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package de.thedevstack.conversationsplus.xmpp.filetransfer.http.upload;
import de.thedevstack.conversationsplus.xmpp.jid.Jid;
import de.thedevstack.conversationsplus.xmpp.stanzas.IqPacket;
/**
* Generates the IQ Packets for requesting a http upload slot
* as defined in XEP-0363.
* @see <a href="http://xmpp.org/extensions/xep-0363.html">http://xmpp.org/extensions/xep-0363.html</a>
*/
public final class HttpUploadRequestSlotPacketGenerator {
/**
* Generates the IqPacket to request a http upload slot.
* The attributes from and id are not set in here - this is added while sending the packet.
* <pre>
* <iq from='romeo@montague.tld/garden'
* id='step_03'
* to='upload.montague.tld'
* type='get'>
* <request xmlns='urn:xmpp:http:upload'>
* <filename>my_juliet.png</filename>
* <size>23456</size>
* <content-type>image/jpeg</content-type>
* </request>
* </iq>
* </pre>
* @param host the jid of the host to request a slot from
* @param filename the filename of the file which will be transferred
* @param filesize the filesize of the file which will be transferred
* @param mime the mime type of the file which will be transferred - <code>optional</code> and therefore nullable
* @return the IqPacket
*/
public static IqPacket generate(Jid host, String filename, long filesize, String mime) {
SlotRequestPacket packet = new SlotRequestPacket(filename, filesize);
packet.setTo(host);
packet.setMime((mime == null || mime.isEmpty()) ? HttpUpload.DEFAULT_MIME_TYPE : mime);
return packet;
}
/**
* Utility class - avoid instantiation
*/
private HttpUploadRequestSlotPacketGenerator() {
// Helper class - avoid instantiation
}
}
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