HttpClientRequestFile

HttpClientRequestFile

    /**
     * 下载文件
     *  @param httpClient
     * @param url
     */
    public boolean httpGetFile(CloseableHttpClient httpClient, String url, java.io.File file) throws IOException {
        HttpGet httpGet = createHttpGet(url);
        httpGet.setHeader(HttpHeaders.USER_AGENT, Constant.USER_AGENT);
        CloseableHttpResponse response = httpClient.execute(httpGet);

        if (HttpStatus.SC_OK == response.getStatusLine().getStatusCode()) {
            HttpEntity entity = response.getEntity();
            if (entity.isStreaming()) {

                try (FileOutputStream out = new FileOutputStream(file);
                     InputStream in = entity.getContent();
                ) {
                    byte[] buff = new byte[8096];
                    int len = 0;

                    while ((len = in.read(buff)) != -1) {
                        out.write(buff, 0, len);
                    }
                    return true;

                } catch (Exception e) {
                    return false;
                }
            } else {
                return false;
            }

        } else {
            return false;
        }
    }