/**
* Adds a stanza(/packet) extension to the packet. Does nothing if extension is null.
*
* @param extension a stanza(/packet) extension.
*/
public void addExtension(ExtensionElement extension) {
if (extension == null) return;
String key = XmppStringUtils.generateKey(extension.getElementName(), extension.getNamespace());
synchronized (packetExtensions) {
packetExtensions.put(key, extension);
}
}
/**
* Removes a stanza(/packet) extension from the packet.
*
* @param extension the stanza(/packet) extension to remove.
* @return the removed stanza(/packet) extension or null.
*/
public ExtensionElement removeExtension(ExtensionElement extension) {
return removeExtension(extension.getElementName(), extension.getNamespace());
}
