CookieGenerator.java

package com.firefly.codec.http2.model;

import java.util.List;

import com.firefly.utils.VerifyUtils;

abstract public class CookieGenerator {

	public static String generateCookies(List<Cookie> cookies) {
		if (cookies == null) {
			throw new IllegalArgumentException("the cookie list is null");
		}

		if (cookies.size() == 1) {
			return generateCookie(cookies.get(0));
		} else if (cookies.size() > 1) {
			StringBuilder sb = new StringBuilder();

			sb.append(generateCookie(cookies.get(0)));
			for (int i = 1; i < cookies.size(); i++) {
				sb.append(';').append(generateCookie(cookies.get(i)));
			}

			return sb.toString();
		} else {
			throw new IllegalArgumentException("the cookie list size is 0");
		}
	}

	public static String generateCookie(Cookie cookie) {
		if (cookie == null) {
			throw new IllegalArgumentException("the cookie is null");
		} else {
			return cookie.getName() + '=' + cookie.getValue();
		}
	}

	public static String generateSetCookie(Cookie cookie) {
		if (cookie == null) {
			throw new IllegalArgumentException("the cookie is null");
		} else {
			StringBuilder sb = new StringBuilder();

			sb.append(cookie.getName()).append('=').append(cookie.getValue());

			if (VerifyUtils.isNotEmpty(cookie.getComment())) {
				sb.append(";Comment=").append(cookie.getComment());
			}

			if (VerifyUtils.isNotEmpty(cookie.getDomain())) {
				sb.append(";Domain=").append(cookie.getDomain());
			}
			if (cookie.getMaxAge() >= 0) {
				sb.append(";Max-Age=").append(cookie.getMaxAge());
			}

			String path = VerifyUtils.isEmpty(cookie.getPath()) ? "/" : cookie.getPath();
			sb.append(";Path=").append(path);

			if (cookie.getSecure()) {
				sb.append(";Secure");
			}

			sb.append(";Version=").append(cookie.getVersion());

			return sb.toString();
		}
	}

	public static String generateServletSetCookie(javax.servlet.http.Cookie cookie) {
		if (cookie == null) {
			throw new IllegalArgumentException("the cookie is null");
		} else {
			StringBuilder sb = new StringBuilder();

			sb.append(cookie.getName()).append('=').append(cookie.getValue());

			if (VerifyUtils.isNotEmpty(cookie.getComment())) {
				sb.append(";Comment=").append(cookie.getComment());
			}

			if (VerifyUtils.isNotEmpty(cookie.getDomain())) {
				sb.append(";Domain=").append(cookie.getDomain());
			}
			if (cookie.getMaxAge() >= 0) {
				sb.append(";Max-Age=").append(cookie.getMaxAge());
			}

			String path = VerifyUtils.isEmpty(cookie.getPath()) ? "/" : cookie.getPath();
			sb.append(";Path=").append(path);

			if (cookie.getSecure()) {
				sb.append(";Secure");
			}

			sb.append(";Version=").append(cookie.getVersion());

			return sb.toString();
		}
	}
}