package org.litesoft.textfiledirectory;

import org.litesoft.core.typeutils.*;

public abstract class AbstractTextFileDirectory implements TextFileDirectory
{
    protected String[] preprocessExtensions( String[] pExtensions )
    {
        String[] zExtensions = Objects.deNull( pExtensions, Strings.EMPTY_ARRAY );
        for ( int i = 0; i < zExtensions.length; i++ )
        {
            zExtensions[i] = "." + Strings.assertNotNullNotEmpty( "Extension[" + i + "]", zExtensions[i] );
        }
        return zExtensions;
    }

    protected void assertExists( boolean pExists, String pFileName )
    {
        if ( !pExists )
        {
            throw new FileDoesNotExists( "No File or Not a File: " + getDirectoryPath() + "/" + pFileName );
        }
    }

    protected void assertNotExists( boolean pExists, String pFileName )
    {
        if ( pExists )
        {
            throw new FileAlreadExists( "Already an existing File: " + getDirectoryPath() + "/" + pFileName );
        }
    }
}