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## org.apache.xalan.templates
Class ElemUse

    java.lang.Object
      |
      +--org.apache.xml.utils.UnImplNode
            |
            +--org.apache.xalan.templates.ElemTemplateElement
                  |
                  +--org.apache.xalan.templates.ElemUse

Direct Known Subclasses:
  ElemAttributeSet, ElemCopy, ElemElement, ElemLiteralResult

public class ElemUse
extends ElemTemplateElement

**For advanced use only** Implement xsl:use. This acts as a superclass for ElemCopy, ElemAttributeSet, ElemElement, and ElemLiteralResult, on order to implement shared behavior the use-attribute-sets attribute.

See Also:
  attribute-sets in XSLT Specification, Serialized Form

Constructor Summary
`ElemUse()`

Method Summary
`void` | `applyAttrSets(TransformerImpl transformer, StylesheetRoot stylesheet)` Add the attributes from the named attribute sets to the attribute list.
`void` | `execute(TransformerImpl transformer)` Copy attributes specified by use-attribute-sets to the result tree.
`QName[]` | `getUseAttributeSets()` Get the "use-attribute-sets" attribute.
`void` | `setUseAttributeSets(QName[] v)` Set the "use-attribute-sets" attribute.
`void` | `setUseAttributeSets(java.util.Vector v)` Set the "use-attribute-sets" attribute.

Methods inherited from class org.apache.xalan.templates.ElemTemplateElement
`appendChild, appendChild, callVisitors, canAcceptVariables, canStripWhiteSpace, compareTo, compose, containsExcludeResultPrefix, endCompose, error, error, error, exprAddChild, exprGetChild, exprGetNumChildren, exprGetParent, exprSetParent, getBaseIdentifier, getChildNodes, getColumnNumber, getDeclaredPrefixes, getDOMBackPointer, getFirstChild, getFirstChildElem, getLastChild, getLastChildElem, getLength, getLineNumber, getLocalName, getNamespaceForPrefix, getNamespaceForPrefix, getNextSibling, getNextSiblingElem, getNodeName, getNodeType, getOwnerDocument, getOwnerXSLTemplate, getParentElem, getParentNode, getParentNodeElem, getPrefixes, getPreviousSibling, getPreviousSiblingElem, getPublicId, getStylesheet, getStylesheetComposed, getStylesheetRoot, getSystemId, getTagName, getUid, getXmlSpace, getXSLToken, handlesNullPrefixes, hasChildNodes, hasTextLitOnly, hasVariableDecl, insertBefore, isCompiledTemplate, item, recompose, removeChild, replaceChild, replaceChild, resolvePrefixTables, runtimeInit, setDOMBackPointer, setLocaterInfo, setParentElem, setPrefixes, setPrefixes, setUid, setXmlSpace, shouldStripWhiteSpace`

Methods inherited from class org.apache.xml.utils.UnImplNode
`adoptNode, appendData, cloneNode, createAttribute, createAttributeNS, createCDATASection, createComment, createDocumentFragment, createElement, createElementNS, createEntityReference, createProcessingInstruction, createTextNode, deleteData, getAttribute, getAttributeNode, getAttributeNodeNS, getAttributeNS, getAttributes, getDoctype, getDocumentElement, getElementById, getElementsByTagName, getElementsByTagNameNS, getEncoding, getImplementation, getNamespaceURI, getNodeValue, getOwnerElement, getPrefix, getSpecified, getStandalone, getStrictErrorChecking, getVersion, hasAttribute, hasAttributeNS, hasAttributes, importNode, insertData, isSupported, normalize, removeAttribute, removeAttributeNode, removeAttributeNS, removeChild, replaceData, setAttribute, setAttributeNode, setAttributeNodeNS, setAttributeNS, setData, setEncoding, setNodeValue, setPrefix, setStandalone, setStrictErrorChecking, setValue, setVersion, splitText, substringData`

Methods inherited from class java.lang.Object
`equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### ElemUse

    public ElemUse()

Method Detail

### setUseAttributeSets

    public void setUseAttributeSets(java.util.Vector v)

  Set the "use-attribute-sets" attribute. Attribute sets are used by specifying a use-attribute-sets attribute on xsl:element, xsl:copy (see [7.5 Copying]) or xsl:attribute-set elements. The value of the use-attribute-sets attribute is a whitespace-separated list of names of attribute sets. Each name is specified as a QName, which is expanded as described in [2.4 Qualified Names].
  Parameters:
    `v` - The value to set for the "use-attribute-sets" attribute.

### setUseAttributeSets

    public void setUseAttributeSets(QName[] v)

  Set the "use-attribute-sets" attribute. Attribute sets are used by specifying a use-attribute-sets attribute on xsl:element, xsl:copy (see [7.5 Copying]) or xsl:attribute-set elements. The value of the use-attribute-sets attribute is a whitespace-separated list of names of attribute sets. Each name is specified as a QName, which is expanded as described in [2.4 Qualified Names].
  Parameters:
    `v` - The value to set for the "use-attribute-sets" attribute.

### getUseAttributeSets

    public QName[] getUseAttributeSets()

  Get the "use-attribute-sets" attribute. Attribute sets are used by specifying a use-attribute-sets attribute on xsl:element, xsl:copy (see [7.5 Copying]) or xsl:attribute-set elements, or a xsl:use-attribute-sets attribute on Literal Result Elements. The value of the use-attribute-sets attribute is a whitespace-separated list of names of attribute sets. Each name is specified as a QName, which is expanded as described in [2.4 Qualified Names].
  Returns:
    The value of the "use-attribute-sets" attribute.

### applyAttrSets

    public void applyAttrSets(TransformerImpl transformer,
                              StylesheetRoot stylesheet)
                       throws TransformerException

  Add the attributes from the named attribute sets to the attribute list. TODO: Error handling for: "It is an error if there are two attribute sets with the same expanded-name and with equal import precedence and that both contain the same attribute unless there is a definition of the attribute set with higher import precedence that also contains the attribute."
  Parameters:
    `transformer` - non-null reference to the the current transform-time state.
    `stylesheet` - The owning root stylesheet
    `attributeSetsNames` - List of attribute sets names to apply
    `sourceNode` - non-null reference to the current source node.
    `mode` - reference, which may be null, to the current mode.
  Throws:
    TransformerException -

### execute

    public void execute(TransformerImpl transformer)
                 throws TransformerException

  Copy attributes specified by use-attribute-sets to the result tree. Specifying a use-attribute-sets attribute is equivalent to adding xsl:attribute elements for each of the attributes in each of the named attribute sets to the beginning of the content of the element with the use-attribute-sets attribute, in the same order in which the names of the attribute sets are specified in the use-attribute-sets attribute. It is an error if use of use-attribute-sets attributes on xsl:attribute-set elements causes an attribute set to directly or indirectly use itself.
  Parameters:
    `transformer` - non-null reference to the the current transform-time state.
    `sourceNode` - non-null reference to the current source node.
    `mode` - reference, which may be null, to the current mode.
  Throws:
    TransformerException -
  Overrides:
    execute in class ElemTemplateElement

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