import java.io.*; import java.util.*; boolean result = true; FileWriter writer = null; try { File file = new File( basedir, "target/fileItem-fileMode-1.0-SNAPSHOT-src.dir/App.java" ); writer = new FileWriter( file ); writer.write( "This is a test." ); if ( System.getProperty( "os.name" ).toLowerCase( Locale.ENGLISH ).indexOf( "windows" ) >= 0 ) { System.out.println( "Detected Windows - skipping" ); return true; } System.out.println( "File: " + file + " should not be writable." ); result = false; } catch( IOException e ) { result = true; } return result;