diff -r 7e08730da258 -r 4a1864c3e867 java/sql-dk/src/info/globalcode/sql/dk/batch/BatchEncoder.java
--- a/java/sql-dk/src/info/globalcode/sql/dk/batch/BatchEncoder.java	Mon Mar 04 17:06:42 2019 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,83 +0,0 @@
-/**
- * SQL-DK
- * Copyright © 2014 František Kučera (frantovo.cz)
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-package info.globalcode.sql.dk.batch;
-
-import info.globalcode.sql.dk.Parameter;
-import info.globalcode.sql.dk.SQLCommand;
-import info.globalcode.sql.dk.SQLCommandNamed;
-import java.io.DataOutputStream;
-import java.io.IOException;
-import java.io.OutputStream;
-import static info.globalcode.sql.dk.batch.BatchConstants.*;
-import java.io.ByteArrayOutputStream;
-import java.sql.SQLException;
-import java.util.List;
-
-/**
- *
- * @author Ing. František Kučera (frantovo.cz)
- */
-public class BatchEncoder {
-
-	public int encode(SQLCommand sqlCommand, OutputStream out) throws BatchException {
-		try {
-			ByteArrayOutputStream bufferAOS = new ByteArrayOutputStream();
-			DataOutputStream buffer = new DataOutputStream(bufferAOS);
-
-			buffer.write(BATCH_HEADER);
-
-			if (sqlCommand instanceof SQLCommandNamed) {
-				sqlCommand = ((SQLCommandNamed) sqlCommand).getSQLCommandNumbered();
-			}
-
-			writeNextString(sqlCommand.getQuery(), buffer);
-
-			List<? extends Parameter> parameters = sqlCommand.getParameters();
-
-			buffer.writeInt(parameters.size());
-
-			for (Parameter p : parameters) {
-				buffer.writeInt(p.getType().getCode());
-				writeNextString((String) p.getValue(), buffer); // parameters are encoded before any preprocessing
-			}
-
-			buffer.flush();
-			bufferAOS.writeTo(out);
-			out.flush();
-			return bufferAOS.size();
-		} catch (IOException e) {
-			throw new BatchException("Unable to write SQL command: " + sqlCommand, e);
-		} catch (SQLException e) {
-			throw new BatchException("Unable to converd named SQL command to numbered: " + sqlCommand, e);
-		}
-	}
-
-	private void writeNextString(String s, DataOutputStream out) throws IOException {
-		byte[] bytes = toBytes(s);
-		out.writeInt(bytes.length);
-		out.write(bytes);
-	}
-
-	private static byte[] toBytes(String s) {
-		if (s == null) {
-			return new byte[]{};
-		} else {
-			return s.getBytes(CHARSET);
-		}
-	}
-}