(java.lang.String value, Node n) decode and encode can be overriden.
int	doAfterBody()
int	doEndTag() Write the value of the fieldinfo.
int	doStartTag()
java.lang.String	encode(java.lang.String value, Field f)
java.lang.String	getOptions()
java.lang.String	getSessionName()
protected TypeHandler	getTypeHandler(int type) Answer the type handler for the given type.
java.lang.Object	getWriterValue() Subtags of 'Writer' tag can request the value.
void	haveBody() To be used by child tags.
void	setJspvar(java.lang.String j) JspVar to Create, and write to
void	setOptions(java.lang.String o)
void	setType(java.lang.String t)
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.FieldReferrerTag

findFieldProvider, getField, setField

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

findNodeProvider, findNodeProvider, getNode, setNode

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

findCloudProvider, findCloudProvider, getCloud, getCloudContext, getNode, getNodeOrNull, setCloud

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

helper

protected WriterHelper helper

Constructor Detail

FieldInfoTag

public FieldInfoTag()

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

getSessionName

public java.lang.String getSessionName()

setType

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

setOptions

public void setOptions(java.lang.String o)
                throws javax.servlet.jsp.JspTagException

getOptions

public java.lang.String getOptions()
                            throws javax.servlet.jsp.JspTagException

getTypeHandler

protected TypeHandler getTypeHandler(int type)

Answer the type handler for the given type. The type handler is responsible for showing the html

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

Write the value of the fieldinfo.

Overrides:

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

decode

public java.lang.String decode(java.lang.String value,
                               Node n)
                        throws javax.servlet.jsp.JspTagException

decode and encode can be overriden.

encode

public java.lang.String encode(java.lang.String value,
                               Field f)
                        throws javax.servlet.jsp.JspTagException