Get entity inputstream which type is EofSensorInputStream

最新推荐文章于 2024-05-11 21:23:07 发布

lzynihao

最新推荐文章于 2024-05-11 21:23:07 发布

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本文详细介绍了如何将文件操作与HTTP请求整合在一起，包括使用FileOutputStream进行文件写入和通过HTTP客户端获取并保存远程资源到本地文件的流程。

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File targetFile = new File("foo.pdf");

if (entity != null) {
    InputStream inputStream = entity.getContent();
    OutputStream outputStream = new FileOutputStream(targetFile);
    IOUtils.copy(inputStream, outputStream);
    outputStream.close();
}

return targetFile;

InputStream is = entity.getContent();
String filePath = "sample.txt";
FileOutputStream fos = new FileOutputStream(new File(filePath));
int inByte;
while((inByte = is.read()) != -1)
     fos.write(inByte);
is.close();
fos.close();

BufferedInputStream bis = new BufferedInputStream(entity.getContent());
String filePath = "sample.txt";
BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(new File(filePath)));
int inByte;
while((inByte = bis.read()) != -1) bos.write(inByte);
bis.close();
bos.close();

 public ???? getFile(String url) throws ClientProtocolException, IOException{

            HttpGet httpget = new HttpGet(url);
            HttpResponse response = httpClient.execute(httpget);
            HttpEntity entity = response.getEntity();
            if (entity != null) {
                long len = entity.getContentLength();
                InputStream inputStream = entity.getContent();
                // How do I write it?
            }

            return null;
        }

File myFile = new File("mystuff.bin");

CloseableHttpClient client = HttpClients.createDefault();
try (CloseableHttpResponse response = client.execute(new HttpGet("http://host/stuff"))) {
    HttpEntity entity = response.getEntity();
    if (entity != null) {
        try (FileOutputStream outstream = new FileOutputStream(myFile)) {
            entity.writeTo(outstream);
        }
    }
}