Java tutorial
/* * Copyright 2010 Pablo Arrighi, Alex Concha, Miguel Lezama for version 1. * Copyright 2013 Pablo Arrighi, Miguel Lezama, Kevin Mazet for version 2. * * This file is part of GOOL. * * GOOL 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, version 3. * * GOOL 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 version 3 for more details. * * You should have received a copy of the GNU General Public License along with GOOL, * in the file COPYING.txt. If not, see <http://www.gnu.org/licenses/>. */ package gool.executor; import gool.ast.core.ClassDef; import gool.executor.common.SpecificCompiler; import gool.generator.common.Platform; import java.io.File; import java.io.FileNotFoundException; import java.util.ArrayList; import java.util.Collection; import java.util.List; import java.util.Map; import java.util.Map.Entry; import javax.tools.JavaFileObject; import javax.tools.ToolProvider; import logger.Log; import org.apache.commons.lang.StringUtils; import org.apache.log4j.Logger; public final class ExecutorHelper { public static Iterable<? extends JavaFileObject> getJavaFileObjects(Collection<? extends File> inputFiles) { return ToolProvider.getSystemJavaCompiler().getStandardFileManager(null, null, null) .getJavaFileObjectsFromFiles(inputFiles); } public static ClassDef getMainClass(Collection<ClassDef> classDefs) { for (ClassDef classDef : classDefs) { if (classDef.isMainClass()) { return classDef; } } return null; } public static String run(Platform platform, File file) throws FileNotFoundException { return platform.getCompiler().run(file); } public static String compileAndRun(Platform platform, Map<Platform, List<File>> files) throws FileNotFoundException { StringBuilder result = new StringBuilder(); List<File> compiledFiles = ExecutorHelper.compile(files); Log.i(compiledFiles.toString()); result.append(platform.getCompiler().run(compiledFiles.get(0))); return result.toString(); } public static File getClassDefFile(ClassDef classDef) { return new File(classDef.getPlatform().getCodePrinter().getOutputDir().getAbsolutePath(), StringUtils.replace(classDef.getPackageName(), ".", File.separator)); } public static List<File> compile(Map<Platform, List<File>> files) throws FileNotFoundException { List<File> result = new ArrayList<File>(); for (Entry<Platform, List<File>> item : files.entrySet()) { SpecificCompiler compiler = item.getKey().getCompiler(); File outputFile = compiler.compileToExecutable(item.getValue(), null, null, null); result.add(outputFile); } return result; } }