X-Git-Url: https://juplo.de/gitweb/?p=examples%2Ffacebook-app;a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fyourshouter%2FUserCookieGenerator.java;fp=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fyourshouter%2FUserCookieGenerator.java;h=0000000000000000000000000000000000000000;hp=48d7078093f9bf4eb0b27fc0bbf662f75a26eb39;hb=8f6d3c83aa9651e593b57b3d47cfd50a4ae73661;hpb=ca351a3eb7442fbb183aa62e1a58cd85bc1f2ef7 diff --git a/src/main/java/de/juplo/yourshouter/UserCookieGenerator.java b/src/main/java/de/juplo/yourshouter/UserCookieGenerator.java deleted file mode 100644 index 48d7078..0000000 --- a/src/main/java/de/juplo/yourshouter/UserCookieGenerator.java +++ /dev/null @@ -1,100 +0,0 @@ -package de.juplo.yourshouter; - - -import javax.servlet.http.Cookie; -import javax.servlet.http.HttpServletRequest; -import javax.servlet.http.HttpServletResponse; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; - -import org.springframework.web.util.CookieGenerator; -import org.thymeleaf.util.StringUtils; - - -/** - * Utility class for managing the cookie that remembers the user. - * - * @author Kai Moritz - */ -final class UserCookieGenerator -{ - private final static Logger LOG = - LoggerFactory.getLogger(UserCookieGenerator.class); - - public final static UserCookieGenerator INSTANCE = new UserCookieGenerator(); - - - private final CookieGenerator generator = new CookieGenerator(); - - - /** - * Constructs an instance of this class, using user as the - * cookie-name. - */ - private UserCookieGenerator() - { - generator.setCookieName("user"); - } - - - /** - * Creates a cookie with the name user, that stores the ID of - * the user for subsequent calls. - * - * @param user - * The ID of the current user - * @param response - * The {@link HttpServletResponse} to store the cookie in. - */ - public void addCookie(String user, HttpServletResponse response) - { - LOG.debug("adding cookie {}={}", generator.getCookieName(), user); - generator.addCookie(response, user); - } - - /** - * Removes the cookie with the name user by storing an empty - * string as its value. - * - * @param response - * The {@link HttpServletResponse} to remove the cookie from. - */ - public void removeCookie(HttpServletResponse response) - { - LOG.debug("removing cookie {}", generator.getCookieName()); - generator.addCookie(response, ""); - } - - /** - * Reads the current value of the cookie with the name user. - * - * @param request - * The {@link HttpServletRequest} to read the cookie-value from. - * @return - * The value of the cookie with the name user, or - * null, if no cookie by that name can be found or the value - * of the cookie is an empty string. - */ - public String readCookieValue(HttpServletRequest request) - { - String name = generator.getCookieName(); - Cookie[] cookies = request.getCookies(); - if (cookies != null) - { - for (Cookie cookie : cookies) - { - if (cookie.getName().equals(name)) - { - String value = cookie.getValue(); - if (!StringUtils.isEmptyOrWhitespace(value)) - { - LOG.debug("found cookie {}={}", name, value); - return value; - } - } - } - } - LOG.debug("cookie \"{}\" not found!", name); - return null; - } -}