protected ScmResult executeCommand()

in maven-release-plugin/src/it/setup/maven-scm-provider-stub/src/main/java/org/apache/maven/scm/provider/stub/StubTagCommand.java [49:107]

49 lines of code
7 McCabe index (conditional complexity)


    protected ScmResult executeCommand( ScmProviderRepository repository, ScmFileSet fileSet,
                                        CommandParameters parameters )
        throws ScmException
    {
        List taggedFiles = new ArrayList();

        try
        {
            StubScmProviderRepository stubRepo = (StubScmProviderRepository) repository;

            File workingCopyRoot = stubRepo.getWorkingCopyRoot( fileSet );
            File repoRoot = stubRepo.getRoot();
            String tagName = parameters.getString( CommandParameter.TAG_NAME );
            File tagRoot = new File( stubRepo.getTagBase(), tagName );

            logger.info( "Tagging: " + repoRoot + " > " + tagRoot );

            if ( tagRoot.exists() )
            {
                throw new IOException( "Cannot override existing tag" );
            }

            List paths = stubRepo.getPaths( workingCopyRoot, fileSet );
            if ( paths.isEmpty() )
            {
                paths.add( "." );
            }

            for ( Iterator it = paths.iterator(); it.hasNext(); )
            {
                String path = (String) it.next();
                File srcFile = new File( repoRoot, path );
                File dstFile = new File( tagRoot, path );

                logger.info( "  " + path );

                if ( srcFile.isDirectory() )
                {
                    FileUtils.copyDirectoryStructure( srcFile, dstFile );
                }
                else if ( srcFile.isFile() )
                {
                    FileUtils.copyFile( srcFile, dstFile );
                }
                else
                {
                    throw new IOException( "Cannot tag non-existing file: " + srcFile );
                }

                taggedFiles.add( new ScmFile( path, ScmFileStatus.TAGGED ) );
            }
        }
        catch ( IOException e )
        {
            throw new ScmException( "Error while tagging the files.", e );
        }

        return new TagScmResult( null, taggedFiles );
    }