Refactored scripts to execute much faster than they have been

src/utilities/Scripts.java

@@ -0,0 +1,100 @@
+/*******************************************************************************
+ * Copyright (c) 2015 /// Project SWG /// www.projectswg.com
+ *
+ * ProjectSWG is the first NGE emulator for Star Wars Galaxies founded on
+ * July 7th, 2011 after SOE announced the official shutdown of Star Wars Galaxies.
+ * Our goal is to create an emulator which will provide a server for players to
+ * continue playing a game similar to the one they used to play. We are basing
+ * it on the final publish of the game prior to end-game events.
+ *
+ * This file is part of Holocore.
+ *
+ * --------------------------------------------------------------------------------
+ *
+ * Holocore is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * Holocore 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Holocore.  If not, see <http://www.gnu.org/licenses/>
+ ******************************************************************************/
+
+package utilities;
+
+import org.python.core.Py;
+import org.python.core.PyObject;
+import org.python.core.PySystemState;
+import org.python.util.PythonInterpreter;
+import resources.server_info.Config;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.*;
+import java.nio.file.attribute.BasicFileAttributes;
+
+public class Scripts {
+	private static Scripts instance = new Scripts();
+	private static final String SCRIPTS = "scripts/";
+	private final PythonInterpreter interpreter;
+
+	private Scripts() {
+		interpreter = new PythonInterpreter();
+	}
+
+	public static PyObject execute(String script, String method, Object ... args) {
+		if (!exists(script))
+			return null;
+
+		instance.interpreter.execfile(script);
+		return instance.interpreter.get(method).__call__(Py.javas2pys(args));
+	}
+
+	public static boolean exists(String script) {
+		return (new File(SCRIPTS + script).exists());
+	}
+
+	public static void initialize(Config config) {
+		PySystemState systemState = instance.interpreter.getSystemState();
+		systemState.setCurrentWorkingDir(systemState.getCurrentWorkingDir() + "\\scripts");
+		Scripts.initScripts(systemState);
+	}
+
+	private static void initScripts(PySystemState systemState) {
+		File scripts = new File(systemState.getCurrentWorkingDir());
+		final int length = scripts.getAbsolutePath().length();
+		final PythonInterpreter interpreter = instance.interpreter;
+
+		try {
+			Files.walkFileTree(scripts.toPath(), new FileVisitor<Path>() {
+				public FileVisitResult preVisitDirectory(Path path, BasicFileAttributes basicFileAttributes) throws IOException {
+					return FileVisitResult.CONTINUE;
+				}
+
+				public FileVisitResult visitFile(Path path, BasicFileAttributes basicFileAttributes) throws IOException {
+					String name = path.toFile().getAbsolutePath();
+					if (name.endsWith(".py"))
+						interpreter.execfile(name.substring(length + 1));
+					return FileVisitResult.CONTINUE;
+				}
+				public FileVisitResult visitFileFailed(Path path, IOException e) throws IOException {
+					return FileVisitResult.CONTINUE;
+				}
+				public FileVisitResult postVisitDirectory(Path path, IOException e) throws IOException {
+					return FileVisitResult.CONTINUE;
+				}
+			});
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+	}
+
+	public static void cleanup() {
+		instance.interpreter.cleanup();
+	}
+}