{

/**

* The main method.

*

* @param args the arguments

* @throws XmlDocumentParseException the xml document parse exception

* @throws IOException Signals that an I/O exception has occurred.

* @throws JDOMException the jDOM exception

*/

public static void main (String[] args) throws XmlDocumentParseException, IOException, JDOMException

{

File file = new File ("test/simple.xml");

TreeDocument document = new TreeDocument (XmlTools.readDocument (file),

file.toURI ());

System.out.println ("this is the document:");

System.out.println ();

System.out.println (DocumentTools.printPrettySubDoc (document.getRoot ()));

System.out.println ();

System.out.println ("--- 8< --- 8< --- 8< --- 8< --- 8< --- 8< ---");

System.out.println ();

System.out.println ("There are " + document.getNumNodes ()

+ " nodes in this tree");

System.out.println ();

System.out.println ("--- 8< --- 8< --- 8< --- 8< --- 8< --- 8< ---");

System.out.println ();

// get all subtrees (i.e. nodes rooting these trees) ordered by size,

// biggest first:

TreeNode[] subTrees = document.getSubtreesBySize ();

System.out.println ("path to subtrees ordered by size:");

for (TreeNode node : subTrees)

System.out.println ("\t" + node.getXPath ());

System.out.println ();

System.out.println ("--- 8< --- 8< --- 8< --- 8< --- 8< --- 8< ---");

System.out.println ();

// get the root of the tree

DocumentNode root = document.getRoot ();

System.out.println ("tag name of root is: " + root.getTagName ());

System.out.println ();

System.out.println ("--- 8< --- 8< --- 8< --- 8< --- 8< --- 8< ---");

System.out.println ();

// get the node with id="messagetwo"

// and print the number of nodes below this node

DocumentNode semsNode = document.getNodeById ("messagetwo");

System.out.println ("#nodes below messagetwo-node: "

+ semsNode.getSizeSubtree ());

System.out.println ();

System.out.println ("--- 8< --- 8< --- 8< --- 8< --- 8< --- 8< ---");

System.out.println ();

// get the first node having a tag name of "example"

// and print the level of its parent

DocumentNode node = document.getNodesByTag ("content").get (0);

System.out.println ("level of parent of first <content> node: "

+ node.getParent ().getLevel ());

System.out.println ("The whole subtree below this <content> node:");

System.out.println (DocumentTools.printPrettySubDoc (node));

System.out.println ();

System.out.println ("--- 8< --- 8< --- 8< --- 8< --- 8< --- 8< ---");

System.out.println ();

// compare two trees

TreeDocument document2 = new TreeDocument (XmlTools.readDocument (new File (

"test/simple.xml")), null);

// same document -> should be true

System.out.println ("document2.equals (document) ? "

+ (document2.equals (document)));

TreeDocument document3 = new TreeDocument (XmlTools.readDocument (new File (

"test/mathml.xml")), null);

// different document -> most likely false

System.out.println ("document3.equals (document) ? "

+ (document3.equals (document)));

System.out.println ();

System.out.println ("--- 8< --- 8< --- 8< --- 8< --- 8< --- 8< ---");

}