/*
* JBoss, Home of Professional Open Source.
* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.undertow.attribute;
import io.undertow.server.
HttpServerExchange;
import io.undertow.server.handlers.
Cookie;
import io.undertow.server.handlers.
CookieImpl;
/**
* A cookie
*
* @author Stuart Douglas
*/
public class
CookieAttribute implements
ExchangeAttribute {
private final
String cookieName;
public
CookieAttribute(final
String cookieName) {
this.
cookieName =
cookieName;
}
@
Override
public
String readAttribute(final
HttpServerExchange exchange) {
Cookie cookie =
exchange.
getRequestCookies().
get(
cookieName);
if (
cookie == null) {
return null;
}
return
cookie.
getValue();
}
@
Override
public void
writeAttribute(final
HttpServerExchange exchange, final
String newValue) throws
ReadOnlyAttributeException {
exchange.
setResponseCookie(new
CookieImpl(
cookieName,
newValue));
}
public static final class
Builder implements
ExchangeAttributeBuilder {
@
Override
public
String name() {
return "Cookie";
}
@
Override
public
ExchangeAttribute build(final
String token) {
if (
token.
startsWith("%{c,") &&
token.
endsWith("}")) {
final
String cookieName =
token.
substring(4,
token.
length() - 1);
return new
CookieAttribute(
cookieName);
}
return null;
}
@
Override
public int
priority() {
return 0;
}
}
}