J2SE综合:在Java程序中截获控制台输出 （2）

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                        try {
                            // 把提取到的数据发送给PipedOutputStream
                            pipedOS.write(buffer, 0, buffer.length);
                        }
                        catch(IOException e) {
                            // 记录错误或其他处理
                            // 为简单计，此处我们直接结束
                            System.exit(1);
                        }
                    }
                    else // 没有数据可用，线程进入睡眠状态
                        try {
                            // 每隔1秒查看ByteArrayOutputStream检查新数据
                            Thread.sleep(1000);
                        }
                        catch(InterruptedException e) {}
                    }
             }
        }).start();
    } // startByteArrayReaderThread()
} // LoopedStreams

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