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/*
 * #%L
 * Wisdom-Framework
 * %%
 * Copyright (C) 2013 - 2014 Wisdom Framework
 * %%
 * 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.
 * #L%
 */
package org.wisdom.engine.wrapper.cookies;

import com.google.common.collect.Maps;
import io.netty.handler.codec.http.CookieDecoder;
import io.netty.handler.codec.http.HttpHeaders;
import io.netty.handler.codec.http.HttpRequest;
import org.wisdom.api.cookies.Cookie;
import org.wisdom.api.cookies.Cookies;

import java.util.Map;
import java.util.Set;

/**
 * Implementation of cookies based on HTTP Servlet Cookies.
 */
public class CookiesImpl implements Cookies {

    private Map cookies = Maps.newTreeMap();

    public CookiesImpl(HttpRequest request) {
        Set localCookies;
        String value = request.headers().get(HttpHeaders.Names.COOKIE);
        if (value != null) {
            localCookies = CookieDecoder.decode(value);
            for (io.netty.handler.codec.http.Cookie cookie : localCookies) {
                this.cookies.put(cookie.getName(), CookieHelper.convertNettyCookieToWisdomCookie(cookie));
            }
        }

    }

    /**
     * @param name Name of the cookie to retrieve
     * @return the cookie that is associated with the given name, or null if there is no such cookie
     */
    @Override
    public Cookie get(String name) {
        return cookies.get(name);
    }
}