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// Tango api `receive' implementation
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public void receive (AppEventMessage em) {
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if (em.getType() == Const.CONTROL) { // checking for message type
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CAppAnswerEventMessage msg = (CAppAnswerEventMessage) em;
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//The above is conversion to control message
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if (msg.getAnswerType() == CAConsts.USERNAME)
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un = msg.getUserName(); //extraction of information
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}
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else { //DATA type message
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String msg=new String (em.getData(),0,0,em.getLen());
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//extraction of data
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ta.appendText(msg);
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}
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}
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