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 * as indicated by the @author tags.
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 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
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 *     http://www.apache.org/licenses/LICENSE-2.0
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package io.undertow.attribute;

import io.undertow.server.HttpServerExchange;
import io.undertow.server.handlers.Cookie;
import io.undertow.server.handlers.CookieImpl;

A response cookie
Author:Richard Opalka
/** * A response cookie * @author <a href="mailto:ropalka@redhat.com">Richard Opalka</a> */
public class ResponseCookieAttribute implements ExchangeAttribute { private static final String TOKEN_PREFIX = "%{resp-cookie,"; private final String cookieName; public ResponseCookieAttribute(final String cookieName) { this.cookieName = cookieName; } @Override public String readAttribute(final HttpServerExchange exchange) { for (Cookie cookie : exchange.responseCookies()) { if (cookieName.equals(cookie.getName())) { return cookie.getValue(); } } return null; } @Override public void writeAttribute(final HttpServerExchange exchange, final String newValue) throws ReadOnlyAttributeException { exchange.setResponseCookie(new CookieImpl(cookieName, newValue)); } @Override public String toString() { return TOKEN_PREFIX + cookieName + "}"; } public static final class Builder implements ExchangeAttributeBuilder { @Override public String name() { return "Response cookie"; } @Override public ExchangeAttribute build(final String token) { if (token.startsWith(TOKEN_PREFIX) && token.endsWith("}")) { final String cookieName = token.substring(TOKEN_PREFIX.length(), token.length() - 1); return new ResponseCookieAttribute(cookieName); } return null; } @Override public int priority() { return 0; } } }