com.stormpath.sdk.servlet.http.CookieResolver Maven / Gradle / Ivy

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/*
 * Copyright 2014 Stormpath, Inc.
 *
 * 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 com.stormpath.sdk.servlet.http;

import com.stormpath.sdk.lang.Assert;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class CookieResolver implements Resolver {

    private final String name;

    public CookieResolver(String name) {
        Assert.hasText(name, "cookie name argument cannot be null or empty.");
        this.name = name;
    }

    @Override
    public Cookie get(HttpServletRequest request, HttpServletResponse response) {

        Cookie[] cookies = request.getCookies();

        if (cookies == null) {
            return null;
        }

        for (Cookie cookie : cookies) {
            if (this.name.equals(cookie.getName())) {
                return cookie;
            }
        }

        return null;
    }
}