Devsphere.com


com.devsphere.xml.taglib.output.tag
Class Element

java.lang.Object
  |
  +--javax.servlet.jsp.tagext.TagSupport
        |
        +--javax.servlet.jsp.tagext.BodyTagSupport
              |
              +--com.devsphere.xml.taglib.support.tag.CommonSupport
                    |
                    +--com.devsphere.xml.taglib.output.tag.OutputSupport
                          |
                          +--com.devsphere.xml.taglib.output.tag.Element
All Implemented Interfaces:
javax.servlet.jsp.tagext.BodyTag, javax.servlet.jsp.tagext.IterationTag, java.io.Serializable, javax.servlet.jsp.tagext.Tag, javax.servlet.jsp.tagext.TryCatchFinally
Direct Known Subclasses:
End, Start

public class Element
extends OutputSupport

Handler for the <o:element> tag that outputs an XML element.

See Also:
Serialized Form

Field Summary
static java.util.List ALLOWED_ANCESTORS
           
 
Fields inherited from class com.devsphere.xml.taglib.output.tag.OutputSupport
ancestor, previousOut, serializer
 
Fields inherited from class com.devsphere.xml.taglib.support.tag.CommonSupport
cachedDebug, cachedLogger, DEBUG_ATTR, DEFAULT_DEBUG, DEFAULT_RESTORE_VALUE, DEFAULT_SCOPE, LOGGER_ATTR, originalValues
 
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
Element()
           
 
Method Summary
protected  void endOutput()
          Outputs the end tag of the element.
protected  java.util.List getAllowedAncestors()
          Returns the list of names of the tags that may contain the tag that is handled by this class.
 java.lang.String getTagName()
          Returns the name of the handled tag
protected  void init()
          Initializes the fields of this tag handler.
 void setAttr(java.lang.String attrExpr)
          Sets the attributes of the element.
 void setEmpty(java.lang.String emptyExpr)
          Sets a flag indicating if the produced element must be empty.
 void setName(java.lang.String nameExpr)
          Sets the name of the element.
 void setUri(java.lang.String uriExpr)
          Sets the namespace URI of the element, which will be the value of a XMLNS attribute.
protected  boolean shouldIgnoreContent()
          Returns the value of the empty flag.
protected  void startOutput()
          Outputs the start tag of the element.
 
Methods inherited from class com.devsphere.xml.taglib.output.tag.OutputSupport
doEndTag, doStartTag, emptyComment, initOutput, shouldBufferContent
 
Methods inherited from class com.devsphere.xml.taglib.support.tag.CommonSupport
checkVarName, checkVarScope, doCatch, doFinally, eval, evalBoolean, evalDouble, evalInt, evalString, export, export, getDebug, getLogger, log, log, log, restore, validate
 
Methods inherited from class javax.servlet.jsp.tagext.BodyTagSupport
doAfterBody, doInitBody, getBodyContent, getPreviousOut, release, setBodyContent
 
Methods inherited from class javax.servlet.jsp.tagext.TagSupport
findAncestorWithClass, getId, getParent, getValue, getValues, removeValue, setId, setPageContext, 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, setPageContext, setParent
 

Field Detail

ALLOWED_ANCESTORS

public static final java.util.List ALLOWED_ANCESTORS
Constructor Detail

Element

public Element()
Method Detail

init

protected void init()
Initializes the fields of this tag handler.

Overrides:
init in class OutputSupport

getTagName

public java.lang.String getTagName()
Returns the name of the handled tag

Specified by:
getTagName in class CommonSupport
Returns:
the name of the handled tag

getAllowedAncestors

protected java.util.List getAllowedAncestors()
Returns the list of names of the tags that may contain the tag that is handled by this class.

Specified by:
getAllowedAncestors in class CommonSupport
Returns:
the list of names of the allowed ancestor tags or null if the tag context doesn't matter.

setUri

public void setUri(java.lang.String uriExpr)
            throws javax.servlet.jsp.JspException
Sets the namespace URI of the element, which will be the value of a XMLNS attribute.

Parameters:
uriExpr - the expression that will be evaluated
Throws:
javax.servlet.jsp.JspException - to signal any error that might occur

setName

public void setName(java.lang.String nameExpr)
             throws javax.servlet.jsp.JspException
Sets the name of the element.

Parameters:
nameExpr - the expression that will be evaluated
Throws:
javax.servlet.jsp.JspException - to signal any error that might occur

setAttr

public void setAttr(java.lang.String attrExpr)
             throws javax.servlet.jsp.JspException
Sets the attributes of the element. The value of the evaluated expression is expected to be a org.xml.sax.helpers.AttributesImpl object or a list of names of variables. In the latter case, the attributes will have the names and values of the variables.

Parameters:
attrExpr - the expression that will be evaluated
Throws:
javax.servlet.jsp.JspException - to signal any error that might occur

setEmpty

public void setEmpty(java.lang.String emptyExpr)
              throws javax.servlet.jsp.JspException
Sets a flag indicating if the produced element must be empty.

Parameters:
emptyExpr - the expression that will be evaluated
Throws:
javax.servlet.jsp.JspException - to signal any error that might occur

shouldIgnoreContent

protected boolean shouldIgnoreContent()
Returns the value of the empty flag.

Overrides:
shouldIgnoreContent in class OutputSupport
Returns:
a flag indicating whether the body content of this tag should be ignored or evaluated

startOutput

protected void startOutput()
                    throws javax.servlet.jsp.JspException,
                           org.xml.sax.SAXException
Outputs the start tag of the element.

Specified by:
startOutput in class OutputSupport
Throws:
javax.servlet.jsp.JspException - to signal an error
org.xml.sax.SAXException - to signal an error

endOutput

protected void endOutput()
                  throws javax.servlet.jsp.JspException,
                         org.xml.sax.SAXException
Outputs the end tag of the element.

Specified by:
endOutput in class OutputSupport
Throws:
javax.servlet.jsp.JspException - to signal an error
org.xml.sax.SAXException - to signal an error

 Devsphere.com