package org.apache.maven.profiles;

 /*

  * 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.maven.model.Activation;

 import org.apache.maven.model.Profile;

 import org.apache.maven.profiles.activation.ProfileActivationException;

 import org.apache.maven.profiles.activation.ProfileActivator;

 import org.apache.maven.settings.Settings;

 import org.apache.maven.settings.SettingsUtils;

 import org.codehaus.plexus.PlexusContainer;

 import org.codehaus.plexus.component.repository.exception.ComponentLifecycleException;

 import org.codehaus.plexus.component.repository.exception.ComponentLookupException;

 import java.util.ArrayList;

 import java.util.Iterator;

 import java.util.LinkedHashMap;

 import java.util.List;

 import java.util.Map;

 import java.util.Properties;

 import java.util.Map.Entry;

 public class DefaultProfileManager

     implements ProfileManager

 {

     private PlexusContainer container;

     private List activatedIds = new ArrayList();

     private List deactivatedIds = new ArrayList();

     private List defaultIds = new ArrayList();

     private Map profilesById = new LinkedHashMap();

     private Properties requestProperties;

     /**

      * @deprecated without passing in the system properties, the SystemPropertiesProfileActivator will not work correctly

      * in embedded envirnments.

      */

     public DefaultProfileManager( PlexusContainer container )

     {

         this( container, (Settings)null);

     }

     /**

      * the properties passed to the profile manager are the props that

      * are passed to maven, possibly containing profile activator properties

      *

      */

     public DefaultProfileManager( PlexusContainer container, Properties props )

     {

         this( container, (Settings)null, props );

     }

     /**

      * @deprecated without passing in the system properties, the SystemPropertiesProfileActivator will not work correctly

      * in embedded envirnments.

      */

     public DefaultProfileManager( PlexusContainer container, Settings settings )

     {

         this.container = container;

         loadSettingsProfiles( settings );

     }

     /**

      * the properties passed to the profile manager are the props that

      * are passed to maven, possibly containing profile activator properties

      *

      */

     public DefaultProfileManager( PlexusContainer container, Settings settings, Properties props )

     {

         this.container = container;

         loadSettingsProfiles( settings );

         if ( props != null )

         {

             requestProperties = props;

         }

     }

     public Properties getRequestProperties() {

         return requestProperties;

     }

     public Map getProfilesById()

     {

         return profilesById;

     }

     /* (non-Javadoc)

     * @see org.apache.maven.profiles.ProfileManager#addProfile(org.apache.maven.model.Profile)

     */

     public void addProfile( Profile profile )

     {

         String profileId = profile.getId();

         Profile existing = (Profile) profilesById.get( profileId );

         if ( existing != null )

         {

             container.getLogger().warn( "Overriding profile: \'" + profileId + "\' (source: " + existing.getSource() +

                 ") with new instance from source: " + profile.getSource() );

         }

         profilesById.put( profile.getId(), profile );

         Activation activation = profile.getActivation();

         if ( activation != null && activation.isActiveByDefault() )

         {

             activateAsDefault( profileId );

         }

     }

     /* (non-Javadoc)

     * @see org.apache.maven.profiles.ProfileManager#explicitlyActivate(java.lang.String)

     */

     public void explicitlyActivate( String profileId )

     {

         if ( !activatedIds.contains( profileId ) )

         {

             container.getLogger().debug( "Profile with id: \'" + profileId + "\' has been explicitly activated." );

             activatedIds.add( profileId );

         }

     }

     /* (non-Javadoc)

     * @see org.apache.maven.profiles.ProfileManager#explicitlyActivate(java.util.List)

     */

     public void explicitlyActivate( List profileIds )

     {

         for ( Iterator it = profileIds.iterator(); it.hasNext(); )

         {

             String profileId = (String) it.next();

             explicitlyActivate( profileId );

         }

     }

     /* (non-Javadoc)

     * @see org.apache.maven.profiles.ProfileManager#explicitlyDeactivate(java.lang.String)

     */

     public void explicitlyDeactivate( String profileId )

     {

         if ( !deactivatedIds.contains( profileId ) )

         {

             container.getLogger().debug( "Profile with id: \'" + profileId + "\' has been explicitly deactivated." );

             deactivatedIds.add( profileId );

         }

     }

     /* (non-Javadoc)

     * @see org.apache.maven.profiles.ProfileManager#explicitlyDeactivate(java.util.List)

     */

     public void explicitlyDeactivate( List profileIds )

     {

         for ( Iterator it = profileIds.iterator(); it.hasNext(); )

         {

             String profileId = (String) it.next();

             explicitlyDeactivate( profileId );

         }

     }

     /* (non-Javadoc)

     * @see org.apache.maven.profiles.ProfileManager#getActiveProfiles()

     */

     public List getActiveProfiles()

         throws ProfileActivationException

     {

         List activeFromPom = new ArrayList();

         List activeExternal = new ArrayList();

         for ( Iterator it = profilesById.entrySet().iterator(); it.hasNext(); )

         {

             Map.Entry entry = (Entry) it.next();

             String profileId = (String) entry.getKey();

             Profile profile = (Profile) entry.getValue();

             boolean shouldAdd = false;

             if ( activatedIds.contains( profileId ) )

             {

                 shouldAdd = true;

             }

             else if ( isActive( profile ) )

             {

                 shouldAdd = true;

             }

             if ( !deactivatedIds.contains( profileId ) && shouldAdd )

             {

                 if ( "pom".equals( profile.getSource() ) )

                 {

                     activeFromPom.add( profile );

                 }

                 else

                 {

                     activeExternal.add( profile );

                 }

             }

         }

         if ( activeFromPom.isEmpty() )

         {

             for ( Iterator it = defaultIds.iterator(); it.hasNext(); )

             {

                 String profileId = (String) it.next();

                 if ( deactivatedIds.contains( profileId ) )

                 {

                     continue;

                 }

                 Profile profile = (Profile) profilesById.get( profileId );

                 activeFromPom.add( profile );

             }

         }

         List allActive = new ArrayList( activeFromPom.size() + activeExternal.size() );

         allActive.addAll( activeExternal );

         allActive.addAll( activeFromPom );

         return allActive;

     }

     private boolean isActive( Profile profile )

         throws ProfileActivationException

     {

         List activators = null;

         Properties systemProperties = new Properties( System.getProperties() );

         if ( requestProperties != null )

         {

             systemProperties.putAll( requestProperties );

         }

         container.addContextValue("SystemProperties", systemProperties);

         try

         {

             activators = container.lookupList( ProfileActivator.ROLE );

             for ( Iterator activatorIterator = activators.iterator(); activatorIterator.hasNext(); )

             {

                 ProfileActivator activator = (ProfileActivator) activatorIterator.next();

                 if ( activator.canDetermineActivation( profile ) )

                 {

                     if ( activator.isActive( profile ) )

                     {

                         return true;

                     }

                 }

             }

             return false;

         }

         catch ( ComponentLookupException e )

         {

             throw new ProfileActivationException( "Cannot retrieve list of profile activators.", e );

         }

         finally

         {

             container.getContext().put("SystemProperties", null);

             if ( activators != null )

             {

                 try

                 {

                     container.releaseAll( activators );

                 }

                 catch ( ComponentLifecycleException e )

                 {

                     container.getLogger().debug( "Error releasing profile activators - ignoring.", e );

                 }

             }

         }

     }

     /* (non-Javadoc)

      * @see org.apache.maven.profiles.ProfileManager#addProfiles(java.util.List)

      */

     public void addProfiles( List profiles )

     {

         for ( Iterator it = profiles.iterator(); it.hasNext(); )

         {

             Profile profile = (Profile) it.next();

             addProfile( profile );

         }

     }

     public void activateAsDefault( String profileId )

     {

         if ( !defaultIds.contains( profileId ) )

         {

             defaultIds.add( profileId );

         }

     }

     public List getExplicitlyActivatedIds()

     {

         return activatedIds;

     }

     public List getExplicitlyDeactivatedIds()

     {

         return deactivatedIds;

     }

     public List getIdsActivatedByDefault()

     {

         return defaultIds;

     }

     public void loadSettingsProfiles( Settings settings )

     {

         if ( settings == null )

         {

             return;

         }

         List settingsProfiles = settings.getProfiles();

         List settingsActiveProfileIds = settings.getActiveProfiles();

         explicitlyActivate( settingsActiveProfileIds );

         if ( settingsProfiles != null && !settingsProfiles.isEmpty() )

         {

             for ( Iterator it = settings.getProfiles().iterator(); it.hasNext(); )

             {

                 org.apache.maven.settings.Profile rawProfile = (org.apache.maven.settings.Profile) it.next();

                 Profile profile = SettingsUtils.convertFromSettingsProfile( rawProfile );

                 addProfile( profile );

             }

         }

     }

 }