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use std::collections::HashMap;
use std::fmt;
use crate::http_status::get_status_text;
pub struct Response {
code: u16,
headers: HashMap<String, String>,
body: Vec<u8>,
}
// TODO(andrew): add more constructors for different content types.
impl Response {
pub fn html(html: String, status_code: u16) -> Response {
let mut headers = HashMap::new();
headers.insert( String::from("Content-Type")
, String::from("text/html") );
return Response {
code: status_code,
headers: headers,
body: html.as_bytes().to_vec(),
};
}
pub fn format<'a>(&self) -> Vec<u8> {
let status_text = match get_status_text(self.code) {
Some(text) => text,
None => String::from("UNDEFINED")
};
let mut data = Vec::new();
let first_line = format!("HTTP/1.1 {} {}", self.code, status_text);
let headers = format_headers(&self.headers);
let head = format!("{}\r\n{}\r\n", first_line, headers);
data.extend_from_slice(head.as_bytes());
data.extend_from_slice(&self.body);
return data;
}
}
impl fmt::Display for Response {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
return write!(f, "Response({})", self.code);
}
}
fn format_headers(headers: &HashMap<String, String>) -> String {
let mut result = String::new();
for (key, value) in headers.iter() {
let line = format!("{}: {}\r\n", key, value);
result.push_str(&line);
}
return result;
}
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