/**
 * Licensed to Apereo under one or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information regarding copyright ownership. Apereo
 * licenses this file to you 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 the
 * following location:
 *
 * <p>http://www.apache.org/licenses/LICENSE-2.0
 *
 * <p>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 org.apereo.portal.portlet.delegation;

import java.util.concurrent.ConcurrentMap;
import javax.servlet.http.HttpServletRequest;
import org.apereo.portal.api.portlet.DelegationRequest;
import org.apereo.portal.portlet.om.IPortletWindowId;
import org.apereo.portal.url.IPortalRequestUtils;
import org.apereo.portal.utils.web.PortalWebUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

/**
 */
@Service
public class PortletDelegationManagerImpl implements IPortletDelegationManager {
    private static final String DELEGATION_REQUEST_MAP_ATTR =
            PortletDelegationManagerImpl.class.getName() + ".DELEGATION_REQUEST_MAP";

    private IPortalRequestUtils portalRequestUtils;

    @Autowired
    public void setPortalRequestUtils(IPortalRequestUtils portalRequestUtils) {
        this.portalRequestUtils = portalRequestUtils;
    }

    @Override
    public void setDelegationRequest(
            HttpServletRequest request,
            IPortletWindowId delegatePortletWindowId,
            DelegationRequest delegationRequest) {
        final ConcurrentMap<IPortletWindowId, DelegationRequest> delegationRequestMap =
                getDelegationRequestMap(request);
        delegationRequestMap.put(delegatePortletWindowId, delegationRequest);
    }

    @Override
    public DelegationRequest getDelegationRequest(
            HttpServletRequest request, IPortletWindowId delegatePortletWindowId) {
        final ConcurrentMap<IPortletWindowId, DelegationRequest> delegationRequestMap =
                getDelegationRequestMap(request);
        return delegationRequestMap.get(delegatePortletWindowId);
    }

    protected ConcurrentMap<IPortletWindowId, DelegationRequest> getDelegationRequestMap(
            HttpServletRequest request) {
        request = this.portalRequestUtils.getOriginalPortletOrPortalRequest(request);
        final ConcurrentMap<IPortletWindowId, DelegationRequest> delegationRequestMap =
                PortalWebUtils.getMapRequestAttribute(request, DELEGATION_REQUEST_MAP_ATTR);
        return delegationRequestMap;
    }
}