public T walk(XmlPullParser parser) throws XmlPullParserException {
final T result = prepareTarget(parser, new QName(parser.getNamespace(), parser.getName()));
next(parser);
// walk through all tags
while (true) {
int event = parser.getEventType();
if (event == XmlPullParser.START_TAG) {
QName name = new QName(parser.getNamespace(), parser.getName());
if (!read(parser, name, result)) {
if (result instanceof ExtensionsData) {
handleExtension(parser, (ExtensionsData) result);
} else {
skip(parser);
}
}
} else if (event == XmlPullParser.END_TAG) {
break;
} else {
if (!next(parser)) {
break;
}
}
}
next(parser);
return result;
}
private CmisExtensionElement handleExtensionLevel(final XmlPullParser parser, final int level)
throws XmlPullParserException {
final QName name = new QName(parser.getNamespace(), parser.getName());
Map<String, String> attributes = null;
StringBuilder sb = new StringBuilder();
List<CmisExtensionElement> children = null;
if (parser.getAttributeCount() > 0) {
attributes = new HashMap<String, String>();
for (int i = 0; i < parser.getAttributeCount(); i++) {
attributes.put(parser.getAttributeName(i), parser.getAttributeValue(i));
}
}
next(parser);
while (true) {
int event = parser.getEventType();
if (event == XmlPullParser.END_TAG) {
break;
} else if (event == XmlPullParser.TEXT) {
String s = parser.getText();
if (s != null) {
if (sb.length() + s.length() > XMLConstraints.MAX_STRING_LENGTH) {
throw new CmisInvalidArgumentException("String limit exceeded!");
}
sb.append(s);
}
} else if (event == XmlPullParser.START_TAG) {
if (level + 1 > XMLConstraints.MAX_EXTENSIONS_DEPTH) {
throw new CmisInvalidArgumentException("Extensions tree too deep!");
}
if (children == null) {
children = new ArrayList<CmisExtensionElement>();
}
if (children.size() + 1 > XMLConstraints.MAX_EXTENSIONS_WIDTH) {
throw new CmisInvalidArgumentException("Extensions tree too wide!");
}
children.add(handleExtensionLevel(parser, level + 1));
continue;
}
if (!next(parser)) {
break;
}
}
next(parser);
if (children != null) {
return new CmisExtensionElementImpl(
name.getNamespaceURI(), name.getLocalPart(), attributes, children);
} else {
return new CmisExtensionElementImpl(
name.getNamespaceURI(), name.getLocalPart(), attributes, sb.toString());
}
}