2 * Copyright (c) 2018. Developed by Hedgecode.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package org.hedgecode.chess.uci;
19 import java.io.BufferedWriter;
20 import java.io.IOException;
23 * External UCI Engine.
25 * @author Dmitry Samoshin aka gotty
27 public class ExternalEngine implements Engine {
29 private static final String COMMAND_FORMAT = "%s %s";
30 private static final String CRLF = System.getProperty("line.separator");
32 private BufferedWriter engineWriter;
34 ExternalEngine(BufferedWriter writer) {
35 engineWriter = writer;
38 private void write(String command) {
40 engineWriter.write(command);
41 engineWriter.write(CRLF);
43 } catch (IOException ignored) {
47 private String format(String name, String params) {
49 COMMAND_FORMAT, name, params
61 public void debug(DebugMode mode) {
64 UCIConstants.DEBUG, mode.value()
70 public void isReady() {
79 UCIConstants.GO // todo: + params
91 public void ponderhit() {
93 UCIConstants.PONDER_HIT