保存PDF文件

public static void savePdf(String fileName,String linkstr)
	{
		try
		{
			URL url= new URL(linkstr);
			BufferedReader in =new BufferedReader(new InputStreamReader(url.openStream()));
			PrintWriter pw=new PrintWriter(new FileOutputStream("D:\\WebPage\\"+fileName+".pdf"));
			String line="";
			while((line=in.readLine())!= null)
			{
				pw.println(line);
			}
			in.close();
			pw.close();
		}
		catch(Exception e)
		{
			System.out.println(e); 
		}
	}