bytearray和file的后端上传方式

public static  String readAndUpload(String serverpath,String imgid) {
        if(serverpath==null){
            serverpath = OLD_IMG_SERVER_URL;
        }
        CloseableHttpClient httpclient = HttpClients.createDefault();
        CloseableHttpResponse response = null;
                     try {
                         // 创建httpget
                         URL url = new URL(serverpath+imgid);
                         URI uri = new URI(url.getProtocol(), url.getHost(), url.getPath(), url.getQuery(), null);
                         HttpGet httpget = new HttpGet(uri);
                         System.out.println("executing request " + httpget.getURI());
                         // 执行get请求.  
                         response = httpclient.execute(httpget);
                         // 获取响应实体  
                         HttpEntity entity = response.getEntity();
                         System.out.println("--------------------------------------");
                         // 打印响应状态  
                         System.out.println(response.getStatusLine());
                         if (entity != null) {
                             long len = entity.getContentLength();
                             // 打印响应内容长度  
                             System.out.println("image content length: " + len);
                             System.out.println("------------------------------------");
                             //准备上传图片数据
                             byte[] buffer = null;  InputStream fis=null;
                             if(len>=1000000){
                                 System.err.println(imgid+"====Scale:"+1000000.0f/len);
                                 Thumbnails.of(new URL(serverpath+imgid)).outputFormat("jpeg").scale(1)   
//                                 .scale(1000000.0f/len)  
                                 .toFile("temp.jpg");  
                                 fis = new FileInputStream("temp.jpg");
                             }else{
                                 fis = entity.getContent();  
                             }
                                     ByteArrayOutputStream bos = new ByteArrayOutputStream(1024);  
                                     byte[] b = new byte[1024];  
                                     int n;  
                                     while ((n = fis.read(b)) != -1) {  
                                         bos.write(b, 0, n);  
                                     }  
                                     fis.close();  
                                     bos.close();  
                                     buffer = bos.toByteArray();  
                                 EntityUtils.consume(entity);
                                 
                                 //开始上传
                                 HttpPost httppost = new HttpPost(NEW_IMG_SERVER_URL);
                                 
                                 ByteArrayEntity byteArrayEntity = new ByteArrayEntity(buffer);
                                 httppost.setEntity(byteArrayEntity);
                                 httppost.addHeader("Content-Type", "jpeg");
                                 
                                 System.out.println("executing request " + httppost.getRequestLine());
                                 Header[] headers =  httppost.getAllHeaders();
                                 response = httpclient.execute(httppost);
                                 
                                 System.out.println("----------------Response-----------------------");
                                 System.out.println(response.getStatusLine());
                                 HttpEntity resEntity = response.getEntity();
                                 if (resEntity != null) {
                                     String resp = EntityUtils.toString(resEntity);
                                     System.out.println("Response content length: " + resEntity.getContentLength());
                                     System.out.println("Response content : " + resp);
                                     ImgInfo o = JsonUtil.fromJsonToObject(resp, ImgInfo.class);
                                     if(o==null || o.getInfo()==null){
                                         return null;
                                     }
                                     return  o.getInfo().getMd5();
                                 }
                                 
                                 EntityUtils.consume(resEntity);
                         }else{
                             return null;
                         }
                         
                     } catch (ClientProtocolException e) {
                        e.printStackTrace();
                        return null;
                    } catch (IOException e) {
                        e.printStackTrace();
                        return null;
                    } catch (URISyntaxException e) {
                        e.printStackTrace();
                        return null;
                    } finally {
                         try {
                             if(response!=null){
                                 response.close();
                                 response = null;
                             }
                            httpclient.close();
                        } catch (IOException e) {
                            e.printStackTrace();
                        }
                     }
                    return null;

    }
    
    public static  String readFileAndUpload(File file) {
        
        CloseableHttpClient httpclient = HttpClients.createDefault();
        CloseableHttpResponse response = null;
        try {
                //准备上传图片数据
                byte[] buffer = null;  InputStream fis = new FileInputStream(file);
                ByteArrayOutputStream bos = new ByteArrayOutputStream(1024);  
                byte[] b = new byte[1024];  
                int n;  
                while ((n = fis.read(b)) != -1) {  
                    bos.write(b, 0, n);  
                }  
                fis.close();  
                bos.close();  
                buffer = bos.toByteArray();  
                
                //开始上传
                HttpPost httppost = new HttpPost(NEW_IMG_SERVER_URL);
                
                ByteArrayEntity byteArrayEntity = new ByteArrayEntity(buffer);
                httppost.setEntity(byteArrayEntity);
                httppost.addHeader("Content-Type", "jpeg");
                
                System.out.println("executing request " + httppost.getRequestLine());
                Header[] headers =  httppost.getAllHeaders();
                response = httpclient.execute(httppost);
                
                System.out.println("----------------Response-----------------------");
                System.out.println(response.getStatusLine());
                HttpEntity resEntity = response.getEntity();
                if (resEntity != null) {
                    String resp = EntityUtils.toString(resEntity);
                    System.out.println("Response content length: " + resEntity.getContentLength());
                    System.out.println("Response content : " + resp);
                    ImgInfo o = JsonUtil.fromJsonToObject(resp, ImgInfo.class);
                    if(o==null || o.getInfo()==null){
                        return null;
                    }
                    return  o.getInfo().getMd5();
                }
                
                EntityUtils.consume(resEntity);
            
        } catch (ClientProtocolException e) {
            e.printStackTrace();
            return null;
        } catch (IOException e) {
            e.printStackTrace();
            return null;
        } finally {
            try {
                if(response!=null){
                    response.close();
                    response = null;
                }
                httpclient.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return null;
        
    }