/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
    * with the License.  You may obtain a copy of the License at
    *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package org.apache.chemistry.opencmis.client.runtime;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Map;
  
  import org.apache.chemistry.opencmis.client.api.ObjectFactory;
  import org.apache.chemistry.opencmis.client.api.Repository;
  import org.apache.chemistry.opencmis.client.api.Session;
  import org.apache.chemistry.opencmis.client.api.SessionFactory;
  import org.apache.chemistry.opencmis.client.runtime.cache.Cache;
  import org.apache.chemistry.opencmis.client.runtime.repository.RepositoryImpl;
  import org.apache.chemistry.opencmis.commons.SessionParameter;
  import org.apache.chemistry.opencmis.commons.data.RepositoryInfo;
  import org.apache.chemistry.opencmis.commons.exceptions.CmisBaseException;
  import org.apache.chemistry.opencmis.commons.spi.AuthenticationProvider;
  import org.apache.chemistry.opencmis.commons.spi.CmisBinding;
  
  /**
   * Default implementation of a session factory. Used by unit tests or
   * applications that depend directly on runtime implementation.
   * <p>
   * <code>
   * SessionFactory sf = new SessionFactoryImpl();<br>
   * Session s = sf.createSession(...);
   * </code>
   * <p>
   * Alternative factory lookup methods:
   * <p>
   * <p>
   * <code>
   * Context ctx = new DefaultContext();<br>
   * SessionFactory = ctx.lookup(jndi_key);
   * </code>
   */
  public class SessionFactoryImpl implements SessionFactory {
  
      protected SessionFactoryImpl() {
      }
  
      public static SessionFactoryImpl newInstance() {
          return new SessionFactoryImpl();
      }
  
      public Session createSession(Map<String, String> parameters) {
          return createSession(parameters, null, null, null);
      }
  
      /**
       * Creates a new session. The provided object factory, authentication
       * provider and cache instance override the values in the session parameters
       * if they are not <code>null</code>.
       * 
       * @param parameters
       *            a {@code Map} of name/value pairs with parameters for the
       *            session
       * @param objectFactory
       *            an object factory instance
       * @param authenticationProvider
       *            an authentication provider instance
       * @param cache
       *            a cache instance
       * @return a {@link Session} connected to the CMIS repository
       * @throws CmisBaseException
       *             if the connection could not be established
       * 
       * @see SessionParameter
       */
      public Session createSession(Map<String, String> parameters, ObjectFactory objectFactory,
              AuthenticationProvider authenticationProvider, Cache cache) {
          SessionImpl session = new SessionImpl(parameters, objectFactory, authenticationProvider, cache);
          session.connect();
  
          return session;
      }
  
      public List<Repository> getRepositories(Map<String, String> parameters) {
          return getRepositories(parameters, null, null, null);
      }
  
      /**
      * Returns all repositories that are available at the endpoint. See
      * {@link #createSession(Map, ObjectFactory, AuthenticationProvider, Cache)}
      * for parameter details. The parameter
      * {@code SessionParameter.REPOSITORY_ID} should not be set.
      */
     public List<Repository> getRepositories(Map<String, String> parameters, ObjectFactory objectFactory,
             AuthenticationProvider authenticationProvider, Cache cache) {
         CmisBinding binding = CmisBindingHelper.createBinding(parameters, authenticationProvider);
 
         List<RepositoryInfo> repositoryInfos = binding.getRepositoryService().getRepositoryInfos(null);
 
         List<Repository> result = new ArrayList<Repository>();
         for (RepositoryInfo data : repositoryInfos) {
             result.add(new RepositoryImpl(data, parameters, this, objectFactory, authenticationProvider, cache));
         }
 
         return result;
     }
 }