public void getObjectSample() {
// 构造下载文件请求
GetObjectRequest get = new GetObjectRequest(testBucket, testObject);
try {
// 同步执行下载请求，返回结果
GetObjectResult getResult = oss.getObject(get);
Log.d("Content-Length", "" + getResult.getContentLength());
// 获取文件输入流
InputStream inputStream = getResult.getObjectContent();
byte[] buffer = new byte[2048];
int len;
while ((len = inputStream.read(buffer)) != -1) {
// 处理下载的数据，比如图片展示或者写入文件等
Log.d("asyncGetObjectSample", "read length: " + len);
}
Log.d("asyncGetObjectSample", "download success.");
// 下载后可以查看文件元信息
ObjectMetadata metadata = getResult.getMetadata();
Log.d("ContentType", metadata.getContentType());
} catch (ClientException e) {
// 本地异常如网络异常等
e.printStackTrace();
} catch (ServiceException e) {
// 服务异常
Log.e("RequestId", e.getRequestId());
Log.e("ErrorCode", e.getErrorCode());
Log.e("HostId", e.getHostId());
Log.e("RawMessage", e.getRawMessage());
} catch (IOException e) {
e.printStackTrace();
}
}
@Override
public GetObjectResult parse(Response response) throws IOException {
GetObjectResult result = new GetObjectResult();
result.setRequestId(response.header(OSSHeaders.OSS_HEADER_REQUEST_ID));
result.setStatusCode(response.code());
result.setResponseHeader(parseResponseHeader(response));
result.setMetadata(parseObjectMetadata(result.getResponseHeader()));
result.setContentLength(response.body().contentLength());
result.setObjectContent(response.body().byteStream());
// keep body stream open for reading content
return result;
}