/**
* Parses a ConferenceMedium extension sub-packet and creates a {@link
* ConferenceMediumPacketExtension} instance. At the beginning of the method call, the xml parser
* will be positioned on the opening element of the packet extension. As required by the smack
* API, at the end of the method call, the parser will be positioned on the closing element of the
* packet extension.
*
* @param parser an XML parser positioned at the opening <tt>ConferenceMedium</tt> element.
* @return a new {@link ConferenceMediumPacketExtension} instance.
* @throws java.lang.Exception if an error occurs parsing the XML.
*/
public PacketExtension parseExtension(XmlPullParser parser) throws Exception {
boolean done = false;
int eventType;
String elementName = null;
String label = parser.getAttributeValue("", ConferenceMediumPacketExtension.LABEL_ATTR_NAME);
if (label == null) {
throw new Exception("Coin medium element must contain entity attribute");
}
ConferenceMediumPacketExtension ext = new ConferenceMediumPacketExtension("entry", label);
while (!done) {
eventType = parser.next();
elementName = parser.getName();
if (eventType == XmlPullParser.START_TAG) {
if (elementName.equals(MediaPacketExtension.ELEMENT_DISPLAY_TEXT)) {
ext.setDisplayText(CoinIQProvider.parseText(parser));
} else if (elementName.equals(MediaPacketExtension.ELEMENT_STATUS)) {
ext.setStatus(CoinIQProvider.parseText(parser));
} else if (elementName.equals(MediaPacketExtension.ELEMENT_TYPE)) {
ext.setType(CoinIQProvider.parseText(parser));
}
} else if (eventType == XmlPullParser.END_TAG) {
if (parser.getName().equals(ConferenceMediumPacketExtension.ELEMENT_NAME)) {
done = true;
}
}
}
return ext;
}
/**
* Parses a User extension sub-packet and creates a {@link UserPacketExtension} instance. At the
* beginning of the method call, the xml parser will be positioned on the opening element of the
* packet extension. As required by the smack API, at the end of the method call, the parser will
* be positioned on the closing element of the packet extension.
*
* @param parser an XML parser positioned at the opening <tt>User</tt> element.
* @return a new {@link UserPacketExtension} instance.
* @throws java.lang.Exception if an error occurs parsing the XML.
*/
public UserPacketExtension parseExtension(XmlPullParser parser) throws Exception {
boolean done = false;
int eventType;
String elementName = null;
String entity = parser.getAttributeValue("", UserPacketExtension.ENTITY_ATTR_NAME);
StateType state = StateType.full;
String stateStr = parser.getAttributeValue("", UserPacketExtension.STATE_ATTR_NAME);
if (stateStr != null) {
state = StateType.parseString(stateStr);
}
if (entity == null) {
throw new Exception("Coin user element must contain entity attribute");
}
UserPacketExtension ext = new UserPacketExtension(entity);
ext.setAttribute(UserPacketExtension.STATE_ATTR_NAME, state);
while (!done) {
eventType = parser.next();
elementName = parser.getName();
if (eventType == XmlPullParser.START_TAG) {
if (elementName.equals(UserPacketExtension.ELEMENT_DISPLAY_TEXT)) {
ext.setDisplayText(CoinIQProvider.parseText(parser));
} else if (elementName.equals(EndpointPacketExtension.ELEMENT_NAME)) {
PacketExtensionProvider provider = new EndpointProvider();
PacketExtension childExtension = provider.parseExtension(parser);
ext.addChildExtension(childExtension);
}
} else if (eventType == XmlPullParser.END_TAG) {
if (parser.getName().equals(UserPacketExtension.ELEMENT_NAME)) {
done = true;
}
}
}
return ext;
}
/**
* Parses the given <tt>parser</tt> in order to create a <tt>FileElement</tt> from it.
*
* @param parser the parser to parse
* @see IQProvider#parseIQ(XmlPullParser)
*/
public IQ parseIQ(final XmlPullParser parser) throws Exception {
boolean done = false;
// si
String id = parser.getAttributeValue("", "id");
String mimeType = parser.getAttributeValue("", "mime-type");
StreamInitiation initiation = new StreamInitiation();
// file
String name = null;
String size = null;
String hash = null;
String date = null;
String desc = null;
ThumbnailElement thumbnail = null;
boolean isRanged = false;
// feature
DataForm form = null;
DataFormProvider dataFormProvider = new DataFormProvider();
int eventType;
String elementName;
String namespace;
while (!done) {
eventType = parser.next();
elementName = parser.getName();
namespace = parser.getNamespace();
if (eventType == XmlPullParser.START_TAG) {
if (elementName.equals("file")) {
name = parser.getAttributeValue("", "name");
size = parser.getAttributeValue("", "size");
hash = parser.getAttributeValue("", "hash");
date = parser.getAttributeValue("", "date");
} else if (elementName.equals("desc")) {
desc = parser.nextText();
} else if (elementName.equals("range")) {
isRanged = true;
} else if (elementName.equals("x") && namespace.equals("jabber:x:data")) {
form = (DataForm) dataFormProvider.parseExtension(parser);
} else if (elementName.equals("thumbnail")) {
thumbnail = new ThumbnailElement(parser.getText());
}
} else if (eventType == XmlPullParser.END_TAG) {
if (elementName.equals("si")) {
done = true;
}
// The name-attribute is required per XEP-0096, so ignore the
// IQ if the name is not set to avoid exceptions. Particularly,
// the SI response of Empathy contains an invalid, empty
// file-tag.
else if (elementName.equals("file") && name != null) {
long fileSize = 0;
if (size != null && size.trim().length() != 0) {
try {
fileSize = Long.parseLong(size);
} catch (NumberFormatException e) {
logger.warn(
"Received an invalid file size," + " continuing with fileSize set to 0", e);
}
}
FileElement file = new FileElement(name, fileSize);
file.setHash(hash);
if (date != null) {
// try all known date formats
boolean found = false;
if (date.matches(".*?T\\d+:\\d+:\\d+(\\.\\d+)?(\\+|-)\\d+:\\d+")) {
int timeZoneColon = date.lastIndexOf(":");
date =
date.substring(0, timeZoneColon)
+ date.substring(timeZoneColon + 1, date.length());
}
for (DateFormat fmt : DATE_FORMATS) {
try {
file.setDate(fmt.parse(date));
found = true;
break;
} catch (ParseException ex) {
}
}
if (!found) {
logger.warn("Unknown dateformat on incoming file transfer: " + date);
}
}
if (thumbnail != null) file.setThumbnailElement(thumbnail);
file.setDesc(desc);
file.setRanged(isRanged);
initiation.setFile(file);
}
}
}
initiation.setSesssionID(id);
initiation.setMimeType(mimeType);
initiation.setFeatureNegotiationForm(form);
return initiation;
}