使用java rest客户端获取zip文件（restEasy） [英] Getting a zip file with a java rest client (restEasy)

问题描述

每个人。

我开始使用restEasy（jboss）java rest客户端，遇到了一个我似乎无法解决的问题。
到目前为止，我可以使用它从休息服务器（字符串形式）带回json。
然而，我需要的其他服务之一带回一个zip文件。我偶然发现了一个问题。
以下是代码：

I started to use the restEasy (jboss) java rest client and met a problem I cannot seem to solve. So far, I could use it to bring back json from the rest server (string form). One of the rest service I need brings back a zip file, however. And I stumbled on a problem. Here is the code :

ClientRequest req = new ClientRequest("rest service url"); //the url is good

ClientResponse<String> res = null;

res = req.get(String.class);

ZipInputStream zip = new ZipInputStream(new 
        ByteArrayInputStream(res.getEntity().getBytes()));

ZipEntry zipEntry = zip.getNextEntry();
        System.out.println(zipEntry.getName()); 
   //here, I print the name of the first file in my archive, so, I seem to have a    
   // zip file indeed

String jsonString = IOUtils.toString(zip); 
   //bam, this is causing a zipException : invalid block type

谷歌告诉我这是读取zip文件的正确方法。我也尝试逐字节读取它，它会在zip.read（）上抛出sams异常。

Google told me that it was the correct way to read a zip file. I tried to read it byte by byte, too, and It throws the sams exception on zip.read().

我做错了什么？
如何阅读文件内容？

Did I do something wrong? What Should I do to read the content of my file?

我很感激有关此事的任何见解。
谢谢

I would be gratefull for any insight on that matter. Thanks

PS：对不起，如果我听起来很奇怪，英语不是我的第一语言。

P.S : Sorry if I sound strange, English is not my first language.

推荐答案

URL url = new URL("http://xyz.com/download.zip");
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod("GET");
IntpuStream in = connection.getInputStream();
FileOutputStream out = new FileOutputStream("download.zip");
copy(in, out, 1024);
out.close();


  public static void copy(InputStream input, OutputStream output, int bufferSize) throws IOException {
    byte[] buf = new byte[bufferSize];
    int n = input.read(buf);
    while (n >= 0) {
      output.write(buf, 0, n);
      n = input.read(buf);
    }
    output.flush();
  }

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