/*
 * Copyright (c) 2010 Lockheed Martin Corporation
 *
 * 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 org.eurekastreams.server.action.execution.settings;

import java.io.Serializable;
import java.util.Collection;
import java.util.Map;

import org.eurekastreams.commons.actions.ExecutionStrategy;
import org.eurekastreams.commons.actions.context.PrincipalActionContext;

/**
 * Updates settings using a list of strategies.
 */
public class UpdateSettingsExecution implements ExecutionStrategy<PrincipalActionContext>
{
    /** Strategies for updaing settings. */
    private Collection<SettingsUpdater> updaters;

    /**
     * Constructor.
     *
     * @param inUpdaters
     *            List of updaters.
     */
    public UpdateSettingsExecution(final Collection<SettingsUpdater> inUpdaters)
    {
        updaters = inUpdaters;
    }


    /**
     * {@inheritDoc}
     */
    @Override
    public Serializable execute(final PrincipalActionContext inActionContext)
    {
        for (SettingsUpdater updater : updaters)
        {
            updater.update((Map<String, Serializable>) inActionContext.getParams(), inActionContext.getPrincipal());
        }
        return true;
    }
}