public void startElement(String uri, String localName, String qName, Attributes atts)
throws SAXException {
SwingTreeNodeImpl<String> newNode = new SwingTreeNodeImpl<String>();
if (currentNode == null) {
rootNodes.add(newNode);
} else {
currentNode.addChild(newNode);
}
newNode.setData(JOINER.join(newNode.getData(), localName.toLowerCase(Locale.US), " ["));
currentNode = newNode;
}
public void endElement(String uri, String localName, String qName) throws SAXException {
currentNode.setData(JOINER.join(currentNode.getData(), "]"));
currentNode = (SwingTreeNodeImpl) currentNode.getParent();
}
/** @author Nick Belaevski */
public class TreeNodeParser implements ContentHandler {
private static final FastJoiner JOINER = FastJoiner.on("");
private XMLReader reader;
private List<TreeNode> rootNodes = Lists.newArrayList();
private SwingTreeNodeImpl<String> currentNode;
public TreeNodeParser() throws SAXException {
reader = XMLReaderFactory.createXMLReader();
}
public void parse(URL url) throws IOException, SAXException {
InputStream is = null;
try {
is = url.openStream();
reader.setContentHandler(this);
reader.parse(new InputSource(is));
} finally {
Closeables.closeQuietly(is);
}
}
public List<TreeNode> getRootNodes() {
return rootNodes;
}
public void setDocumentLocator(Locator locator) {}
public void startDocument() throws SAXException {}
public void endDocument() throws SAXException {}
public void startPrefixMapping(String prefix, String uri) throws SAXException {}
public void endPrefixMapping(String prefix) throws SAXException {}
public void startElement(String uri, String localName, String qName, Attributes atts)
throws SAXException {
SwingTreeNodeImpl<String> newNode = new SwingTreeNodeImpl<String>();
if (currentNode == null) {
rootNodes.add(newNode);
} else {
currentNode.addChild(newNode);
}
newNode.setData(JOINER.join(newNode.getData(), localName.toLowerCase(Locale.US), " ["));
currentNode = newNode;
}
public void endElement(String uri, String localName, String qName) throws SAXException {
currentNode.setData(JOINER.join(currentNode.getData(), "]"));
currentNode = (SwingTreeNodeImpl) currentNode.getParent();
}
public void characters(char[] ch, int start, int length) throws SAXException {
currentNode.setData(JOINER.join(currentNode.getData(), new String(ch, start, length).trim()));
}
public void ignorableWhitespace(char[] ch, int start, int length) throws SAXException {}
public void processingInstruction(String target, String data) throws SAXException {}
public void skippedEntity(String name) throws SAXException {}
}
public void characters(char[] ch, int start, int length) throws SAXException {
currentNode.setData(JOINER.join(currentNode.getData(), new String(ch, start, length).trim()));
}
