对io进行分流

package org.richin.io.Stream.util;
    import java.io.BufferedInputStream;
    import java.io.BufferedOutputStream;
    import java.io.FileInputStream;
    import java.io.FileOutputStream;
    import java.io.IOException;
    import java.io.InputStream;
    import java.io.OutputStream;
    /**
10    * 对流进行分流,同时将一个输入流写入多个输出流
11    * @author Administrator
12    *
13    */
    public class TeeOutputStream extends OutputStream {
    private OutputStream out1;
    private OutputStream out2;
    public TeeOutputStream(OutputStream stream1, OutputStream stream2)
    {
    //调用父类的构造方法，传入需要过滤的流
    //super(stream1);
    out1 = stream1;
    out2 = stream2;
    }
    //重写write方法
    public void write(int b) throws IOException
    {
    out1.write(b);
    out2.write(b);
    }
    //重写write方法
    public void write(byte[] data, int offset, int length) throws IOException
    {
    out1.write(data, offset, length);
    out2.write(data, offset, length);
    }
    //重写flush方法
    public void flush() throws IOException
    {
    out1.flush();
    out2.flush();
    }
    //重写close方法
    public void close() throws IOException
    {
    out1.close();
    out2.close();
    }
    public static void copy(InputStream in, OutputStream out)
    throws IOException {
    // 缓冲流
    BufferedInputStream bin = new BufferedInputStream(in);
    BufferedOutputStream bout = new BufferedOutputStream(out);
    while (true) {
    int datum = bin.read();
    if (datum == -)
    break;
    bout.write(datum);
    }
    // 刷新缓冲区
    bout.flush();
    }
    //main方法
    public static void main(String[] args) throws IOException {
    FileInputStream fin = new FileInputStream("E:\\gzml\\gongzhens\\yaxi\\设计稿\\快递.rar");
    FileOutputStream fout1 = new FileOutputStream("D:/快递.rar");
    FileOutputStream fout2 = new FileOutputStream("e:/快递.rar");
    TeeOutputStream tout = new TeeOutputStream(fout1, fout2);
    TeeOutputStream.copy(fin, tout);
    fin.close();
    tout.close();
    }
    }