package com.jclark.xsl.dom;

import com.jclark.xsl.om.*;

class TextNode extends NodeBase {
  StringBuffer buf;
  String value;
  TextNode(org.w3c.dom.Node domNode,
	   ContainerNode parent,
	   int childIndex)
  {
    super(domNode, parent, childIndex);
  }

  public final byte getType() {
    return TEXT;
  }

  void merge(String value) {
    if (buf == null)
      buf = new StringBuffer(domNode.getNodeValue());
    buf.append(value);
  }

  public final String getData() {
    if (value == null) {
      if (buf != null)
	value = buf.toString();
      else
	value = domNode.getNodeValue();
    }
    return value;
  }
}