三十八毒

package copy.wkjava;
import java.io.*;
import javax.swing.ProgressMonitorInputStream;

class Copy {
	public Copy() {
		super();
	}
	public static void main(String[] args) {		
		String from = args[0];
		String to = args[1];		
		Copy copy = new Copy();		
		try {
			copy.copy(from,to);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	private void copy(String from, String to) throws IOException {		
		to = ProcessTo(from,to);	
		InputStream in = new ProgressMonitorInputStream
(null,"正在复制文件"+from+"到"+to,new BufferedInputStream(
new FileInputStream(from)));		
		OutputStream out = new BufferedOutputStream(
new FileOutputStream(to));		
		for (int b=in.read();b!=-1;b=in.read()){
			out.write(b);
		}
		in.close();
		out.close();		
	}
	private String ProcessTo(String from, String to) {
		File toFile = new File(to);
		File fromFile = new File(from);		
		if(toFile.isDirectory()){
			return toFile.getAbsoluteFile() +
File.separator + fromFile.getName();
		}
		return to;		
	}
}

ize=2 color=blue>return to;
}
}
lue>for (int b = in.read(); b != -1; b = in.read())
            out.write(b);
        in.close();
        out.close();  
    }
}