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|  |  |  | public static final String CALLBACK_CMD_PLAY = "CALLBACK_PLAY"; | 
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|  |  |  | public static final String CALLBACK_CMD_PLAYBACK = "CALLBACK_PLAY"; | 
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|  |  |  | public static final String CALLBACK_CMD_PLAYBACK = "CALLBACK_PLAYBACK"; | 
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|  |  |  | public static final String CALLBACK_CMD_DOWNLOAD = "CALLBACK_DOWNLOAD"; | 
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|  |  |  | public static final String CALLBACK_CMD_STOP = "CALLBACK_STOP"; | 
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|  |  |  | public static final String UPLOAD_FILE_CHANNEL = "UPLOAD_FILE_CHANNEL"; | 
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|  |  |  | public static final String CALLBACK_CMD_MOBILEPOSITION = "CALLBACK_MOBILEPOSITION"; | 
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|  |  |  | if (result == null) { | 
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|  |  |  | return; | 
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|  |  |  | } | 
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|  |  |  | result.setResult(new ResponseEntity<>(msg.getData(),HttpStatus.OK)); | 
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|  |  |  | result.setResult(ResponseEntity.ok().body(msg.getData())); | 
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|  |  |  | } | 
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|  |  |  | map.remove(msg.getKey()); | 
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