1 /* 2 * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * published by the Free Software Foundation. Oracle designates this 7 * particular file as subject to the "Classpath" exception as provided 8 * by Oracle in the LICENSE file that accompanied this code. 9 * 10 * This code is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * version 2 for more details (a copy is included in the LICENSE file that 14 * accompanied this code). 15 * 16 * You should have received a copy of the GNU General Public License version 17 * 2 along with this work; if not, write to the Free Software Foundation, 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 * 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 21 * or visit www.oracle.com if you need additional information or have any 22 * questions. 23 */ 24 25 package jdk.incubator.jpackage; 26 27 import jdk.incubator.jpackage.internal.JPackageToolProvider; 28 import java.io.PrintWriter; 29 import java.util.Optional; 30 import java.util.spi.ToolProvider; 31 32 /** 33 * A factory class to obtain a {@linkplain ToolProvider tool provider} 34 * for the incubating {@code jpackage} tool. 35 * 36 * It is planned to implement {@code jpackage} tool as a service provider 37 * to {@link ToolProvider} in a future release at which point 38 * {@link ToolProvider#findFirst} can be used to look up jpackage tool. 39 * 40 * @since 14 41 */ 42 43 public class ToolProviderFactory { 44 45 private static ToolProvider provider = new JPackageToolProvider(); 46 47 // Prevent creating an instance of this class 48 private ToolProviderFactory() { 49 } 50 51 /** 52 * Returns an {@link Optional} containing the {@code ToolProvider} 53 * if the given toolname is "jpackage". Returns an empty 54 * {@code Optional} if the given toolname is not "jpackage". 55 * 56 * @param toolname {@code String} name of tool to look for. 57 * @return an {@link Optional} containing the {@code ToolPovider} 58 * 59 * @since 14 60 */ 61 public static Optional<ToolProvider> findFirst(String toolName) { 62 if ("jpackage".equals(toolName)) { 63 return Optional.of(provider); 64 } else { 65 return Optional.empty(); 66 } 67 } 68 69 }