public void validate ( ) throws PackagingException { if ( control == null || ! control . isDirectory ( ) ) { throw new PackagingException ( "The 'control' attribute doesn't point to a directory. " + control ) ; } if ( changesIn != null ) { if ( changesIn . exists ( ) && ( ! changesIn . isFile ( ) || ! changesIn . canRead ( ) ) ) { throw new PackagingException ( "The 'changesIn' setting needs to point to a readable file. " + changesIn + " was not found/readable." ) ; } if ( changesOut != null && ! isWritableFile ( changesOut ) ) { throw new PackagingException ( "Cannot write the output for 'changesOut' to " + changesOut ) ; } if ( changesSave != null && ! isWritableFile ( changesSave ) ) { throw new PackagingException ( "Cannot write the output for 'changesSave' to " + changesSave ) ; } } else { if ( changesOut != null || changesSave != null ) { throw new PackagingException ( "The 'changesOut' or 'changesSave' settings may only be used when there is a 'changesIn' specified." ) ; } } if ( Compression . toEnum ( compression ) == null ) { throw new PackagingException ( "The compression method '" + compression + "' is not supported (expected 'none', 'gzip', 'bzip2' or 'xz')" ) ; } if ( deb == null ) { throw new PackagingException ( "You need to specify where the deb file is supposed to be created." ) ; } getDigestCode ( digest ) ; }
Validates the input parameters .