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;

}