/**
* Convenience method to create a new empty {@link Type#RESULT IQ.Type.RESULT} IQ based on a
* {@link Type#GET IQ.Type.GET} or {@link Type#SET IQ.Type.SET} IQ. The new packet will be
* initialized with:
*
* <ul>
* <li>The sender set to the recipient of the originating IQ.
* <li>The recipient set to the sender of the originating IQ.
* <li>The type set to {@link Type#RESULT IQ.Type.RESULT}.
* <li>The id set to the id of the originating IQ.
* <li>No child element of the IQ element.
* </ul>
*
* @param iq the {@link Type#GET IQ.Type.GET} or {@link Type#SET IQ.Type.SET} IQ packet.
* @throws IllegalArgumentException if the IQ packet does not have a type of {@link Type#GET
* IQ.Type.GET} or {@link Type#SET IQ.Type.SET}.
* @return a new {@link Type#RESULT IQ.Type.RESULT} IQ based on the originating IQ.
*/
public static IQ createResultIQ(final IQ request) {
if (!(request.getType() == Type.GET || request.getType() == Type.SET)) {
throw new IllegalArgumentException(
"IQ must be of type 'set' or 'get'. Original IQ: " + request.toXML());
}
final IQ result =
new IQ() {
public String getChildElementXML() {
return null;
}
};
result.setType(Type.RESULT);
result.setPacketID(request.getPacketID());
result.setFrom(request.getTo());
result.setTo(request.getFrom());
return result;
}
/**
* Convenience method to create a new {@link Type#ERROR IQ.Type.ERROR} IQ based on a {@link
* Type#GET IQ.Type.GET} or {@link Type#SET IQ.Type.SET} IQ. The new packet will be initialized
* with:
*
* <ul>
* <li>The sender set to the recipient of the originating IQ.
* <li>The recipient set to the sender of the originating IQ.
* <li>The type set to {@link Type#ERROR IQ.Type.ERROR}.
* <li>The id set to the id of the originating IQ.
* <li>The child element contained in the associated originating IQ.
* <li>The provided {@link XMPPError XMPPError}.
* </ul>
*
* @param iq the {@link Type#GET IQ.Type.GET} or {@link Type#SET IQ.Type.SET} IQ packet.
* @param error the error to associate with the created IQ packet.
* @throws IllegalArgumentException if the IQ packet does not have a type of {@link Type#GET
* IQ.Type.GET} or {@link Type#SET IQ.Type.SET}.
* @return a new {@link Type#ERROR IQ.Type.ERROR} IQ based on the originating IQ.
*/
public static IQ createErrorResponse(final IQ request, final XMPPError error) {
if (!(request.getType() == Type.GET || request.getType() == Type.SET)) {
throw new IllegalArgumentException(
"IQ must be of type 'set' or 'get'. Original IQ: " + request.toXML());
}
final IQ result =
new IQ() {
public String getChildElementXML() {
return request.getChildElementXML();
}
};
result.setType(Type.ERROR);
result.setPacketID(request.getPacketID());
result.setFrom(request.getTo());
result.setTo(request.getFrom());
result.setError(error);
return result;
}
/**
* FIXME: replace with IQ.createErrorResponse Prosody does not allow to include request body in
* error response. Replace this method with IQ.createErrorResponse once fixed.
*/
private IQ createErrorResponse(IQ request, XMPPError error) {
IQ.Type requestType = request.getType();
if (!(requestType == IQ.Type.GET || requestType == IQ.Type.SET)) {
throw new IllegalArgumentException(
"IQ must be of type 'set' or 'get'. Original IQ: " + request.toXML());
}
final IQ result =
new IQ() {
@Override
public String getChildElementXML() {
return "";
}
};
result.setType(IQ.Type.ERROR);
result.setPacketID(request.getPacketID());
result.setFrom(request.getTo());
result.setTo(request.getFrom());
result.setError(error);
return result;
}