Пример #1
0
 /**
  * Converts the XML to Tree * is used to represent an empty string # is used for an empty list
  * These escape charectors will get removed from the file and will not effect the content of the
  * Tree.
  *
  * @param node
  * @return
  */
 private static Tree xmlToTree(Node node) {
   NodeList nl = node.getChildNodes();
   Node firstChild = nl.item(0);
   if (nl.getLength() > 0 && firstChild instanceof Text) {
     String text = ((Text) firstChild).getWholeText();
     if (text.charAt(0) == STRING_ESCAPE) {
       return new Tree(text.substring(1));
     } else if (text.charAt(0) == TREE_ESCAPE) {
       return new Tree();
     } else {
       return new Tree(text);
     }
   }
   Tree t = new Tree();
   for (int i = 0; i < nl.getLength(); i++)
     t.add(new Tree.Entry(nl.item(i).getNodeName(), xmlToTree(nl.item(i))));
   return t;
 }
Пример #2
0
 /**
  * Change a tree to a XML document. * is used to represent an empty string # is used for an empty
  * list These escape charactors will get added to the XML file and when reading gets taken out.
  * They will not have any effects on the contents of the XML file.
  *
  * @param tree
  * @param doc
  * @param node
  */
 private static void treeToDOC(Tree tree, Document doc, Node node) {
   if (tree.isLeaf()) {
     String value = tree.value();
     if (value.length() == 0
         || value.charAt(0) == STRING_ESCAPE
         || value.charAt(0) == TREE_ESCAPE) {
       value = STRING_ESCAPE + value;
     }
     node.appendChild(doc.createTextNode(value));
   } else {
     if (tree.size() > 0) {
       for (Tree.Entry t : tree.children()) {
         Node n = doc.createElement(t.name());
         treeToDOC(t.tree(), doc, n);
         node.appendChild(n);
       }
     } else {
       node.appendChild(doc.createTextNode("" + TREE_ESCAPE));
     }
   }
 }
Пример #3
0
 /**
  * A helper method which calls tree.fromString(str).
  *
  * @param str
  * @return
  * @throws ParseException
  */
 public Tree treeFromString(String str) throws ParseException {
   return Tree.fromString(str);
 }
Пример #4
0
 /**
  * A helper method which calls tree.toString()
  *
  * @param tree
  * @return tree.toString()
  */
 public static String treeToString(Tree tree) {
   return tree.toString();
 }