public List<ExtensionInfo> parse() {
List<ExtensionInfo> result = Lists.newArrayList();
try {
XMLReader reader = XMLReaderFactory.createXMLReader();
PluginXMLContentHandler handler = new PluginXMLContentHandler();
reader.setContentHandler(handler);
for (URL u : getAllPluginResourceURLs()) {
InputStream openStream = null;
try {
openStream = u.openStream();
reader.parse(new InputSource(openStream));
} catch (IOException e) {
throw new RuntimeException(e);
} finally {
if (openStream != null)
try {
openStream.close();
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}
for (ExtensionPointHandler h : handler.getFinishedHandlers())
for (ExtensionInfo pi : h.getInfo()) result.add(pi);
} catch (SAXException e) {
throw new RuntimeException(e);
}
return result;
}
@Override
public void endElement(String uri, String localName, String qName) throws SAXException {
if ("extension".equals(qName) && currentHandler != null) {
finishedHandlers.add(currentHandler);
currentHandler = null;
}
if (currentHandler != null) currentHandler.endElement(uri, localName, qName);
}
@Override
public void startElement(String uri, String localName, String qName, Attributes attributes)
throws SAXException {
if ("extension".equals(qName)) {
String point = attributes.getValue("point");
Class<? extends ExtensionPointHandler> clazz = handlers.get(point);
if (clazz != null) {
try {
currentHandler = clazz.newInstance();
currentHandler.beginElement(uri, localName, qName, attributes);
} catch (InstantiationException e) {
throw new RuntimeException(e);
} catch (IllegalAccessException e) {
throw new RuntimeException(e);
}
}
} else if (currentHandler != null)
currentHandler.beginElement(uri, localName, qName, attributes);
}
