core/play/src/main/java/play/core/cookie/encoding/ServerCookieEncoder.java
public String encode(Cookie cookie) {
    if (cookie == null) {
      throw new NullPointerException("cookie");
    }
    final String name = cookie.name();
    final String value = cookie.value() != null ? cookie.value() : "";

    validateCookie(name, value);

    StringBuilder buf = new StringBuilder();

    if (cookie.wrap()) {
      addQuoted(buf, name, value);
    } else {
      add(buf, name, value);
    }

    if (cookie.maxAge() != Integer.MIN_VALUE) {
      add(buf, CookieHeaderNames.MAX_AGE, cookie.maxAge());
      Date expires =
          cookie.maxAge() <= 0
              ? new Date(0) // Set expires to the Unix epoch
              : new Date(cookie.maxAge() * 1000L + System.currentTimeMillis());
      add(buf, CookieHeaderNames.EXPIRES, HttpHeaderDateFormat.get().format(expires));
    }

    if (cookie.sameSite() != null) {
      add(buf, CookieHeaderNames.SAMESITE, cookie.sameSite());
    }

    if (cookie.path() != null) {
      add(buf, CookieHeaderNames.PATH, cookie.path());
    }

    if (cookie.domain() != null) {
      add(buf, CookieHeaderNames.DOMAIN, cookie.domain());
    }
    if (cookie.isSecure()) {
      add(buf, CookieHeaderNames.SECURE);
    }
    if (cookie.isHttpOnly()) {
      add(buf, CookieHeaderNames.HTTPONLY);
    }

    return stripTrailingSeparator(buf);
  }
public String encode(Cookie cookie) {
    if (cookie == null) {
      throw new NullPointerException("cookie");
    }
    final String name = cookie.name();
    final String value = cookie.value() != null ? cookie.value() : "";

    validateCookie(name, value);

    StringBuilder buf = new StringBuilder();

    if (cookie.wrap()) {
      addQuoted(buf, name, value);
    } else {
      add(buf, name, value);
    }

    if (cookie.maxAge() != Integer.MIN_VALUE) {
      add(buf, CookieHeaderNames.MAX_AGE, cookie.maxAge());
      Date expires =
          cookie.maxAge() <= 0
              ? new Date(0) // Set expires to the Unix epoch
              : new Date(cookie.maxAge() * 1000L + System.currentTimeMillis());
      add(buf, CookieHeaderNames.EXPIRES, HttpHeaderDateFormat.get().format(expires));
    }

    if (cookie.sameSite() != null) {
      add(buf, CookieHeaderNames.SAMESITE, cookie.sameSite());
    }

    if (cookie.path() != null) {
      add(buf, CookieHeaderNames.PATH, cookie.path());
    }

    if (cookie.domain() != null) {
      add(buf, CookieHeaderNames.DOMAIN, cookie.domain());
    }
    if (cookie.isSecure()) {
      add(buf, CookieHeaderNames.SECURE);
    }
    if (cookie.isHttpOnly()) {
      add(buf, CookieHeaderNames.HTTPONLY);
    }

    return stripTrailingSeparator(buf);
  }
public String encode ( Cookie cookie ) { if ( cookie == null ) { throw new NullPointerException ( "cookie" ) ; } final String name = cookie . name ( ) ; final String value = cookie . value ( ) != null ? cookie . value ( ) : "" ; validateCookie ( name , value ) ; StringBuilder buf = new StringBuilder ( ) ; if ( cookie . wrap ( ) ) { addQuoted ( buf , name , value ) ; } else { add ( buf , name , value ) ; } if ( cookie . maxAge ( ) != Integer . MIN_VALUE ) { add ( buf , CookieHeaderNames . MAX_AGE , cookie . maxAge ( ) ) ; Date expires = cookie . maxAge ( ) <= 0 ? new Date ( 0 ) // Set expires to the Unix epoch : new Date ( cookie . maxAge ( ) * 1000L + System . currentTimeMillis ( ) ) ; add ( buf , CookieHeaderNames . EXPIRES , HttpHeaderDateFormat . get ( ) . format ( expires ) ) ; } if ( cookie . sameSite ( ) != null ) { add ( buf , CookieHeaderNames . SAMESITE , cookie . sameSite ( ) ) ; } if ( cookie . path ( ) != null ) { add ( buf , CookieHeaderNames . PATH , cookie . path ( ) ) ; } if ( cookie . domain ( ) != null ) { add ( buf , CookieHeaderNames . DOMAIN , cookie . domain ( ) ) ; } if ( cookie . isSecure ( ) ) { add ( buf , CookieHeaderNames . SECURE ) ; } if ( cookie . isHttpOnly ( ) ) { add ( buf , CookieHeaderNames . HTTPONLY ) ; } return stripTrailingSeparator ( buf ) ; }
Encodes the specified cookie into a Set-Cookie header value.

@param cookie the cookie
@return a single Set-Cookie header value
Encodes the specified cookie into a Set - Cookie header value .