package org.apache.archiva.rest.services;
   /*
    * 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.
   */
  
  import org.apache.archiva.rest.api.services.ArchivaRestServiceException;
  import org.apache.archiva.rest.api.services.PluginsService;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.context.ApplicationContext;
  import org.springframework.core.io.Resource;
  import org.springframework.stereotype.Service;
  
  import javax.inject.Inject;
  import java.io.IOException;
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.List;
  
  /**
   * @author Eric Barboni
   * @since 1.4.0
   */
  @Service( "pluginsService#rest" )
  public class DefaultPluginsServices
      implements PluginsService
  {
  
      private List<String> repositoryType = new ArrayList<>();
  
      private List<String> adminFeatures = new ArrayList<>();
  
      private ApplicationContext applicationContext;
  
      private Logger log = LoggerFactory.getLogger( getClass() );
  
      private String adminPlugins;
  
      @Inject
      public DefaultPluginsServices( ApplicationContext applicationContext )
          throws IOException
      {
          log.debug( "init DefaultPluginsServices" );
          this.applicationContext = applicationContext;
  
          // rebuild
          repositoryType = feed( "repository" );
          log.debug( "feed {}:{}", "repository" , repositoryType);
          adminFeatures = feed( "features" );
          log.debug( "feed {}:{}", "features", adminFeatures );
          StringBuilder sb = new StringBuilder();
          for ( String repoType : repositoryType )
          {
              sb.append( repoType ).append( "|" );
          }
          for ( String repoType : adminFeatures )
          {
              sb.append( repoType ).append( "|" );
          }
          log.debug( "getAdminPlugins: {}", sb );
          if ( sb.length() > 1 )
          {
              adminPlugins = sb.substring( 0, sb.length() - 1 );
          }
          else
          {
              adminPlugins = sb.toString();
          }
      }
  
      private List<String> feed( String key )
          throws IOException
      {
          log.info( "Feeding: {}", key );
          Resource[] xmlResources = applicationContext.getResources( "/**/" + key + "/**/main.js" );
          if (xmlResources == null)
          {
              return Collections.emptyList();
          }
          List<String> repository = new ArrayList<>( xmlResources.length );
          for ( Resource rc : xmlResources )
          {
              String tmp = rc.getURL().toString();
              tmp = tmp.substring( tmp.lastIndexOf( key ) + key.length() + 1, tmp.length() - 8 );
             repository.add( "archiva/admin/" + key + "/" + tmp + "/main" );
         }
         return repository;
     }
 
     @Override
     public String getAdminPlugins()
         throws ArchivaRestServiceException
     {
         return adminPlugins;
     }
 }