org.mmbase.bridge.jsp.taglib
Class CountRelationsTag

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.CountRelationsTag
All Implemented Interfaces:
javax.servlet.jsp.tagext.BodyTag, javax.servlet.jsp.tagext.IterationTag, java.io.Serializable, javax.servlet.jsp.tagext.Tag, Writer

public class CountRelationsTag
extends NodeReferrerTag
implements Writer

The CountRelationsTag can be used as a child of a 'NodeProvider' tag to show the number of relations the node has.

Author:
Jaco de Groot, Michiel Meeuwissen
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
CountRelationsTag()
           
 
Method Summary
 int doAfterBody()
           
 int doEndTag()
           
 int doStartTag()
           
 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 setType(java.lang.String type)
          Set the type of related nodes wich should be counted.
 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.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

CountRelationsTag

public CountRelationsTag()
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

setType

public void setType(java.lang.String type)
             throws javax.servlet.jsp.JspTagException
Set the type of related nodes wich should be counted. If not set all related nodes are counted.

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


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