/**
* WhiteboardObjectTextJabberImpl constructor.
*
* @param xml the XML string object to parse.
*/
public WhiteboardObjectTextJabberImpl(String xml) {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder;
try {
builder = factory.newDocumentBuilder();
InputStream in = new ByteArrayInputStream(xml.getBytes());
Document doc = builder.parse(in);
Element e = doc.getDocumentElement();
String elementName = e.getNodeName();
if (elementName.equals("text")) {
// we have a text
String id = e.getAttribute("id");
double x = Double.parseDouble(e.getAttribute("x"));
double y = Double.parseDouble(e.getAttribute("y"));
String fill = e.getAttribute("fill");
String fontFamily = e.getAttribute("font-family");
int fontSize = Integer.parseInt(e.getAttribute("font-size"));
String text = e.getTextContent();
this.setID(id);
this.setWhiteboardPoint(new WhiteboardPoint(x, y));
this.setFontName(fontFamily);
this.setFontSize(fontSize);
this.setText(text);
this.setColor(Color.decode(fill).getRGB());
}
} catch (ParserConfigurationException ex) {
if (logger.isDebugEnabled()) logger.debug("Problem WhiteboardObject : " + xml);
} catch (IOException ex) {
if (logger.isDebugEnabled()) logger.debug("Problem WhiteboardObject : " + xml);
} catch (Exception ex) {
if (logger.isDebugEnabled()) logger.debug("Problem WhiteboardObject : " + xml);
}
}
public static Document newXMLDocument() {
DocumentBuilder dbuilder = null;
try {
dbuilder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
} catch (ParserConfigurationException e) {
e.printStackTrace();
return null;
}
return dbuilder.newDocument();
}
/**
* Save the XML description of the circuit
*
* @param output an output stream to write in
* @return true if the dump was successful, false either
*/
public boolean dumpToXml(OutputStream output) {
Document doc;
Element root;
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder;
try {
builder = factory.newDocumentBuilder();
doc = builder.newDocument();
} catch (ParserConfigurationException pce) {
System.err.println("dumpToXmlFile: unable to write XML save file.");
return false;
}
root = doc.createElement("Circuit");
root.setAttribute("name", this.getName());
for (iterNodes = this.nodes.iterator(); iterNodes.hasNext(); )
iterNodes.next().dumpToXml(doc, root);
root.normalize();
doc.appendChild(root);
try {
TransformerFactory tffactory = TransformerFactory.newInstance();
Transformer transformer = tffactory.newTransformer();
transformer.setOutputProperty(OutputKeys.INDENT, "yes");
DOMSource source = new DOMSource(doc);
StreamResult result = new StreamResult(output);
transformer.transform(source, result);
} catch (TransformerConfigurationException tce) {
System.err.println("dumpToXmlFile: Configuration Transformer exception.");
return false;
} catch (TransformerException te) {
System.err.println("dumpToXmlFile: Transformer exception.");
return false;
}
return true;
}
/**
* XML Circuit constructor
*
* @param file the file that contains the XML description of the circuit
* @param g the graphics that will paint the node
* @throws CircuitLoadingException if the internal circuit can not be loaded
*/
public CircuitUI(File file, Graphics g) throws CircuitLoadingException {
this("");
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder;
Document doc;
Element root;
Hashtable<Integer, Link> linkstable = new Hashtable<Integer, Link>();
try {
builder = factory.newDocumentBuilder();
doc = builder.parse(file);
} catch (SAXException sxe) {
throw new CircuitLoadingException("SAX exception raised, invalid XML file.");
} catch (ParserConfigurationException pce) {
throw new CircuitLoadingException(
"Parser exception raised, parser configuration is invalid.");
} catch (IOException ioe) {
throw new CircuitLoadingException("I/O exception, file cannot be loaded.");
}
root = (Element) doc.getElementsByTagName("Circuit").item(0);
this.setName(root.getAttribute("name"));
NodeList nl = root.getElementsByTagName("Node");
Element e;
Node n;
Class cl;
for (int i = 0; i < nl.getLength(); ++i) {
e = (Element) nl.item(i);
try {
cl = Class.forName(e.getAttribute("class"));
} catch (Exception exc) {
System.err.println(exc.getMessage());
throw new RuntimeException("Circuit creation from xml.");
}
try {
n = ((Node) cl.newInstance());
} catch (Exception exc) {
System.err.println(exc.getMessage());
throw new RuntimeException("Circuit creation from xml.");
}
this.nodes.add(n);
n.setLocation(new Integer(e.getAttribute("x")), new Integer(e.getAttribute("y")));
if (n instanceof giraffe.ui.Nameable) ((Nameable) n).setNodeName(e.getAttribute("node_name"));
if (n instanceof giraffe.ui.CompositeNode) {
try {
((CompositeNode) n)
.load(new File(file.getParent() + "/" + e.getAttribute("file_name")), g);
} catch (Exception exc) {
/* try to load from the lib */
((CompositeNode) n)
.load(new File(giraffe.Giraffe.PATH + "/lib/" + e.getAttribute("file_name")), g);
}
}
NodeList nlist = e.getElementsByTagName("Anchor");
Element el;
for (int j = 0; j < nlist.getLength(); ++j) {
el = (Element) nlist.item(j);
Anchor a = n.getAnchor(new Integer(el.getAttribute("id")));
NodeList linklist = el.getElementsByTagName("Link");
Element link;
Link l;
for (int k = 0; k < linklist.getLength(); ++k) {
link = (Element) linklist.item(k);
int id = new Integer(link.getAttribute("id"));
int index = new Integer(link.getAttribute("index"));
if (id >= this.linkID) linkID = id + 1;
if (linkstable.containsKey(id)) {
l = linkstable.get(id);
l.addLinkedAnchorAt(a, index);
a.addLink(l);
} else {
l = new Link(id);
l.addLinkedAnchorAt(a, index);
this.links.add(l);
linkstable.put(id, l);
a.addLink(l);
}
}
}
}
}
@Override
protected DocumentBuilderFactory getDocBuilderFactory() {
DocumentBuilderFactory factory = super.getDocBuilderFactory();
factory.setValidating(true);
return factory;
}