package org.apache.maven.shared.release.phase;

 /*

  * 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.artifact.ArtifactUtils;

 import org.apache.maven.project.MavenProject;

 import org.apache.maven.scm.manager.NoSuchScmProviderException;

 import org.apache.maven.scm.provider.ScmProvider;

 import org.apache.maven.scm.repository.ScmRepository;

 import org.apache.maven.scm.repository.ScmRepositoryException;

 import org.apache.maven.shared.release.ReleaseExecutionException;

 import org.apache.maven.shared.release.ReleaseResult;

 import org.apache.maven.shared.release.config.ReleaseDescriptor;

 import org.apache.maven.shared.release.env.ReleaseEnvironment;

 import org.apache.maven.shared.release.scm.ReleaseScmRepositoryException;

 import org.apache.maven.shared.release.scm.ScmRepositoryConfigurator;

 import org.apache.maven.shared.release.util.ReleaseUtil;

 import org.codehaus.plexus.components.interactivity.Prompter;

 import org.codehaus.plexus.components.interactivity.PrompterException;

 import org.codehaus.plexus.interpolation.InterpolationException;

 import org.codehaus.plexus.interpolation.Interpolator;

 import org.codehaus.plexus.interpolation.PrefixAwareRecursionInterceptor;

 import org.codehaus.plexus.interpolation.PrefixedPropertiesValueSource;

 import org.codehaus.plexus.interpolation.RecursionInterceptor;

 import org.codehaus.plexus.interpolation.StringSearchInterpolator;

 import java.util.List;

 import java.util.Properties;

 /**

  * Input any variables that were not yet configured.

  *

  * @author <a href="mailto:brett@apache.org">Brett Porter</a>

  * @plexus.component role="org.apache.maven.shared.release.phase.ReleasePhase" role-hint="input-variables"

  */

 public class InputVariablesPhase

     extends AbstractReleasePhase

 {

     /**

      * Component used to prompt for input.

      *

      * @plexus.requirement

      */

     private Prompter prompter;

     /**

      * Tool that gets a configured SCM repository from release configuration.

      *

      * @plexus.requirement

      */

     private ScmRepositoryConfigurator scmRepositoryConfigurator;

     void setPrompter( Prompter prompter )

     {

         this.prompter = prompter;

     }

     protected ScmProvider getScmProvider( ReleaseDescriptor releaseDescriptor, ReleaseEnvironment releaseEnvironment )

         throws ReleaseScmRepositoryException, ReleaseExecutionException

     {

         try

         {

             ScmRepository repository =

                 scmRepositoryConfigurator.getConfiguredRepository( releaseDescriptor, releaseEnvironment.getSettings() );

             return scmRepositoryConfigurator.getRepositoryProvider( repository );

         }

         catch ( ScmRepositoryException e )

         {

             throw new ReleaseScmRepositoryException(

                 e.getMessage() + " for URL: " + releaseDescriptor.getScmSourceUrl(), e.getValidationMessages() );

         }

         catch ( NoSuchScmProviderException e )

         {

             throw new ReleaseExecutionException( "Unable to configure SCM repository: " + e.getMessage(), e );

         }

     }

     public ReleaseResult execute( ReleaseDescriptor releaseDescriptor, ReleaseEnvironment releaseEnvironment,

                                   List<MavenProject> reactorProjects )

         throws ReleaseExecutionException

     {

         ReleaseResult result = new ReleaseResult();

         // get the root project

         MavenProject project = ReleaseUtil.getRootProject( reactorProjects );

         String tag = releaseDescriptor.getScmReleaseLabel();

         if ( tag == null )

         {

             // Must get default version from mapped versions, as the project will be the incorrect snapshot

             String key = ArtifactUtils.versionlessKey( project.getGroupId(), project.getArtifactId() );

             String releaseVersion = (String) releaseDescriptor.getReleaseVersions().get( key );

             if ( releaseVersion == null )

             {

                 throw new ReleaseExecutionException( "Project tag cannot be selected if version is not yet mapped" );

             }

             String defaultTag;

             String scmTagNameFormat = releaseDescriptor.getScmTagNameFormat();

             if ( scmTagNameFormat != null )

             {

                 Interpolator interpolator = new StringSearchInterpolator( "@{", "}" );

                 List<String> possiblePrefixes = java.util.Arrays.asList( "project", "pom" );

                 Properties values = new Properties();

                 values.setProperty( "artifactId", project.getArtifactId() );

                 values.setProperty( "groupId", project.getGroupId() );

                 values.setProperty( "version", releaseVersion );

                 interpolator.addValueSource( new PrefixedPropertiesValueSource( possiblePrefixes, values, true ) );

                 RecursionInterceptor recursionInterceptor = new PrefixAwareRecursionInterceptor( possiblePrefixes );

                 try

                 {

                     defaultTag = interpolator.interpolate( scmTagNameFormat, recursionInterceptor );

                 }

                 catch ( InterpolationException e )

                 {

                     throw new ReleaseExecutionException(

                         "Could not interpolate specified tag name format: " + scmTagNameFormat, e );

                 }

             }

             else

             {

                 defaultTag = project.getArtifactId() + "-" + releaseVersion;

             }

             ScmProvider provider = null;

             try

             {

                 provider = getScmProvider( releaseDescriptor, releaseEnvironment );

             }

             catch ( ReleaseScmRepositoryException e )

             {

                 throw new ReleaseExecutionException(

                     "No scm provider can be found for url: " + releaseDescriptor.getScmSourceUrl(), e );

             }

             defaultTag = provider.sanitizeTagName( defaultTag );

             if ( releaseDescriptor.isInteractive() )

             {

                 try

                 {

                     tag =

                         prompter.prompt( "What is SCM release tag or label for \"" + project.getName() + "\"? ("

                             + project.getGroupId() + ":" + project.getArtifactId() + ")", defaultTag );

                 }

                 catch ( PrompterException e )

                 {

                     throw new ReleaseExecutionException( "Error reading version from input handler: " + e.getMessage(),

                                                          e );

                 }

             }

             else

             {

                 tag = defaultTag;

             }

             releaseDescriptor.setScmReleaseLabel( tag );

         }

         result.setResultCode( ReleaseResult.SUCCESS );

         return result;

     }

     public ReleaseResult simulate( ReleaseDescriptor releaseDescriptor, ReleaseEnvironment releaseEnvironment,

                                    List<MavenProject> reactorProjects )

         throws ReleaseExecutionException

     {

         ReleaseResult result = new ReleaseResult();

         // It makes no modifications, so simulate is the same as execute

         execute( releaseDescriptor, releaseEnvironment, reactorProjects );

         result.setResultCode( ReleaseResult.SUCCESS );

         return result;

     }

 }