[LIB-9] Separate chesshog-uci module
[chesshog.git] / src / main / java / org / hedgecode / chess / uci / ExternalEngineRunner.java
diff --git a/src/main/java/org/hedgecode/chess/uci/ExternalEngineRunner.java b/src/main/java/org/hedgecode/chess/uci/ExternalEngineRunner.java
deleted file mode 100644 (file)
index cb84f03..0000000
+++ /dev/null
@@ -1,104 +0,0 @@
-/*
- * Copyright (c) 2018. Developed by Hedgecode.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.hedgecode.chess.uci;
-
-import java.io.IOException;
-import java.util.List;
-
-import org.hedgecode.chess.uci.annotation.CommandDirection;
-import org.hedgecode.chess.uci.command.CommandParams;
-
-/**
- * External UCI Engine Runner.
- *
- * @author Dmitry Samoshin aka gotty
- */
-public final class ExternalEngineRunner implements EngineRunner {
-
-    private Process process;
-    private ProcessBuilder processBuilder;
-
-    private ExternalEngine engine;
-
-    private boolean isInit = false;
-
-    ExternalEngineRunner(String extEngineCommand) {
-        processBuilder = new ProcessBuilder(extEngineCommand);
-    }
-
-    ExternalEngineRunner(List<String> extEngineCommands) {
-        processBuilder = new ProcessBuilder(extEngineCommands);
-    }
-
-    @Override
-    public Engine init() throws EngineException {
-        if (isInit)
-            throw new EngineException("uci.engine.already.init");
-
-        try {
-            process = processBuilder.start();
-        } catch (IOException e) {
-            throw new EngineException("uci.engine.external.start", e.getLocalizedMessage());
-        }
-
-        engine = new ExternalEngine(
-                process.getInputStream(),
-                process.getOutputStream()
-        );
-        isInit = true;
-
-        return engine;
-    }
-
-    @Override
-    public void run(final CommandExecutor commandExecutor) throws EngineException {
-        if (!isInit)
-            throw new EngineException("uci.engine.not.init");
-
-        Thread engineThread = new Thread(
-                new Runnable() {
-                    public void run() {
-                        Transmitter<String> engineTransmitter = engine.transmitter();
-                        try {
-                            while (engineTransmitter.hasCommand()) {
-                                String command = engineTransmitter.transmitCommand();
-                                if (command.isEmpty()) continue;
-                                CommandParams commandParams = new CommandParams(command);
-                                commandExecutor.exec(
-                                        commandParams.getName(),
-                                        CommandDirection.FROM_ENGINE,
-                                        commandParams.getParams()
-                                );
-                            }
-                        } finally {
-                            commandExecutor.exec(
-                                    UCIConstants.TERMINATE,
-                                    CommandDirection.FROM_ENGINE,
-                                    null
-                            );
-                            engineTransmitter.stop();
-                            engineTransmitter.close();
-                            if (process.isAlive()) process.destroy();
-                            isInit = false;
-                        }
-                    }
-                }
-        );
-        engineThread.start();
-    }
-
-}