private String ensureDirs()

in wagon-providers/wagon-scm/src/main/java/org/apache/maven/wagon/providers/scm/ScmWagon.java [465:545]
64 lines of code
11 McCabe index (conditional complexity)

    private String ensureDirs( ScmProvider scmProvider, ScmRepository scmRepository, String targetName,
                               Resource resource, boolean recursiveArg )
        throws TransferFailedException, IOException
    {
        if ( checkoutDirectory == null )
        {
            checkoutDirectory = createCheckoutDirectory();
        }

        String target = targetName;

        // totally ignore scmRepository parent stuff since that is not supported by all scms.
        // Instead, assume that that url exists. If not, then that's an error.
        // Check whether targetName, which is a relative path into the scm, exists.
        // If it doesn't, check the parent, etc.

        boolean recursive = recursiveArg;

        for ( ;; )
        {
            try
            {
                ScmResult res = tryPartialCheckout( target, recursive );
                if ( !res.isSuccess() )
                {
                    throw new ScmException( "command failed: " + res.getCommandOutput().trim() );
                }
                break;
            }
            catch ( ScmException e )
            {
                recursive = false;
                if ( partCOSubdir.length() == 0 )
                {
                    fireTransferError( resource, e, TransferEvent.REQUEST_GET );

                    throw new TransferFailedException( "Error checking out: " + e.getMessage(), e );
                }
                target = getDirname( target );
            }
        }

        // now create the subdirs in target, if it's a parent of targetName

        String res =
            partCOSubdir.length() >= targetName.length() ? "" : targetName.substring( partCOSubdir.length() ) + '/';

        ArrayList<File> createdDirs = new ArrayList<File>();
        File deepDir = new File( checkoutDirectory, res );

        boolean added = false;
        try
        {
            mkdirsThrow( deepDir, createdDirs );
            if ( createdDirs.size() != 0 )
            {
                File topNewDir = createdDirs.get( 0 );
                String relTopNewDir =
                    topNewDir.getPath().substring( checkoutDirectory.getPath().length() + 1 ).replace( '\\', '/' );

                addFiles( scmProvider, scmRepository, checkoutDirectory, relTopNewDir );
                added = true;
            }
        }
        catch ( ScmException e )
        {
            fireTransferError( resource, e, TransferEvent.REQUEST_PUT );

            throw new TransferFailedException( "Failed to add directory " + createdDirs.get( 0 ) + " to working copy",
                                               e );
        }
        finally
        {
            if ( !added && createdDirs.size() != 0 )
            {
                FileUtils.deleteDirectory( createdDirs.get( 0 ) );
            }
        }

        return res;
    }