package org.apache.maven.lifecycle.internal;
   
   /*
    * 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 java.util.ArrayList;
  import java.util.Collection;
  import java.util.Collections;
  import java.util.List;
  import java.util.StringTokenizer;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  import javax.inject.Singleton;
  
  import org.apache.maven.api.xml.Dom;
  import org.apache.maven.execution.MavenSession;
  import org.apache.maven.internal.xml.Xpp3Dom;
  import org.apache.maven.model.Plugin;
  import org.apache.maven.plugin.BuildPluginManager;
  import org.apache.maven.plugin.InvalidPluginDescriptorException;
  import org.apache.maven.plugin.MojoNotFoundException;
  import org.apache.maven.plugin.PluginDescriptorParsingException;
  import org.apache.maven.plugin.PluginNotFoundException;
  import org.apache.maven.plugin.PluginResolutionException;
  import org.apache.maven.plugin.descriptor.MojoDescriptor;
  import org.apache.maven.plugin.prefix.DefaultPluginPrefixRequest;
  import org.apache.maven.plugin.prefix.NoPluginFoundForPrefixException;
  import org.apache.maven.plugin.prefix.PluginPrefixRequest;
  import org.apache.maven.plugin.prefix.PluginPrefixResolver;
  import org.apache.maven.plugin.prefix.PluginPrefixResult;
  import org.apache.maven.plugin.version.DefaultPluginVersionRequest;
  import org.apache.maven.plugin.version.PluginVersionRequest;
  import org.apache.maven.plugin.version.PluginVersionResolutionException;
  import org.apache.maven.plugin.version.PluginVersionResolver;
  import org.apache.maven.project.MavenProject;
  import org.codehaus.plexus.configuration.PlexusConfiguration;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * <p>
   * Resolves dependencies for the artifacts in context of the lifecycle build
   * </p>
   * <strong>NOTE:</strong> This class is not part of any public api and can be changed or deleted without prior notice.
   *
   * @since 3.0
   * @author Benjamin Bentmann
   * @author Jason van Zyl
   * @author jdcasey
   * @author Kristian Rosenvold (extracted class only)
   */
  @Named
  @Singleton
  public class MojoDescriptorCreator
  {
      private final Logger logger = LoggerFactory.getLogger( getClass() );
      private final PluginVersionResolver pluginVersionResolver;
      private final BuildPluginManager pluginManager;
      private final PluginPrefixResolver pluginPrefixResolver;
      private final LifecyclePluginResolver lifecyclePluginResolver;
  
      @Inject
      public MojoDescriptorCreator(
              PluginVersionResolver pluginVersionResolver,
              BuildPluginManager pluginManager,
              PluginPrefixResolver pluginPrefixResolver,
              LifecyclePluginResolver lifecyclePluginResolver )
      {
          this.pluginVersionResolver = pluginVersionResolver;
          this.pluginManager = pluginManager;
          this.pluginPrefixResolver = pluginPrefixResolver;
          this.lifecyclePluginResolver = lifecyclePluginResolver;
      }
  
      private Plugin findPlugin( String groupId, String artifactId, Collection<Plugin> plugins )
      {
          for ( Plugin plugin : plugins )
          {
              if ( artifactId.equals( plugin.getArtifactId() ) && groupId.equals( plugin.getGroupId() ) )
              {
                  return plugin;
              }
         }
 
         return null;
     }
 
     public static org.codehaus.plexus.util.xml.Xpp3Dom convert( MojoDescriptor mojoDescriptor )
     {
         PlexusConfiguration c = mojoDescriptor.getMojoConfiguration();
 
         List<Dom> children = new ArrayList<>();
         PlexusConfiguration[] ces = c.getChildren();
         if ( ces != null )
         {
             for ( PlexusConfiguration ce : ces )
             {
                 String value = ce.getValue( null );
                 String defaultValue = ce.getAttribute( "default-value", null );
                 if ( value != null || defaultValue != null )
                 {
                     Xpp3Dom e = new Xpp3Dom( ce.getName(), value,
                             defaultValue != null ? Collections.singletonMap( "default-value", defaultValue ) : null,
                             null, null );
                     children.add( e );
                 }
             }
         }
 
         Xpp3Dom dom = new Xpp3Dom( "configuration", null, null, children, null );
         return new org.codehaus.plexus.util.xml.Xpp3Dom( dom );
     }
 
     // org.apache.maven.plugins:maven-remote-resources-plugin:1.0:process@executionId
 
     public MojoDescriptor getMojoDescriptor( String task, MavenSession session, MavenProject project )
         throws PluginNotFoundException, PluginResolutionException, PluginDescriptorParsingException,
         MojoNotFoundException, NoPluginFoundForPrefixException, InvalidPluginDescriptorException,
         PluginVersionResolutionException
     {
         String goal = null;
 
         Plugin plugin = null;
 
         StringTokenizer tok = new StringTokenizer( task, ":" );
 
         int numTokens = tok.countTokens();
 
         if ( numTokens >= 4 )
         {
             // We have everything that we need
             //
             // org.apache.maven.plugins:maven-remote-resources-plugin:1.0:process
             //
             // groupId
             // artifactId
             // version
             // goal
             //
             plugin = new Plugin();
             plugin.setGroupId( tok.nextToken() );
             plugin.setArtifactId( tok.nextToken() );
             plugin.setVersion( tok.nextToken() );
             goal = tok.nextToken();
 
             // This won't be valid, but it constructs something easy to read in the error message
             while ( tok.hasMoreTokens() )
             {
                 goal += ":" + tok.nextToken();
             }
         }
         else if ( numTokens == 3 )
         {
             // groupId:artifactId:goal or pluginPrefix:version:goal (since Maven 3.9.0)
 
             String firstToken = tok.nextToken();
             // groupId or pluginPrefix? heuristics: groupId contains dot (.) but not pluginPrefix
             if ( firstToken.contains( "." ) )
             {
                 // We have everything that we need except the version
                 //
                 // org.apache.maven.plugins:maven-remote-resources-plugin:???:process
                 //
                 // groupId
                 // artifactId
                 // ???
                 // goal
                 //
                 plugin = new Plugin();
                 plugin.setGroupId( firstToken );
                 plugin.setArtifactId( tok.nextToken() );
             }
             else
             {
                 // pluginPrefix:version:goal, like remote-resources:3.5.0:process
                 plugin = findPluginForPrefix( firstToken, session );
                 plugin.setVersion( tok.nextToken() );
             }
             goal = tok.nextToken();
         }
         else
         {
             // We have a prefix and goal
             //
             // idea:idea
             //
             String prefix = tok.nextToken();
 
             if ( numTokens == 2 )
             {
                 goal = tok.nextToken();
             }
             else
             {
                 // goal was missing - pass through to MojoNotFoundException
                 goal = "";
             }
 
             // This is the case where someone has executed a single goal from the command line
             // of the form:
             //
             // mvn remote-resources:process
             //
             // From the metadata stored on the server which has been created as part of a standard
             // Maven plugin deployment we will find the right PluginDescriptor from the remote
             // repository.
 
             plugin = findPluginForPrefix( prefix, session );
         }
 
         int executionIdx = goal.indexOf( '@' );
         if ( executionIdx > 0 )
         {
             goal = goal.substring( 0, executionIdx );
         }
 
         injectPluginDeclarationFromProject( plugin, project );
 
         // If there is no version to be found then we need to look in the repository metadata for
         // this plugin and see what's specified as the latest release.
         //
         if ( plugin.getVersion() == null )
         {
             resolvePluginVersion( plugin, session, project );
         }
 
         return pluginManager.getMojoDescriptor( plugin, goal.toString(), project.getRemotePluginRepositories(),
                                                 session.getRepositorySession() );
     }
 
     // TODO take repo mans into account as one may be aggregating prefixes of many
     // TODO collect at the root of the repository, read the one at the root, and fetch remote if something is missing
     // or the user forces the issue
 
     public Plugin findPluginForPrefix( String prefix, MavenSession session )
         throws NoPluginFoundForPrefixException
     {
         // [prefix]:[goal]
 
         if ( session.getCurrentProject() != null )
         {
             try
             {
                 lifecyclePluginResolver.resolveMissingPluginVersions( session.getCurrentProject(), session );
             }
             catch ( PluginVersionResolutionException e )
             {
                 // not critical here
                 logger.debug( e.getMessage(), e );
             }
         }
 
         PluginPrefixRequest prefixRequest = new DefaultPluginPrefixRequest( prefix, session );
         PluginPrefixResult prefixResult = pluginPrefixResolver.resolve( prefixRequest );
 
         Plugin plugin = new Plugin();
         plugin.setGroupId( prefixResult.getGroupId() );
         plugin.setArtifactId( prefixResult.getArtifactId() );
 
         return plugin;
     }
 
     private void resolvePluginVersion( Plugin plugin, MavenSession session, MavenProject project )
         throws PluginVersionResolutionException
     {
         PluginVersionRequest versionRequest =
             new DefaultPluginVersionRequest( plugin, session.getRepositorySession(),
                                              project.getRemotePluginRepositories() );
         plugin.setVersion( pluginVersionResolver.resolve( versionRequest ).getVersion() );
     }
 
     private void injectPluginDeclarationFromProject( Plugin plugin, MavenProject project )
     {
         Plugin pluginInPom = findPlugin( plugin, project.getBuildPlugins() );
 
         if ( pluginInPom == null && project.getPluginManagement() != null )
         {
             pluginInPom = findPlugin( plugin, project.getPluginManagement().getPlugins() );
         }
 
         if ( pluginInPom != null )
         {
             if ( plugin.getVersion() == null )
             {
                 plugin.setVersion( pluginInPom.getVersion() );
             }
 
             plugin.setDependencies( new ArrayList<>( pluginInPom.getDependencies() ) );
         }
     }
 
     private Plugin findPlugin( Plugin plugin, Collection<Plugin> plugins )
     {
         return findPlugin( plugin.getGroupId(), plugin.getArtifactId(), plugins );
     }
 
 }