[Pfc-prolog-cvs] prolix/src/org/asturlinux/frade/prolix/web/servlets SvgGenerator.java,1.6,1.7

[<iva...@us...>]

Update of /cvsroot/pfc-prolog/prolix/src/org/asturlinux/frade/prolix/web/servlets
In directory sc8-pr-cvs1:/tmp/cvs-serv6216

Modified Files:
	SvgGenerator.java 
Log Message:
Fixed some words at spanish. Now traslated to english - Passed astyle

Index: SvgGenerator.java
===================================================================
RCS file: /cvsroot/pfc-prolog/prolix/src/org/asturlinux/frade/prolix/web/servlets/SvgGenerator.java,v
retrieving revision 1.6
retrieving revision 1.7
diff -C2 -d -r1.6 -r1.7
*** SvgGenerator.java	22 Aug 2003 11:31:39 -0000	1.6
--- SvgGenerator.java	11 Sep 2003 16:41:15 -0000	1.7
***************
*** 34,94 ****
       * return nodes with "name" that have an "attribute" with defined "value"
       */
!     private Node[] search(Node root, String name, 
! 			  String attribute, String value)
!     {
! 	Vector results = new Vector();
  
! 	// Pass root element
! 	if (root.getNodeType() == Node.DOCUMENT_NODE)
! 	    root = ((Document)root).getDocumentElement();
! 	
! 	NodeList children = root.getChildNodes();
! 	for ( int i = 0 ; i < children.getLength() ; i++)
! 	    {
! 		
! 		Node currentNode = children.item(i);
! 		int nodeType = currentNode.getNodeType();
! 		if (nodeType == Node.ELEMENT_NODE &&
! 		    currentNode.getNodeName().equals(name) &&
! 		    currentNode.hasAttributes())
! 		    {
! 			NamedNodeMap attMap = currentNode.getAttributes();
! 			Node attrib = attMap.getNamedItem(attribute);
! 			if (attrib != null &&
! 			    attrib.getNodeValue().equals(value))
! 			    results.add(currentNode);
! 		    }
! 	    } //for
! 	//Not found
! 	return (Node [])results.toArray(new Node[results.size()]);
      }
  
  
!     private Node searchNodeByNumber(Node root, String number)
!     {
          if (root.getNodeType() == Node.DOCUMENT_NODE)
! 	    root = ((Document)root).getDocumentElement();
! 	
! 	NodeList children = root.getChildNodes();
! 	for ( int i = 0 ; i < children.getLength() ; i++ ) 
! 	    {
! 		Node currentNode = children.item(i);
! 		int nodeType = currentNode.getNodeType();
! 		if (nodeType == Node.ELEMENT_NODE &&
! 		    (currentNode.getNodeName().equals("node") ||
! 		     currentNode.getNodeName().equals("solution"))&&
! 		    currentNode.hasAttributes()) 
! 		    {
! 			NamedNodeMap attMap = currentNode.getAttributes();
! 			Node attribute = attMap.getNamedItem("number");
! 			if (attribute != null &&
! 			    attribute.getNodeValue().equals(number))
! 			    return currentNode;
! 		    }
! 	    }
! 	// not found
! 	return null;
      }
!     
      /** ********************************
       *     Draw methods
--- 34,88 ----
       * return nodes with "name" that have an "attribute" with defined "value"
       */
!     private Node[] search(Node root, String name,
!                           String attribute, String value) {
!         Vector results = new Vector();
  
!         // Pass root element
!         if (root.getNodeType() == Node.DOCUMENT_NODE)
!             root = ((Document)root).getDocumentElement();
! 
!         NodeList children = root.getChildNodes();
!         for ( int i = 0 ; i < children.getLength() ; i++) {
! 
!             Node currentNode = children.item(i);
!             int nodeType = currentNode.getNodeType();
!             if (nodeType == Node.ELEMENT_NODE &&
!                     currentNode.getNodeName().equals(name) &&
!                     currentNode.hasAttributes()) {
!                 NamedNodeMap attMap = currentNode.getAttributes();
!                 Node attrib = attMap.getNamedItem(attribute);
!                 if (attrib != null &&
!                         attrib.getNodeValue().equals(value))
!                     results.add(currentNode);
!             }
!         } //for
!         //Not found
!         return (Node [])results.toArray(new Node[results.size()]);
      }
  
  
!     private Node searchNodeByNumber(Node root, String number) {
          if (root.getNodeType() == Node.DOCUMENT_NODE)
!             root = ((Document)root).getDocumentElement();
! 
!         NodeList children = root.getChildNodes();
!         for ( int i = 0 ; i < children.getLength() ; i++ ) {
!             Node currentNode = children.item(i);
!             int nodeType = currentNode.getNodeType();
!             if (nodeType == Node.ELEMENT_NODE &&
!                     (currentNode.getNodeName().equals("node") ||
!                      currentNode.getNodeName().equals("solution"))&&
!                     currentNode.hasAttributes()) {
!                 NamedNodeMap attMap = currentNode.getAttributes();
!                 Node attribute = attMap.getNamedItem("number");
!                 if (attribute != null &&
!                         attribute.getNodeValue().equals(number))
!                     return currentNode;
!             }
!         }
!         // not found
!         return null;
      }
! 
      /** ********************************
       *     Draw methods
***************
*** 102,328 ****
      public static final String solutionNodeColor = "#d8d600";
  
!     private Dimension mySize(Node node)
!     {
! 	Dimension result = new Dimension(nodeSizeX,nodeSizeY);
! 	if (node.getAttributes() == null)
! 	    return result;
! 	
! 	if (node.getNodeName().equals("solution"))
! 	    {
! 		//Node[] subst = filterSubstitutionNodes(node.getChildNodes());
! 		//int numberOfSubst = subst.length;
! 		return result;
! 	    }
  
! 	Node label = node.getAttributes().getNamedItem("label");
! 	if (label != null)
! 	    {
! 		String text = label.getNodeValue();
! 		int thisNodeXSize = Math.max(text.length() * 7, nodeSizeX);
! 		result.width = thisNodeXSize;
! 	    }
! 	return result;
      }
  
!     private Dimension drawNode(Node raiz, String number, 
! 				       Point leftTopCorner, 
! 				       Writer output)
!     {
! 	Node result = searchNodeByNumber(raiz,number);
! 	
! 	//System.out.println("Looking for transitions");
! 	Node[] transitions = search(raiz,"transition","origin",number);
  
! 	Dimension boundingBox = new Dimension(0,0);
! 	int childYBaseLine = leftTopCorner.y + marginY + nodeSizeY;
  
! 	Vector childBoxes = new Vector();
! 	for (int i = 0; i < transitions.length ; i++)
! 	    {
! 		String destiny = transitions[i].getAttributes().getNamedItem("destiny").getNodeValue();
! 		Point childPoint = new Point(leftTopCorner.x + boundingBox.width, 
! 					     childYBaseLine);
! 		Dimension currentChildBoundingBox =
! 		    drawNode(raiz,destiny,childPoint,output);
! 		childBoxes.add(new NodeDrawData(childPoint,currentChildBoundingBox));
! 		boundingBox.width += currentChildBoundingBox.width + marginX;
! 		boundingBox.height = Math.max(boundingBox.height,
! 					      currentChildBoundingBox.height);
! 	    }
  
! 	boundingBox.width = Math.max(boundingBox.width,
! 				     mySize(result).width);
! 	boundingBox.height += nodeSizeY + marginY;
  
! 	//	System.out.println("Aqui pinto la cajita");
! 	Point nodePoint = new Point((boundingBox.width - marginX)/2 
! 				    + leftTopCorner.x
! 				    , leftTopCorner.y );
  
  
- 	NodeDrawData[] destinations = (NodeDrawData[])childBoxes.toArray(new NodeDrawData[childBoxes.size()]); 
- 	for (int i = 0; i < destinations.length ; i++)
- 	    {
- 		imprimirTransicion(nodePoint,destinations[i],output);
- 	    }
- 	imprimirNodo(result,nodePoint,output);
  
! 	return boundingBox;
      }
  
!     private void imprimirTransicion(Point origen, NodeDrawData destino, Writer output)
!     {
! 	try
! 	    {
! 		output.write("<path d=\"M " 
! 			     + origen.x // + currentNodeSizeX / 2
! 			     + " " + (origen.y+nodeSizeY) 
! 			     + " L " 
! 			     + (destino.origin.x + destino.size.width/2)
! 			     + " " + destino.origin.y + "\" \n");
! 		output.write("id=\"" + idGenerator.createTransitionId() 
! 			     + "\"\n");
! 		output.write("style=\"fill:none;fill-rule:evenodd;stroke:black;"
! 			     + "stroke-opacity:1;stroke-width:0.5pt;stroke-linejoin:" 
! 			     + "miter;stroke-linecap:butt;fill-opacity:1;\"/>");
! 	    }
! 	catch (IOException e) {
! 		System.out.println("Error writing transition");
! 	    }
      }
  
      private void printConventionalNode(Node node, Point leftTopPoint,
! 				       Writer output)
!     {
! 	try {
  
! 	    int currentNodeSizeX = mySize(node).width;
! 	    //the poing i receive is really de middle of boundingBox
! 	output.write("<rect \n " 
! 		     + "  width=\"" + currentNodeSizeX + "\" \n"
! 		     + "  height=\"" + nodeSizeY + "\" \n"
! 		     + "  x=\"" + (leftTopPoint.x - (currentNodeSizeX / 2)) + "\" \n"
! 		     + "  y=\"" + leftTopPoint.y + "\" \n"
! 		     + "  id=\""+node.getAttributes().getNamedItem("number").getNodeValue()+"\" \n"
! 		     + "  style=\"fill:" + conventionalNodeColor 
! 		     + ";fill-opacity:1;\" " 
! 		     + "  /> \n");
  
! 	Node label = node.getAttributes().getNamedItem("label"); 
! 	if (label != null)
! 	    output.write("<text \n"
! 			 + " x=\"" + (leftTopPoint.x - currentNodeSizeX/2.5) + "\" \n"
! 			 + " y=\"" + (leftTopPoint.y + nodeSizeY/2 ) + "\" \n"
! 			 + " id=\"" + idGenerator.createTextId()
! 			 + "\">\n"
! 			 + "   <tspan id=\"" + idGenerator.createTextId()
! 			 + "\" >\n    "
! 			 + label.getNodeValue()
! 			 + "\n   </tspan>\n"
! 			 + "</text>");
  
- 	} catch (IOException e) {
- 	    System.out.println("Error writing Node");
- 	}
- 	
      }
  
!     private Node[] filterSubstitutionNodes(NodeList original)
!     {
! 	Vector results = new Vector();
! 	int elements = original.getLength();
! 	for (int i = 0; i < elements; i++) {
! 	    Node currentNode = original.item(i);
! 	    int nodeType = currentNode.getNodeType();
! 	    if (nodeType == Node.ELEMENT_NODE &&
! 		currentNode.getNodeName().equals("substitution"))
! 		results.add(currentNode);
! 	}
! 	return (Node [])results.toArray(new Node[results.size()]);
      }
  
      private void printSolutionNode(Node node, Point leftTopPoint,
! 				   Writer output)
!     {
! 	try
! 	    {
  
! 		int currentNodeSizeX = mySize(node).width;
  
! 	output.write("<rect \n " 
! 		     + "  width=\"" + currentNodeSizeX + "\" \n"
! 		     + "  height=\"" + nodeSizeY + "\" \n"
! 		     + "  x=\"" + (leftTopPoint.x - (currentNodeSizeX / 2)) + "\" \n"
! 		     + "  y=\"" + leftTopPoint.y + "\" \n"
! 		     + "  id=\"" +node.getAttributes().getNamedItem("number").getNodeValue()+"\" \n"
! 		     + "  style=\"fill:" + solutionNodeColor 
! 		     +";fill-opacity:1;\" " 
! 		     + "  /> \n");
  
! 	Node[] subst = filterSubstitutionNodes(node.getChildNodes());
! 	int numberOfSubst = subst.length;
  
- 	float substYPoint = leftTopPoint.y + nodeSizeY/2;
- 	for (int i = 0; i < numberOfSubst;  i++)
- 	    {
- 		output.write("<text \n"
- 			     + " x=\"" + (leftTopPoint.x - currentNodeSizeX/2.5) + "\" \n"
- 			     + " y=\"" + (substYPoint + 12*i) + "\" \n"
- 			     + " id=\"" + idGenerator.createTextId()
- 			     + "\">\n"
- 			     + "   <tspan id=\"" + idGenerator.createTextId()
- 			     + "\" >\n    "
- 			 + subst[i].getAttributes().getNamedItem("variable").getNodeValue()
- 			     + " : "
- 			     + subst[i].getAttributes().getNamedItem("value").getNodeValue()
- 			     + "\n   </tspan>\n"
- 			     + "</text>");
- 	    }
- 	    } catch (IOException io) {
- 		System.out.println("Error writing Solution node");
- 	    }
- 	
      }
  
      // And the refactoring winner is...
!     private void imprimirNodo(Node node, Point leftTopPoint, 
! 			      Writer output)
!     {
! 	//System.out.println("En el punto (" + leftTopPoint.x + ","
! 	//		   + leftTopPoint.y + ") imprimo el nodo " 
! 	//		   + node.getNodeName());
! 	//   + node.getAttributes().getNamedItem("number").getNodeValue());
  
! 	if (node.getNodeName().equals("solution"))
! 	    printSolutionNode(node, leftTopPoint, output);
! 	else
! 	    printConventionalNode(node, leftTopPoint, output);
      }
  
!     /** 
       *  Aux methods
       ***/
  
      private String svgInit(int height, int width)
! 	throws IOException
!     {
! 	StringWriter w = new StringWriter();
! 	w.write("<?xml version=\"1.0\" "
! 		+ "encoding=\"UTF-8\" standalone=\"no\"?>\n" 
! 		+ "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 20010904//EN\"\n"
! 		+ "\"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd\">\n");
! 	
! 	w.write("<svg xmlns=\"http://www.w3.org/2000/svg\"\n "
! 		+ " xmlns:xlink=\"http://www.w3.org/1999/xlink\"\n "
! 		+ " version=\"1\"\n " 
! 		+ " x=\"30\" y=\"30\"\n "
! 		+ " height=\"" + height + "\" width=\"" + width + "\"> \n");
! 	return w.toString();
      }
!     
      private String svgEnd()
! 	throws IOException
!     {
! 	return new String("\n</svg>\n");
      }
  
--- 96,305 ----
      public static final String solutionNodeColor = "#d8d600";
  
!     private Dimension mySize(Node node) {
!         Dimension result = new Dimension(nodeSizeX,nodeSizeY);
!         if (node.getAttributes() == null)
!             return result;
  
!         if (node.getNodeName().equals("solution")) {
!             //Node[] subst = filterSubstitutionNodes(node.getChildNodes());
!             //int numberOfSubst = subst.length;
!             return result;
!         }
! 
!         Node label = node.getAttributes().getNamedItem("label");
!         if (label != null) {
!             String text = label.getNodeValue();
!             int thisNodeXSize = Math.max(text.length() * 7, nodeSizeX);
!             result.width = thisNodeXSize;
!         }
!         return result;
      }
  
!     private Dimension drawNode(Node raiz, String number,
!                                Point leftTopCorner,
!                                Writer output) {
!         Node result = searchNodeByNumber(raiz,number);
  
!         //System.out.println("Looking for transitions");
!         Node[] transitions = search(raiz,"transition","origin",number);
  
!         Dimension boundingBox = new Dimension(0,0);
!         int childYBaseLine = leftTopCorner.y + marginY + nodeSizeY;
  
!         Vector childBoxes = new Vector();
!         for (int i = 0; i < transitions.length ; i++) {
!             String destiny = transitions[i].getAttributes().getNamedItem("destiny").getNodeValue();
!             Point childPoint = new Point(leftTopCorner.x + boundingBox.width,
!                                          childYBaseLine);
!             Dimension currentChildBoundingBox =
!                 drawNode(raiz,destiny,childPoint,output);
!             childBoxes.add(new NodeDrawData(childPoint,currentChildBoundingBox));
!             boundingBox.width += currentChildBoundingBox.width + marginX;
!             boundingBox.height = Math.max(boundingBox.height,
!                                           currentChildBoundingBox.height);
!         }
  
!         boundingBox.width = Math.max(boundingBox.width,
!                                      mySize(result).width);
!         boundingBox.height += nodeSizeY + marginY;
  
+         //	System.out.println("Aqui pinto la cajita");
+         Point nodePoint = new Point((boundingBox.width - marginX)/2
+                                     + leftTopCorner.x
+                                     , leftTopCorner.y );
  
  
!         NodeDrawData[] destinations = (NodeDrawData[])childBoxes.toArray(new NodeDrawData[childBoxes.size()]);
!         for (int i = 0; i < destinations.length ; i++) {
!             printTransition(nodePoint,destinations[i],output);
!         }
!         printNode(result,nodePoint,output);
! 
!         return boundingBox;
      }
  
!     private void printTransition(Point origen, NodeDrawData destino, Writer output) {
!         try {
!             output.write("<path d=\"M "
!                          + origen.x // + currentNodeSizeX / 2
!                          + " " + (origen.y+nodeSizeY)
!                          + " L "
!                          + (destino.origin.x + destino.size.width/2)
!                          + " " + destino.origin.y + "\" \n");
!             output.write("id=\"" + idGenerator.createTransitionId()
!                          + "\"\n");
!             output.write("style=\"fill:none;fill-rule:evenodd;stroke:black;"
!                          + "stroke-opacity:1;stroke-width:0.5pt;stroke-linejoin:"
!                          + "miter;stroke-linecap:butt;fill-opacity:1;\"/>");
!         } catch (IOException e) {
!             System.out.println("Error writing transition");
!         }
      }
  
      private void printConventionalNode(Node node, Point leftTopPoint,
!                                        Writer output) {
!         try {
  
!             int currentNodeSizeX = mySize(node).width;
!             //the poing i receive is really de middle of boundingBox
!             output.write("<rect \n "
!                          + "  width=\"" + currentNodeSizeX + "\" \n"
!                          + "  height=\"" + nodeSizeY + "\" \n"
!                          + "  x=\"" + (leftTopPoint.x - (currentNodeSizeX / 2)) + "\" \n"
!                          + "  y=\"" + leftTopPoint.y + "\" \n"
!                          + "  id=\""+node.getAttributes().getNamedItem("number").getNodeValue()+"\" \n"
!                          + "  style=\"fill:" + conventionalNodeColor
!                          + ";fill-opacity:1;\" "
!                          + "  /> \n");
  
!             Node label = node.getAttributes().getNamedItem("label");
!             if (label != null)
!                 output.write("<text \n"
!                              + " x=\"" + (leftTopPoint.x - currentNodeSizeX/2.5) + "\" \n"
!                              + " y=\"" + (leftTopPoint.y + nodeSizeY/2 ) + "\" \n"
!                              + " id=\"" + idGenerator.createTextId()
!                              + "\">\n"
!                              + "   <tspan id=\"" + idGenerator.createTextId()
!                              + "\" >\n    "
!                              + label.getNodeValue()
!                              + "\n   </tspan>\n"
!                              + "</text>");
! 
!         } catch (IOException e) {
!             System.out.println("Error writing Node");
!         }
  
      }
  
!     private Node[] filterSubstitutionNodes(NodeList original) {
!         Vector results = new Vector();
!         int elements = original.getLength();
!         for (int i = 0; i < elements; i++) {
!             Node currentNode = original.item(i);
!             int nodeType = currentNode.getNodeType();
!             if (nodeType == Node.ELEMENT_NODE &&
!                     currentNode.getNodeName().equals("substitution"))
!                 results.add(currentNode);
!         }
!         return (Node [])results.toArray(new Node[results.size()]);
      }
  
      private void printSolutionNode(Node node, Point leftTopPoint,
!                                    Writer output) {
!         try {
  
!             int currentNodeSizeX = mySize(node).width;
  
!             output.write("<rect \n "
!                          + "  width=\"" + currentNodeSizeX + "\" \n"
!                          + "  height=\"" + nodeSizeY + "\" \n"
!                          + "  x=\"" + (leftTopPoint.x - (currentNodeSizeX / 2)) + "\" \n"
!                          + "  y=\"" + leftTopPoint.y + "\" \n"
!                          + "  id=\"" +node.getAttributes().getNamedItem("number").getNodeValue()+"\" \n"
!                          + "  style=\"fill:" + solutionNodeColor
!                          +";fill-opacity:1;\" "
!                          + "  /> \n");
  
!             Node[] subst = filterSubstitutionNodes(node.getChildNodes());
!             int numberOfSubst = subst.length;
! 
!             float substYPoint = leftTopPoint.y + nodeSizeY/2;
!             for (int i = 0; i < numberOfSubst;  i++) {
!                 output.write("<text \n"
!                              + " x=\"" + (leftTopPoint.x - currentNodeSizeX/2.5) + "\" \n"
!                              + " y=\"" + (substYPoint + 12*i) + "\" \n"
!                              + " id=\"" + idGenerator.createTextId()
!                              + "\">\n"
!                              + "   <tspan id=\"" + idGenerator.createTextId()
!                              + "\" >\n    "
!                              + subst[i].getAttributes().getNamedItem("variable").getNodeValue()
!                              + " : "
!                              + subst[i].getAttributes().getNamedItem("value").getNodeValue()
!                              + "\n   </tspan>\n"
!                              + "</text>");
!             }
!         } catch (IOException io) {
!             System.out.println("Error writing Solution node");
!         }
  
      }
  
      // And the refactoring winner is...
!     private void printNode(Node node, Point leftTopPoint,
!                               Writer output) {
!         //System.out.println("En el punto (" + leftTopPoint.x + ","
!         //		   + leftTopPoint.y + ") imprimo el nodo "
!         //		   + node.getNodeName());
!         //   + node.getAttributes().getNamedItem("number").getNodeValue());
  
!         if (node.getNodeName().equals("solution"))
!             printSolutionNode(node, leftTopPoint, output);
!         else
!             printConventionalNode(node, leftTopPoint, output);
      }
  
!     /**
       *  Aux methods
       ***/
  
      private String svgInit(int height, int width)
!     throws IOException {
!         StringWriter w = new StringWriter();
!         w.write("<?xml version=\"1.0\" "
!                 + "encoding=\"UTF-8\" standalone=\"no\"?>\n"
!                 + "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 20010904//EN\"\n"
!                 + "\"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd\">\n");
! 
!         w.write("<svg xmlns=\"http://www.w3.org/2000/svg\"\n "
!                 + " xmlns:xlink=\"http://www.w3.org/1999/xlink\"\n "
!                 + " version=\"1\"\n "
!                 + " x=\"30\" y=\"30\"\n "
!                 + " height=\"" + height + "\" width=\"" + width + "\"> \n");
!         return w.toString();
      }
! 
      private String svgEnd()
!     throws IOException {
!         return new String("\n</svg>\n");
      }
  
***************
*** 330,375 ****
       *    Main method
       ** ************************************* */
!     
      public String transform(String xmlString) {
- 	
- 	if (xmlString == null)
- 	    return null;
  
! 	try {
! 	    //FileReader xmlFile = new FileReader("/home/ivan/pfc/documentos/salida-prolix-treexml.xml");
! 	    DocumentBuilderFactory factory = 
! 		DocumentBuilderFactory.newInstance();
! 	    DocumentBuilder builder = factory.newDocumentBuilder();
! 	    //Document document = builder.parse(new InputSource(xmlFile));
! 	    Document document = builder.parse(new InputSource(new StringReader(xmlString)));
  
! 	    // Works with generic Writer.
! 	    StringWriter svg = new StringWriter();
  
! 	    Dimension total = drawNode(document,"1",new Point(10,10),svg);
! 	    setSize(total);
! 	    //System.out.println("Dimensiones totales: " + total.width + " "
! 	    //	   + total.height);
! 	    
! 	    String result = svgInit(total.height, total.width).concat(svg.toString()).concat(svgEnd());
! 	    //System.out.println("Pues no paso nada malo");
! 	    return result;
! 	}
! 	catch (FactoryConfigurationError e) {
! 	    // unable to get a document builder factory
! 	    return null;
! 	}
! 	catch (ParserConfigurationException e) {
! 	    // parser was unable to be configured
! 	    return null;
! 	}
! 	catch (SAXException e) {
! 	    // parsing error
! 	    return null;
! 	}   //FIXME: Is necesary IOException here???
! 	catch (IOException e) {
! 	    System.out.println("I/O Error: File Not Exist or Problems with Writers");
! 	    return null;
! 	}
      }
  
--- 307,349 ----
       *    Main method
       ** ************************************* */
! 
      public String transform(String xmlString) {
  
!         if (xmlString == null)
!             return null;
  
!         try {
!             //FileReader xmlFile = new FileReader("/home/ivan/pfc/documentos/salida-prolix-treexml.xml");
!             DocumentBuilderFactory factory =
!                 DocumentBuilderFactory.newInstance();
!             DocumentBuilder builder = factory.newDocumentBuilder();
!             //Document document = builder.parse(new InputSource(xmlFile));
!             Document document = builder.parse(new InputSource(new StringReader(xmlString)));
  
!             // Works with generic Writer.
!             StringWriter svg = new StringWriter();
! 
!             Dimension total = drawNode(document,"1",new Point(10,10),svg);
!             setSize(total);
!             //System.out.println("Dimensiones totales: " + total.width + " "
!             //	   + total.height);
! 
!             String result = svgInit(total.height, total.width).concat(svg.toString()).concat(svgEnd());
! 
!             return result;
!         } catch (FactoryConfigurationError e) {
!             // unable to get a document builder factory
!             return null;
!         } catch (ParserConfigurationException e) {
!             // parser was unable to be configured
!             return null;
!         } catch (SAXException e) {
!             // parsing error
!             return null;
!         }   //FIXME: Is necesary IOException here???
!         catch (IOException e) {
!             System.out.println("I/O Error: File Not Exist or Problems with Writers");
!             return null;
!         }
      }
  
***************
*** 382,386 ****
       */
      public Dimension getSize() {
! 	return size;
      }
  
--- 356,360 ----
       */
      public Dimension getSize() {
!         return size;
      }
  
***************
*** 390,397 ****
       */
      public void setSize(Dimension newSize) {
! 	this.size = newSize;
      }
  
!     
      //public static void main(String argv[]) {
      //	SvgGenerator on = new SvgGenerator();
--- 364,371 ----
       */
      public void setSize(Dimension newSize) {
!         this.size = newSize;
      }
  
! 
      //public static void main(String argv[]) {
      //	SvgGenerator on = new SvgGenerator();