|  |  | 
 |  |  |             return; | 
 |  |  |         } | 
 |  |  |         StringBuilder stringBuilder = new StringBuilder(); | 
 |  |  |         stringBuilder.append(!sender? "发送:目标--->" + from:"接收:来自--->" + to) | 
 |  |  |         stringBuilder.append(sender? "发送:目标--->" + from:"接收:来自--->" + to) | 
 |  |  |                 .append("\r\n") | 
 |  |  |                         .append(message); | 
 |  |  |         this.stackLogger.logInfo(stringBuilder.toString()); | 
 |  |  | 
 |  |  |             return; | 
 |  |  |         } | 
 |  |  |         StringBuilder stringBuilder = new StringBuilder(); | 
 |  |  |         stringBuilder.append(!sender? "发送: 目标->" + from :"接收:来自->" + to) | 
 |  |  |         stringBuilder.append(sender? "发送: 目标->" + from :"接收:来自->" + to) | 
 |  |  |                 .append("\r\n") | 
 |  |  |                 .append(message); | 
 |  |  |         this.stackLogger.logInfo(stringBuilder.toString()); | 
 |  |  | 
 |  |  |             return; | 
 |  |  |         } | 
 |  |  |         StringBuilder stringBuilder = new StringBuilder(); | 
 |  |  |         stringBuilder.append(!sender? "发送: 目标->" + from :"接收:来自->" + to) | 
 |  |  |         stringBuilder.append(sender? "发送: 目标->" + from :"接收:来自->" + to) | 
 |  |  |                 .append("\r\n") | 
 |  |  |                 .append(message); | 
 |  |  |         this.stackLogger.logInfo(stringBuilder.toString()); | 
 |  |  | 
 |  |  |             this.stackLogger = this.sipStack.getStackLogger(); | 
 |  |  |         } | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |  | 
 |  |  | } |