/*
 * Copyright (C) 2003-2007 eXo Platform SAS.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see<http://www.gnu.org/licenses/>.
 */
package org.exoplatform.services.command.action;

import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;

/**
 * Created by The eXo Platform SAS.
 * 
 * @author Gennady Azarenkov
 * @version $Id: $
 */

public class ActionCatalog {

  private Map<ActionMatcher, Action> commands;

  public ActionCatalog() {
    this.commands = new HashMap<ActionMatcher, Action>();
  }

  public Set<Action> getAllActions() {
    return new HashSet<Action>(commands.values());
  }

  public Map<ActionMatcher, Action> getAllEntries() {
    return commands;
  }

  public Set<Action> getActions(Condition conditions) {
    HashSet<Action> actions = new HashSet<Action>();
    for (Map.Entry<ActionMatcher, Action> entry : commands.entrySet()) {
      if (entry.getKey().match(conditions))
        actions.add(entry.getValue());
    }
    return actions;
  }

  public Action getAction(Condition conditions, int index) {
    Iterator<Action> actions = getActions(conditions).iterator();
    for (int i = 0; actions.hasNext(); i++) {
      Action c = actions.next();
      if (i == index)
        return c;
    }
    return null;
  }

  public void addAction(ActionMatcher matcher, Action action) {
    commands.put(matcher, action);
  }

  public void clear() {
    commands.clear();
  }
}