/**
 * This file Copyright (c) 2011-2012 Magnolia International
 * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
 *
 *
 * This file is dual-licensed under both the Magnolia
 * Network Agreement and the GNU General Public License.
 * You may elect to use one or the other of these licenses.
 *
 * This file is distributed in the hope that it will be
 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
 * implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
 * Redistribution, except as permitted by whichever of the GPL
 * or MNA you select, is prohibited.
 *
 * 1. For the GPL license (GPL), you can redistribute and/or
 * modify this file under the terms of the GNU General
 * Public License, Version 3, as published by the Free Software
 * Foundation.  You should have received a copy of the GNU
 * General Public License, Version 3 along with this program;
 * if not, write to the Free Software Foundation, Inc., 51
 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * 2. For the Magnolia Network Agreement (MNA), this file
 * and the accompanying materials are made available under the
 * terms of the MNA which accompanies this distribution, and
 * is available at http://www.magnolia-cms.com/mna.html
 *
 * Any modifications to this file must keep this entire header
 * intact.
 *
 */
package info.magnolia.init.properties;

import info.magnolia.module.ModuleRegistry;
import info.magnolia.module.model.ModuleDefinition;
import info.magnolia.module.model.PropertyDefinition;

import java.util.List;
import java.util.Properties;
import java.util.Set;

/**
 * A {@link info.magnolia.init.PropertySource} exposing properties
 * from all known module descriptors.
 *
 * @see ModuleRegistry
 *
 * @author gjoseph
 * @version $Revision: $ ($Author: $)
 */
public class ModulePropertiesSource extends AbstractPropertySource {

    private final Set<String> moduleNames;

    public ModulePropertiesSource(final ModuleRegistry moduleRegistry) {
        super(new Properties() {{
            final List<ModuleDefinition> moduleDefinitions = moduleRegistry.getModuleDefinitions();
            for (ModuleDefinition module : moduleDefinitions) {
                for (PropertyDefinition property : module.getProperties()) {
                    put(property.getName(), property.getValue());
                }
            }
        }});
        moduleNames = moduleRegistry.getModuleNames();
    }

    @Override
    public String describe() {
        return "[" + getClass().getSimpleName() + " from modules " + moduleNames + "]";
    }
}