package org.apache.archiva.configuration;
   
   /*
    * 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.policies.ReleasesPolicy;
  import org.apache.archiva.policies.SnapshotsPolicy;
  import org.apache.commons.lang.StringUtils;
  
  import java.io.IOException;
  import java.io.InputStream;
  import java.util.Enumeration;
  import java.util.Properties;
  import java.util.StringTokenizer;
  
  /**
   */
  public class MavenProxyPropertyLoader
  {
      private static final String REPO_LOCAL_STORE = "repo.local.store";
  
      private static final String PROXY_LIST = "proxy.list";
  
      private static final String REPO_LIST = "repo.list";
  
      public void load( Properties props, Configuration configuration )
          throws InvalidConfigurationException
      {
          // set up the managed repository
          String localCachePath = getMandatoryProperty( props, REPO_LOCAL_STORE );
  
          ManagedRepositoryConfiguration config = new ManagedRepositoryConfiguration();
          config.setLocation( localCachePath );
          config.setName( "Imported Maven-Proxy Cache" );
          config.setId( "maven-proxy" );
          config.setScanned( false );
          config.setReleases( true );
          config.setSnapshots( false );
          configuration.addManagedRepository( config );
  
          // Add the network proxies.
          String propertyList = props.getProperty( PROXY_LIST );
          if ( propertyList != null )
          {
              StringTokenizer tok = new StringTokenizer( propertyList, "," );
              while ( tok.hasMoreTokens() )
              {
                  String key = tok.nextToken();
                  if ( StringUtils.isNotEmpty( key ) )
                  {
                      NetworkProxyConfiguration proxy = new NetworkProxyConfiguration();
                      proxy.setHost( getMandatoryProperty( props, "proxy." + key + ".host" ) );
                      proxy.setPort( Integer.parseInt( getMandatoryProperty( props, "proxy." + key + ".port" ) ) );
  
                      // the username and password isn't required
                      proxy.setUsername( props.getProperty( "proxy." + key + ".username" ) );
                      proxy.setPassword( props.getProperty( "proxy." + key + ".password" ) );
  
                      configuration.addNetworkProxy( proxy );
                  }
              }
          }
  
          // Add the remote repository list
          String repoList = getMandatoryProperty( props, REPO_LIST );
  
          StringTokenizer tok = new StringTokenizer( repoList, "," );
          while ( tok.hasMoreTokens() )
          {
              String key = tok.nextToken();
  
              Properties repoProps = getSubset( props, "repo." + key + "." );
              String url = getMandatoryProperty( props, "repo." + key + ".url" );
              String proxyKey = repoProps.getProperty( "proxy" );
  
  //            int cachePeriod = Integer.parseInt( repoProps.getProperty( "cache.period", "60" ) );
  
              RemoteRepositoryConfiguration repository = new RemoteRepositoryConfiguration();
              repository.setId( key );
              repository.setName( "Imported Maven-Proxy Remote Proxy" );
              repository.setUrl( url );
              repository.setLayout( "legacy" );
  
             configuration.addRemoteRepository( repository );
 
             ProxyConnectorConfiguration proxyConnector = new ProxyConnectorConfiguration();
             proxyConnector.setSourceRepoId( "maven-proxy" );
             proxyConnector.setTargetRepoId( key );
             proxyConnector.setProxyId( proxyKey );
             // TODO: convert cachePeriod to closest "daily" or "hourly"
             proxyConnector.addPolicy( ProxyConnectorConfiguration.POLICY_SNAPSHOTS, SnapshotsPolicy.DAILY );
             proxyConnector.addPolicy( ProxyConnectorConfiguration.POLICY_RELEASES, ReleasesPolicy.ALWAYS );
 
             configuration.addProxyConnector( proxyConnector );
         }
     }
 
     @SuppressWarnings( "unchecked" )
     private Properties getSubset( Properties props, String prefix )
     {
         Enumeration keys = props.keys();
         Properties result = new Properties();
         while ( keys.hasMoreElements() )
         {
             String key = (String) keys.nextElement();
             String value = props.getProperty( key );
             if ( key.startsWith( prefix ) )
             {
                 String newKey = key.substring( prefix.length() );
                 result.setProperty( newKey, value );
             }
         }
         return result;
     }
 
     public void load( InputStream is, Configuration configuration )
         throws IOException, InvalidConfigurationException
     {
         Properties props = new Properties();
         props.load( is );
         load( props, configuration );
     }
 
     private String getMandatoryProperty( Properties props, String key )
         throws InvalidConfigurationException
     {
         String value = props.getProperty( key );
 
         if ( value == null )
         {
             throw new InvalidConfigurationException( key, "Missing required field: " + key );
         }
 
         return value;
     }
 }