[LIB-9] Separate chesshog-uci module

[chesshog.git] / chesshog-uci / src / main / java / org / hedgecode / chess / uci / ConsoleAcceptorRunner.java

diff --git a/chesshog-uci/src/main/java/org/hedgecode/chess/uci/ConsoleAcceptorRunner.java b/chesshog-uci/src/main/java/org/hedgecode/chess/uci/ConsoleAcceptorRunner.java
new file mode 100644 (file)
index 0000000..173b634
--- /dev/null
+++ b/chesshog-uci/src/main/java/org/hedgecode/chess/uci/ConsoleAcceptorRunner.java
@@ -0,0 +1,91 @@
+/*
+ * 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.InputStream;
+import java.io.OutputStream;
+
+import org.hedgecode.chess.uci.annotation.CommandDirection;
+import org.hedgecode.chess.uci.command.CommandParams;
+
+/**
+ *
+ *
+ * @author Dmitry Samoshin aka gotty
+ */
+public final class ConsoleAcceptorRunner implements AcceptorRunner {
+
+    private ConsoleAcceptor acceptor;
+
+    private boolean isRunning;
+
+    ConsoleAcceptorRunner() {
+        acceptor = new ConsoleAcceptor(
+                System.in, System.out
+        );
+        isRunning = false;
+    }
+
+    ConsoleAcceptorRunner(InputStream input, OutputStream output) {
+        acceptor = new ConsoleAcceptor(
+                input, output
+        );
+        isRunning = false;
+    }
+
+    @Override
+    public Acceptor init() throws AcceptorException {
+        if (isRunning)
+            throw new AcceptorException("uci.acceptor.already.run");
+        return acceptor;
+    }
+
+    public void run(final CommandExecutor commandExecutor) throws AcceptorException {
+        if (isRunning)
+            throw new AcceptorException("uci.acceptor.already.run");
+
+        Thread engineThread = new Thread(
+                new Runnable() {
+                    public void run() {
+                        Transmitter<String> acceptorTransmitter = acceptor.transmitter();
+                        try {
+                            while (acceptorTransmitter.isActive()) {
+                                if (acceptorTransmitter.hasCommand()) {
+                                    String command = acceptorTransmitter.transmitCommand();
+                                    if (command.isEmpty()) continue;
+                                    CommandParams commandParams = new CommandParams(command);
+                                    commandExecutor.exec(
+                                            commandParams.getName(),
+                                            CommandDirection.TO_ENGINE,
+                                            commandParams.getParams()
+                                    );
+                                    if (UCIConstants.QUIT.equals(commandParams.getName()))
+                                        acceptorTransmitter.stop();
+                                }
+                            }
+                        } finally {
+                            acceptorTransmitter.close();
+                            isRunning = false;
+                        }
+                    }
+                }
+        );
+        engineThread.start();
+        isRunning = true;
+    }
+
+}