org.apache.xalan.templates

## Class ElemWhen

- java.lang.Object
- - org.apache.xml.utils.UnImplNode
  - - org.apache.xalan.templates.ElemTemplateElement
    - - org.apache.xalan.templates.ElemWhen

- All Implemented Interfaces:
    java.io.Serializable, SourceLocator, XSLTVisitable, PrefixResolver, ExpressionNode, WhitespaceStrippingElementMatcher, Document, Element, Node, NodeList

      public class ElemWhen
      extends ElemTemplateElement

  Implement xsl:when.

  See Also:
    XXX in XSLT Specification, Serialized Form
  Usage:
    **For advanced use only**

- - ### Field Summary

    - ### Fields inherited from interface org.w3c.dom.Node

      `ATTRIBUTE_NODE, CDATA_SECTION_NODE, COMMENT_NODE, DOCUMENT_FRAGMENT_NODE, DOCUMENT_NODE, DOCUMENT_POSITION_CONTAINED_BY, DOCUMENT_POSITION_CONTAINS, DOCUMENT_POSITION_DISCONNECTED, DOCUMENT_POSITION_FOLLOWING, DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC, DOCUMENT_POSITION_PRECEDING, DOCUMENT_TYPE_NODE, ELEMENT_NODE, ENTITY_NODE, ENTITY_REFERENCE_NODE, NOTATION_NODE, PROCESSING_INSTRUCTION_NODE, TEXT_NODE`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `ElemWhen()` Constructor ElemWhen

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `compose(StylesheetRoot sroot)` This function is called after everything else has been recomposed, and allows the template to set remaining values that may be based on some other property that depends on recomposition.
    `java.lang.String` | `getNodeName()` Return the node name.
    `XPath` | `getTest()` Get the "test" attribute.
    `int` | `getXSLToken()` Get an integer representation of the element type.
    `void` | `setTest(XPath v)` Set the "test" attribute.

    - ### Methods inherited from class org.apache.xalan.templates.ElemTemplateElement

      `appendChild, appendChild, callVisitors, canAcceptVariables, canStripWhiteSpace, compareTo, containsExcludeResultPrefix, endCompose, error, error, execute, exprAddChild, exprGetChild, exprGetNumChildren, exprGetParent, exprSetParent, getBaseIdentifier, getChildNodes, getColumnNumber, getDeclaredPrefixes, getDOMBackPointer, getEndColumnNumber, getEndLineNumber, getFirstChild, getFirstChildElem, getLastChild, getLastChildElem, getLength, getLineNumber, getLocalName, getNamespaceForPrefix, getNamespaceForPrefix, getNextSibling, getNextSiblingElem, getNodeType, getOwnerDocument, getOwnerXSLTemplate, getParentElem, getParentNode, getParentNodeElem, getPreviousSibling, getPreviousSiblingElem, getPublicId, getStylesheet, getStylesheetComposed, getStylesheetRoot, getSystemId, getTagName, getUid, getXmlSpace, handlesNullPrefixes, hasChildNodes, hasTextLitOnly, hasVariableDecl, insertBefore, isCompiledTemplate, item, recompose, removeChild, replaceChild, replaceChild, resolvePrefixTables, runtimeInit, setDOMBackPointer, setEndLocaterInfo, setLocaterInfo, setParentElem, setPrefixes, setPrefixes, setUid, setXmlSpace, shouldStripWhiteSpace`

    - ### Methods inherited from class org.apache.xml.utils.UnImplNode

      `adoptNode, appendData, cloneNode, compareDocumentPosition, createAttribute, createAttributeNS, createCDATASection, createComment, createDocumentFragment, createElement, createElementNS, createEntityReference, createProcessingInstruction, createTextNode, deleteData, getActualEncoding, getAttribute, getAttributeNode, getAttributeNodeNS, getAttributeNS, getAttributes, getBaseURI, getDoctype, getDocumentElement, getDocumentURI, getDomConfig, getElementById, getElementsByTagName, getElementsByTagNameNS, getFeature, getImplementation, getInputEncoding, getNamespaceURI, getNodeValue, getOwnerElement, getPrefix, getSchemaTypeInfo, getSpecified, getStrictErrorChecking, getTextContent, getUserData, getWholeText, getXmlEncoding, getXmlStandalone, getXmlVersion, hasAttribute, hasAttributeNS, hasAttributes, importNode, insertData, isDefaultNamespace, isEqualNode, isId, isSameNode, isSupported, isWhitespaceInElementContent, lookupNamespaceURI, lookupPrefix, normalize, normalizeDocument, removeAttribute, removeAttributeNode, removeAttributeNS, removeChild, renameNode, replaceData, replaceWholeText, setActualEncoding, setAttribute, setAttributeNode, setAttributeNodeNS, setAttributeNS, setData, setDocumentURI, setIdAttribute, setIdAttribute, setIdAttributeNode, setIdAttributeNS, setInputEncoding, setNodeValue, setPrefix, setStrictErrorChecking, setTextContent, setUserData, setValue, setXmlEncoding, setXmlStandalone, setXmlVersion, splitText, substringData`

    - ### Methods inherited from class java.lang.Object

      `equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### ElemWhen

          public ElemWhen()

      Constructor ElemWhen

  - ### Method Detail

    - #### setTest

          public void setTest(XPath v)

      Set the "test" attribute. Each xsl:when element has a single attribute, test, which specifies an expression.
      Parameters:
        `v` - Value to set for the "test" attribute.

    - #### getTest

          public XPath getTest()

      Get the "test" attribute. Each xsl:when element has a single attribute, test, which specifies an expression.
      Returns:
        Value of the "test" attribute.

    - #### getXSLToken

          public int getXSLToken()

      Get an integer representation of the element type.
      Overrides:
        `getXSLToken` in class `ElemTemplateElement`
      Returns:
        An integer representation of the element, defined in the Constants class.
      See Also:
        `Constants`

    - #### compose

          public void compose(StylesheetRoot sroot)
                       throws TransformerException

      This function is called after everything else has been recomposed, and allows the template to set remaining values that may be based on some other property that depends on recomposition.
      Overrides:
        `compose` in class `ElemTemplateElement`
      Throws:
        `TransformerException`

    - #### getNodeName

          public java.lang.String getNodeName()

      Return the node name.
      Specified by:
        `getNodeName` in interface `Node`
      Overrides:
        `getNodeName` in class `ElemTemplateElement`
      Returns:
        The node name

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