make server-side check for no-content chat messages too
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@ -73,6 +73,8 @@ public class ChatHandler extends Handler {
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final String message = request.getParameter(AjaxRequest.MESSAGE).trim();
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final String message = request.getParameter(AjaxRequest.MESSAGE).trim();
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if (message.length() > 200) {
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if (message.length() > 200) {
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return error(ErrorCode.MESSAGE_TOO_LONG);
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return error(ErrorCode.MESSAGE_TOO_LONG);
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} else if (message.length() == 0) {
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return error(ErrorCode.NO_MSG_SPECIFIED);
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} else {
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} else {
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final HashMap<ReturnableData, Object> broadcastData = new HashMap<ReturnableData, Object>();
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final HashMap<ReturnableData, Object> broadcastData = new HashMap<ReturnableData, Object>();
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broadcastData.put(LongPollResponse.EVENT, LongPollEvent.CHAT.toString());
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broadcastData.put(LongPollResponse.EVENT, LongPollEvent.CHAT.toString());
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