public boolean inputFileTreeChanged()

in src/main/java/org/apache/maven/shared/incremental/IncrementalBuildHelper.java [174:207]

29 lines of code
5 McCabe index (conditional complexity)


    public boolean inputFileTreeChanged( IncrementalBuildHelperRequest incrementalBuildHelperRequest )
        throws MojoExecutionException
    {
        File mojoConfigFile = new File( getMojoStatusDirectory(), INPUT_FILES_LST_FILENAME );

        String[] oldInputFiles = new String[0];

        if ( mojoConfigFile.exists() )
        {
            try
            {
                oldInputFiles = FileUtils.fileReadArray( mojoConfigFile );
            }
            catch ( IOException e )
            {
                throw new MojoExecutionException( "Error reading old mojo status " + mojoConfigFile, e );
            }
        }
        String[] inputFileNames = incrementalBuildHelperRequest.getInputFiles()
                .stream().map( File::getAbsolutePath ).toArray( String[]::new );

        DirectoryScanResult dsr = DirectoryScanner.diffFiles( oldInputFiles, inputFileNames );

        try
        {
            FileUtils.fileWriteArray( mojoConfigFile, inputFileNames );
        }
        catch ( IOException e )
        {
            throw new MojoExecutionException( "Error while storing the mojo status", e );
        }

        return ( dsr.getFilesAdded().length > 0 || dsr.getFilesRemoved().length > 0 );
    }