/**
    * This file Copyright (c) 2010-2016 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.module.blossom.support;
  
  import info.magnolia.cms.util.ServletUtil;
  
  import java.util.Collections;
  import java.util.Enumeration;
  import java.util.LinkedHashMap;
  import java.util.Map;
  import javax.servlet.FilterConfig;
  import javax.servlet.ServletConfig;
  import javax.servlet.ServletContext;
  
  /**
   * FilterConfig implementation for manually initializing servlets.
   *
   * @since 1.2
   */
  public class CustomFilterConfig implements FilterConfig {
  
      private String filterName;
      private ServletContext servletContext;
      private Map<String, String> initParameters;
  
      public CustomFilterConfig(String filterName, ServletContext servletContext, Map<String, String> initParameters) {
          this.filterName = filterName;
          this.servletContext = servletContext;
          this.initParameters = initParameters;
      }
  
      public CustomFilterConfig(String filterName, ServletContext servletContext) {
          this(filterName, servletContext, new LinkedHashMap<String, String>());
      }
  
      public CustomFilterConfig(FilterConfig config) {
          this(config.getFilterName(), config.getServletContext(), ServletUtil.initParametersToMap(config));
      }
  
      public CustomFilterConfig(ServletConfig config) {
          this(config.getServletName(), config.getServletContext(), ServletUtil.initParametersToMap(config));
      }
  
      @Override
      public String getFilterName() {
          return filterName;
      }
  
      @Override
      public ServletContext getServletContext() {
          return servletContext;
      }
  
      @Override
      public String getInitParameter(String name) {
          return initParameters.get(name);
      }
  
      @Override
      public Enumeration getInitParameterNames() {
          return Collections.enumeration(initParameters.keySet());
      }
  
      public void addInitParameters(Map<String, String> map) {
          this.initParameters.putAll(map);
      }
  
      public void addInitParameter(String name, String value) {
         this.initParameters.put(name, value);
     }
 
     public String removeInitParameter(String name) {
         return initParameters.remove(name);
     }
 }