com.art4ul.jcoon.handlers.CookieValueAnnotationAfterHandler.java Source code

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Here is the source code for com.art4ul.jcoon.handlers.CookieValueAnnotationAfterHandler.java

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/*
 * Copyright (C) 2014 Artsem Semianenka (http://art4ul.com/)
 *
 * 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.art4ul.jcoon.handlers;

import com.art4ul.jcoon.annotations.infrastructure.After;
import com.art4ul.jcoon.annotations.infrastructure.ProcessAnnotation;
import com.art4ul.jcoon.context.Context;
import com.art4ul.jcoon.models.Wrapper;
import org.springframework.http.HttpHeaders;
import org.springframework.web.bind.annotation.CookieValue;

import java.lang.annotation.Annotation;
import java.util.List;

/**
 * Created by Artsem Semianenka
 * Website: http://art4ul.com
 * 12/20/14.
 */

@ProcessAnnotation(CookieValue.class)
@After
public class CookieValueAnnotationAfterHandler implements ParamAnnotationHandler {
    @Override
    public void doHandle(Context context, Annotation annotation, Object paramValue) {
        if (paramValue != null && paramValue instanceof Wrapper) {
            Wrapper wrapper = ((Wrapper) paramValue);
            Object paramValueparamObj = wrapper.getValue();
            CookieValue cookieValueAnnotation = (CookieValue) annotation;

            HttpHeaders httpHeaders = context.getResponseEntity().getHeaders();
            List<String> cookies = httpHeaders.get("Set-Cookie");
            String cookie = getCookieByNameFromList(cookies, cookieValueAnnotation.value());
            wrapper.setValue(cookie);
        }
    }

    private String getCookieByNameFromList(List<String> cookies, String cookieName) {
        String result = null;
        for (String c : cookies) {
            if (c.startsWith(cookieName + "=")) {
                String cookie = c.replace(cookieName + "=", "");
                return cookie;
            }
        }
        return result;
    }
}