package org.apache.maven.plugins.release;
   
   /*
    * 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.io.FileInputStream;
  import java.io.IOException;
  import java.io.InputStream;
  import java.util.Arrays;
  
  import org.apache.maven.plugin.MojoExecutionException;
  import org.apache.maven.plugin.MojoFailureException;
  import org.apache.maven.plugins.annotations.Mojo;
  import org.apache.maven.plugins.annotations.Parameter;
  import org.apache.maven.plugins.annotations.ResolutionScope;
  import org.apache.maven.shared.release.DefaultReleaseManagerListener;
  import org.apache.maven.shared.release.ReleaseExecutionException;
  import org.apache.maven.shared.release.ReleaseFailureException;
  import org.apache.maven.shared.release.ReleasePrepareRequest;
  import org.apache.maven.shared.release.config.ReleaseDescriptorBuilder;
  
  /**
   * Prepare for a release in SCM. Steps through several phases to ensure the POM is ready to be released and then
   * prepares SCM to eventually contain a tagged version of the release and a record in the local copy of the parameters
   * used. This can be followed by a call to <code>release:perform</code>. For more info see <a
   * href="https://maven.apache.org/plugins/maven-release-plugin/examples/prepare-release.html"
   * >https://maven.apache.org/plugins/maven-release-plugin/examples/prepare-release.html</a>.
   *
   * @author <a href="mailto:jdcasey@apache.org">John Casey</a>
   * @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse</a>
   * @author <a href="mailto:jason@maven.org">Jason van Zyl</a>
   * @author <a href="mailto:brett@apache.org">Brett Porter</a>
   */
  // TODO [!] check how this works with version ranges
  @Mojo( name = "prepare", aggregator = true, requiresDependencyCollection = ResolutionScope.TEST )
  public class PrepareReleaseMojo
      extends AbstractScmReleaseMojo
  {
  
      /**
       * Resume a previous release attempt from the point where it was stopped.
       */
      @Parameter( defaultValue = "true", property = "resume" )
      private boolean resume;
  
      /**
       * @deprecated Please use release:prepare-with-pom instead.
       */
      @Deprecated
      @Parameter( defaultValue = "false", property = "generateReleasePoms" )
      private boolean generateReleasePoms;
  
      /**
       * Whether to use "edit" mode on the SCM, to lock the file for editing during SCM operations.
       */
      @Parameter( defaultValue = "false", property = "useEditMode" )
      private boolean useEditMode;
  
      /**
       * Whether to update dependencies version to the next development version.
       *
       * @since 2.0-beta-5
       */
      @Parameter( defaultValue = "true", property = "updateDependencies" )
      private boolean updateDependencies;
  
      /**
       * Whether to automatically assign submodules the parent version. If set to false, the user will be prompted for the
       * version of each submodules.
       *
       * @since 2.0-beta-5
       */
      @Parameter( defaultValue = "false", property = "autoVersionSubmodules" )
      private boolean autoVersionSubmodules;
  
      /**
       * Dry run: don't checkin or tag anything in the scm repository, or modify the checkout. Running
       * <code>mvn -DdryRun=true release:prepare</code> is useful in order to check that modifications to poms and scm
       * operations (only listed on the console) are working as expected. Modified POMs are written alongside the
       * originals without modifying them.
       */
      @Parameter( defaultValue = "false", property = "dryRun" )
      private boolean dryRun;
 
     /**
      * Whether to add a schema to the POM if it was previously missing on release.
      */
     @Parameter( defaultValue = "true", property = "addSchema" )
     private boolean addSchema;
 
     /**
      * Goals to run as part of the preparation step, after transformation but before committing. Space delimited.
      */
     @Parameter( defaultValue = "clean verify", property = "preparationGoals" )
     private String preparationGoals;
 
     /**
      * Goals to run on completion of the preparation step, after transformation back to the next development version but
      * before committing. Space delimited.
      *
      * @since 2.2
      */
     @Parameter( defaultValue = "", property = "completionGoals" )
     private String completionGoals;
 
     /**
      * Commits to do are atomic or by project.
      *
      * @since 2.0-beta-5
      */
     @Parameter( defaultValue = "false", property = "commitByProject" )
     private boolean commitByProject;
 
     /**
      * Whether to allow timestamped SNAPSHOT dependencies. Default is to fail when finding any SNAPSHOT.
      *
      * @since 2.0-beta-7
      */
     @Parameter( defaultValue = "false", property = "ignoreSnapshots" )
     private boolean allowTimestampedSnapshots;
 
     /**
      * Whether to allow usage of a SNAPSHOT version of the Release Plugin. This in an internal property used to support
      * testing of the plugin itself in batch mode.
      *
      * @since 2.0-beta-9
      */
     @Parameter( defaultValue = "false", property = "allowReleasePluginSnapshot", readonly = true )
     private boolean allowReleasePluginSnapshot;
 
     /**
      * A list of additional exclude filters that will be skipped when checking for modifications on the working copy. Is
      * ignored, when checkModificationExcludes is set.
      *
      * @since 2.1
      */
     @Parameter
     private String[] checkModificationExcludes;
 
     /**
      * Command-line version of checkModificationExcludes.
      *
      * @since 2.1
      */
     @Parameter( property = "checkModificationExcludeList" )
     private String checkModificationExcludeList;
 
     /**
      * Default version to use when preparing a release or a branch.
      *
      * @since 2.0-beta-8
      */
     @Parameter( property = "releaseVersion" )
     private String releaseVersion;
 
     /**
      * Default version to use for new local working copy.
      *
      * @since 2.0-beta-8
      */
     @Parameter( property = "developmentVersion" )
     private String developmentVersion;
 
     /**
      * Currently only implemented with svn scm.
      * <ul>
      * <li>Enables a workaround to prevent issue due to svn client > 1.5.0 (fixed in 1.6.5)
      * (https://issues.apache.org/jira/browse/SCM-406)</li>
      * <li>You may not want to use this in conjunction with <code>suppressCommitBeforeTag</code>, such that no poms with
      * released versions are committed to the working copy ever.</li>
      * </ul>
      *
      * @since 2.0-beta-9
      */
     @Parameter( defaultValue = "true", property = "remoteTagging" )
     private boolean remoteTagging;
 
     /**
      * Signs SCM tag when possible, for example when using the git-exe the '--sign' argument is used.
      *
      * @since 3.0.0-M4
      */
     @Parameter( property = "signTag" )
     private boolean signTag = false;
 
     /**
      * Whether to bump the working copy versions to <code>developmentVersion</code>.
      *
      * @since 2.1
      */
     @Parameter( defaultValue = "true", property = "updateWorkingCopyVersions" )
     private boolean updateWorkingCopyVersions;
 
     /**
      * Whether to suppress a commit of changes to the working copy before the tag is created. <br/>
      * <br/>
      * This requires <code>remoteTagging</code> to be set to false. <br/>
      * <br/>
      * <code>suppressCommitBeforeTag</code> is useful when you want to avoid poms with released versions in all
      * revisions of your trunk or development branch.
      *
      * @since 2.1
      */
     @Parameter( defaultValue = "false", property = "suppressCommitBeforeTag" )
     private boolean suppressCommitBeforeTag;
 
     /**
      * Wait the specified number of seconds before creating the tag. <br/>
      * <code>waitBeforeTagging</code> is useful when your source repository is synced between several instances and
      * access to it is determined by geographical location, like the SVN repository at the Apache Software Foundation.
      *
      * @since 2.2
      */
     @Parameter( defaultValue = "0", property = "waitBeforeTagging" )
     private int waitBeforeTagging;
 
     /**
      * The role-hint for the {@link org.apache.maven.shared.release.policy.version.VersionPolicy}
      * implementation used to calculate the project versions.
      *
      * @since 2.5.1
      * @see org.apache.maven.shared.release.policies.DefaultVersionPolicy
      */
     @Parameter( defaultValue = "default", property = "projectVersionPolicyId" )
     private String projectVersionPolicyId;
 
     /**
      * The role-hint for the {@link org.apache.maven.shared.release.policy.naming.NamingPolicy}
      * implementation used to calculate the project branch and tag names.
      *
      * @since 3.0.0-M1
      * @see org.apache.maven.shared.release.policies.DefaultNamingPolicy
      */
     @Parameter( property = "projectNamingPolicyId" )
     private String projectTagNamingPolicyId;
 
     /**
      * The SCM commit comment when setting pom.xml to release.
      * Defaults to "@{prefix} prepare release @{releaseLabel}".
      * <p>
      * Property interpolation is performed on the value, but in order to ensure that the interpolation occurs
      * during release, you must use <code>@{...}</code> to reference the properties rather than <code>${...}</code>.
      * The following properties are available:
      * <ul>
      *     <li><code>prefix</code> - The comment prefix.
      *     <li><code>groupId</code> - The groupId of the root project.
      *     <li><code>artifactId</code> - The artifactId of the root project.
      *     <li><code>releaseLabel</code> - The release version of the root project.
      * </ul>
      *
      * @since 3.0.0-M1
      */
     @Parameter( defaultValue = "@{prefix} prepare release @{releaseLabel}", property = "scmReleaseCommitComment" )
     private String scmReleaseCommitComment = "@{prefix} prepare release @{releaseLabel}";
 
     /**
      * The SCM commit comment when setting pom.xml back to development.
      * Defaults to "@{prefix} prepare for next development iteration".
      * <p>
      * Property interpolation is performed on the value, but in order to ensure that the interpolation occurs
      * during release, you must use <code>@{...}</code> to reference the properties rather than <code>${...}</code>.
      * The following properties are available:
      * <ul>
      *     <li><code>prefix</code> - The comment prefix.
      *     <li><code>groupId</code> - The groupId of the root project.
      *     <li><code>artifactId</code> - The artifactId of the root project.
      *     <li><code>releaseLabel</code> - The release version of the root project.
      * </ul>
      *
      * @since 3.0.0-M1
      */
     @Parameter(
             defaultValue = "@{prefix} prepare for next development iteration",
             property = "scmDevelopmentCommitComment" )
     private String scmDevelopmentCommitComment = "@{prefix} prepare for next development iteration";
 
     /**
      * Specifies whether unresolved SNAPSHOT dependencies should automatically be resolved.
      * If this is set, then this specifies the default answer to be used when unresolved SNAPSHOT
      * dependencies should automatically be resolved ( 0:All 1:Project Dependencies 2:Plugins
      * 3:Reports 4:Extensions ). Possible values are:
      * <ul>
      * <li>"all" or "0": resolve all kinds of snapshots, ie. project, plugin, report and extension dependencies </li>
      * <li>"dependencies" or "1": resolve project dependencies</li>
      * <li>"plugins" or "2": resolve plugin dependencis</li>
      * <li>"reports" or "3": resolve report dependencies</li>
      * <li>"extensions" or "4": resolve extension dependencies</li>
      * </ul>
      *
      * @since 3.0.0-M4
      */
     @Parameter( property = "autoResolveSnapshots" )
     private String autoResolveSnapshots;
 
     /**
      * Currently only implemented with svn scm. Enable the {@code --pin-externals} option in
      * {@code svn copy} command which is new in Subversion 1.9.
      *
      * @since 3.0.0-M4
      */
     @Parameter( defaultValue = "false", property = "pinExternals" )
     private boolean pinExternals;
 
     /**
      * Specifies the line separator to format pom.xml. The following properties are
      * available:
      * <ul>
      * <li><code>system</code> - Use the system line separator.</li>
      * <li><code>lf</code> - Use \n as line separator.</li>
      * <li><code>cr</code> - Use \r as line separator.</li>
      * <li><code>crlf</code> - Use \r\n as line separator.</li>
      * <li><code>source</code> - Use the same line separator as it is specified in the current pom.xml.</li>
      * </ul>
      *
      * @since 3.0.0-M6
      */
     @Parameter( defaultValue = "source", property = "lineSeparator" )
     private String lineSeparator;
 
     /**
      * {@inheritDoc}
      */
     @Override
     public void execute()
         throws MojoExecutionException, MojoFailureException
     {
         if ( generateReleasePoms )
         {
             throw new MojoFailureException( "Generating release POMs is no longer supported in release:prepare. "
                 + "Please run release:prepare-with-pom instead." );
         }
 
         prepareRelease( generateReleasePoms );
     }
 
     /**
      * <p>prepareRelease.</p>
      *
      * @param generateReleasePoms a boolean
      * @throws org.apache.maven.plugin.MojoExecutionException if any.
      * @throws org.apache.maven.plugin.MojoFailureException if any.
      */
     protected void prepareRelease( boolean generateReleasePoms )
         throws MojoExecutionException, MojoFailureException
     {
         // this is here so the subclass can call it without getting the extra generateReleasePoms check in execute()
         // above
         super.execute();
 
         final ReleaseDescriptorBuilder config = createReleaseDescriptor();
         config.setAddSchema( addSchema );
         config.setGenerateReleasePoms( generateReleasePoms );
         config.setScmUseEditMode( useEditMode );
         config.setPreparationGoals( preparationGoals );
         config.setCompletionGoals( completionGoals );
         config.setCommitByProject( commitByProject );
         config.setUpdateDependencies( updateDependencies );
         config.setAutoVersionSubmodules( autoVersionSubmodules );
         config.setAllowTimestampedSnapshots( allowTimestampedSnapshots );
         config.setSnapshotReleasePluginAllowed( allowReleasePluginSnapshot );
         config.setDefaultReleaseVersion( releaseVersion );
         config.setDefaultDevelopmentVersion( developmentVersion );
         config.setRemoteTagging( remoteTagging );
         config.setScmSignTags( signTag );
         config.setUpdateWorkingCopyVersions( updateWorkingCopyVersions );
         config.setSuppressCommitBeforeTagOrBranch( suppressCommitBeforeTag );
         config.setWaitBeforeTagging( waitBeforeTagging );
         config.setProjectVersionPolicyId( projectVersionPolicyId );
         config.setProjectNamingPolicyId( projectTagNamingPolicyId );
         config.setScmDevelopmentCommitComment( scmDevelopmentCommitComment );
         config.setScmReleaseCommitComment( scmReleaseCommitComment );
         config.setAutoResolveSnapshots( autoResolveSnapshots );
         config.setPinExternals( pinExternals );
         config.setLineSeparator( resolveLineSeparator() );
 
         if ( checkModificationExcludeList != null )
         {
             checkModificationExcludes = checkModificationExcludeList.replaceAll( "\\s", "" ).split( "," );
         }
 
         if ( checkModificationExcludes != null )
         {
             config.setCheckModificationExcludes( Arrays.asList( checkModificationExcludes ) );
         }
 
         ReleasePrepareRequest prepareRequest = new ReleasePrepareRequest();
         prepareRequest.setReleaseDescriptorBuilder( config );
         prepareRequest.setReleaseEnvironment( getReleaseEnvironment() );
         prepareRequest.setReactorProjects( getReactorProjects() );
         prepareRequest.setReleaseManagerListener( new DefaultReleaseManagerListener( getLog(), dryRun ) );
         prepareRequest.setResume( resume );
         prepareRequest.setDryRun( dryRun );
         prepareRequest.setUserProperties( session.getUserProperties() );
 
         try
         {
             releaseManager.prepare( prepareRequest );
         }
         catch ( ReleaseExecutionException e )
         {
             throw new MojoExecutionException( e.getMessage(), e );
         }
         catch ( ReleaseFailureException e )
         {
             throw new MojoFailureException( e.getMessage(), e );
         }
     }
 
     private String resolveLineSeparator() throws MojoExecutionException
     {
         if ( lineSeparator  == null )
         {
             return getLineSeparatorFromPom();
         }
 
         switch ( lineSeparator )
         {
             case "lf":
                 return "\n";
             case "cr":
                 return "\r";
             case "crlf":
                 return "\r\n";
             case "system":
                 return System.lineSeparator();
             case "source":
                 return getLineSeparatorFromPom();
             default:
                 throw new IllegalArgumentException( String.format( "Unknown property lineSeparator: '%s'. Use one of"
                   + " the following: 'source', 'system', 'lf', 'cr', 'crlf'.", lineSeparator ) );
         }
     }
 
     private String getLineSeparatorFromPom()
       throws MojoExecutionException
     {
         char current;
         String lineSeparator = "";
         try ( InputStream is = new FileInputStream( this.project.getFile() ) )
         {
             while ( is.available() > 0 )
             {
                 current = ( char ) is.read();
                 if ( ( current == '\n' ) || ( current == '\r' ) )
                 {
                     lineSeparator += current;
                     if ( is.available() > 0 )
                     {
                         char next = ( char ) is.read();
                         if ( ( next != current )
                           && ( ( next == '\r' ) || ( next == '\n' ) ) )
                         {
                             lineSeparator += next;
                         }
                     }
                     return lineSeparator;
                 }
             }
         }
         catch ( IOException e )
         {
             throw new MojoExecutionException( "Failed to detect line separator of " + this.project.getFile(), e );
         }
 
         return lineSeparator;
     }
 
 }