httpClient，流作为文件上传

重构一段代码的经历。

源代码，400多行。跳来跳出真心看不懂写的是什么。

主要是把数据加密，写入文件，然后发送给第三方。

按照第三方的给的 dome，你必须  三次文件创建，三次文件写入，三次文件读取。好乱，性能非常差，而且代码杂乱无章，温馨

作为一名有洁癖的程序员，绝对要有统筹，要结构化。

真心不知道，为什么第三方用这么愚蠢的解决方案。我有N种方案处理。但是绝对不会用这么愚蠢的方案。

而

不说，上代码

package com


import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.OutputStream;
import org.apache.http.entity.mime.content.FileBody;
import org.apache.http.util.Args;
import org.apache.log4j.Logger;

public class OldFileBody extends FileBody {


    private static Logger logger = Logger.getLogger(OldFileBody.class);
    private byte[] text;   
    private static File file = new File("");

    private String fileName ;
    public OldFileBody(String text,String fileName) {
        this(text.getBytes(), fileName);
    }

    

    public OldFileBody(byte[] text,String fileName) {
        super(file);
        this.text = text;
        this.fileName = fileName;
    }


    public long getContentLength() {
        return this.text.length;
    }
    public String getFilename() {
        return fileName;
    }

    public void writeTo(final OutputStream out) throws IOException {
        Args.notNull(out, "Output stream");
        out.write(text);
    }
}



CloseableHttpClient httpclient = HttpClientBuilder.create().build();
        CloseableHttpResponse response = null;
        try {
            HttpPost httppost = new HttpPost(url);

            HttpEntity req = MultipartEntityBuilder.create().setMode(HttpMultipartMode.BROWSER_COMPATIBLE)
                    .addPart("files", new OldFileBody(bos.toByteArray(),"de.txt.gz"))
                    .build();
            httppost.setEntity(req);

            response = httpclient.execute(httppost);

            HttpEntity re = response.getEntity();
            System.out.println(response.getStatusLine());
            if (re != null) {
                System.out.println(
                        "Response content: " + new BufferedReader(new InputStreamReader(re.getContent())).readLine());
            }
            EntityUtils.consume(re);
        } finally {
            try {
                response.close();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }