如何将多个元素放入java的byte []中

Question

如何将多个元素放入byte[]？我有以下3个元素：1）String data,2）String status和3）HashMap<String,String> headers，它们需要作为字节数组传递给setContent(byte[] data)。下面是我想用以前的3个参数作为输入statusResult.setContent()代码：

public void onSuccess(ClientResponse clientResponse){ 
     String data=clientResponse.getMessage(); 
     String status=String.valueOf(clientResponse.getStatus()); 
     HashMap<String,String> headers=clientResponse.getHeaders(); 

    // Now StatusResult is a class where we need to pass all this data,having only getters and 
    // setters for Content,so here in the next line i need to pass data,status and headers as 
    // a byte[] to setContent. 

     statusResult.setContent(byte[]); 
} 

有人可以帮我解决了这一点？

Answer 1

这是粗略的序列化。我会建议如下：

1. 创建封装三个元素的类。
2. 确保类implementsserializable接口。
3. 使用下面的代码[从this post]采取创建一个字节数组，你想，从字节数组读取对象回（它，尽管你还没有指定的要求，但需要提到的完整性）的缘故

ByteArrayOutputStream bos = new ByteArrayOutputStream(); 
ObjectOutput out = null; 
try { 
    //Assuming that bos is the object to be seriaized 
    out = new ObjectOutputStream(bos); 
    out.writeObject(yourObject); 
    byte[] yourBytes = bos.toByteArray(); 
    ... 
} finally { 
    try { 
    if (out != null) { 
     out.close(); 
    } 
    } catch (IOException ex) { 
    // ignore close exception 
    } 
    try { 
    bos.close(); 
    } catch (IOException ex) { 
    // ignore close exception 
    } 
} 
//Create object from bytes: 

ByteArrayInputStream bis = new ByteArrayInputStream(yourBytes); 
ObjectInput in = null; 
try { 
    in = new ObjectInputStream(bis); 
    Object o = in.readObject(); 
    ... 
} finally { 
    try { 
    bis.close(); 
    } catch (IOException ex) { 
    // ignore close exception 
    } 
    try { 
    if (in != null) { 
     in.close(); 
    } 
    } catch (IOException ex) { 
    // ignore close exception 
    } 
}