/*
 * 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.container.configuration;

import java.io.InputStream;
import java.net.URL;
import java.util.Collection;

import org.exoplatform.container.xml.Component;
import org.exoplatform.container.xml.Configuration;

/**
 * Jul 19, 2004
 * 
 * @author: Tuan Nguyen
 * @email: tuan08@users.sourceforge.net
 * @version: $Id: ConfigurationManager.java 5799 2006-05-28 17:55:42Z geaz $
 */
public interface ConfigurationManager {
  public Configuration getConfiguration();

  public Component getComponent(String service);

  public Component getComponent(Class clazz) throws Exception;

  public Collection getComponents();

  public void addConfiguration(String url) throws Exception;

  public void addConfiguration(Collection urls) throws Exception;

  public void addConfiguration(URL url) throws Exception;

  public URL getResource(String url, String defaultURL) throws Exception;

  public URL getResource(String url) throws Exception;

  public InputStream getInputStream(String url, String defaultURL) throws Exception;

  public InputStream getInputStream(String url) throws Exception;

  public boolean isDefault(String value);

  public URL getURL(String uri) throws Exception;
}