repo/luan: core/src/luan/modules/IoLuan.java comparison

improve file delete()

author	Franklin Schmidt <fschmidt@gmail.com>
date	Fri, 15 Jul 2016 15:56:19 -0600
parents	85f5444fb7d4
children	ea5f3a254b76

comparison

equal deleted inserted replaced

-:f172f1dff4b6
+:558740169005
 			File tmp = File.createTempFile(prefix,suffix,file);
 			tmp.deleteOnExit();
 			return new LuanFile(luan,tmp).table();
 		}
+		public void delete() throws LuanException {
+			if( file.exists() )
+				delete(file);
+		}
+		private static void delete(File file) throws LuanException {
+			File[] children = file.listFiles();
+			if( children != null ) {
+				for( File child : children ) {
+					delete(child);
+				}
+			}
+			if( !file.delete() )
+				throw new LuanException("couldn't delete file "+file);
+		}
 		@Override public LuanTable table() {
 			LuanTable tbl = super.table();
 			try {
 				tbl.rawPut( "name", new LuanJavaFunction(
 					File.class.getMethod( "getName" ), file
 				) );
 				tbl.rawPut( "is_file", new LuanJavaFunction(
 					File.class.getMethod( "isFile" ), file
 				) );
 				tbl.rawPut( "delete", new LuanJavaFunction(
-					File.class.getMethod( "delete" ), file
+					LuanFile.class.getMethod( "delete" ), this
 				) );
 				tbl.rawPut( "mkdir", new LuanJavaFunction(
 					File.class.getMethod( "mkdir" ), file
 				) );
 				tbl.rawPut( "mkdirs", new LuanJavaFunction(

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