Question

I am posting data with embedded double quotes from a libcurl client to a Tomcat servlet.
The servlet reads the data and sends it back to my client.

What I send looks like this

{
   "id": 1,
   "name": "Foo",
}

But what I receive from the servlet looks like this

{
   \"id\": 1,
   \"name\": \"Foo\"
}

i.e. all the double quotes get escaped.

How do I prevent the servlet from escaping the quotes?
My servlet is doing something like this inside the doPost method

public void doPost(HttpServletRequest request,
                      HttpServletResponse response)
        throws IOException, ServletException
{
    BufferedReader reader = request.getReader();
    StringBuilder content = new StringBuilder();
    char[] buffer = new char[4 * 1024];
    int len = 0;
    while (len >= 0) { 
        len = reader.read(buffer, 0, buffer.length); 
        if (len > 0) { 
            content.append(buffer, 0, len);
        }
    }

    PrintWriter out = response.getWriter(); 
    out.print(content.toString())
}

Edit
This fixes my problem.

URLEncoder.encode(content.toString(),"UTF-8")

Answer 1

Encode the string before you write it.