/*
 *  Nutzerverwaltung - User and role management in your browser
 *  Copyright (C) 2011-2017 Ulrich Hilger, http://uhilger.de
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU 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 de.uhilger.um.api;

import de.uhilger.baselink.PersistenceManager;
import de.uhilger.baselink.Record;
import de.uhilger.transit.Access;
import de.uhilger.transit.web.RequestKontext;
import de.uhilger.transit.web.WebKontext;
import static de.uhilger.um.api.UserMgr.UM_DB;
import java.util.Properties;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;

/**
 *
 */
public abstract class Api implements WebKontext, RequestKontext {
  
  /** Zeiger zum Servlet-Kontext dieser Anwendung */
  private ServletContext ctx;
  
  private HttpServletRequest request;  
  
  protected PersistenceManager getDb() {
    return (PersistenceManager) ctx.getAttribute(UM_DB);
  }
  
  protected String getSql(String id) {
    Properties sql = (Properties) ctx.getAttribute(UserMgr.UM_SQL_PROPERTIES);
    return sql.getProperty(id);
  }
  
  protected Record getMapper(String mapperName) {
    Record record = null;
    Object o = getServletContext().getAttribute(mapperName);
    if(o instanceof Record) {
      record = (Record) o;
    }
    return record;
  }
  
  /* ------------- Implementierung WebKontext ------------- */

  @Override
  @Access(type = Access.Type.RESTRICT)
  public ServletContext getServletContext() {
    return ctx;
  }

  @Override
  @Access(type = Access.Type.RESTRICT)
  public void setServletContext(ServletContext servletContext) {
    this.ctx = servletContext;
  }
  
  /* ------------- Implementierung RequestKontext ------------- */

  @Override
  @Access(type = Access.Type.RESTRICT)
  public HttpServletRequest getRequest() {
    return request;
  }

  @Override
  @Access(type = Access.Type.RESTRICT)
  public void setRequest(HttpServletRequest r) {
    this.request = r;
  }
  
}