Java TransformerImpl.getSerializationHandler方法代码示例

import org.apache.xalan.transformer.TransformerImpl; //导入方法依赖的package包/类
/**
 * Construct a node in the result tree.  This method is overloaded by 
 * xsl:attribute. At this class level, this method creates an element.
 *
 * @param nodeName The name of the node, which may be null.
 * @param prefix The prefix for the namespace, which may be null.
 * @param nodeNamespace The namespace of the node, which may be null.
 * @param transformer non-null reference to the the current transform-time state.
 * @param sourceNode non-null reference to the <a href="http://www.w3.org/TR/xslt#dt-current-node">current source node</a>.
 * @param mode reference, which may be null, to the <a href="http://www.w3.org/TR/xslt#modes">current mode</a>.
 *
 * @throws TransformerException
 */
void constructNode(
        String nodeName, String prefix, String nodeNamespace, TransformerImpl transformer)
          throws TransformerException
{

  if(null != nodeName && nodeName.length() > 0)
  {
    SerializationHandler rhandler = transformer.getSerializationHandler();

    // Evaluate the value of this attribute
    String val = transformer.transformToString(this);
    try 
    {
      // Let the result tree handler add the attribute and its String value.
      String localName = QName.getLocalPart(nodeName);
      if(prefix != null && prefix.length() > 0){
          rhandler.addAttribute(nodeNamespace, localName, nodeName, "CDATA", val, true);
      }else{
          rhandler.addAttribute("", localName, nodeName, "CDATA", val, true);
      }
    }
    catch (SAXException e)
    {
    }
  }
}
 

import org.apache.xalan.transformer.TransformerImpl; //导入方法依赖的package包/类
/**
 * The xsl:copy element provides an easy way of copying the current node.
 * Executing this function creates a copy of the current node into the
 * result tree.
 * <p>The namespace nodes of the current node are automatically
 * copied as well, but the attributes and children of the node are not
 * automatically copied. The content of the xsl:copy element is a
 * template for the attributes and children of the created node;
 * the content is instantiated only for nodes of types that can have
 * attributes or children (i.e. root nodes and element nodes).</p>
 * <p>The root node is treated specially because the root node of the
 * result tree is created implicitly. When the current node is the
 * root node, xsl:copy will not create a root node, but will just use
 * the content template.</p>
 *
 * @param transformer non-null reference to the the current transform-time state.
 *
 * @throws TransformerException
 */
public void execute(
        TransformerImpl transformer)
          throws TransformerException
{
              XPathContext xctxt = transformer.getXPathContext();
    
  try
  {
    int sourceNode = xctxt.getCurrentNode();
    xctxt.pushCurrentNode(sourceNode);
    DTM dtm = xctxt.getDTM(sourceNode);
    short nodeType = dtm.getNodeType(sourceNode);

    if ((DTM.DOCUMENT_NODE != nodeType) && (DTM.DOCUMENT_FRAGMENT_NODE != nodeType))
    {
      SerializationHandler rthandler = transformer.getSerializationHandler();

      // TODO: Process the use-attribute-sets stuff
      ClonerToResultTree.cloneToResultTree(sourceNode, nodeType, dtm, 
                                           rthandler, false);

      if (DTM.ELEMENT_NODE == nodeType)
      {
        super.execute(transformer);
        SerializerUtils.processNSDecls(rthandler, sourceNode, nodeType, dtm);
        transformer.executeChildTemplates(this, true);
        
        String ns = dtm.getNamespaceURI(sourceNode);
        String localName = dtm.getLocalName(sourceNode);
        transformer.getResultTreeHandler().endElement(ns, localName,
                                                      dtm.getNodeName(sourceNode));
      }
    }
    else
    {
      super.execute(transformer);
      transformer.executeChildTemplates(this, true);
    }
  }
  catch(org.xml.sax.SAXException se)
  {
    throw new TransformerException(se);
  }
  finally
  {
    xctxt.popCurrentNode();
  }
}